"Fix lib.types.derivations.shell's check" (#7)

"`lib.types.derivations.shell` uses `lib.packages.isDerivation` but didn't passed an argument, making code using it fail with `error: value is a function while a Boolean was expected`"

Co-authored-by: Austreelis <dev@austreelis.net>
Reviewed-on: auxolotl/labs#7
Reviewed-by: isabel roses <isabel@isabelroses.com>
Reviewed-by: Jake Hamilton <jake.hamilton@hey.com>
Co-authored-by: Austreelis <austreelis@noreply.git.auxolotl.org>
Co-committed-by: Austreelis <austreelis@noreply.git.auxolotl.org>

format.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -i bash -I "nixpkgs=https://github.com/nixos/nixpkgs/archive/nixos-24.05.tar.gz" -p nixfmt-rfc-style
+#!nix-shell -i bash -I "nixpkgs=https://github.com/nixos/nixpkgs/archive/nixos-unstable.tar.gz" -p nixfmt-rfc-style
 
 files=$(find . -name "*.nix" -type f)
 

foundation/flake.lock

@@ -3,10 +3,10 @@
     "lib": {
       "locked": {
         "dir": "lib",
-        "dirtyRev": "9850da8aa9dc9be22e237c9b424a18e801e53ecb-dirty",
-        "dirtyShortRev": "9850da8-dirty",
-        "lastModified": 1718529861,
-        "narHash": "sha256-tv/0C7ixH+9Ij+r+5nua48OlXXXnbdEsnenxX4eG/Sk=",
+        "dirtyRev": "2be3111b2c0911f40b47fe0a1fb22b5f5188cf59-dirty",
+        "dirtyShortRev": "2be3111-dirty",
+        "lastModified": 1719251485,
+        "narHash": "sha256-63NvfFVeTDITfNu60rmCUlaZtAeZUnvrIaOLSk9ScC8=",
         "type": "git",
         "url": "file:../?dir=lib"
       },

foundation/flake.nix

@@ -14,10 +14,7 @@
 
       modules = import ./src;
 
-      forEachSystem = lib.attrs.generate [
-        "i686-linux"
-        "x86_64-linux"
-      ];
+      forEachSystem = lib.attrs.generate [ "i686-linux" ];
     in
     {
       extras =

foundation/src/stages/stage0/kaem/default.nix

@@ -34,10 +34,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/mescc-tools-extra/default.nix

@@ -42,10 +42,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/mescc-tools/default.nix

@@ -125,10 +125,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase00.nix

@@ -41,10 +41,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase01.nix

@@ -33,10 +33,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase02.nix

@@ -34,10 +34,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase03.nix

@@ -35,10 +35,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase04.nix

@@ -35,10 +35,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase05.nix

@@ -36,10 +36,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase06.nix

@@ -37,10 +37,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase07.nix

@@ -38,10 +38,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase08.nix

@@ -39,10 +39,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase09.nix

@@ -40,10 +40,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase10.nix

@@ -41,10 +41,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase11.nix

@@ -40,10 +40,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage0/phases/phase12.nix

@@ -40,10 +40,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage1/bash/boot.nix

@@ -31,10 +31,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage1/bash/default.nix

@@ -34,10 +34,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
 
       mainProgram = lib.options.create {
@@ -109,8 +106,7 @@ in
             export CC="tcc -B ${stage1.tinycc.musl.libs.package}/lib"
             export AR="tcc -ar"
             export LD=tcc
-            chmod +x ./configure
-            ./configure \
+            bash ./configure \
               --prefix=$out \
               --build=${platform.build} \
               --host=${platform.host} \

foundation/src/stages/stage1/binutils/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -133,8 +130,7 @@ in
             export AR="tcc -ar"
             export lt_cv_sys_max_cmd_len=32768
             export CFLAGS="-D__LITTLE_ENDIAN__=1"
-            chmod +x ./configure
-            ./configure ${builtins.concatStringsSep " " configureFlags}
+            bash ./configure ${builtins.concatStringsSep " " configureFlags}
 
             # Build
             make -j $NIX_BUILD_CORES all-libiberty all-gas all-bfd all-libctf all-zlib all-gprof

foundation/src/stages/stage1/bison/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -89,8 +86,7 @@ in
           cd bison-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage1/bzip2/default.nix

@@ -33,10 +33,7 @@ in
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
         # TODO: Support more platforms.
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage1/coreutils/default.nix

@@ -34,10 +34,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -101,8 +98,7 @@ in
             # Configure
             export CC="tcc -B ${stage1.tinycc.musl.libs.package}/lib"
             export LD=tcc
-            chmod +x ./configure
-            ./configure ${builtins.concatStringsSep " " configureFlags}
+            bash ./configure ${builtins.concatStringsSep " " configureFlags}
 
             # Build
             make -j $NIX_BUILD_CORES AR="tcc -ar" MAKEINFO="true"

foundation/src/stages/stage1/diffutils/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -90,8 +87,7 @@ in
           # Configure
           export CC="tcc -B ${stage1.tinycc.musl.libs.package}/lib"
           export LD=tcc
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host}

foundation/src/stages/stage1/findutils/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -95,8 +92,7 @@ in
           export CC="tcc -B ${stage1.tinycc.musl.libs.package}/lib"
           export AR="tcc -ar"
           export LD=tcc
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host}

foundation/src/stages/stage1/gawk/boot.nix

@@ -68,8 +68,8 @@ in
             export CC="tcc -B ${stage1.tinycc.mes.libs.package}/lib"
             export ac_cv_func_getpgrp_void=yes
             export ac_cv_func_tzset=yes
-            chmod +x ./configure
-            ./configure \
+            chmod 0755 missing
+            bash ./configure \
               --build=${platform.build} \
               --host=${platform.host} \
               --disable-nls \

foundation/src/stages/stage1/gawk/default.nix

@@ -34,10 +34,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
 
       mainProgram = lib.options.create {
@@ -96,8 +93,7 @@ in
           export CC="tcc -B ${stage1.tinycc.musl.libs.package}/lib"
           export AR="tcc -ar"
           export LD=tcc
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host}

foundation/src/stages/stage1/gcc/default.nix

@@ -38,10 +38,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -200,8 +197,7 @@ in
           export CFLAGS_FOR_TARGET="-Wl,-dynamic-linker -Wl,${stage1.musl.package}/lib/libc.so"
           export LIBRARY_PATH="${stage1.musl.package}/lib"
 
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage1/gcc/v4.6.cxx.nix

@@ -162,8 +162,7 @@ in
             export CPLUS_INCLUDE_PATH="$C_INCLUDE_PATH"
             export LIBRARY_PATH="${stage1.musl.package}/lib"
 
-            chmod +x ./configure
-            ./configure \
+            bash ./configure \
               --prefix=$out \
               --build=${platform.build} \
               --host=${platform.host} \

foundation/src/stages/stage1/gcc/v4.6.nix

@@ -163,8 +163,7 @@ in
             export ac_cv_func_memcpy=yes
             export ac_cv_func_strerror=yes
 
-            chmod +x ./configure
-            ./configure \
+            bash ./configure \
               --prefix=$out \
               --build=${platform.build} \
               --host=${platform.host} \

foundation/src/stages/stage1/gcc/v8.nix

@@ -167,8 +167,7 @@ in
           export CPLUS_INCLUDE_PATH="$C_INCLUDE_PATH"
           export LIBRARY_PATH="${stage1.musl.package}/lib"
 
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage1/gnugrep/default.nix

@@ -31,10 +31,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
 
       mainProgram = lib.options.create {

foundation/src/stages/stage1/gnum4/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -88,8 +85,7 @@ in
           cd m4-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage1/gnumake/default.nix

@@ -34,10 +34,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -104,8 +101,7 @@ in
             # Configure
             export CC="tcc -B ${stage1.tinycc.musl.libs.package}/lib"
             export LD=tcc
-            chmod +x ./configure
-            ./configure \
+            bash ./configure \
               --prefix=$out \
               --build=${platform.build} \
               --host=${platform.host}

foundation/src/stages/stage1/gnupatch/default.nix

@@ -31,10 +31,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage1/gnused/default.nix

@@ -34,10 +34,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
 
       mainProgram = lib.options.create {

foundation/src/stages/stage1/gnutar/boot.nix

@@ -34,44 +34,44 @@ in
         sha256 = "02m6gajm647n8l9a5bnld6fnbgdpyi4i3i83p7xcwv0kif47xhy6";
       };
 
-      package = builders.bash.boot.build {
-        name = "gnutar-boot-${cfg.version}";
+      package =
+        let
+        in
+        builders.bash.boot.build {
+          name = "gnutar-boot-${cfg.version}";
 
-        meta = stage1.gnutar.meta;
+          meta = stage1.gnutar.meta;
 
-        deps.build.host = [
-          stage1.tinycc.mes.compiler.package
-          stage1.gnumake.boot.package
-          stage1.gnused.boot.package
-          stage1.gnugrep.package
-        ];
+          deps.build.host = [
+            stage1.tinycc.mes.compiler.package
+            stage1.gnumake.boot.package
+            stage1.gnused.boot.package
+            stage1.gnugrep.package
+          ];
 
-        script = ''
-          # Unpack
-          ungz --file ${cfg.src} --output tar.tar
-          untar --file tar.tar
-          rm tar.tar
-          cd tar-${cfg.version}
+          script = ''
+            # Unpack
+            ungz --file ${cfg.src} --output tar.tar
+            untar --file tar.tar
+            rm tar.tar
+            cd tar-${cfg.version}
 
-          # Fix source permissions
-          chmod -R +r .
-          chmod +x ./configure
+            # Configure
+            export CC="tcc -B ${stage1.tinycc.mes.libs.package}/lib"
+            chmod 0755 missing
+            bash ./configure \
+              --build=${platform.build} \
+              --host=${platform.host} \
+              --disable-nls \
+              --prefix=$out
 
-          # Configure
-          export CC="tcc -B ${stage1.tinycc.mes.libs.package}/lib"
-          ./configure \
-            --build=${platform.build} \
-            --host=${platform.host} \
-            --disable-nls \
-            --prefix=$out
+            # Build
+            make AR="tcc -ar"
 
-          # Build
-          make AR="tcc -ar"
-
-          # Install
-          make install
-        '';
-      };
+            # Install
+            make install
+          '';
+        };
     };
   };
 }

foundation/src/stages/stage1/gnutar/default.nix

@@ -37,10 +37,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
 
       mainProgram = lib.options.create {
@@ -98,8 +95,7 @@ in
           cd tar-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage1/gnutar/musl.nix

