295 lines
11 KiB
Nix
295 lines
11 KiB
Nix
{ pkgs ? import ../../.. {} }:
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let
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libc = pkgs.stdenv.cc.libc;
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patchelf = pkgs.patchelf.overrideAttrs(previousAttrs: {
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NIX_CFLAGS_COMPILE = (previousAttrs.NIX_CFLAGS_COMPILE or []) ++ [ "-static-libgcc" "-static-libstdc++" ];
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NIX_CFLAGS_LINK = (previousAttrs.NIX_CFLAGS_LINK or []) ++ [ "-static-libgcc" "-static-libstdc++" ];
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});
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in with pkgs; rec {
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coreutilsMinimal = coreutils.override (args: {
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# We want coreutils without ACL/attr support.
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aclSupport = false;
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attrSupport = false;
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# Our tooling currently can't handle scripts in bin/, only ELFs and symlinks.
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singleBinary = "symlinks";
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});
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tarMinimal = gnutar.override { acl = null; };
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busyboxMinimal = busybox.override {
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useMusl = lib.meta.availableOn stdenv.hostPlatform musl;
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enableStatic = true;
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enableMinimal = true;
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extraConfig = ''
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CONFIG_ASH y
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CONFIG_ASH_ECHO y
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CONFIG_ASH_TEST y
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CONFIG_ASH_OPTIMIZE_FOR_SIZE y
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CONFIG_MKDIR y
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CONFIG_TAR y
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CONFIG_UNXZ y
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'';
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};
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bootGCC = gcc.cc.override { enableLTO = false; };
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bootBinutils = binutils.bintools.override {
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withAllTargets = false;
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# Don't need two linkers, disable whatever's not primary/default.
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enableGold = false;
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# bootstrap is easier w/static
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enableShared = false;
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};
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build =
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let
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# ${libc.src}/sysdeps/unix/sysv/linux/loongarch/lp64/libnsl.abilist does not exist!
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withLibnsl = !stdenv.hostPlatform.isLoongArch64;
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in
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stdenv.mkDerivation {
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name = "stdenv-bootstrap-tools";
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meta = {
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# Increase priority to unblock nixpkgs-unstable
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# https://github.com/NixOS/nixpkgs/pull/104679#issuecomment-732267288
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schedulingPriority = 200;
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};
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nativeBuildInputs = [ buildPackages.nukeReferences buildPackages.cpio ];
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buildCommand = ''
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set -x
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mkdir -p $out/bin $out/lib $out/libexec
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'' + (if (stdenv.hostPlatform.libc == "glibc") then ''
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# Copy what we need of Glibc.
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cp -d ${libc.out}/lib/ld*.so* $out/lib
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cp -d ${libc.out}/lib/libc*.so* $out/lib
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cp -d ${libc.out}/lib/libc_nonshared.a $out/lib
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cp -d ${libc.out}/lib/libm*.so* $out/lib
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cp -d ${libc.out}/lib/libdl*.so* $out/lib
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cp -d ${libc.out}/lib/librt*.so* $out/lib
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cp -d ${libc.out}/lib/libpthread*.so* $out/lib
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'' + lib.optionalString withLibnsl ''
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cp -d ${libc.out}/lib/libnsl*.so* $out/lib
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'' + ''
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cp -d ${libc.out}/lib/libutil*.so* $out/lib
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cp -d ${libc.out}/lib/libnss*.so* $out/lib
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cp -d ${libc.out}/lib/libresolv*.so* $out/lib
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# Copy all runtime files to enable non-PIE, PIE, static PIE and profile-generated builds
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cp -d ${libc.out}/lib/*.o $out/lib
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# Hacky compat with our current unpack-bootstrap-tools.sh
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ln -s librt.so "$out"/lib/librt-dummy.so
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cp -rL ${libc.dev}/include $out
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chmod -R u+w "$out"
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# libc can contain linker scripts: find them, copy their deps,
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# and get rid of absolute paths (nuke-refs would make them useless)
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local lScripts=$(grep --files-with-matches --max-count=1 'GNU ld script' -R "$out/lib")
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cp -d -t "$out/lib/" $(cat $lScripts | tr " " "\n" | grep -F '${libc.out}' | sort -u)
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for f in $lScripts; do
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substituteInPlace "$f" --replace '${libc.out}/lib/' ""
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done
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# Hopefully we won't need these.
