2091133e78
This isn't a MUSL thing, but just needed for cross compilation to x86. No one had tried this when all cross compilation was to linux + glibc, hence why no one noticed this until recently.
449 lines
16 KiB
Nix
449 lines
16 KiB
Nix
{ stdenv, targetPackages, fetchurl, noSysDirs
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, langC ? true, langCC ? true, langFortran ? false
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, langObjC ? stdenv.targetPlatform.isDarwin
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, langObjCpp ? stdenv.targetPlatform.isDarwin
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, langJava ? false
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, langGo ? false
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, profiledCompiler ? false
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, staticCompiler ? false
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, enableShared ? true
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, texinfo ? null
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, perl ? null # optional, for texi2pod (then pod2man); required for Java
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, gmp, mpfr, libmpc, gettext, which
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, libelf # optional, for link-time optimizations (LTO)
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, isl ? null # optional, for the Graphite optimization framework.
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, zlib ? null, boehmgc ? null
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, zip ? null, unzip ? null, pkgconfig ? null
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, gtk2 ? null, libart_lgpl ? null
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, libX11 ? null, libXt ? null, libSM ? null, libICE ? null, libXtst ? null
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, libXrender ? null, xproto ? null, renderproto ? null, xextproto ? null
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, libXrandr ? null, libXi ? null, inputproto ? null, randrproto ? null
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, x11Support ? langJava
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, enableMultilib ? false
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, enablePlugin ? 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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, crossStageStatic ? false
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, # Strip kills static libs of other archs (hence no cross)
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stripped ? stdenv.hostPlatform == stdenv.buildPlatform
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&& stdenv.targetPlatform == stdenv.hostPlatform
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, gnused ? null
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, cloog # unused; just for compat with gcc4, as we override the parameter on some places
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, buildPackages
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}:
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assert langJava -> zip != null && unzip != null
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&& zlib != null && boehmgc != null
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&& perl != null; # for `--enable-java-home'
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# LTO needs libelf and zlib.
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assert libelf != null -> zlib != null;
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# Make sure we get GNU sed.
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assert stdenv.hostPlatform.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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with stdenv.lib;
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with builtins;
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let version = "6.4.0";
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enableParallelBuilding = true;
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inherit (stdenv) buildPlatform hostPlatform targetPlatform;
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patches =
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[ ../use-source-date-epoch.patch ]
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++ optional (targetPlatform != hostPlatform) ../libstdc++-target.patch
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++ optional noSysDirs ../no-sys-dirs.patch
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++ optional langFortran ../gfortran-driving.patch
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++ [ ../struct-ucontext.patch ../struct-sigaltstack.patch ] # glibc-2.26
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++ optional langJava [ ../struct-ucontext-libjava.patch ] # glibc-2.26
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;
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javaEcj = fetchurl {
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# The `$(top_srcdir)/ecj.jar' file is automatically picked up at
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# `configure' time.
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# XXX: Eventually we might want to take it from upstream.
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url = "ftp://sourceware.org/pub/java/ecj-4.3.jar";
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sha256 = "0jz7hvc0s6iydmhgh5h2m15yza7p2rlss2vkif30vm9y77m97qcx";
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};
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# Antlr (optional) allows the Java `gjdoc' tool to be built. We want a
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# binary distribution here to allow the whole chain to be bootstrapped.
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javaAntlr = fetchurl {
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url = http://www.antlr.org/download/antlr-4.4-complete.jar;
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sha256 = "02lda2imivsvsis8rnzmbrbp8rh1kb8vmq4i67pqhkwz7lf8y6dz";
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};
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xlibs = [
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libX11 libXt libSM libICE libXtst libXrender libXrandr libXi
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xproto renderproto xextproto inputproto randrproto
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];
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javaAwtGtk = langJava && x11Support;
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/* Cross-gcc settings (build == host != target) */
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crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
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crossDarwin = targetPlatform != hostPlatform && targetPlatform.libc == "libSystem";
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crossConfigureFlags =
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# Ensure that -print-prog-name is able to find the correct programs.
