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{ lib, stdenv, targetPackages, fetchurl, fetchpatch, fetchFromGitHub, noSysDirs
, langC ? true, langCC ? true, langFortran ? false
, langAda ? false
, langObjC ? stdenv.targetPlatform.isDarwin
, langObjCpp ? stdenv.targetPlatform.isDarwin
, langJava ? false
, langGo ? false
, reproducibleBuild ? true
, profiledCompiler ? false
, langJit ? false
, staticCompiler ? false
, # N.B. the defult is intentionally not from an `isStatic`. See
# https://gcc.gnu.org/install/configure.html - this is about target
# platform libraries not host platform ones unlike normal. But since
# we can't rebuild those without also rebuilding the compiler itself,
# we opt to always build everything unlike our usual policy.
enableShared ? true
, enableLTO ? !stdenv.hostPlatform.isStatic
, texinfo ? null
, flex
, perl ? null # optional, for texi2pod (then pod2man); required for Java
, gmp, mpfr, libmpc, gettext, which, patchelf
, libelf # optional, for link-time optimizations (LTO)
, isl ? null # optional, for the Graphite optimization framework.
, zlib ? null, boehmgc ? null
, gnatboot ? null
, zip ? null, unzip ? null, pkg-config ? null
, gtk2 ? null, libart_lgpl ? null
, libX11 ? null, libXt ? null, libSM ? null, libICE ? null, libXtst ? null
, libXrender ? null, xorgproto ? null
, libXrandr ? null, libXi ? null
, x11Support ? langJava
, enableMultilib ? false
, enablePlugin ? stdenv.hostPlatform == stdenv.buildPlatform # Whether to support user-supplied plug-ins
, name ? "gcc"
, libcCross ? null
, threadsCross ? null # for MinGW
, crossStageStatic ? false
, # Strip kills static libs of other archs (hence no cross)
stripped ? stdenv.hostPlatform.system == stdenv.buildPlatform.system
&& stdenv.targetPlatform.system == stdenv.hostPlatform.system
, gnused ? null
, cloog # unused; just for compat with gcc4, as we override the parameter on some places
, buildPackages
}:
assert langJava -> zip != null && unzip != null
&& zlib != null && boehmgc != null
&& perl != null; # for `--enable-java-home'
# LTO needs libelf and zlib.
assert libelf != null -> zlib != null;
# Make sure we get GNU sed.
assert stdenv.hostPlatform.isDarwin -> gnused != null;
# The go frontend is written in c++
assert langGo -> langCC;
assert langAda -> gnatboot != null;
# threadsCross is just for MinGW
assert threadsCross != null -> stdenv.targetPlatform.isWindows;
# profiledCompiler builds inject non-determinism in one of the compilation stages.
# If turned on, we can't provide reproducible builds anymore
assert reproducibleBuild -> profiledCompiler == false;
with lib;
with builtins;
let majorVersion = "6";
version = "${majorVersion}.5.0";
inherit (stdenv) buildPlatform hostPlatform targetPlatform;
patches = optionals (!stdenv.targetPlatform.isRedox) [
../use-source-date-epoch.patch ./0001-Fix-build-for-glibc-2.31.patch
] ++ optional (targetPlatform != hostPlatform) ../libstdc++-target.patch
++ optional noSysDirs ../no-sys-dirs.patch
++ optional langAda ../gnat-cflags.patch
++ optional langFortran ../gfortran-driving.patch
++ optional (targetPlatform.libc == "musl") ../libgomp-dont-force-initial-exec.patch
# Obtain latest patch with ../update-mcfgthread-patches.sh
++ optional (!crossStageStatic && targetPlatform.isMinGW) ./Added-mcf-thread-model-support-from-mcfgthread.patch
++ optional (targetPlatform.libc == "musl" && targetPlatform.isx86_32) (fetchpatch {
url = "https://git.alpinelinux.org/aports/plain/main/gcc/gcc-6.1-musl-libssp.patch?id=5e4b96e23871ee28ef593b439f8c07ca7c7eb5bb";
sha256 = "1jf1ciz4gr49lwyh8knfhw6l5gvfkwzjy90m7qiwkcbsf4a3fqn2";
})
++ [ ../libsanitizer-no-cyclades-9.patch ];