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rm -rf $out/include/mtd $out/include/rdma $out/include/sound $out/include/video
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find $out/include -name .install -exec rm {} \;
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find $out/include -name ..install.cmd -exec rm {} \;
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mv $out/include $out/include-glibc
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'' else if (stdenv.hostPlatform.libc == "musl") then ''
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# Copy what we need from musl
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cp ${libc.out}/lib/* $out/lib
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cp -rL ${libc.dev}/include $out
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chmod -R u+w "$out"
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rm -rf $out/include/mtd $out/include/rdma $out/include/sound $out/include/video
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find $out/include -name .install -exec rm {} \;
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find $out/include -name ..install.cmd -exec rm {} \;
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mv $out/include $out/include-libc
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'' else throw "unsupported libc for bootstrap tools")
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+ ''
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# Copy coreutils, bash, etc.
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cp -d ${coreutilsMinimal.out}/bin/* $out/bin
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(cd $out/bin && rm vdir dir sha*sum pinky factor pathchk runcon shuf who whoami shred users)
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cp ${bash.out}/bin/bash $out/bin
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cp ${findutils.out}/bin/find $out/bin
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cp ${findutils.out}/bin/xargs $out/bin
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cp -d ${diffutils.out}/bin/* $out/bin
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cp -d ${gnused.out}/bin/* $out/bin
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cp -d ${gnugrep.out}/bin/grep $out/bin
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cp ${gawk.out}/bin/gawk $out/bin
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cp -d ${gawk.out}/bin/awk $out/bin
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cp ${tarMinimal.out}/bin/tar $out/bin
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cp ${gzip.out}/bin/.gzip-wrapped $out/bin/gzip
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cp ${bzip2.bin}/bin/bzip2 $out/bin
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cp -d ${gnumake.out}/bin/* $out/bin
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cp -d ${patch}/bin/* $out/bin
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cp ${patchelf}/bin/* $out/bin
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cp -d ${gnugrep.pcre2.out}/lib/libpcre2*.so* $out/lib # needed by grep
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# Copy what we need of GCC.
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cp -d ${bootGCC.out}/bin/gcc $out/bin
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cp -d ${bootGCC.out}/bin/cpp $out/bin
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cp -d ${bootGCC.out}/bin/g++ $out/bin
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cp ${bootGCC.lib}/lib/libgcc_s.so* $out/lib
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cp -d ${bootGCC.lib}/lib/libstdc++.so* $out/lib
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cp -d ${bootGCC.out}/lib/libssp.a* $out/lib
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cp -d ${bootGCC.out}/lib/libssp_nonshared.a $out/lib
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cp -rd ${bootGCC.out}/lib/gcc $out/lib
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chmod -R u+w $out/lib
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rm -f $out/lib/gcc/*/*/include*/linux
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rm -f $out/lib/gcc/*/*/include*/sound
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rm -rf $out/lib/gcc/*/*/include*/root
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rm -f $out/lib/gcc/*/*/include-fixed/asm
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rm -rf $out/lib/gcc/*/*/plugin
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#rm -f $out/lib/gcc/*/*/*.a
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cp -rd ${bootGCC.out}/libexec/* $out/libexec
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chmod -R u+w $out/libexec
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rm -rf $out/libexec/gcc/*/*/plugin
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mkdir -p $out/include
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cp -rd ${bootGCC.out}/include/c++ $out/include
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chmod -R u+w $out/include
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rm -rf $out/include/c++/*/ext/pb_ds
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rm -rf $out/include/c++/*/ext/parallel
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cp -d ${gmpxx.out}/lib/libgmp*.so* $out/lib
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cp -d ${isl.out}/lib/libisl*.so* $out/lib
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cp -d ${mpfr.out}/lib/libmpfr*.so* $out/lib
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cp -d ${libmpc.out}/lib/libmpc*.so* $out/lib
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cp -d ${zlib.out}/lib/libz.so* $out/lib
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'' + lib.optionalString (stdenv.hostPlatform.isRiscV) ''
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# libatomic is required on RiscV platform for C/C++ atomics and pthread
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# even though they may be translated into native instructions.
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cp -d ${bootGCC.out}/lib/libatomic.a* $out/lib
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'' + ''
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cp -d ${bzip2.out}/lib/libbz2.so* $out/lib
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# Copy binutils.
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for i in as ld ar ranlib nm strip readelf objdump; do
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cp ${bootBinutils.out}/bin/$i $out/bin
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done
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cp -r '${lib.getLib binutils.bintools}'/lib/* "$out/lib/"
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chmod -R u+w $out
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# Strip executables even further.