@@ -59,8 +59,8 @@ in
           export ac_cv_sizeof_unsigned_long=4
           export ac_cv_sizeof_long_long=8
           export ac_cv_header_netdb_h=no
-          chmod +x ./configure
-          ./configure \
+          chmod 0755 missing
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage1/gzip/default.nix

@@ -31,10 +31,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -63,37 +60,39 @@ in
         sha256 = "0ryr5b00qz3xcdcv03qwjdfji8pasp0007ay3ppmk71wl8c1i90w";
       };
 
-      package = builders.bash.boot.build {
-        name = "gzip-${cfg.version}";
-        meta = cfg.meta;
+      package =
+        let
+        in
+        builders.bash.boot.build {
+          name = "gzip-${cfg.version}";
+          meta = cfg.meta;
 
-        deps.build.host = [
-          stage1.tinycc.mes.compiler.package
-          stage1.gnumake.boot.package
-          stage1.gnused.boot.package
-          stage1.gnugrep.package
-        ];
+          deps.build.host = [
+            stage1.tinycc.mes.compiler.package
+            stage1.gnumake.boot.package
+            stage1.gnused.boot.package
+            stage1.gnugrep.package
+          ];
 
-        script = ''
-          # Unpack
-          ungz --file ${cfg.src} --output gzip.tar
-          untar --file gzip.tar
-          rm gzip.tar
-          cd gzip-${cfg.version}
+          script = ''
+            # Unpack
+            ungz --file ${cfg.src} --output gzip.tar
+            untar --file gzip.tar
+            rm gzip.tar
+            cd gzip-${cfg.version}
 
-          # Configure
-          export CC="tcc -B ${stage1.tinycc.mes.libs.package}/lib -Dstrlwr=unused"
-          chmod +x ./configure
-          ./configure --prefix=$out
+            # Configure
+            export CC="tcc -B ${stage1.tinycc.mes.libs.package}/lib -Dstrlwr=unused"
+            bash ./configure --prefix=$out
 
-          # Build
-          make
+            # Build
+            make
 
-          # Install
-          mkdir $out
-          make install
-        '';
-      };
+            # Install
+            mkdir $out
+            make install
+          '';
+        };
     };
   };
 }

foundation/src/stages/stage1/heirloom/default.nix

@@ -45,10 +45,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage1/heirloom/devtools.nix

@@ -53,10 +53,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
   };

foundation/src/stages/stage1/linux-headers/default.nix

@@ -26,10 +26,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage1/ln-boot/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage1/mes/compiler.nix

@@ -33,10 +33,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage1/mes/libc.nix

@@ -31,10 +31,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage1/mes/libs.nix

@@ -33,10 +33,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage1/musl/boot.nix

@@ -118,8 +118,7 @@ in
               src/misc/wordexp.c
 
             # Configure
-            chmod +x configure
-            ./configure \
+            bash ./configure \
               --prefix=$out \
               --build=${platform.build} \
               --host=${platform.host} \
@@ -132,6 +131,7 @@ in
             # Install
             make install
             cp ${stage1.tinycc.mes.libs.package}/lib/libtcc1.a $out/lib
+
           '';
         };
     };

foundation/src/stages/stage1/musl/default.nix

@@ -35,10 +35,7 @@ in
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
         # TODO: Support more platforms.
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -98,8 +95,7 @@ in
             src/misc/wordexp.c
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage1/nyacc/default.nix

@@ -34,10 +34,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage1/python/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -107,8 +104,7 @@ in
             export C_INCLUDE_PATH="${stage1.zlib.package}/include"
             export LIBRARY_PATH="${stage1.zlib.package}/lib"
             export LD_LIBRARY_PATH="$LIBRARY_PATH"
-            chmod +x ./configure
-            ./configure \
+            bash ./configure \
               --prefix=$out \
               --build=${platform.build} \
               --host=${platform.host}

foundation/src/stages/stage1/tinycc/boot.nix

@@ -38,7 +38,6 @@ in
         default.value = [
           "x86_64-linux"
           "i686-linux"
-          "x86_64-linux"
         ];
       };
     };

foundation/src/stages/stage1/tinycc/default.nix

@@ -37,10 +37,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage1/xz/default.nix

@@ -35,10 +35,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -91,8 +88,7 @@ in
           export CC="tcc -B ${stage1.tinycc.musl.libs.package}/lib"
           export AR="tcc -ar"
           export LD=tcc
-          chmod +x configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage1/zlib/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -86,8 +83,7 @@ in
 
           # Configure
           export CC=musl-gcc
-          chmod +x configure
-          ./configure --prefix=$out
+          bash ./configure --prefix=$out
 
           # Build
           make -j $NIX_BUILD_CORES

foundation/src/stages/stage2/bash/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
 
       mainProgram = lib.options.create {
@@ -97,8 +94,7 @@ in
           cd bash-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage2/binutils/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -123,8 +120,7 @@ in
             ${lib.strings.concatMapSep "\n" (file: "patch -Np1 -i ${file}") patches}
 
             # Configure
-            chmod +x ./configure
-            ./configure ${builtins.concatStringsSep " " configureFlags}
+            bash ./configure ${builtins.concatStringsSep " " configureFlags}
 
             # Build
             make -j $NIX_BUILD_CORES

foundation/src/stages/stage2/busybox/default.nix

@@ -33,10 +33,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage2/bzip2/default.nix

@@ -33,10 +33,7 @@ in
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
         # TODO: Support more platforms.
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 

foundation/src/stages/stage2/coreutils/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -102,8 +99,7 @@ in
             cd coreutils-${cfg.version}
 
             # Configure
-            chmod +x ./configure
-            ./configure ${builtins.concatStringsSep " " configureFlags}
+            bash ./configure ${builtins.concatStringsSep " " configureFlags}
 
             # Build
             make -j $NIX_BUILD_CORES

foundation/src/stages/stage2/diffutils/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -89,8 +86,7 @@ in
           cd diffutils-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage2/findutils/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -89,8 +86,7 @@ in
           cd findutils-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage2/gawk/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
 
       mainProgram = lib.options.create {
@@ -95,8 +92,7 @@ in
           cd gawk-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage2/gcc/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -194,8 +191,7 @@ in
           export CFLAGS_FOR_TARGET="-Wl,-dynamic-linker -Wl,${stage1.musl.package}/lib/libc.so"
           export LIBRARY_PATH="${stage1.musl.package}/lib"
 
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage2/glibc/default.nix

@@ -33,10 +33,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -94,8 +91,7 @@ in
           cd build
           # libstdc++.so is built against musl and fails to link
           export CXX=false
-          chmod +x ../configure
-          ../configure \
+          bash ../configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage2/gnugrep/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
 
       mainProgram = lib.options.create {
@@ -94,8 +91,7 @@ in
           cd grep-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage2/gnumake/default.nix

@@ -33,10 +33,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -105,8 +102,7 @@ in
             ${lib.strings.concatMapSep "\n" (file: "patch -Np1 -i ${file}") patches}
 
             # Configure
-            chmod +x ./configure
-            ./configure \
+            bash ./configure \
               --prefix=$out \
               --build=${platform.build} \
               --host=${platform.host} \

foundation/src/stages/stage2/gnupatch/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -90,8 +87,7 @@ in
           cd patch-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage2/gnused/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
 
       mainProgram = lib.options.create {
@@ -96,8 +93,7 @@ in
           cd sed-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage2/gnutar/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
 
       mainProgram = lib.options.create {
@@ -95,8 +92,7 @@ in
           cd tar-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage2/gzip/default.nix

@@ -32,10 +32,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -88,8 +85,7 @@ in
           cd gzip-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/stages/stage2/patchelf/default.nix

@@ -33,10 +33,7 @@ in
       platforms = lib.options.create {
         type = lib.types.list.of lib.types.string;
         description = "Platforms the package supports.";
-        default.value = [
-          "i686-linux"
-          "x86_64-linux"
-        ];
+        default.value = [ "i686-linux" ];
       };
     };
 
@@ -89,8 +86,7 @@ in
           cd patchelf-${cfg.version}
 
           # Configure
-          chmod +x ./configure
-          ./configure \
+          bash ./configure \
             --prefix=$out \
             --build=${platform.build} \
             --host=${platform.host} \

foundation/src/system/default.nix

@@ -3,7 +3,7 @@
   options.aux = {
     system = lib.options.create {
       type = lib.types.string;
-      default.value = "x86_64-linux";
+      default.value = "i686-linux";
       description = ''
         The system to build packages for. This value can be provided as either
         `config.aux.system` or by setting the `system` argument for modules.

lib/src/dag/default.nix

@@ -21,7 +21,7 @@ lib: {
       ## Apply a topological sort to a DAG.
       ##
       ## @type Dag a -> { result :: List a } | { cycle :: List a, loops :: List a }
-      topographic =
+      topological =
         graph:
         let
           getEntriesBefore =
@@ -43,7 +43,7 @@ lib: {
 
           isBefore = a: b: builtins.elem a.name b.after;
 
-          sorted = lib.lists.sort.topographic isBefore entries;
+          sorted = lib.lists.sort.topological isBefore entries;
         in
         if sorted ? result then
           {
@@ -95,7 +95,7 @@ lib: {
       ## Create a new DAG entry.
       ##
       ## @type List String -> List String -> a -> { before :: List String, after :: List String, value :: a }
-      between = before: after: value: { inherit before after value; };
+      between = after: before: value: { inherit before after value; };
 
       ## Create a new DAG entry with no dependencies.
       ##
@@ -105,12 +105,12 @@ lib: {
       ## Create a new DAG entry that occurs before other entries.
       ##
       ## @type List String -> a -> { before :: List String, after :: List String, value :: a }
-      before = before: lib.dag.entry.between before [ ];
+      before = before: lib.dag.entry.between [ ] before;
 
       ## Create a new DAG entry that occurs after other entries.
       ##
       ## @type List String -> a -> { before :: List String, after :: List String, value :: a }
-      after = lib.dag.entry.between [ ];
+      after = after: lib.dag.entry.between after [ ];
     };
 
     entries = {
@@ -121,7 +121,7 @@ lib: {
         tag:
         let
           process =
-            i: before: after: entries:
+            i: after: before: entries:
             let
               name = "${tag}-${builtins.toString i}";
               entry = builtins.head entries;
@@ -130,7 +130,7 @@ lib: {
             if builtins.length entries == 0 then
               { }
             else if builtins.length entries == 1 then
-              { "${name}" = lib.dag.entry.between before after entry; }
+              { "${name}" = lib.dag.entry.between after before entry; }
             else
               { "${name}" = lib.dag.entry.after after entry; } // (process (i + 1) before [ name ] rest);
         in
@@ -144,12 +144,12 @@ lib: {
       ## Create a DAG from a list of entries, prefixed with a tag, that occurs before other entries.
       ##
       ## @type String -> List String -> List a -> Dag a
-      before = tag: before: lib.dag.entries.between tag before [ ];
+      before = tag: before: lib.dag.entries.between tag [ ] before;
 
