mirror of
https://github.com/NixOS/nixpkgs.git
synced 2025-06-10 19:55:41 +03:00
5c1955ff14
We have a long-standing goal of nothing with "cross" in its name. This gets us much closer!
492 lines
14 KiB
Nix
492 lines
14 KiB
Nix
{
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lib,
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stdenv,
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targetPackages,
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fetchurl,
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fetchpatch,
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noSysDirs,
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langC ? true,
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langCC ? true,
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langFortran ? false,
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langAda ? false,
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langObjC ? stdenv.targetPlatform.isDarwin,
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langObjCpp ? stdenv.targetPlatform.isDarwin,
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langD ? false,
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langGo ? false,
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reproducibleBuild ? true,
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profiledCompiler ? false,
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langJit ? false,
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langRust ? false,
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cargo,
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staticCompiler ? false,
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enableShared ? stdenv.targetPlatform.hasSharedLibraries,
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enableLTO ? stdenv.hostPlatform.hasSharedLibraries,
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texinfo ? null,
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perl ? null, # optional, for texi2pod (then pod2man)
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gmp,
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mpfr,
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libmpc,
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gettext,
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which,
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patchelf,
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binutils,
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isl ? null, # optional, for the Graphite optimization framework.
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zlib ? null,
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libucontext ? null,
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gnat-bootstrap ? null,
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enableMultilib ? false,
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enablePlugin ? (lib.systems.equals stdenv.hostPlatform stdenv.buildPlatform), # Whether to support user-supplied plug-ins
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name ? "gcc",
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libcCross ? null,
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threadsCross ? { }, # for MinGW
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withoutTargetLibc ? false,
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flex,
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gnused ? null,
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buildPackages,
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pkgsBuildTarget,
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libxcrypt,
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disableGdbPlugin ?
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!enablePlugin
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|| (stdenv.targetPlatform.isAvr && stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64),
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nukeReferences,
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callPackage,
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majorMinorVersion,
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apple-sdk,
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cctools,
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darwin,
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}:
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let
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inherit (lib)
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callPackageWith
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filter
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getBin
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maintainers
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makeLibraryPath
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makeSearchPathOutput
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mapAttrs
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optional
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optionalAttrs
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optionals
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optionalString
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pipe
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platforms
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versionAtLeast
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versions
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;
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gccVersions = import ./versions.nix;
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version = gccVersions.fromMajorMinor majorMinorVersion;
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majorVersion = versions.major version;
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atLeast14 = versionAtLeast version "14";
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atLeast13 = versionAtLeast version "13";
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atLeast12 = versionAtLeast version "12";
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atLeast11 = versionAtLeast version "11";
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atLeast10 = versionAtLeast version "10";
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is14 = majorVersion == "14";
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is13 = majorVersion == "13";
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is12 = majorVersion == "12";
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is11 = majorVersion == "11";
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is10 = majorVersion == "10";
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is9 = majorVersion == "9";
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# releases have a form: MAJOR.MINOR.MICRO, like 14.2.1
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# snapshots have a form like MAJOR.MINOR.MICRO.DATE, like 14.2.1.20250322
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isSnapshot = lib.length (lib.splitVersion version) == 4;
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# return snapshot date of gcc's given version:
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# "14.2.1.20250322" -> "20250322"
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# "14.2.0" -> ""
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snapDate = lib.concatStrings (lib.drop 3 (lib.splitVersion version));
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# return base version without a snapshot:
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# "14.2.1.20250322" -> "14.2.1"
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# "14.2.0" -> "14.2.0"
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baseVersion = lib.concatStringsSep "." (lib.take 3 (lib.splitVersion version));
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disableBootstrap = atLeast11 && !stdenv.hostPlatform.isDarwin && (atLeast12 -> !profiledCompiler);
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inherit (stdenv) buildPlatform hostPlatform targetPlatform;
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targetConfig =
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if (!lib.systems.equals targetPlatform hostPlatform) then targetPlatform.config else null;
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patches = callFile ./patches { };
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# Cross-gcc settings (build == host != target)
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crossMingw = (!lib.systems.equals targetPlatform hostPlatform) && targetPlatform.isMinGW;
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stageNameAddon = optionalString withoutTargetLibc "-nolibc";
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crossNameAddon = optionalString (
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!lib.systems.equals targetPlatform hostPlatform
