mirror of
https://github.com/SebastianWendel/nixpkgs.git
synced 2024-09-20 04:19:00 +02:00
libgcc: remove unused package
`libgcc` is not usable as is and as a result no packages use it today. `gcc.cc.libgcc` should provide the same library. But ideally it should not be used at all as it's an implementation detail of `gcc` support libraries.
This commit is contained in:
Sergei Trofimovich
parent
9daee20670
commit
9818d120be
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@ -1,156 +0,0 @@
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{ lib, stdenvNoLibs, buildPackages
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, gcc, glibc
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, libiberty
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}:
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stdenvNoLibs.mkDerivation rec {
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pname = "libgcc";
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inherit (gcc.cc) src version;
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outputs = [ "out" "dev" ];
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strictDeps = true;
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depsBuildBuild = [ buildPackages.stdenv.cc ];
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nativeBuildInputs = [ libiberty ];
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postUnpack = ''
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mkdir -p ./build
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buildRoot=$(readlink -e "./build")
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'';
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postPatch = ''
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sourceRoot=$(readlink -e "./libgcc")
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'';
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hardeningDisable = [ "pie" ];
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preConfigure = ''
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cd "$buildRoot"
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''
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# Drop in libiberty, as external builds are not expected
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+ ''
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(
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mkdir -p build-${stdenvNoLibs.buildPlatform.config}/libiberty/
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cd build-${stdenvNoLibs.buildPlatform.config}/libiberty/
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ln -s ${buildPackages.libiberty}/lib/libiberty.a ./
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)
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''
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# A few misc bits of gcc need to be built.
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#
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# - We "shift" the tools over to fake platforms perspective from the previous
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# stage.
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#
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# - We define GENERATOR_FILE so nothing bothers looking for GNU GMP.
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#
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# - We remove the `libgcc.mvar` deps so that the bootstrap xgcc isn't built.
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+ ''
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mkdir -p "$buildRoot/gcc"
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cd "$buildRoot/gcc"
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(
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export AS_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$AS_FOR_BUILD
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export CC_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$CC_FOR_BUILD
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export CPP_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$CPP_FOR_BUILD
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export CXX_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$CXX_FOR_BUILD
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export LD_FOR_BUILD=${buildPackages.stdenv.cc.bintools}/bin/$LD_FOR_BUILD
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export AS=$AS_FOR_BUILD
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export CC=$CC_FOR_BUILD
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export CPP=$CPP_FOR_BUILD
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export CXX=$CXX_FOR_BUILD
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export LD=$LD_FOR_BUILD
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export AS_FOR_TARGET=${stdenvNoLibs.cc}/bin/$AS
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export CC_FOR_TARGET=${stdenvNoLibs.cc}/bin/$CC
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export CPP_FOR_TARGET=${stdenvNoLibs.cc}/bin/$CPP
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export LD_FOR_TARGET=${stdenvNoLibs.cc.bintools}/bin/$LD
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export NIX_CFLAGS_COMPILE_FOR_BUILD+=' -DGENERATOR_FILE=1'
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"$sourceRoot/../gcc/configure" $gccConfigureFlags
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sed -e 's,libgcc.mvars:.*$,libgcc.mvars:,' -i Makefile
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make \
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config.h \
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libgcc.mvars \
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tconfig.h \
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tm.h \
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options.h \
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insn-constants.h \
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insn-modes.h
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)
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mkdir -p "$buildRoot/gcc/include"
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''
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# Preparing to configure + build libgcc itself
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+ ''
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mkdir -p "$buildRoot/gcc/${stdenvNoLibs.hostPlatform.config}/libgcc"
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cd "$buildRoot/gcc/${stdenvNoLibs.hostPlatform.config}/libgcc"
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configureScript=$sourceRoot/configure
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chmod +x "$configureScript"
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export AS_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$AS_FOR_BUILD