       ## Create a DAG from a list of entries, prefixed with a tag, that occurs after other entries.
       ##
       ## @type String -> List String -> List a -> Dag a
-      after = tag: lib.dag.entries.between tag [ ];
+      after = tag: after: lib.dag.entries.between tag after [ ];
     };
   };
 }

lib/src/dag/default.test.nix

@@ -119,11 +119,11 @@ in
   };
 
   "sort" = {
-    "topographic" = {
+    "topological" = {
       "handles an empty graph" =
         let
           expected = [ ];
-          actual = lib.dag.sort.topographic { };
+          actual = lib.dag.sort.topological { };
         in
         actual.result == expected;
 
@@ -147,7 +147,7 @@ in
               value = "d";
             }
           ];
-          actual = lib.dag.sort.topographic {
+          actual = lib.dag.sort.topological {
             a = lib.dag.entry.anywhere "a";
             b = lib.dag.entry.between [ "c" ] [ "a" ] "b";
             c = lib.dag.entry.before [ "c" ] "c";

lib/src/lists/default.nix

@@ -31,15 +31,15 @@ lib: {
         in
         builtins.map (x: builtins.elemAt x 1) (builtins.sort isLess prepared);
 
-      ## Perform a topographic sort on a list of items. The predicate function determines whether
+      ## Perform a topological sort on a list of items. The predicate function determines whether
       ## its first argument comes before the second argument.
       ##
       ## @type (a -> a -> Bool) -> List a -> List a
-      topographic =
+      topological =
         predicate: list:
         let
           searched = lib.lists.search.depthFirst true predicate list;
-          results = lib.lists.sort.topographic predicate (searched.visited ++ searched.rest);
+          results = lib.lists.sort.topological predicate (searched.visited ++ searched.rest);
         in
         if builtins.length list < 2 then
           { result = list; }
@@ -224,5 +224,11 @@ lib: {
         filter = result: value: if builtins.elem value result then result else result ++ [ value ];
       in
       builtins.foldl' filter [ ] list;
+
+    ## Flatten a list of lists into a single list.
+    ##
+    ## @type List (List a) -> List a
+    flatten =
+      value: if builtins.isList value then builtins.concatMap lib.lists.flatten value else [ value ];
   };
 }

lib/src/options/default.nix

@@ -43,7 +43,7 @@ lib: {
           resolve =
             definition:
             let
-              properties = builtins.addErrorContext "while evaluating definitions from `${definition.__file__}`:" (
+              properties = builtins.addErrorContext "while evaluating definitions from `${definition.__file__ or "<unknown>"}`:" (
                 lib.modules.apply.properties definition.value
               );
               normalize = value: {

lib/src/types/default.nix

@@ -49,18 +49,18 @@ lib: {
     ##
     ## @type Attrs -> Attrs
     create =
-      settings@{
-        name,
-        description ? name,
-        fallback ? { },
-        check ? lib.fp.const true,
-        merge ? lib.options.merge.default,
-        functor ? lib.types.functor name,
-        mergeType ? lib.types.merge functor,
-        getSubOptions ? lib.fp.const { },
-        getSubModules ? null,
-        withSubModules ? lib.fp.const null,
-        children ? { },
+      settings@{ name
+      , description ? name
+      , fallback ? { }
+      , check ? lib.fp.const true
+      , merge ? lib.options.merge.default
+      , functor ? lib.types.functor name
+      , mergeType ? lib.types.merge functor
+      , getSubOptions ? lib.fp.const { }
+      , getSubModules ? null
+      , withSubModules ? lib.fp.const null
+      , children ? { }
+      ,
       }:
       {
         __type__ = "type";
@@ -108,7 +108,7 @@ lib: {
           identifier = lib.options.getIdentifier location;
           first = builtins.elemAt definitions 0;
 
-          files = builtins.map lib.modules.getFiles definitions;
+          files = lib.modules.getFiles definitions;
           serializedFiles = builtins.concatStringsSep " and " files;
 
           getType =
@@ -118,13 +118,16 @@ lib: {
             else
               builtins.typeOf value;
 
-          commonType = builtins.foldl' (
-            type: definition:
-            if getType definition.value != type then
-              builtins.throw "The option `${identifier}` has conflicting definitions in ${files}"
-            else
-              type
-          ) (getType first.value) definitions;
+          commonType = builtins.foldl'
+            (
+              type: definition:
+                if getType definition.value != type then
+                  builtins.throw "The option `${identifier}` has conflicting definitions in ${serializedFiles}"
+                else
+                  type
+            )
+            (getType first.value)
+            definitions;
 
           mergeStringifiableAttrs = lib.options.merge.one;
 
@@ -132,7 +135,7 @@ lib: {
 
           mergeList =
             if builtins.length definitions > 1 then
-              builtins.throw "The option `${identifier}` has conflicting definitions in ${files}"
+              builtins.throw "The option `${identifier}` has conflicting definitions in ${serializedFiles}"
             else
               (lib.types.list.of lib.types.any).merge;
 
@@ -140,10 +143,12 @@ lib: {
             location: definitions: x:
             let
               resolvedLocation = location ++ [ "<function body>" ];
-              resolvedDefinitions = builtins.map (definition: {
-                __file__ = definition.__file__;
-                value = definition.value x;
-              }) definitions;
+              resolvedDefinitions = builtins.map
+                (definition: {
+                  __file__ = definition.__file__;
+                  value = definition.value x;
+                })
+                definitions;
             in
             lib.types.any.merge resolvedLocation resolvedDefinitions;
 
@@ -200,14 +205,15 @@ lib: {
         ## @type Int -> Int -> Attrs
         between =
           start: end:
-          assert lib.errors.trace (
-            start <= end
-          ) "lib.types.ints.between start must be less than or equal to end";
-          lib.types.withCheck lib.types.int (value: value >= start && value <= end)
-          // {
-            name = "IntBetween";
-            description = "integer between ${description start end}";
-          };
+            assert lib.errors.trace
+              (
+                start <= end
+              ) "lib.types.ints.between start must be less than or equal to end";
+            lib.types.withCheck lib.types.int (value: value >= start && value <= end)
+            // {
+              name = "IntBetween";
+              description = "integer between ${description start end}";
+            };
 
         ## Create a type that allows an integer value between a given range with a specific
         ## number of bits.
@@ -317,14 +323,15 @@ lib: {
         ## @type Int -> Int -> Attrs
         between =
           start: end:
-          assert lib.errors.trace (
-            start <= end
-          ) "lib.types.numbers.between start must be less than or equal to end";
-          lib.types.withCheck lib.types.number (value: value >= start && value <= end)
-          // {
-            name = "NumberBetween";
-            description = "numbereger between ${description start end}";
-          };
+            assert lib.errors.trace
+              (
+                start <= end
+              ) "lib.types.numbers.between start must be less than or equal to end";
+            lib.types.withCheck lib.types.number (value: value >= start && value <= end)
+            // {
+              name = "NumberBetween";
+              description = "numbereger between ${description start end}";
+            };
       in
       {
         inherit between;
@@ -447,8 +454,7 @@ lib: {
     };
 
     attrs = {
-      ## A type that allows an attribute set containing any type of value. The merged
-      ## definitions must all be.
+      ## A type that allows an attribute set containing any type of value.
       ##
       ## @type Attrs
       any = lib.types.create {
@@ -480,10 +486,12 @@ lib: {
             let
               normalize =
                 definition:
-                builtins.mapAttrs (name: value: {
-                  __file__ = definition.__file__;
-                  value = value;
-                }) definition.value;
+                builtins.mapAttrs
+                  (name: value: {
+                    __file__ = definition.__file__;
+                    value = value;
+                  })
+                  definition.value;
               normalized = builtins.map normalize definitions;
               zipper =
                 name: definitions: (lib.options.merge.definitions (location ++ [ name ]) type definitions).optional;
@@ -520,17 +528,19 @@ lib: {
             let
               normalize =
                 definition:
-                builtins.mapAttrs (name: value: {
-                  __file__ = definition.__file__;
-                  value = value;
-                }) definition.value;
+                builtins.mapAttrs
+                  (name: value: {
+                    __file__ = definition.__file__;
+                    value = value;
+                  })
+                  definition.value;
               normalized = builtins.map normalize definitions;
               zipper =
                 name: definitions:
                 let
                   merged = lib.options.merge.definitions (location ++ [ name ]) type definitions;
                 in
-                merged.optional.value or type.fallback.value or merged.merged;
+                  merged.optional.value or type.fallback.value or merged.merged;
             in
             builtins.zipAttrsWith zipper normalized;
           getSubOptions = prefix: type.getSubOptions (prefix ++ [ "<name>" ]);
@@ -569,7 +579,7 @@ lib: {
       ##
       ## @type Attrs
       shell = lib.types.derivation // {
-        check = value: lib.packages.isDerivation && builtins.hasAttr "shellPath" value;
+        check = value: lib.packages.isDerivation value && builtins.hasAttr "shellPath" value;
       };
     };
 