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for i in $out/bin/* $out/libexec/gcc/*/*/*; do
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if test -x $i -a ! -L $i; then
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chmod +w $i
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$STRIP -s $i || true
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fi
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done
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nuke-refs $out/bin/*
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nuke-refs $out/lib/*
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nuke-refs $out/lib/*/*
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nuke-refs $out/libexec/gcc/*/*/*
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nuke-refs $out/lib/gcc/*/*/*
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nuke-refs $out/lib/gcc/*/*/include-fixed/*{,/*}
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mkdir $out/.pack
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mv $out/* $out/.pack
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mv $out/.pack $out/pack
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mkdir $out/on-server
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XZ_OPT="-9 -e" tar cvJf $out/on-server/bootstrap-tools.tar.xz --hard-dereference --sort=name --numeric-owner --owner=0 --group=0 --mtime=@1 -C $out/pack .
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cp ${busyboxMinimal}/bin/busybox $out/on-server
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chmod u+w $out/on-server/busybox
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nuke-refs $out/on-server/busybox
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''; # */
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# The result should not contain any references (store paths) so
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# that we can safely copy them out of the store and to other
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# locations in the store.
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allowedReferences = [];
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};
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bootstrapFiles = {
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# Make them their own store paths to test that busybox still works when the binary is named /nix/store/HASH-busybox
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busybox = runCommand "busybox" {} "cp ${build}/on-server/busybox $out";
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bootstrapTools = runCommand "bootstrap-tools.tar.xz" {} "cp ${build}/on-server/bootstrap-tools.tar.xz $out";
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};
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bootstrapTools =
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let extraAttrs = lib.optionalAttrs
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config.contentAddressedByDefault
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{
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__contentAddressed = true;
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outputHashAlgo = "sha256";
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outputHashMode = "recursive";
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};
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in
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if (stdenv.hostPlatform.libc == "glibc") then
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import ./bootstrap-tools {
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inherit (stdenv.buildPlatform) system; # Used to determine where to build
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inherit bootstrapFiles extraAttrs;
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}
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else if (stdenv.hostPlatform.libc == "musl") then
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import ./bootstrap-tools-musl {
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inherit (stdenv.buildPlatform) system; # Used to determine where to build
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inherit bootstrapFiles extraAttrs;
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}
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else throw "unsupported libc";
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test = derivation {
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name = "test-bootstrap-tools";
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inherit (stdenv.hostPlatform) system; # We cannot "cross test"
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builder = bootstrapFiles.busybox;
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args = [ "ash" "-e" "-c" "eval \"$buildCommand\"" ];
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buildCommand = ''
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export PATH=${bootstrapTools}/bin
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ls -l
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mkdir $out
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mkdir $out/bin
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sed --version
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find --version
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diff --version
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patch --version
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make --version
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awk --version
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grep --version
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gcc --version
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'' + lib.optionalString (stdenv.hostPlatform.libc == "glibc") ''
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rtld=$(echo ${bootstrapTools}/lib/${builtins.unsafeDiscardStringContext /* only basename */ (builtins.baseNameOf binutils.dynamicLinker)})
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libc_includes=${bootstrapTools}/include-glibc
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'' + lib.optionalString (stdenv.hostPlatform.libc == "musl") ''
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rtld=$(echo ${bootstrapTools}/lib/ld-musl*.so.?)
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libc_includes=${bootstrapTools}/include-libc
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'' + ''
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# path to version-specific libraries, like libstdc++.so
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cxx_libs=$(echo ${bootstrapTools}/lib/gcc/*/*)
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export CPP="cpp -idirafter $libc_includes -B${bootstrapTools}"
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export CC="gcc -idirafter $libc_includes -B${bootstrapTools} -Wl,-dynamic-linker,$rtld -Wl,-rpath,${bootstrapTools}/lib -Wl,-rpath,$cxx_libs"
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export CXX="g++ -idirafter $libc_includes -B${bootstrapTools} -Wl,-dynamic-linker,$rtld -Wl,-rpath,${bootstrapTools}/lib -Wl,-rpath,$cxx_libs"
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echo '#include <stdio.h>' >> foo.c
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echo '#include <limits.h>' >> foo.c
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echo 'int main() { printf("Hello World\\n"); return 0; }' >> foo.c
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$CC -o $out/bin/foo foo.c
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$out/bin/foo
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echo '#include <iostream>' >> bar.cc
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echo 'int main() { std::cout << "Hello World\\n"; }' >> bar.cc
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$CXX -v -o $out/bin/bar bar.cc
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$out/bin/bar
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tar xvf ${hello.src}
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cd hello-*
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./configure --prefix=$out
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make
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make install
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'';
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};
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}
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