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) "${targetPlatform.config}${stageNameAddon}-";
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callFile = callPackageWith {
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# lets
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inherit
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majorVersion
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isSnapshot
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version
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buildPlatform
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hostPlatform
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targetPlatform
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targetConfig
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patches
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crossMingw
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stageNameAddon
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crossNameAddon
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;
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# inherit generated with 'nix eval --json --impure --expr "with import ./. {}; lib.attrNames (lib.functionArgs gcc${majorVersion}.cc.override)" | jq '.[]' --raw-output'
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inherit
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apple-sdk
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binutils
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buildPackages
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cargo
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withoutTargetLibc
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darwin
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disableBootstrap
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disableGdbPlugin
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enableLTO
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enableMultilib
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enablePlugin
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enableShared
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fetchpatch
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fetchurl
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flex
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gettext
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gmp
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gnat-bootstrap
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gnused
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isl
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langAda
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langC
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langCC
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langD
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langFortran
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langGo
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langJit
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langObjC
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langObjCpp
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langRust
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lib
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libcCross
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libmpc
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libucontext
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libxcrypt
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mpfr
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name
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noSysDirs
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nukeReferences
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patchelf
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perl
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pkgsBuildTarget
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profiledCompiler
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reproducibleBuild
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staticCompiler
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stdenv
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targetPackages
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texinfo
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threadsCross
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which
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zlib
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;
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};
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in
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# Make sure we get GNU sed.
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assert stdenv.buildPlatform.isDarwin -> gnused != null;
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# The go frontend is written in c++
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assert langGo -> langCC;
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assert langAda -> gnat-bootstrap != null;
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# TODO: fixup D bootstrapping, probably by using gdc11 (and maybe other changes).
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# error: GDC is required to build d
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assert atLeast12 -> !langD;
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# threadsCross is just for MinGW
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assert threadsCross != { } -> stdenv.targetPlatform.isWindows;
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# profiledCompiler builds inject non-determinism in one of the compilation stages.
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# If turned on, we can't provide reproducible builds anymore
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assert reproducibleBuild -> profiledCompiler == false;
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pipe
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((callFile ./common/builder.nix { }) (
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{
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pname = "${crossNameAddon}${name}";
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# retain snapshot date in package version, but not in final version
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# as the version is frequently used to construct pathnames (at least
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# in cc-wrapper).
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name = "${crossNameAddon}${name}-${version}";
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version = baseVersion;
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src = fetchurl {
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url =
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if isSnapshot then
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"mirror://gcc/snapshots/${majorVersion}-${snapDate}/gcc-${majorVersion}-${snapDate}.tar.xz"
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else
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"mirror://gcc/releases/gcc-${version}/gcc-${version}.tar.xz";
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${if is10 || is11 || is13 then "hash" else "sha256"} = gccVersions.srcHashForVersion version;
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};
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inherit patches;
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outputs = [
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"out"
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"man"
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"info"
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] ++ optional (!langJit) "lib";
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setOutputFlags = false;
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libc_dev = stdenv.cc.libc_dev;
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hardeningDisable = [
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"format"
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"pie"
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"stackclashprotection"
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] ++ optionals (is11 && langAda) [ "fortify3" ];
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postPatch =
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''
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configureScripts=$(find . -name configure)
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for configureScript in $configureScripts; do
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patchShebangs $configureScript
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done
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# Make sure nixpkgs versioning match upstream one
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# to ease version-based comparisons.