@@ -606,25 +616,30 @@ lib: {
           merge =
             location: definitions:
             let
-              result = lib.lists.mapWithIndex1 (
-                i: definition:
-                lib.lists.mapWithIndex1 (
-                  j: value:
-                  let
-                    resolved =
-                      lib.options.merge.definitions (location ++ [ "[definition ${builtins.toString i}-entry ${j}]" ])
-                        type
-                        [
-                          {
-                            file = definition.file;
-                            value = value;
-                          }
-                        ];
-                  in
-                  resolved.optional
-                ) definition.value
-              ) definitions;
-              merged = builtins.concatLists result;
+              result = lib.lists.mapWithIndex1
+                (
+                  i: definition:
+                    lib.lists.mapWithIndex1
+                      (
+                        j: value:
+                          let
+                            resolved =
+                              lib.options.merge.definitions (location ++ [ "[definition ${builtins.toString i}-entry ${j}]" ])
+                                type
+                                [
+                                  {
+                                    file = definition.file;
+                                    value = value;
+                                  }
+                                ];
+                          in
+                          resolved.optional
+                      )
+                      definition.value
+                )
+                definitions;
+
+              merged = lib.lists.flatten result;
               filtered = builtins.filter (definition: definition ? value) merged;
               values = lib.options.getDefinitionValues filtered;
             in
@@ -777,11 +792,11 @@ lib: {
       ##
       ## @type { modules :: List Module, args? :: Attrs, description? :: String | Null, shorthand? :: Bool } -> Attrs
       of =
-        settings@{
-          modules,
-          args ? { },
-          description ? null,
-          shorthand ? true,
+        settings@{ modules
+        , args ? { }
+        , description ? null
+        , shorthand ? true
+        ,
         }:
         let
           getModules = builtins.map (
@@ -790,9 +805,12 @@ lib: {
               let
                 # TODO: Figure out if we can apply additional attributes to the generated module.
                 # Currently this causes issues to do with redefined options.
-                rest = builtins.removeAttrs (lib.attrs.filter (
-                  name: value: builtins.elem name lib.modules.VALID_KEYS
-                ) definition.value) [ "freeform" ];
+                rest = builtins.removeAttrs
+                  (lib.attrs.filter
+                    (
+                      name: value: builtins.elem name lib.modules.VALID_KEYS
+                    )
+                    definition.value) [ "freeform" ];
               in
               if definition.value ? config then
                 rest
@@ -922,10 +940,12 @@ lib: {
           merge = location: definitions: {
             includes =
               modules
-              ++ builtins.map (definition: {
-                __file__ = "${definition.__file__}; via ${lib.options.getIdentifier location}";
-                includes = [ definition.value ];
-              }) definitions;
+              ++ builtins.map
+                (definition: {
+                  __file__ = "${definition.__file__}; via ${lib.options.getIdentifier location}";
+                  includes = [ definition.value ];
+                })
+                definitions;
           };
           getSubOptions = submodule.getSubOptions;
           getSubModules = submodule.getSubModules;
@@ -961,10 +981,12 @@ lib: {
         location: definitions:
         let
           first = builtins.elemAt definitions 0;
-          modules = builtins.map (definition: {
-            __file__ = definition.__file__;
-            options = lib.options.create { type = definition.value; };
-          }) definitions;
+          modules = builtins.map
+            (definition: {
+              __file__ = definition.__file__;
+              options = lib.options.create { type = definition.value; };
+            })
+            definitions;
           merged = lib.modules.fixup location (lib.options.merge.declarations location modules);
         in
         if builtins.length definitions == 1 then first.value else merged.type;
@@ -1100,6 +1122,43 @@ lib: {
           };
         };
 
+    ## Create a type that allows a value which is either the final type or is transformable
+    ## to the final type.
+    ##
+    ## @type Attrs -> (Any -> Any) -> Attrs -> Attrs
+    coerceWithLocation =
+      initial: transform: final:
+      let
+      in
+      if initial.getSubModules != null then
+        builtins.throw "lib.types.coerceWithLocation's first argument may not have submodules, but got ${initial.description}"
+      else
+        lib.types.create {
+          name = "Coerce";
+          description = "${initial.description} that is transformed to ${final.description}";
+          fallback = final.fallback;
+          check = value: final.check value || (initial.check value && final.check (transform [ ] value));
+          merge =
+            location: definitions:
+            let
+              process = value: if initial.check value then transform location value else value;
+              normalize = definition: definition // { value = process definition.value; };
+              normalized = builtins.map normalize definitions;
+            in
+            final.merge location normalized;
+          getSubOptions = final.getSubOptions;
+          getSubModules = final.getSubModules;
+          withSubModules =
+            modules: lib.types.coerceWithLocation initial transform (final.withSubModules modules);
+          mergeType = x: y: null;
+          functor = lib.types.functor "coerceWithLocation" // {
+            wrapped = final;
+          };
+          children = {
+            inherit initial final;
+          };
+        };
+
     dag = {
       ## Create a type that allows a DAG (Directed Acyclic Graph) of a given type.
       ##
@@ -1160,10 +1219,12 @@ lib: {
           merge =
             location: definitions:
             submodule.merge location (
-              builtins.map (definition: {
-                __file__ = definition.__file__;
-                value = normalize definition;
-              }) definitions
+              builtins.map
+                (definition: {
+                  __file__ = definition.__file__;
+                  value = normalize definition;
+                })
+                definitions
             );
         };
     };

tidepool/flake.lock

@@ -8,10 +8,10 @@
       },
       "locked": {
         "dir": "foundation",
-        "dirtyRev": "9850da8aa9dc9be22e237c9b424a18e801e53ecb-dirty",
-        "dirtyShortRev": "9850da8-dirty",
-        "lastModified": 1718529861,
-        "narHash": "sha256-X1Wd6mDz8GTaoxt1ylkvZfrJOcZtspJrEjXMtJ2ZyG0=",
+        "dirtyRev": "3f9d287065ac685ce500c2cddb35428b2927f5a2-dirty",
+        "dirtyShortRev": "3f9d287-dirty",
+        "lastModified": 1720514984,
+        "narHash": "sha256-AuixwSlYk34Z6+GEc7y4QotF3Hk963zC9I9hAwX5KCE=",
         "type": "git",
         "url": "file:../?dir=foundation"
       },
@@ -24,10 +24,10 @@
     "lib": {
       "locked": {
         "dir": "lib",
-        "dirtyRev": "9850da8aa9dc9be22e237c9b424a18e801e53ecb-dirty",
-        "dirtyShortRev": "9850da8-dirty",
-        "lastModified": 1718529861,
-        "narHash": "sha256-X1Wd6mDz8GTaoxt1ylkvZfrJOcZtspJrEjXMtJ2ZyG0=",
+        "dirtyRev": "3f9d287065ac685ce500c2cddb35428b2927f5a2-dirty",
+        "dirtyShortRev": "3f9d287-dirty",
+        "lastModified": 1720514984,
+        "narHash": "sha256-AuixwSlYk34Z6+GEc7y4QotF3Hk963zC9I9hAwX5KCE=",
         "type": "git",
         "url": "file:../?dir=lib"
       },

tidepool/src/builders/basic.nix

@@ -1,10 +1,8 @@
-{ lib, config }:
+{ config }:
 let
   cfg = config.builders.basic;
 
-  lib' = config.lib;
-
-  inherit (config) foundation;
+  inherit (config) lib foundation;
 in
 {
   config.builders = {
@@ -14,15 +12,46 @@ in
       build =
         package:
         let
-          phases = package.phases;
-          sorted = lib.dag.sort.topographic phases;
-
-          script = lib.strings.concatMapSep "\n" (
-            entry: if builtins.isFunction entry.value then entry.value package else entry.value
-          ) sorted.result;
-
           system = package.platform.build.double;
 
+          dependencies = lib.packages.dependencies.collect package;
+
+          context = lib.packages.context.create dependencies { };
+
+          hooks = lib.packages.hooks.create dependencies context;
+
+          phasesWithHooks =
+            let
+              all = lib.lists.flatten [
+                hooks.build.only
+                hooks.build.build
+                hooks.build.host
+                hooks.build.target
+                hooks.host.only
+                hooks.host.host
+                hooks.host.target
+                hooks.target.only
+                hooks.target.target
+              ];
+            in
+            builtins.foldl' (final: defaults: lib.dag.apply.defaults final defaults) package.phases all;
+
+          phases = lib.dag.apply.defaults phasesWithHooks {
+            unpack = lib.dag.entry.before [ "patch" ] "";
+
+            patch = lib.dag.entry.between [ "unpack" ] [ "configure" ] "";
+
+            configure = lib.dag.entry.between [ "patch" ] [ "build" ] "";
+
+            build = lib.dag.entry.between [ "configure" ] [ "install" ] "";
+
+            install = lib.dag.entry.after [ "build" ] "";
+          };
+
+          sorted = lib.dag.sort.topological phases;
+
+          script = lib.strings.concatMapSep "\n" (entry: entry.value) sorted.result;
+
           built = builtins.derivation (
             package.env
             // {
@@ -36,7 +65,7 @@ in
               PATH =
                 let
                   bins = lib.paths.bin (
-                    (lib'.packages.dependencies.getPackages package.deps.build.host)
+                    (lib.packages.dependencies.get dependencies.build.host)
                     ++ [
                       foundation.stage2-bash
                       foundation.stage2-coreutils
@@ -70,7 +99,14 @@ in
             }
           );
         in
-        built // { inherit (package) meta; };
+        built
+        // {
+          inherit (package) meta;
+          extras = {
+            inherit package context;
+            phases = builtins.listToAttrs sorted.result;
+          } // package.extras;
+        };
     };
   };
 }

tidepool/src/export.nix

@@ -1,18 +1,21 @@
 # This file handles creating all of the exports for this project and is not
 # exported itself.
-{ lib, config }:
+{ config }:
 let
-  lib' = config.lib;
+  inherit (config) lib;
 in
 {
-  freeform = lib.types.any;
+  # freeform = lib.types.any;
 
   config = {
     exports = {
-      lib = config.lib;
+      inherit lib;
       modules = import ./modules.nix;
 
       packages = {
+        aux-a = config.packages.aux.a;
+        aux-b = config.packages.aux.b;
+
         # foundation-gcc-x86_64 =
         # (config.packages.foundation.gcc.versions."13.2.0".extend (args: {
         #   config = {
@@ -24,11 +27,13 @@ in
         # .config;
         foundation-gcc = config.packages.foundation.gcc;
         foundation-binutils = config.packages.foundation.binutils;
-        foundation-linux-headers = config.packages.foundation.linux-headers.versions.latest.extend {
-          platform.host = lib.modules.overrides.force "x86_64-linux";
-        };
+        foundation-linux-headers = config.packages.foundation.linux-headers;
+        # foundation-linux-headers = config.packages.foundation.linux-headers.versions.latest.extend {
+        #   platform.host = lib.modules.overrides.force "x86_64-linux";
+        # };
         # example-x = config.packages.example.x;
-        # cross-example-x-x86_64-linux = config.packages.cross.x86_64-linux.example.x;
+        cross-aux-a-x86_64-linux = config.packages.cross.x86_64-linux.aux.a;
+        cross-foundation-gcc-x86_64-linux = config.packages.cross.x86_64-linux.foundation.gcc;
       };
     };
 

tidepool/src/lib/options.nix

@@ -5,7 +5,7 @@ in
   config = {
     lib.options = {
       package = lib.options.create {
-        type = config.lib.types.package;
+        type = config.lib.types.package.base;
         description = "A package definition.";
       };
     };

