core/pkgs/top-level/base-packages.nix

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2024-05-02 00:46:19 +00:00
/* The top-level package collection of nixpkgs.
* It is sorted by categories corresponding to the folder names in the /pkgs
* folder. Inside the categories packages are roughly sorted by alphabet, but
* strict sorting has been long lost due to merges. Please use the full-text
* search of your editor. ;)
* Hint: ### starts category names.
*/
{ lib, noSysDirs, config, overlays }:
res: pkgs: super:
with pkgs;
{
# A module system style type tag
#
# Allows the nixpkgs fixpoint, usually known as `pkgs` to be distinguished
# nominally.
#
# pkgs._type == "pkgs"
# pkgs.pkgsStatic._type == "pkgs"
#
# Design note:
# While earlier stages of nixpkgs fixpoint construction are supertypes of this
# stage, they're generally not usable in places where a `pkgs` is expected.
# (earlier stages being the various `super` variables that precede
# all-packages.nix)
_type = "pkgs";
# A stdenv capable of building 32-bit binaries.
# On x86_64-linux, it uses GCC compiled with multilib support; on i686-linux,
# it's just the plain stdenv.
stdenv_32bit = lowPrio (if stdenv.hostPlatform.is32bit then stdenv else multiStdenv);
stdenvNoCC = stdenv.override (
{ cc = null; hasCC = false; }
// lib.optionalAttrs (stdenv.hostPlatform.isDarwin && (stdenv.hostPlatform != stdenv.buildPlatform)) {
# TODO: This is a hack to use stdenvNoCC to produce a CF when cross
# compiling. It's not very sound. The cross stdenv has:
# extraBuildInputs = [ targetPackages.darwin.apple_sdks.frameworks.CoreFoundation ]
# and uses stdenvNoCC. In order to make this not infinitely recursive, we
# need to exclude this extraBuildInput.
extraBuildInputs = [ ];
}
);
mkStdenvNoLibs = stdenv:
let
bintools = stdenv.cc.bintools.override {
libc = null;
noLibc = true;
};
in
stdenv.override {
cc = stdenv.cc.override {
libc = null;
noLibc = true;
extraPackages = [ ];
inherit bintools;
};
allowedRequisites =
lib.mapNullable (rs: rs ++ [ bintools ]) (stdenv.allowedRequisites or null);
};
stdenvNoLibs =
if stdenv.hostPlatform != stdenv.buildPlatform && (stdenv.hostPlatform.isDarwin || stdenv.hostPlatform.useLLVM or false)
then
# We cannot touch binutils or cc themselves, because that will cause
# infinite recursion. So instead, we just choose a libc based on the
# current platform. That means we won't respect whatever compiler was
# passed in with the stdenv stage argument.
#
# TODO It would be much better to pass the `stdenvNoCC` and *unwrapped*
# cc, bintools, compiler-rt equivalent, etc. and create all final stdenvs
# as part of the stage. Then we would never be tempted to override a later
# thing to to create an earlier thing (leading to infinite recursion) and
# we also would still respect the stage arguments choices for these
# things.
overrideCC stdenv buildPackages.llvmPackages.clangNoCompilerRt
else mkStdenvNoLibs stdenv;
gccStdenvNoLibs = mkStdenvNoLibs gccStdenv;
clangStdenvNoLibs = mkStdenvNoLibs clangStdenv;
# For convenience, allow callers to get the path to Nixpkgs.
path = ../..;
### Helper functions.
inherit lib config overlays;
# do not import 'appendToName' to get consistent package-names with the same
# set of package-parameters: https://github.com/NixOS/nixpkgs/issues/68519
inherit (lib) lowPrio hiPrio makeOverridable;
inherit (lib) recurseIntoAttrs;
# This is intended to be the reverse of recurseIntoAttrs, as it is
# defined now it exists mainly for documentation purposes, but you
# can also override this with recurseIntoAttrs to recurseInto all
# the Attrs which is useful for testing massive changes. Ideally,
# every package subset not marked with recurseIntoAttrs should be
# marked with this.
inherit (lib) dontRecurseIntoAttrs;
stringsWithDeps = lib.stringsWithDeps;
### Evaluating the entire Nixpkgs naively will fail, make failure fast
AAAAAASomeThingsFailToEvaluate = throw ''
Please be informed that this pseudo-package is not the only part
of Nixpkgs that fails to evaluate. You should not evaluate
entire Nixpkgs without some special measures to handle failing
packages, like using pkgs/top-level/release-attrpaths-superset.nix.