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gcc_base_version=$(< gcc/BASE-VER)
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if [[ ${baseVersion} != $gcc_base_version ]]; then
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echo "Please update 'version' variable:"
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echo " Expected: '$gcc_base_version'"
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echo " Actual: '${version}'"
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exit 1
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fi
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''
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# This should kill all the stdinc frameworks that gcc and friends like to
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# insert into default search paths.
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+ optionalString hostPlatform.isDarwin ''
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substituteInPlace gcc/config/darwin-c.c${optionalString atLeast12 "c"} \
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--replace 'if (stdinc)' 'if (0)'
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substituteInPlace libgcc/config/t-slibgcc-darwin \
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--replace "-install_name @shlib_slibdir@/\$(SHLIB_INSTALL_NAME)" "-install_name ''${!outputLib}/lib/\$(SHLIB_INSTALL_NAME)"
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substituteInPlace libgfortran/configure \
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--replace "-install_name \\\$rpath/\\\$soname" "-install_name ''${!outputLib}/lib/\\\$soname"
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''
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+ (optionalString ((!lib.systems.equals targetPlatform hostPlatform) || stdenv.cc.libc != null)
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# On NixOS, use the right path to the dynamic linker instead of
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# `/lib/ld*.so'.
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(
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let
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libc = if libcCross != null then libcCross else stdenv.cc.libc;
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in
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(
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''
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echo "fixing the {GLIBC,UCLIBC,MUSL}_DYNAMIC_LINKER macros..."
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for header in "gcc/config/"*-gnu.h "gcc/config/"*"/"*.h
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do
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grep -q _DYNAMIC_LINKER "$header" || continue
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echo " fixing $header..."
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sed -i "$header" \
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-e 's|define[[:blank:]]*\([UCG]\+\)LIBC_DYNAMIC_LINKER\([0-9]*\)[[:blank:]]"\([^\"]\+\)"$|define \1LIBC_DYNAMIC_LINKER\2 "${libc.out}\3"|g' \
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-e 's|define[[:blank:]]*MUSL_DYNAMIC_LINKER\([0-9]*\)[[:blank:]]"\([^\"]\+\)"$|define MUSL_DYNAMIC_LINKER\1 "${libc.out}\2"|g'
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done
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''
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+ optionalString (targetPlatform.libc == "musl") ''
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sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
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''
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)
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)
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)
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+ optionalString targetPlatform.isAvr (''
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makeFlagsArray+=(
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'-s' # workaround for hitting hydra log limit
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'LIMITS_H_TEST=false'
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)
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'');
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inherit
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noSysDirs
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staticCompiler
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withoutTargetLibc
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libcCross
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crossMingw
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;
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inherit (callFile ./common/dependencies.nix { })
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depsBuildBuild
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nativeBuildInputs
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depsBuildTarget
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buildInputs
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depsTargetTarget
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;
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preConfigure =
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(callFile ./common/pre-configure.nix { })
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+ optionalString atLeast10 ''
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ln -sf ${libxcrypt}/include/crypt.h libsanitizer/sanitizer_common/crypt.h
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'';
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dontDisableStatic = true;
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configurePlatforms = [
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"build"
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"host"
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"target"
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];
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configureFlags = callFile ./common/configure-flags.nix { };
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inherit targetConfig;
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buildFlags =
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# we do not yet have Nix-driven profiling
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assert atLeast12 -> (profiledCompiler -> !disableBootstrap);
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if atLeast11 then
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let
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target =
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optionalString (profiledCompiler) "profiled"
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+ optionalString (
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(lib.systems.equals targetPlatform hostPlatform)
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&& (lib.systems.equals hostPlatform buildPlatform)
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&& !disableBootstrap
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) "bootstrap";
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in
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optional (target != "") target
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else
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optional (
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(lib.systems.equals targetPlatform hostPlatform) && (lib.systems.equals hostPlatform buildPlatform)
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) (if profiledCompiler then "profiledbootstrap" else "bootstrap");
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inherit (callFile ./common/strip-attributes.nix { })
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stripDebugList
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stripDebugListTarget
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preFixup
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;
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# https://gcc.gnu.org/PR109898
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enableParallelInstalling = false;
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env = mapAttrs (_: v: toString v) (
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{
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NIX_NO_SELF_RPATH = true;
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# https://gcc.gnu.org/install/specific.html#x86-64-x-solaris210
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${if hostPlatform.system == "x86_64-solaris" then "CC" else null} = "gcc -m64";
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# Setting $CPATH and $LIBRARY_PATH to make sure both `gcc' and `xgcc' find the
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# library headers and binaries, regardless of the language being compiled.