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[ "--with-as=${targetPackages.stdenv.cc.bintools}/bin/${targetPlatform.config}-as"
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"--with-ld=${targetPackages.stdenv.cc.bintools}/bin/${targetPlatform.config}-ld" ] ++
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(if crossMingw && crossStageStatic then [
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"--with-headers=${libcCross}/include"
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"--with-gcc"
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"--with-gnu-as"
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"--with-gnu-ld"
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"--with-gnu-ld"
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"--disable-shared"
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"--disable-nls"
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"--disable-debug"
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"--enable-sjlj-exceptions"
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"--enable-threads=win32"
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"--disable-win32-registry"
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"--disable-libmpx" # requires libc
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] else if crossStageStatic then [
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"--disable-libssp"
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"--disable-nls"
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"--without-headers"
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"--disable-threads"
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"--disable-libgomp"
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"--disable-libquadmath"
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"--disable-shared"
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"--disable-libatomic" # requires libc
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"--disable-decimal-float" # requires libc
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"--disable-libmpx" # requires libc
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] else [
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(if crossDarwin then "--with-sysroot=${getLib libcCross}/share/sysroot"
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else "--with-headers=${getDev libcCross}/include")
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"--enable-__cxa_atexit"
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"--enable-long-long"
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] ++
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(if crossMingw then [
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"--enable-threads=win32"
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"--enable-sjlj-exceptions"
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"--enable-hash-synchronization"
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"--enable-libssp"
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"--disable-nls"
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"--with-dwarf2"
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# To keep ABI compatibility with upstream mingw-w64
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"--enable-fully-dynamic-string"
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] else
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optionals (targetPlatform.libc == "uclibc" || targetPlatform.libc == "musl") [
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# libsanitizer requires netrom/netrom.h which is not
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# available in uclibc.
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"--disable-libsanitizer"
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# In uclibc cases, libgomp needs an additional '-ldl'
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# and as I don't know how to pass it, I disable libgomp.
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"--disable-libgomp"
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# musl at least, disable: https://git.buildroot.net/buildroot/commit/?id=873d4019f7fb00f6a80592224236b3ba7d657865
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"--disable-libmpx"
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] ++ [
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"--enable-threads=posix"
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"--enable-nls"
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"--disable-decimal-float" # No final libdecnumber (it may work only in 386)
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]));
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stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final";
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crossNameAddon = if targetPlatform != hostPlatform then "${targetPlatform.config}${stageNameAddon}-" else "";
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bootstrap = targetPlatform == hostPlatform;
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in
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# We need all these X libraries when building AWT with GTK+.
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assert x11Support -> (filter (x: x == null) ([ gtk2 libart_lgpl ] ++ xlibs)) == [];
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stdenv.mkDerivation ({
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name = crossNameAddon + "${name}${if stripped then "" else "-debug"}-${version}";
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builder = ../builder.sh;
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src = fetchurl {
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url = "mirror://gnu/gcc/gcc-${version}/gcc-${version}.tar.xz";
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sha256 = "1m0lr7938lw5d773dkvwld90hjlcq2282517d1gwvrfzmwgg42w5";
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};
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inherit patches;
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outputs = if langJava || langGo then ["out" "man" "info"]
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else [ "out" "lib" "man" "info" ];
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setOutputFlags = false;
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NIX_NO_SELF_RPATH = true;
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libc_dev = stdenv.cc.libc_dev;
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hardeningDisable = [ "format" ];
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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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prePatch = stdenv.lib.optionalString hostPlatform.isDarwin ''
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substituteInPlace gcc/config/darwin-c.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 $lib/lib/\$(SHLIB_INSTALL_NAME)"
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substituteInPlace libgfortran/configure \
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--replace "-install_name \\\$rpath/\\\$soname" "-install_name $lib/lib/\\\$soname"
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'';
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postPatch =
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if targetPlatform != hostPlatform || stdenv.cc.libc != null then
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# On NixOS, use the right path to the dynamic linker instead of
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# `/lib/ld*.so'.
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let
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libc = if libcCross != null then libcCross else stdenv.cc.libc;
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in
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(
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'' echo "fixing the \`GLIBC_DYNAMIC_LINKER', \`UCLIBC_DYNAMIC_LINKER', and \`MUSL_DYNAMIC_LINKER' macros..."