'';
tests = callPackages ../test { };
# These are used when buiding compiler-rt / libgcc, prior to building libc.
preLibcCrossHeaders =
let
inherit (stdenv.targetPlatform) libc;
in
if stdenv.targetPlatform.isMinGW then targetPackages.windows.mingw_w64_headers or windows.mingw_w64_headers
else if libc == "nblibc" then targetPackages.netbsdCross.headers or netbsdCross.headers
else if libc == "libSystem" && stdenv.targetPlatform.isAarch64 then targetPackages.darwin.LibsystemCross or darwin.LibsystemCross
else null;
# We can choose:
libcCrossChooser = name:
# libc is hackily often used from the previous stage. This `or`
# hack fixes the hack, *sigh*.
/**/
if name == null then null
else if name == "glibc" then targetPackages.glibcCross or glibcCross
else if name == "bionic" then targetPackages.bionic or bionic
else if name == "uclibc" then targetPackages.uclibcCross or uclibcCross
else if name == "avrlibc" then targetPackages.avrlibcCross or avrlibcCross
else if name == "newlib" && stdenv.targetPlatform.isMsp430 then targetPackages.msp430NewlibCross or msp430NewlibCross
else if name == "newlib" && stdenv.targetPlatform.isVc4 then targetPackages.vc4-newlib or vc4-newlib
else if name == "newlib" && stdenv.targetPlatform.isOr1k then targetPackages.or1k-newlib or or1k-newlib
else if name == "newlib" then targetPackages.newlibCross or newlibCross
else if name == "newlib-nano" then targetPackages.newlib-nanoCross or newlib-nanoCross
else if name == "musl" then targetPackages.muslCross or muslCross
else if name == "msvcrt" then targetPackages.windows.mingw_w64 or windows.mingw_w64
else if name == "ucrt" then targetPackages.windows.mingw_w64 or windows.mingw_w64
else if name == "libSystem" then
if stdenv.targetPlatform.useiOSPrebuilt
then targetPackages.darwin.iosSdkPkgs.libraries or darwin.iosSdkPkgs.libraries
else targetPackages.darwin.LibsystemCross or (throw "don't yet have a `targetPackages.darwin.LibsystemCross for ${stdenv.targetPlatform.config}`")
else if name == "fblibc" then targetPackages.freebsdCross.libc or freebsdCross.libc
else if name == "nblibc" then targetPackages.netbsdCross.libc or netbsdCross.libc
else if name == "wasilibc" then targetPackages.wasilibc or wasilibc
else if name == "relibc" then targetPackages.relibc or relibc
else throw "Unknown libc ${name}";
libcCross = assert stdenv.targetPlatform != stdenv.buildPlatform; libcCrossChooser stdenv.targetPlatform.libc;
threadsCross = threadsCrossFor null;
threadsCrossFor = cc_version:
lib.optionalAttrs (stdenv.targetPlatform.isMinGW && !(stdenv.targetPlatform.useLLVM or false)) {
# other possible values: win32 or posix
model = "mcf";
# For win32 or posix set this to null
package =
if cc_version == null || lib.versionAtLeast cc_version "13"
then targetPackages.windows.mcfgthreads or windows.mcfgthreads
else targetPackages.windows.mcfgthreads_pre_gcc_13 or windows.mcfgthreads_pre_gcc_13;
};
multiStdenv = if stdenv.cc.isClang then clangMultiStdenv else gccMultiStdenv;
crossLibcStdenv =
if stdenv.hostPlatform.useLLVM or false || stdenv.hostPlatform.isDarwin
then overrideCC stdenv buildPackages.llvmPackages.clangNoLibc
else gccCrossLibcStdenv;
runtimeShell = "${runtimeShellPackage}${runtimeShellPackage.shellPath}";
runtimeShellPackage = bash;
}