tidepool/src/lib/packages.nix

@@ -1,20 +1,272 @@
-{
-  lib,
-  lib',
-  config,
-}:
+{ lib, config }:
+let
+  lib' = config.lib;
+in
 {
   config = {
     lib.packages = {
       dependencies = {
-        getPackages =
+        get =
           dependencies:
           let
-            available = builtins.filter (dependency: !(builtins.isNull dependency)) (
-              builtins.attrValues dependencies
-            );
+            exists = value: !(builtins.isNull value);
+            available = builtins.filter exists dependencies;
           in
           builtins.map (dependency: dependency.package) available;
+
+        build =
+          build': host': target':
+          builtins.mapAttrs (name: dep: lib'.packages.build dep build' host' target');
+
+        collect =
+          package:
+          let
+            isPropagated = name: package: package.propagate or false;
+            getPropagatedDependencies = target: builtins.attrValues (lib.attrs.filter isPropagated target);
+
+            process =
+              dependencies:
+              let
+                getDeps =
+                  name: dependency:
+                  let
+                    deps = {
+                      build = {
+                        only = getPropagatedDependencies dependency.deps.build.only ++ process dependency.deps.build.only;
+                        build =
+                          getPropagatedDependencies dependency.deps.build.build
+                          ++ process dependency.deps.build.build;
+                        host = getPropagatedDependencies dependency.deps.build.host ++ process dependency.deps.build.host;
+                        target =
+                          getPropagatedDependencies dependency.deps.build.target
+                          ++ process dependency.deps.build.target;
+                      };
+                      host = {
+                        only = getPropagatedDependencies dependency.deps.host.only ++ process dependency.deps.host.only;
+                        host = getPropagatedDependencies dependency.deps.host.host ++ process dependency.deps.host.host;
+                        target =
+                          getPropagatedDependencies dependency.deps.host.target
+                          ++ process dependency.deps.host.target;
+                      };
+                      target = {
+                        only = getPropagatedDependencies dependency.deps.target.only ++ process dependency.deps.target.only;
+                        target =
+                          getPropagatedDependencies dependency.deps.target.target
+                          ++ process dependency.deps.target.target;
+                      };
+                    };
+                  in
+                  lib.lists.flatten [
+                    deps.build.only
+                    deps.build.build
+                    deps.build.host
+                    deps.build.target
+                    deps.host.only
+                    deps.host.host
+                    deps.host.target
+                    deps.target.only
+                    deps.target.target
+                  ];
+
+                propagated = lib.attrs.mapToList getDeps dependencies;
+              in
+              lib.lists.flatten propagated;
+          in
+          {
+            build = {
+              only = builtins.attrValues package.deps.build.only ++ process package.deps.build.only;
+              build = builtins.attrValues package.deps.build.build ++ process package.deps.build.build;
+              host = builtins.attrValues package.deps.build.host ++ process package.deps.build.host;
+              target = builtins.attrValues package.deps.build.target ++ process package.deps.build.target;
+            };
+            host = {
+              only = builtins.attrValues package.deps.host.only ++ process package.deps.host.only;
+              host = builtins.attrValues package.deps.host.host ++ process package.deps.host.host;
+              target = builtins.attrValues package.deps.host.target ++ process package.deps.host.target;
+            };
+            target = {
+              only = builtins.attrValues package.deps.target.only ++ process package.deps.target.only;
+              target = builtins.attrValues package.deps.target.target ++ process package.deps.target.target;
+            };
+          };
+      };
+
+      context = {
+        create =
+          collected: ctx:
+          let
+            process =
+              path:
+              let
+                dependencies = lib.attrs.selectOrThrow path collected;
+                contexts = builtins.map (dependency: dependency.context or { }) dependencies;
+                result = lib.modules.run {
+                  prefix = [ "<package>" ];
+                  modules = builtins.map (context: { config = context; }) contexts ++ [
+                    {
+                      freeform = lib.types.any;
+
+                      options = config.packages.context.options // {
+                        target = lib.options.create {
+                          description = "The dependency target that is being generated.";
+                          type = lib.types.enum [
+                            "build.only"
+                            "build.build"
+                            "build.host"
+                            "build.target"
+                            "host.only"
+                            "host.host"
+                            "host.target"
+                            "target.only"
+                            "target.target"
+                          ];
+                          writable = false;
+                          default.value = builtins.concatStringsSep "." path;
+                        };
+
+                        deps = lib.options.create {
+                          description = "The collected dependencies.";
+                          writable = false;
+                          default.value = collected;
+                          type = lib.types.submodule {
+                            options = {
+                              build = {
+                                only = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                build = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                host = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                target = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                              };
+                              host = {
+                                only = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                host = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                target = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                              };
+                              target = {
+                                only = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                target = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                              };
+                            };
+                          };
+                        };
+                      };
+
+                      config = ctx;
+                    }
+                  ];
+                };
+              in
+              result.config;
+          in
+          {
+            build = {
+              only = process [
+                "build"
+                "only"
+              ];
+              build = process [
+                "build"
+                "build"
+              ];
+              host = process [
+                "build"
+                "host"
+              ];
+              target = process [
+                "build"
+                "target"
+              ];
+            };
+            host = {
+              only = process [
+                "host"
+                "only"
+              ];
+              host = process [
+                "host"
+                "host"
+              ];
+              target = process [
+                "host"
+                "target"
+              ];
+            };
+            target = {
+              only = process [
+                "target"
+                "only"
+              ];
+              target = process [
+                "target"
+                "target"
+              ];
+            };
+          };
+      };
+
+      hooks = {
+        create =
+          collected: ctx:
+          let
+            process =
+              path:
+              let
+                dependencies = lib.attrs.selectOrThrow path collected;
+                hooks = builtins.map
+                  (
+                    dependency:
+                    let
+                      getHooks = dependency.hooks or (lib.fp.const { });
+                    in
+                    getHooks ctx
+                  )
+                  dependencies;
+              in
+              hooks;
+          in
+          {
+            build = {
+              only = process [
+                "build"
+                "only"
+              ];
+              build = process [
+                "build"
+                "build"
+              ];
+              host = process [
+                "build"
+                "host"
+              ];
+              target = process [
+                "build"
+                "target"
+              ];
+            };
+            host = {
+              only = process [
+                "host"
+                "only"
+              ];
+              host = process [
+                "host"
+                "host"
+              ];
+              target = process [
+                "host"
+                "target"
+              ];
+            };
+            target = {
+              only = process [
+                "target"
+                "only"
+              ];
+              target = process [
+                "target"
+                "target"
+              ];
+            };
+          };
       };
 
       getLatest =
@@ -25,54 +277,89 @@
         in
         builtins.head sorted;
 
+      resolve =
+        alias:
+        if alias ? versions then
+          alias.versions.${config.preferences.packages.version}
+            or (alias.versions.${lib'.packages.getLatest alias})
+        else
+          alias;
+
       build =
-        package: build: host: target:
+        alias: build: host: target:
         let
-          resolved =
-            if package ? versions then
-              package.versions.${config.preferences.packages.version}
-                or (package.versions.${lib'.packages.getLatest package})
-            else
-              package;
+          package = lib'.packages.resolve alias;
 
           buildDependencies =
             build': host': target':
             builtins.mapAttrs (name: dep: lib'.packages.build dep build' host' target');
 
-          result = resolved.extend (
-            { config }:
-            {
-              config = {
-                platform = {
-                  build = build;
-                  host = host;
-                  target = lib.modules.override 150 target;
-                };
+          platform = {
+            build = lib.modules.overrides.force build;
+            host = lib.modules.overrides.force host;
+            target = lib.modules.overrides.force target;
+          };
 
-                deps = {
-                  build = {
-                    only = buildDependencies build build build resolved.deps.build.only;
-                    build = buildDependencies build build target resolved.deps.build.build;
-                    host = buildDependencies build host target resolved.deps.build.host;
-                    target = buildDependencies build target target resolved.deps.build.target;
-                  };
-                  host = {
-                    only = buildDependencies host host host resolved.deps.host.only;
-                    host = buildDependencies host host target resolved.deps.host.host;
-                    target = buildDependencies host target target resolved.deps.host.target;
-                  };
-                  target = {
-                    only = buildDependencies target target target resolved.deps.target.only;
-                    target = buildDependencies target target target resolved.deps.target.target;
-                  };
-                };
+          withPlatform = lib.modules.run {
+            modules = package.__modules__ ++ [
+              lib'.types.package.children.submodule
+              (
+                { config }:
+                {
+                  config = {
+                    __modules__ = package.__modules__;
 
-                package = config.builder.build config;
+                    inherit platform;
+                  };
+                }
+              )
+            ];
+          };
+
+          # Not all platform information can be effectively handled via submodules. To handle
+          # the case where a user copies the resolved config over we need to ensure that
+          # dependencies are appropriately updated.
+          withDeps = withPlatform.config // {
+            deps = {
+              build = {
+                only = buildDependencies build build build withPlatform.config.deps.build.only;
+                build = buildDependencies build build target withPlatform.config.deps.build.build;
+                host = buildDependencies build host target withPlatform.config.deps.build.host;
+                target = buildDependencies build target target withPlatform.config.deps.build.target;
               };
-            }
-          );
+              host = {
+                only = buildDependencies host host host withPlatform.config.deps.host.only;
+                host = buildDependencies host host target withPlatform.config.deps.host.host;
+                target = buildDependencies host target target withPlatform.config.deps.host.target;
+              };
+              target = {
+                only = buildDependencies target target target withPlatform.config.deps.target.only;
+                target = buildDependencies target target target withPlatform.config.deps.target.target;
+              };
+            };
+          };
+
+          withPackage = lib.modules.run {
+            modules = package.__modules__ ++ [
+              lib'.types.package.children.submodule
+              (
+                { config }:
+                {
+                  config = {
+                    __modules__ = package.__modules__;
+
+                    inherit platform;
+
+                    deps = lib.modules.overrides.force withDeps.deps;
+
+                    package = lib.modules.overrides.force (withDeps.builder.build withDeps);
+                  };
+                }
+              )
+            ];
+          };
         in
-        result;
+        withPackage.config;
     };
   };
 }

tidepool/src/lib/systems.nix

@@ -1220,6 +1220,7 @@ in
               vendor,
               kernel,
               abi,
+              ...
             }:
             types.cpu.check cpu
             && types.vendor.check vendor
@@ -1227,6 +1228,17 @@ in
             && types.abi.check abi;
         };
 