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export CC_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$CC_FOR_BUILD
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export CPP_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$CPP_FOR_BUILD
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export CXX_FOR_BUILD=${buildPackages.stdenv.cc}/bin/$CXX_FOR_BUILD
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export LD_FOR_BUILD=${buildPackages.stdenv.cc.bintools}/bin/$LD_FOR_BUILD
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export AS=${stdenvNoLibs.cc}/bin/$AS
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export CC=${stdenvNoLibs.cc}/bin/$CC
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export CPP=${stdenvNoLibs.cc}/bin/$CPP
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export CXX=${stdenvNoLibs.cc}/bin/$CXX
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export LD=${stdenvNoLibs.cc.bintools}/bin/$LD
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export AS_FOR_TARGET=${stdenvNoLibs.cc}/bin/$AS_FOR_TARGET
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export CC_FOR_TARGET=${stdenvNoLibs.cc}/bin/$CC_FOR_TARGET
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export CPP_FOR_TARGET=${stdenvNoLibs.cc}/bin/$CPP_FOR_TARGET
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export LD_FOR_TARGET=${stdenvNoLibs.cc.bintools}/bin/$LD_FOR_TARGET
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'';
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gccConfigureFlags = [
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"--build=${stdenvNoLibs.buildPlatform.config}"
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"--host=${stdenvNoLibs.buildPlatform.config}"
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"--target=${stdenvNoLibs.hostPlatform.config}"
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"--disable-bootstrap"
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"--disable-multilib" "--with-multilib-list="
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"--enable-languages=c"
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"--disable-fixincludes"
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"--disable-intl"
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"--disable-lto"
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"--disable-libatomic"
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"--disable-libbacktrace"
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"--disable-libcpp"
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"--disable-libssp"
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"--disable-libquadmath"
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"--disable-libgomp"
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"--disable-libvtv"
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"--disable-vtable-verify"
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"--with-system-zlib"
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] ++ lib.optional (stdenvNoLibs.hostPlatform.libc == "glibc")
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"--with-glibc-version=${glibc.version}";
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configurePlatforms = [ "build" "host" ];
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configureFlags = [
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"--disable-dependency-tracking"
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# $CC cannot link binaries, let alone run then
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"cross_compiling=true"
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# Do not have dynamic linker without libc
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"--enable-static"
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"--disable-shared"
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# Avoid dependency on gcc.
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"--disable-gcov"
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];
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makeFlags = [ "MULTIBUILDTOP:=../" ];
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postInstall = ''
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moveToOutput "lib/gcc/${stdenvNoLibs.hostPlatform.config}/${version}/include" "$dev"
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mkdir -p "$out/lib" "$dev/include"
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ln -s "$out/lib/gcc/${stdenvNoLibs.hostPlatform.config}/${version}"/* "$out/lib"
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ln -s "$dev/lib/gcc/${stdenvNoLibs.hostPlatform.config}/${version}/include"/* "$dev/include/"
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'';
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}
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@ -841,6 +841,7 @@ mapAliases ({
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liberation_ttf_v1_from_source = throw "'liberation_ttf_v1_from_source' has been renamed to/replaced by 'liberation_ttf_v1'"; # Converted to throw 2022-02-22
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liberation_ttf_v2_from_source = throw "'liberation_ttf_v2_from_source' has been renamed to/replaced by 'liberation_ttf_v2'"; # Converted to throw 2022-02-22
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liberationsansnarrow = throw "'liberationsansnarrow' has been renamed to/replaced by 'liberation-sans-narrow'"; # Converted to throw 2022-02-22
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libgcc = throw "libgcc was removed, use gcc.cc.libgcc if needed"; # added 2023-05-13
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libgksu = throw "libgksu has been removed"; # Added 2022-01-16
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libgme = game-music-emu; # Added 2022-07-20
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libgnome_keyring = throw "'libgnome_keyring' has been renamed to/replaced by 'libgnome-keyring'"; # Converted to throw 2022-02-22
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@ -18018,10 +18018,6 @@ with pkgs;
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librarian-puppet-go = callPackage ../development/tools/librarian-puppet-go { };
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libgcc = callPackage ../development/libraries/gcc/libgcc {
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stdenvNoLibs = gccStdenvNoLibs; # cannot be built with clang it seems
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};
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# This is for e.g. LLVM libraries on linux.
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gccForLibs =
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if stdenv.targetPlatform == stdenv.hostPlatform && targetPackages.stdenv.cc.isGNU
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