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#
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# The LTO code doesn't find zlib, so we just add it to $CPATH and
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# $LIBRARY_PATH in this case.
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#
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# Cross-compiling, we need gcc not to read ./specs in order to build the g++
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# compiler (after the specs for the cross-gcc are created). Having
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# LIBRARY_PATH= makes gcc read the specs from ., and the build breaks.
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CPATH = optionals (lib.systems.equals targetPlatform hostPlatform) (
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makeSearchPathOutput "dev" "include" ([ ] ++ optional (zlib != null) zlib)
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);
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LIBRARY_PATH = optionals (lib.systems.equals targetPlatform hostPlatform) (
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makeLibraryPath (optional (zlib != null) zlib)
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);
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NIX_LDFLAGS = optionalString hostPlatform.isSunOS "-lm";
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inherit (callFile ./common/extra-target-flags.nix { })
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EXTRA_FLAGS_FOR_TARGET
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EXTRA_LDFLAGS_FOR_TARGET
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;
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}
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//
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optionalAttrs (!atLeast12 && stdenv.cc.isClang && (!lib.systems.equals targetPlatform hostPlatform))
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{
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NIX_CFLAGS_COMPILE = "-Wno-register";
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}
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);
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passthru = {
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inherit
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langC
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langCC
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langObjC
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langObjCpp
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langAda
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langFortran
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langGo
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langD
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version
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;
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isGNU = true;
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hardeningUnsupportedFlags =
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optional (!atLeast11) "zerocallusedregs"
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++ optionals (!atLeast12) [
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"fortify3"
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"trivialautovarinit"
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]
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++ optional (
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!(targetPlatform.isLinux && targetPlatform.isx86_64 && targetPlatform.libc == "glibc")
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) "shadowstack"
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++ optional (!(targetPlatform.isLinux && targetPlatform.isAarch64)) "pacret"
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++ optionals (langFortran) [
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"fortify"
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"format"
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];
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};
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enableParallelBuilding = true;
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inherit enableShared enableMultilib;
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meta =
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{
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inherit (callFile ./common/meta.nix { })
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homepage
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license
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description
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longDescription
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platforms
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teams
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;
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}
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// optionalAttrs (!atLeast11) {
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badPlatforms = [ "aarch64-darwin" ];
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}
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// optionalAttrs is10 {
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badPlatforms =
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if (!lib.systems.equals targetPlatform hostPlatform) then [ "aarch64-darwin" ] else [ ];
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};
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}
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// optionalAttrs (!atLeast10 && stdenv.targetPlatform.isDarwin) {
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# GCC <10 requires default cctools `strip` instead of `llvm-strip` used by Darwin bintools.
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preBuild = ''
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makeFlagsArray+=('STRIP=${getBin cctools}/bin/${stdenv.cc.targetPrefix}strip')
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'';
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}
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// optionalAttrs enableMultilib {
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dontMoveLib64 = true;
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}
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))
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(
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[
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(callPackage ./common/libgcc.nix {
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inherit
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version
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langC
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langCC
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langJit
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targetPlatform
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hostPlatform
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withoutTargetLibc
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enableShared
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libcCross
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;
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})
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]
|
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++ optionals atLeast11 [
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(callPackage ./common/checksum.nix { inherit langC langCC; })
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]
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)
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