+        platformWithBuildInfo = lib.types.create {
+          name = "systemWithBuildInfo";
+          description = "fully parsed representation of llvm- or nix-style platform tuple with build information";
+          merge = lib.options.merge.one;
+          check =
+            value:
+            lib.types.is "systemWithBuildInfo" value
+            && value ? system
+            && lib'.systems.types.platform.check value.system;
+        };
+
         endian = lib.types.enum (builtins.attrValues types.endians);
 
         endians = setTypes types.generic.endian {
@@ -2792,7 +2804,7 @@ in
         assert resolved.useAndroidPrebuilt -> resolved.isAndroid;
         assert assertions;
         # And finally, return the generated system info.
-        resolved;
+        lib.types.set "systemWithBuildInfo" resolved;
     };
   };
 }

tidepool/src/lib/types.nix

@@ -1,8 +1,9 @@
-{
-  lib,
-  lib',
-  config,
-}:
+{ lib, config }:
+let
+  inherit (config) preferences builders;
+
+  lib' = config.lib;
+in
 {
   config = {
     lib.types = {
@@ -55,6 +56,10 @@
         in
         lib.types.either type (lib.types.list.of type);
 
+      platform =
+        lib.types.coerce lib.types.string lib'.systems.withBuildInfo
+          lib'.systems.types.platformWithBuildInfo;
+
       builder = lib.types.submodule {
         freeform = lib.types.any;
 
@@ -66,256 +71,368 @@
         };
       };
 
-      packages = lib.types.attrs.of (lib'.types.alias);
+      packages = lib.types.attrs.of (lib.types.attrs.of lib'.types.alias);
 
-      alias = lib.types.attrs.of (
-        lib.types.submodule {
-          options = {
-            versions = lib.options.create {
-              description = "All available package versions.";
-              type = lib.types.attrs.of lib'.types.package;
-            };
+      dependencies =
+        build: host: target:
+        let
+          initial = lib.types.raw;
+
+          transform =
+            value:
+            let
+              package = lib'.packages.resolve value;
+            in
+            lib'.packages.build package build host target;
+        in
+        lib.types.attrs.of (lib.types.coerce initial transform lib'.types.package);
+
+      alias = lib.types.submodule {
+        options = {
+          stable = lib.options.create {
+            description = "The stable version of the package.";
+            type = lib.types.nullish lib'.types.package;
           };
-        }
-      );
 
-      dependencies = lib.types.attrs.of (
-        lib.types.nullish (lib.types.either lib'.types.alias lib'.types.package)
-      );
+          latest = lib.options.create {
+            description = "The latest version of the package.";
+            type = lib'.types.package;
+          };
 
-      package = lib.types.submodule (
-        { config, meta }:
-        {
-          options = {
-            extend = lib.options.create {
-              description = "Extend the package's submodules with additional configuration.";
-              type = lib.types.function lib.types.raw;
-              default.value =
-                value:
-                let
-                  result = meta.extend {
-                    modules = if builtins.isAttrs value then [ { config = value; } ] else lib.lists.from.any value;
+          versions = lib.options.create {
+            description = "Available versions of the package.";
+            type = lib.types.attrs.of lib'.types.package;
+            default.value = { };
+          };
+        };
+      };
+
+      package =
+        let
+          normalize =
+            value:
+            if builtins.isFunction value || builtins.isList value then
+              value
+            else if value ? __modules__ then
+              value.__modules__
+            else
+              { config = value; };
+
+          initial = lib.types.create {
+            name = "PackageConfig";
+            description = "configuration for a package";
+            check = value: builtins.isFunction value || builtins.isAttrs value || builtins.isList value;
+            merge =
+              location: definitions:
+              let
+                normalized = builtins.map (definition: lib.lists.from.any (normalize definition.value)) definitions;
+              in
+              builtins.concatLists normalized;
+          };
+
+          transform =
+            location: value:
+            let
+              modules = lib.lists.from.any (normalize value);
+
+              result = lib.modules.run {
+                prefix = location;
+                modules = modules ++ [
+                  submodule
+                  { config.__modules__ = modules; }
+                ];
+              };
+            in
+            result.config;
+
+          final = lib.types.raw;
+
+          deps =
+            build: host: target:
+            lib.types.submodule {
+              options = {
+                build = {
+                  only = lib.options.create {
+                    description = "Dependencies which are only used in the build environment.";
+                    type = lib'.types.dependencies build build build;
+                    default.value = { };
                   };
-                in
-                result.config;
-            };
 
-            name = lib.options.create {
-              description = "The name of the package.";
-              type = lib.types.string;
-              default = {
-                text = "\${config.pname}-\${config.version}";
-                value =
-                  if config.pname != null && config.version != null then "${config.pname}-${config.version}" else "";
-              };
-            };
+                  build = lib.options.create {
+                    description = "Dependencies which are created in the build environment and are executed in the build environment.";
+                    type = lib'.types.dependencies build build target;
+                    default.value = { };
+                  };
 
-            pname = lib.options.create {
-              description = "The program name for the package";
-              type = lib.types.nullish lib.types.string;
-              default.value = null;
-            };
+                  host = lib.options.create {
+                    description = "Dependencies which are created in the build environment and are executed in the host environment.";
+                    type = lib'.types.dependencies build host target;
+                    default.value = { };
+                  };
 
-            version = lib.options.create {
-              description = "The version for the package.";
-              type = lib.types.nullish lib.types.version;
-              default.value = null;
-            };
-
-            meta = {
-              description = lib.options.create {
-                description = "The description for the package.";
-                type = lib.types.nullish lib.types.string;
-                default.value = null;
-              };
-
-              homepage = lib.options.create {
-                description = "The homepage for the package.";
-                type = lib.types.nullish lib.types.string;
-                default.value = null;
-              };
-
-              license = lib.options.create {
-                description = "The license for the package.";
-                type = lib.types.nullish lib'.types.license;
-                default.value = null;
-              };
-
-              free = lib.options.create {
-                description = "Whether the package is free.";
-                type = lib.types.bool;
-                default.value = true;
-              };
-
-              insecure = lib.options.create {
-                description = "Whether the package is insecure.";
-                type = lib.types.bool;
-                default.value = false;
-              };
-
-              broken = lib.options.create {
-                description = "Whether the package is broken.";
-                type = lib.types.bool;
-                default.value = false;
-              };
-
-              main = lib.options.create {
-                description = "The main entry point for the package.";
-                type = lib.types.nullish lib.types.string;
-                default.value = null;
-              };
-
-              platforms = lib.options.create {
-                description = "The platforms the package supports.";
-                type = lib.types.list.of lib.types.string;
-                default.value = [ ];
-              };
-            };
-
-            platform = {
-              build = lib.options.create {
-                description = "The build platform for the package.";
-                type = lib.types.string;
-                default.value = "x86_64-linux";
-                apply =
-                  raw:
-                  let
-                    system = lib'.systems.from.string raw;
-                    x = lib'.systems.withBuildInfo raw;
-                  in
-                  x;
-              };
-
-              host = lib.options.create {
-                description = "The host platform for the package.";
-                type = lib.types.string;
-                default.value = "x86_64-linux";
-                # apply = raw: let
-                #   system = lib'.systems.from.string raw;
-                # in {
-                #   inherit raw system;
-
-                #   double = lib'.systems.into.double system;
-                #   triple = lib'.systems.into.triple system;
-                # };
-                apply =
-                  raw:
-                  let
-                    system = lib'.systems.from.string raw;
-                    x = lib'.systems.withBuildInfo raw;
-                  in
-                  x;
-              };
-
-              target = lib.options.create {
-                description = "The target platform for the package.";
-                type = lib.types.string;
-                default.value = "x86_64-linux";
-                # apply = raw: let
-                #   system = lib'.systems.from.string raw;
-                # in {
-                #   inherit raw system;
-
-                #   double = lib'.systems.into.double system;
-                #   triple = lib'.systems.into.triple system;
-                # };
-                apply =
-                  raw:
-                  let
-                    system = lib'.systems.from.string raw;
-                    x = lib'.systems.withBuildInfo raw;
-                  in
-                  x;
-              };
-            };
-
-            phases = lib.options.create {
-              description = "The phases for the package.";
-              type = lib.types.dag.of (lib.types.either lib.types.string (lib.types.function lib.types.string));
-              default.value = { };
-            };
-
-            env = lib.options.create {
-              description = "The environment for the package.";
-              type = lib.types.attrs.of lib.types.string;
-              default.value = { };
-            };
-
-            builder = lib.options.create {
-              description = "The builder for the package.";
-              type = lib'.types.builder;
-            };
-
-            deps = {
-              build = {
-                only = lib.options.create {
-                  description = "Dependencies which are only used in the build environment.";
-                  type = lib'.types.dependencies;
-                  default.value = { };
+                  target = lib.options.create {
+                    description = "Dependencies which are created in the build environment and are executed in the target environment.";
+                    type = lib'.types.dependencies build target target;
+                    default.value = { };
+                  };
                 };
 
-                build = lib.options.create {
-                  description = "Dependencies which are created in the build environment and are executed in the build environment.";
-                  type = lib'.types.dependencies;
-                  default.value = { };
+                host = {
+                  only = lib.options.create {
+                    description = "Dependencies which are only used in the host environment.";
+                    type = lib'.types.dependencies host host host;
+                    default.value = { };
+                  };
+
+                  host = lib.options.create {
+                    description = "Dependencies which are executed in the host environment.";
+                    type = lib'.types.dependencies host host target;
+                    default.value = { };
+                  };
+
+                  target = lib.options.create {
+                    description = "Dependencies which are executed in the host environment which produces code for the target environment.";
+                    type = lib'.types.dependencies host target target;
+                    default.value = { };
+                  };
                 };
 
-                host = lib.options.create {
-                  description = "Dependencies which are created in the build environment and are executed in the host environment.";
-                  type = lib'.types.dependencies;
-                  default.value = { };
-                };
+                target = {
+                  only = lib.options.create {
+                    description = "Dependencies which are only used in the target environment.";
+                    type = lib'.types.dependencies target target target;
+                    default.value = { };
+                  };
 
-                target = lib.options.create {
-                  description = "Dependencies which are created in the build environment and are executed in the target environment.";
-                  type = lib'.types.dependencies;
-                  default.value = { };
-                };
-              };
-
-              host = {
-                only = lib.options.create {
-                  description = "Dependencies which are only used in the host environment.";
-                  type = lib'.types.dependencies;
-                  default.value = { };
-                };
-
-                host = lib.options.create {
-                  description = "Dependencies which are executed in the host environment.";
-                  type = lib'.types.dependencies;
-                  default.value = { };
-                };
-
-                target = lib.options.create {
-                  description = "Dependencies which are executed in the host environment which produces code for the target environment.";
-                  type = lib'.types.dependencies;
-                  default.value = { };
-                };
-              };
-
-              target = {
-                only = lib.options.create {
-                  description = "Dependencies which are only used in the target environment.";
-                  type = lib'.types.dependencies;
-                  default.value = { };
-                };
-
-                target = lib.options.create {
-                  description = "Dependencies which are executed in the target environment.";
-                  type = lib'.types.dependencies;
-                  default.value = { };
+                  target = lib.options.create {
+                    description = "Dependencies which are executed in the target environment.";
+                    type = lib'.types.dependencies target target target;
+                    default.value = { };
+                  };
                 };
               };
             };
 