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for header in "gcc/config/"*-gnu.h "gcc/config/"*"/"*.h
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do
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grep -q _DYNAMIC_LINKER "$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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+ stdenv.lib.optionalString (targetPlatform.libc == "musl")
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''
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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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else null;
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# TODO(@Ericson2314): Make passthru instead. Weird to avoid mass rebuild,
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crossStageStatic = targetPlatform == hostPlatform || crossStageStatic;
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inherit noSysDirs staticCompiler langJava
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libcCross crossMingw;
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depsBuildBuild = [ buildPackages.stdenv.cc ];
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nativeBuildInputs = [ texinfo which gettext ]
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++ (optional (perl != null) perl)
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++ (optional javaAwtGtk pkgconfig);
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# For building runtime libs
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depsBuildTarget =
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if hostPlatform == buildPlatform then [
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targetPackages.stdenv.cc.bintools # newly-built gcc will be used
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] else assert targetPlatform == hostPlatform; [ # build != host == target
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stdenv.cc
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];
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buildInputs = [
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gmp mpfr libmpc libelf
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targetPackages.stdenv.cc.bintools # For linking code at run-time
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] ++ (optional (isl != null) isl)
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++ (optional (zlib != null) zlib)
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++ (optionals langJava [ boehmgc zip unzip ])
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++ (optionals javaAwtGtk ([ gtk2 libart_lgpl ] ++ xlibs))
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++ (optionals (targetPlatform != hostPlatform) [targetPackages.stdenv.cc.bintools])
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# The builder relies on GNU sed (for instance, Darwin's `sed' fails with
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# "-i may not be used with stdin"), and `stdenvNative' doesn't provide it.
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++ (optional hostPlatform.isDarwin gnused)
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++ (optional hostPlatform.isDarwin targetPackages.stdenv.cc.bintools)
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;
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NIX_LDFLAGS = stdenv.lib.optionalString hostPlatform.isSunOS "-lm -ldl";
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preConfigure = stdenv.lib.optionalString (hostPlatform.isSunOS && hostPlatform.is64bit) ''
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export NIX_LDFLAGS=`echo $NIX_LDFLAGS | sed -e s~$prefix/lib~$prefix/lib/amd64~g`
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export LDFLAGS_FOR_TARGET="-Wl,-rpath,$prefix/lib/amd64 $LDFLAGS_FOR_TARGET"
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export CXXFLAGS_FOR_TARGET="-Wl,-rpath,$prefix/lib/amd64 $CXXFLAGS_FOR_TARGET"
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export CFLAGS_FOR_TARGET="-Wl,-rpath,$prefix/lib/amd64 $CFLAGS_FOR_TARGET"
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''
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+ stdenv.lib.optionalString (langJava || langGo) ''
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export lib=$out;
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''
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;
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dontDisableStatic = true;
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# TODO(@Ericson2314): Always pass "--target" and always prefix.
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configurePlatforms = [ "build" "host" ] ++ stdenv.lib.optional (targetPlatform != hostPlatform) "target";
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configureFlags =
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# Basic dependencies
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[
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"--with-gmp-include=${gmp.dev}/include"
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"--with-gmp-lib=${gmp.out}/lib"
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"--with-mpfr-include=${mpfr.dev}/include"
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"--with-mpfr-lib=${mpfr.out}/lib"
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"--with-mpc=${libmpc}"
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] ++
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optional (libelf != null) "--with-libelf=${libelf}" ++
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optional (!(crossMingw && crossStageStatic))
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"--with-native-system-header-dir=${getDev stdenv.cc.libc}/include" ++
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# Basic configuration
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[
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"--enable-lto"
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"--disable-libstdcxx-pch"
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"--without-included-gettext"
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"--with-system-zlib"
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"--enable-static"
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"--enable-languages=${
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concatStrings (intersperse ","
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( optional langC "c"
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++ optional langCC "c++"
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++ optional langFortran "fortran"
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++ optional langJava "java"
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++ optional langGo "go"
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++ optional langObjC "objc"
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++ optional langObjCpp "obj-c++"
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++ optionals crossDarwin [ "objc" "obj-c++" ]
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)
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)
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}"
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] ++
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(if enableMultilib
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then ["--enable-multilib" "--disable-libquadmath"]
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else ["--disable-multilib"]) ++
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optional (!enableShared) "--disable-shared" ++
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(if enablePlugin
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then ["--enable-plugin"]
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else ["--disable-plugin"]) ++
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# Optional features
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optional (isl != null) "--with-isl=${isl}" ++
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# Java options
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optionals langJava [
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"--with-ecj-jar=${javaEcj}"
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# Follow Sun's layout for the convenience of IcedTea/OpenJDK. See
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# <http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2010-April/008888.html>.