-            package = lib.options.create {
-              description = "The built derivation.";
-              type = lib.types.derivation;
-              default.value = config.builder.build config;
+          submodule =
+            { config, meta }:
+            let
+              build = config.platform.build;
+              host = config.platform.host;
+              target = config.platform.target;
+            in
+            {
+              options = {
+                __modules__ = lib.options.create {
+                  description = "User specified modules for the package definition.";
+                  type = lib.types.list.of (initial // { merge = lib.options.merge.one; });
+                  # writable = false;
+                  internal = true;
+                  default.value = [ ];
+                };
+
+                extend = lib.options.create {
+                  description = "Extend the package definition.";
+                  type = lib.types.function lib.types.raw;
+                  internal = true;
+                  writable = false;
+                  default.value = module:
+                    let
+                      normalized =
+                        if builtins.isList module then
+                          module
+                        else if builtins.isFunction module || module ? config then
+                          [ module ]
+                        else
+                          [{
+                            config = module;
+                          }];
+                      result = meta.extend {
+                        modules =
+                          normalized ++ [
+                            {
+                              config.__modules__ = lib.modules.overrides.force (config.__modules__ ++ normalized);
+                            }
+                          ];
+                      };
+                    in
+                    result.config;
+                };
+
+                meta = {
+                  description = lib.options.create {
+                    description = "The description for the package.";
+                    type = lib.types.nullish lib.types.string;
+                    default.value = null;
+                  };
+
+                  homepage = lib.options.create {
+                    description = "The homepage for the package.";
+                    type = lib.types.nullish lib.types.string;
+                    default.value = null;
+                  };
+
+                  license = lib.options.create {
+                    description = "The license for the package.";
+                    type = lib.types.nullish lib'.types.license;
+                    default.value = null;
+                  };
+
+                  free = lib.options.create {
+                    description = "Whether the package is free.";
+                    type = lib.types.bool;
+                    default.value = true;
+                  };
+
+                  insecure = lib.options.create {
+                    description = "Whether the package is insecure.";
+                    type = lib.types.bool;
+                    default.value = false;
+                  };
+
+                  broken = lib.options.create {
+                    description = "Whether the package is broken.";
+                    type = lib.types.bool;
+                    default.value = false;
+                  };
+
+                  main = lib.options.create {
+                    description = "The main entry point for the package.";
+                    type = lib.types.nullish lib.types.string;
+                    default.value = null;
+                  };
+
+                  platforms = lib.options.create {
+                    description = "The platforms the package supports.";
+                    type = lib.types.list.of lib.types.string;
+                    default.value = [ ];
+                  };
+                };
+
+                extras = lib.options.create {
+                  description = "Extra information for the package.";
+                  type = lib.types.attrs.of lib.types.any;
+                  default.value = { };
+                };
+
+                platform = {
+                  build = lib.options.create {
+                    description = "The build platform for the package.";
+                    type = lib'.types.platform;
+                    default.value = lib'.systems.withBuildInfo "x86_64-linux";
+                  };
+
+                  host = lib.options.create {
+                    description = "The host platform for the package.";
+                    type = lib'.types.platform;
+                    default.value = lib'.systems.withBuildInfo "x86_64-linux";
+                  };
+
+                  target = lib.options.create {
+                    description = "The target platform for the package.";
+                    type = lib'.types.platform;
+                    default.value = lib'.systems.withBuildInfo "x86_64-linux";
+                  };
+                };
+
+                name = lib.options.create {
+                  description = "The name of the package.";
+                  type = lib.types.string;
+                  default = {
+                    text = "\${config.pname}-\${config.version}";
+                    value =
+                      if config.pname != null && config.version != null then "${config.pname}-${config.version}" else "";
+                  };
+                };
+
+                pname = lib.options.create {
+                  description = "The program name for the package";
+                  type = lib.types.nullish lib.types.string;
+                  default.value = null;
+                };
+
+                version = lib.options.create {
+                  description = "The version for the package.";
+                  type = lib.types.nullish lib.types.version;
+                  default.value = null;
+                };
+
+                builder = lib.options.create {
+                  description = "The builder for the package.";
+                  type = lib'.types.builder;
+                };
+
+                env = lib.options.create {
+                  description = "The environment for the package.";
+                  type = lib.types.attrs.of lib.types.string;
+                  default.value = { };
+                };
+
+                package = lib.options.create {
+                  description = "The built derivation.";
+                  type = lib.types.derivation;
+                  default.value = config.builder.build config;
+                };
+
+                phases = lib.options.create {
+                  description = "The phases for the package.";
+                  type = lib.types.dag.of lib.types.string;
+                  default.value = { };
+                };
+
+                context = lib.options.create {
+                  description = "The context information that the package provides.";
+                  type = lib.types.attrs.of lib.types.raw;
+                  default.value = { };
+                };
+
+                hooks = lib.options.create {
+                  description = "The hooks that the package provides.";
+                  type = lib.types.function (lib.types.dag.of lib.types.string);
+                  default.value = ctx: { };
+                };
+
+                propagate = lib.options.create {
+                  description = "Whether the package should propagate its hooks and context.";
+                  type = lib.types.bool;
+                  default.value = false;
+                };
+
+                deps = lib.options.create {
+                  description = "The dependencies for the package.";
+                  type = deps build host target;
+                  default.value = { };
+                  apply = value: {
+                    build = {
+                      only = lib'.packages.dependencies.build build build build value.build.only;
+                      build = lib'.packages.dependencies.build build build target value.build.build;
+                      host = lib'.packages.dependencies.build build host target value.build.host;
+                      target = lib'.packages.dependencies.build build target target value.build.target;
+                    };
+                    host = {
+                      only = lib'.packages.dependencies.build host host host value.host.only;
+                      host = lib'.packages.dependencies.build host host target value.host.host;
+                      target = lib'.packages.dependencies.build host target target value.host.target;
+                    };
+                    target = {
+                      only = lib'.packages.dependencies.build target target target value.target.only;
+                      target = lib'.packages.dependencies.build target target target value.target.target;
+                    };
+                  };
+                };
+              };
             };
+
+          type = (lib.types.coerceWithLocation initial transform final) // {
+            name = "Package";
+            description = "a package definition";
           };
-        }
-      );
+        in
+        type
+        // {
+          children = type.children // {
+            inherit submodule;
+          };
+        };
     };
   };
 }

tidepool/src/packages/aux/a.nix

@@ -0,0 +1,36 @@
+{ lib', config }:
+let
+  inherit (config) builders packages;
+in
+{
+  config.packages.aux.a = {
+    versions = {
+      "latest" =
+        { config }:
+        {
+          config = {
+            meta = {
+              platforms = [ "i686-linux" ];
+            };
+
+            name = "${config.pname}-${config.version}";
+
+            pname = "a";
+            version = "1.0.0";
+
+            builder = builders.basic;
+
+            deps.build.host = {
+              inherit (packages.aux) b;
+            };
+
+            phases = {
+              install = ''
+                echo "a with b: ${config.deps.build.host.b.package.system}" > $out
+              '';
+            };
+          };
+        };
+    };
+  };
+}

tidepool/src/packages/aux/b.nix

@@ -0,0 +1,54 @@
+{ config }:
+let
+  inherit (config) lib builders packages;
+in
+{
+  config.packages.aux.b = {
+    versions = {
+      "latest" =
+        { config }:
+        {
+          options = {
+            custom = lib.options.create { type = lib.types.bool; };
+          };
+
+          config = {
+            meta = {
+              platforms = [ "i686-linux" ];
+            };
+
+            name = "${config.pname}-${config.version}";
+
+            custom = true;
+
+            pname = "b";
+            version = "1.0.0";
+
+            builder = builders.basic;
+
+            deps = {
+              build = {
+                host = {
+                  c = packages.aux.c.versions.latest.extend {
+                    propagate = true;
+                  };
+                };
+              };
+            };
+
+            context = {
+              "foundation:cflags" = [ "-I $AUX_B/include" ];
+            };
+
+            hooks = ctx: { "aux:b:env" = lib.dag.entry.after [ "unpack" ] ''export AUX_B=${config.package}''; };
+
+            phases = {
+              install = ''
+                echo "b" > $out
+              '';
+            };
+          };
+        };
+    };
+  };
+}

tidepool/src/packages/aux/c.nix

@@ -0,0 +1,44 @@
+{ config }:
+let
+  inherit (config) lib builders packages;
+in
+{
+  config.packages.aux.c = {
+    versions = {
+      "latest" =
+        { config }:
+        {
+          options = {
+            custom = lib.options.create { type = lib.types.bool; };
+          };
+
+          config = {
+            meta = {
+              platforms = [ "i686-linux" ];
+            };
+
+            name = "${config.pname}-${config.version}";
+
+            custom = true;
+
+            pname = "c";
+            version = "1.0.0";
+
+            builder = builders.basic;
+
+            context = {
+              "foundation:cflags" = [ "-I $AUX_C/include" ];
+            };
+
+            hooks = ctx: { "aux:c:env" = lib.dag.entry.after [ "unpack" ] ''export AUX_C=${config.package}''; };
+
+            phases = {
+              install = ''
+                echo "c" > $out
+              '';
+            };
+          };
+        };
+    };
+  };
+}

tidepool/src/packages/default.nix

@@ -1,30 +1,43 @@
-{
-  lib,
-  lib',
-  config,
-}:
+{ config }:
 let
-  doubles = lib'.systems.doubles.all;
+  inherit (config) lib;
+
+  doubles = lib.systems.doubles.all;
 
   packages = builtins.removeAttrs config.packages [ "cross" ];
 in
 {
-  includes = [ ./foundation ];
+  includes = [
+    ./foundation
+    ./aux/a.nix
+    ./aux/b.nix
+    ./aux/c.nix
+  ];
 
   options = {
     packages = lib.options.create {
       description = "The package set.";
       type = lib.types.submodule {
-        freeform = lib.types.attrs.of (lib.types.submodule { freeform = lib'.types.alias; });
+        freeform = lib.types.packages;
 
-        options.cross = lib.attrs.generate doubles (
-          system:
-          lib.options.create {
-            description = "The cross-compiled package set for the ${system} target.";
-            type = lib'.types.packages;
-            default = { };
-          }
-        );
+        options = {
+          cross = lib.attrs.generate doubles (
+            system:
+            lib.options.create {
+              description = "The cross-compiled package set for the ${system} target.";
+              type = lib.types.packages;
+              default.value = { };
+            }
+          );
+
+          # NOTE: We may offer a way to set default context values. For this reason we have
+          # nested `options` under `context` rather than using a plain option directly under `packages`.
+          context.options = lib.options.create {
+            description = "The available options for package contexts.";
+            default.value = { };
+            type = lib.types.attrs.of lib.types.option;
+          };
+        };
       };
     };
 
@@ -40,54 +53,37 @@ in
     };
   };
 
-  config.packages.cross = lib.attrs.generate doubles (
-    system:
-    builtins.mapAttrs (
-      namespace:
-      builtins.mapAttrs (
-        name: alias:
-        let
-          setHost =
-            package:
-            if package != { } then
-              (package.extend (
-                { config }:
-                {
-                  config = {
-                    platform = {
-                      host = lib.modules.overrides.force system;
-                      target = lib.modules.overrides.default system;
-                    };
-
-                    deps = {
-                      build = {
-                        only = setHost package.deps.build.only;
-                        build = setHost package.deps.build.build;
-                        host = setHost package.deps.build.host;
-                        target = setHost package.deps.build.target;
-                      };
-                      host = {
-                        only = setHost package.deps.host.only;
-                        host = setHost package.deps.host.host;
-                        target = setHost package.deps.host.target;
-                      };
-                      target = {
-                        only = setHost package.deps.target.only;
-                        target = setHost package.deps.target.target;
-                      };
-                    };
+  config = {
+    packages.cross = lib.attrs.generate doubles (
+      system:
+      builtins.mapAttrs
+        (
+          namespace:
+          builtins.mapAttrs (
+            name: alias:
+              let
+                setHost =
+                  package:
+                  package
+                  // {
+                    __modules__ = package.__modules__ ++ [
+                      {
+                        config.platform = {
+                          host = lib.modules.override 5 system;
+                          target = lib.modules.override 5 system;
+                        };
+                      }
+                    ];
                   };
-                }
-              )).config
-            else
-              package;
 
-          updated = alias // {
-            versions = builtins.mapAttrs (version: package: setHost package) alias.versions;
-          };
-        in
-        updated
-      )
-    ) packages
-  );
+                updated = alias // {
+                  versions = builtins.mapAttrs (version: package: setHost package) alias.versions;
+                };
+              in
+              updated
+          )
+        )
+        packages
+    );
+  };
 }

tidepool/src/packages/foundation/binutils/default.nix

@@ -11,13 +11,14 @@ let
     # These are the upstream foundational packages exported from the Aux Foundation project.
 
     foundation
+    packages
     ;
 in
 {
   config.packages.foundation.binutils = {
     versions = {
       "latest" =
-        { config, meta }:
+        { config }:
         {
           options = {
             src = lib.options.create {
@@ -36,9 +37,17 @@ in
 
             builder = builders.basic;
 
+            deps = {
+              build = {
+                host = {
+                  inherit (packages.foundation) gcc;
+                };
+              };
+            };
+
             env = {
               PATH = lib.paths.bin [
-                foundation.stage2-gcc
+                # foundation.stage2-gcc
                 foundation.stage2-binutils
                 foundation.stage2-gnumake
                 foundation.stage2-gnupatch
@@ -86,24 +95,24 @@ in
                 ];
               in
               {
-                unpack = lib.dag.entry.before [ "patch" ] ''
+                unpack = ''
                   tar xf ${config.src}
                   cd binutils-${config.version}
                 '';
 
-                patch = lib.dag.entry.between [ "configure" ] [ "unpack" ] ''
+                patch = ''
                   ${lib.strings.concatMapSep "\n" (file: "patch -Np1 -i ${file}") patches}
                 '';
 
-                configure = lib.dag.entry.between [ "build" ] [ "patch" ] ''
+                configure = ''
                   bash ./configure ${builtins.concatStringsSep " " configureFlags}
                 '';
 
-                build = lib.dag.entry.between [ "install" ] [ "configure" ] ''
+                build = ''
                   make -j $NIX_BUILD_CORES
                 '';
 
-                install = lib.dag.entry.after [ "build" ] ''
+                install = ''
                   make -j $NIX_BUILD_CORES install-strip
                 '';
               };

tidepool/src/packages/foundation/default.nix

@@ -9,6 +9,8 @@
     ./gcc
     ./binutils
     ./linux-headers
+    ./glibc
+    # ./xz
   ];
 
   config = {

tidepool/src/packages/foundation/gcc/default.nix

@@ -1,19 +1,23 @@
-{
-  lib,
-  lib',
-  config,
-  options,
-}:
+{ config, options }:
 let
   inherit (config)
+    lib
     mirrors
     builders
     # These are the upstream foundational packages exported from the Aux Foundation project.
 
     foundation
+    packages
     ;
 in
 {
+  config.packages.context.options = {
+    "foundation:cflags" = lib.options.create {
+      type = lib.types.list.of lib.types.string;
+      default.value = [ ];
+    };
+  };
+
   config.packages.foundation.gcc = {
     versions = {
       "latest" =
@@ -91,51 +95,30 @@ in
             builder = builders.basic;
 
             env = {
-              PATH =
-                let
-                  gcc =
-                    if
-                      config.platform.build.triple == config.platform.host.triple
-                    # If we're on the same system then we can use the existing GCC instance.
-                    then
-                      foundation.stage2-gcc
-                    # Otherwise we are going to need a cross-compiler.
-                    else
-                      # TODO: Create a gcc-cross package.
-                      (meta.extend (args: {
-                        config = {
-                          platform = {
-                            build = config.platform.build.triple;
-                            host = config.platform.build.triple;
-                            target = lib.modules.override.force config.platform.host.triple;
-                          };
-                        };
-                      })).config.package;
-                in
-                lib.paths.bin [
-                  foundation.stage2-gcc
-                  foundation.stage2-binutils
-                  foundation.stage2-gnumake
-                  foundation.stage2-gnused
-                  foundation.stage2-gnugrep
-                  foundation.stage2-gawk
-                  foundation.stage2-diffutils
-                  foundation.stage2-findutils
-                  foundation.stage2-gnutar
-                  foundation.stage2-gzip
-                  foundation.stage2-bzip2
-                  foundation.stage1-xz
-                ];
+              PATH = lib.paths.bin [
+                foundation.stage2-gcc
+                foundation.stage2-binutils
+                foundation.stage2-gnumake
+                foundation.stage2-gnused
+                foundation.stage2-gnugrep
+                foundation.stage2-gawk
+                foundation.stage2-diffutils
+                foundation.stage2-findutils
+                foundation.stage2-gnutar
+                foundation.stage2-gzip
+                foundation.stage2-bzip2
+                foundation.stage1-xz
+              ];
             };
 
             phases =
               let
-                host = lib'.systems.withBuildInfo config.platform.host;
+                host = lib.systems.withBuildInfo config.platform.host;
 
                 mbits = if host.system.cpu.family == "x86" then if host.is64bit then "-m64" else "-m32" else "";
               in
               {
-                unpack = lib.dag.entry.before [ "patch" ] ''
+                unpack = ''
                   # Unpack
                   tar xf ${config.src}
                   tar xf ${config.gmp.src}
@@ -150,17 +133,15 @@ in
                   ln -s ../isl-${config.isl.version} isl
                 '';
 
-                patch = lib.dag.entry.between [ "configure" ] [ "unpack" ] ''
+                patch = ''
                   # Patch
                   # force musl even if host triple is gnu
                   sed -i 's|"os/gnu-linux"|"os/generic"|' libstdc++-v3/configure.host
                 '';
 
-                configure = lib.dag.entry.between [ "build" ] [ "patch" ] ''
+                configure = ''
                   # Configure
-                  export CC="gcc -Wl,-dynamic-linker -march=${
-                    host.gcc.arch or host.system.cpu.family
-                  } ${mbits} -Wl,${foundation.stage1-musl}/lib/libc.so"
+                  export CC="gcc -Wl,-dynamic-linker -Wl,${foundation.stage1-musl}/lib/libc.so"
                   export CXX="g++ -Wl,-dynamic-linker -Wl,${foundation.stage1-musl}/lib/libc.so"
                   export CFLAGS_FOR_TARGET="-Wl,-dynamic-linker -Wl,${foundation.stage1-musl}/lib/libc.so"
                   export LIBRARY_PATH="${foundation.stage1-musl}/lib"
@@ -182,12 +163,12 @@ in
                     CXXFLAGS=-static
                 '';
 
-                build = lib.dag.entry.between [ "install" ] [ "configure" ] ''
+                build = ''
                   # Build
                   make -j $NIX_BUILD_CORES
                 '';
 
-                install = lib.dag.entry.after [ "build" ] ''
+                install = ''
                   # Install
                   make -j $NIX_BUILD_CORES install-strip
                 '';

tidepool/src/packages/foundation/glibc/default.nix

@@ -79,12 +79,12 @@ in
             };
 
             phases = {
-              unpack = lib.dag.entry.before [ "patch" ] ''
+              unpack = ''
                 tar xf ${config.src}
                 cd glibc-${config.version}
               '';
 
-              configure = lib.dag.entry.between [ "build" ] [ "patch" ] ''
+              configure = ''
                 mkdir build
                 cd build
                 # libstdc++.so is built against musl and fails to link
@@ -96,12 +96,12 @@ in
                   --with-headers=${foundation.stage1-linux-headers}/include
               '';
 
-              build = lib.dag.entry.between [ "install" ] [ "configure" ] ''
+              build = ''
                 # Build
                 make -j $NIX_BUILD_CORES
               '';
 
-              install = lib.dag.entry.after [ "build" ] ''
+              install = ''
                 # Install
                 make -j $NIX_BUILD_CORES install-strip
               '';

tidepool/src/packages/foundation/linux-headers/default.nix

@@ -54,20 +54,16 @@ in
             };
 
             phases = {
-              unpack = lib.dag.entry.before [ "patch" ] ''
+              unpack = ''
                 tar xf ${config.src}
                 cd linux-${config.version}
               '';
 
-              patch = lib.dag.entry.between [ "configure" ] [ "unpack" ] '''';
-
-              configure = lib.dag.entry.between [ "build" ] [ "patch" ] '''';
-
-              build = lib.dag.entry.between [ "install" ] [ "configure" ] ''
+              build = ''
                 make -j $NIX_BUILD_CORES CC=musl-gcc HOSTCC=musl-gcc ARCH=${config.platform.host.linux.arch} headers
               '';
 
-              install = lib.dag.entry.after [ "build" ] ''
+              install = ''
                 find usr/include -name '.*' -exec rm {} +
                 mkdir -p $out
                 cp -rv usr/include $out/