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"--enable-java-home"
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"--with-java-home=\${prefix}/lib/jvm/jre"
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] ++
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optional javaAwtGtk "--enable-java-awt=gtk" ++
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optional (langJava && javaAntlr != null) "--with-antlr-jar=${javaAntlr}" ++
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(import ../common/platform-flags.nix { inherit (stdenv) lib targetPlatform; }) ++
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optional (targetPlatform != hostPlatform) crossConfigureFlags ++
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optional (!bootstrap) "--disable-bootstrap" ++
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# Platform-specific flags
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optional (targetPlatform == hostPlatform && targetPlatform.isi686) "--with-arch=i686" ++
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optionals hostPlatform.isSunOS [
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"--enable-long-long" "--enable-libssp" "--enable-threads=posix" "--disable-nls" "--enable-__cxa_atexit"
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# On Illumos/Solaris GNU as is preferred
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"--with-gnu-as" "--without-gnu-ld"
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]
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++ optional (targetPlatform == hostPlatform && targetPlatform.libc == "musl") "--disable-libsanitizer"
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;
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targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
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buildFlags = optional
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(bootstrap && hostPlatform == buildPlatform)
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(if profiledCompiler then "profiledbootstrap" else "bootstrap");
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dontStrip = !stripped;
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doCheck = false; # requires a lot of tools, causes a dependency cycle for stdenv
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installTargets =
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if stripped
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then "install-strip"
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else "install";
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# http://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, regarless of the language being compiled.
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#
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# Note: When building the Java AWT GTK+ peer, the build system doesn't honor
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# `--with-gmp' et al., e.g., when building
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# `libjava/classpath/native/jni/java-math/gnu_java_math_GMP.c', so we just add
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# them to $CPATH and $LIBRARY_PATH in this case.
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#
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# Likewise, the LTO code doesn't find zlib.
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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 (targetPlatform == hostPlatform) (makeSearchPathOutput "dev" "include" ([]
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++ optional (zlib != null) zlib
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++ optional langJava boehmgc
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++ optionals javaAwtGtk xlibs
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++ optionals javaAwtGtk [ gmp mpfr ]
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));
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LIBRARY_PATH = optionals (targetPlatform == hostPlatform) (makeLibraryPath ([]
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++ optional (zlib != null) zlib
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++ optional langJava boehmgc
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++ optionals javaAwtGtk xlibs
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++ optionals javaAwtGtk [ gmp mpfr ]));
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EXTRA_TARGET_FLAGS = optionals
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(targetPlatform != hostPlatform && libcCross != null)
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([
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"-idirafter ${getDev libcCross}/include"
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] ++ optionals (! crossStageStatic) [
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"-B${libcCross.out}/lib"
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]);
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EXTRA_TARGET_LDFLAGS = optionals
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(targetPlatform != hostPlatform && libcCross != null)
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([
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"-Wl,-L${libcCross.out}/lib"
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] ++ (if crossStageStatic then [
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"-B${libcCross.out}/lib"
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] else [
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"-Wl,-rpath,${libcCross.out}/lib"
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"-Wl,-rpath-link,${libcCross.out}/lib"
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]));
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passthru =
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{ inherit langC langCC langObjC langObjCpp langFortran langGo version; isGNU = true; };
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inherit enableParallelBuilding enableMultilib;
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inherit (stdenv) is64bit;
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meta = {
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homepage = http://gcc.gnu.org/;
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license = stdenv.lib.licenses.gpl3Plus; # runtime support libraries are typically LGPLv3+
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description = "GNU Compiler Collection, version ${version}"
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+ (if stripped then "" else " (with debugging info)");
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longDescription = ''
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The GNU Compiler Collection includes compiler front ends for C, C++,
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Objective-C, Fortran, OpenMP for C/C++/Fortran, Java, and Ada, as well
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as libraries for these languages (libstdc++, libgcj, libgomp,...).
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GCC development is a part of the GNU Project, aiming to improve the
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|
compiler used in the GNU system including the GNU/Linux variant.
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|
'';
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maintainers = with stdenv.lib.maintainers; [ peti ];
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|
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platforms =
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|
stdenv.lib.platforms.linux ++
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|
stdenv.lib.platforms.freebsd ++
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|
stdenv.lib.platforms.darwin;
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|
};
|
|
}
|
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|
|
// optionalAttrs (targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt" && crossStageStatic) {
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|
makeFlags = [ "all-gcc" "all-target-libgcc" ];
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|
installTargets = "install-gcc install-target-libgcc";
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|
}
|
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|
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// optionalAttrs (enableMultilib) { dontMoveLib64 = true; }
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|
|
|
// optionalAttrs (langJava) {
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|
postFixup = ''
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|
target="$(echo "$out/libexec/gcc"/*/*/ecj*)"
|
|
patchelf --set-rpath "$(patchelf --print-rpath "$target"):$out/lib" "$target"
|
|
'';}
|
|
)
|