javaEcj = fetchurl {
# The `$(top_srcdir)/ecj.jar' file is automatically picked up at
# `configure' time.
# XXX: Eventually we might want to take it from upstream.
url = "ftp://sourceware.org/pub/java/ecj-4.3.jar";
sha256 = "0jz7hvc0s6iydmhgh5h2m15yza7p2rlss2vkif30vm9y77m97qcx";
};
# Antlr (optional) allows the Java `gjdoc' tool to be built. We want a
# binary distribution here to allow the whole chain to be bootstrapped.
javaAntlr = fetchurl {
url = "https://www.antlr.org/download/antlr-4.4-complete.jar";
sha256 = "02lda2imivsvsis8rnzmbrbp8rh1kb8vmq4i67pqhkwz7lf8y6dz";
};
xlibs = [
libX11 libXt libSM libICE libXtst libXrender libXrandr libXi
xorgproto
];
javaAwtGtk = langJava && x11Support;
/* Cross-gcc settings (build == host != target) */
crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
stageNameAddon = if crossStageStatic then "stage-static" else "stage-final";
crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-${stageNameAddon}-";
in
# We need all these X libraries when building AWT with GTK.
assert x11Support -> (filter (x: x == null) ([ gtk2 libart_lgpl ] ++ xlibs)) == [];
stdenv.mkDerivation ({
pname = "${crossNameAddon}${name}${if stripped then "" else "-debug"}";
inherit version;
builder = ../builder.sh;
src = if stdenv.targetPlatform.isVc4 then fetchFromGitHub {
owner = "itszor";
repo = "gcc-vc4";
rev = "e90ff43f9671c760cf0d1dd62f569a0fb9bf8918";
sha256 = "0gxf66hwqk26h8f853sybphqa5ca0cva2kmrw5jsiv6139g0qnp8";
} else if stdenv.targetPlatform.isRedox then fetchFromGitHub {
owner = "redox-os";
repo = "gcc";
rev = "f360ac095028d286fc6dde4d02daed48f59813fa"; # `redox` branch
sha256 = "1an96h8l58pppyh3qqv90g8hgcfd9hj7igvh2gigmkxbrx94khfl";
} else fetchurl {
url = "mirror://gnu/gcc/gcc-${version}/gcc-${version}.tar.xz";
sha256 = "0i89fksfp6wr1xg9l8296aslcymv2idn60ip31wr9s4pwin7kwby";
};
inherit patches;
outputs = if langJava || langGo || langJit then ["out" "man" "info"]
else [ "out" "lib" "man" "info" ];
setOutputFlags = false;
NIX_NO_SELF_RPATH = true;
libc_dev = stdenv.cc.libc_dev;
hardeningDisable = [ "format" "pie" ];
postPatch =
# This should kill all the stdinc frameworks that gcc and friends like to
# insert into default search paths.
lib.optionalString hostPlatform.isDarwin ''
substituteInPlace gcc/config/darwin-c.c \
--replace 'if (stdinc)' 'if (0)'
substituteInPlace libgcc/config/t-slibgcc-darwin \
--replace "-install_name @shlib_slibdir@/\$(SHLIB_INSTALL_NAME)" "-install_name ''${!outputLib}/lib/\$(SHLIB_INSTALL_NAME)"
substituteInPlace libgfortran/configure \
--replace "-install_name \\\$rpath/\\\$soname" "-install_name ''${!outputLib}/lib/\\\$soname"
''
+ (
if targetPlatform != hostPlatform || stdenv.cc.libc != null then
# On NixOS, use the right path to the dynamic linker instead of
# `/lib/ld*.so'.
let
libc = if libcCross != null then libcCross else stdenv.cc.libc;
in
(
'' echo "fixing the \`GLIBC_DYNAMIC_LINKER', \`UCLIBC_DYNAMIC_LINKER', and \`MUSL_DYNAMIC_LINKER' macros..."
for header in "gcc/config/"*-gnu.h "gcc/config/"*"/"*.h
do
grep -q _DYNAMIC_LINKER "$header" || continue
echo " fixing \`$header'..."
sed -i "$header" \
-e 's|define[[:blank:]]*\([UCG]\+\)LIBC_DYNAMIC_LINKER\([0-9]*\)[[:blank:]]"\([^\"]\+\)"$|define \1LIBC_DYNAMIC_LINKER\2 "${libc.out}\3"|g' \
-e 's|define[[:blank:]]*MUSL_DYNAMIC_LINKER\([0-9]*\)[[:blank:]]"\([^\"]\+\)"$|define MUSL_DYNAMIC_LINKER\1 "${libc.out}\2"|g'
done
''
+ lib.optionalString (targetPlatform.libc == "musl")
''
sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
''
)
else "");
inherit noSysDirs staticCompiler langJava crossStageStatic
libcCross crossMingw;
depsBuildBuild = [ buildPackages.stdenv.cc ];
nativeBuildInputs = [ texinfo which gettext ]
++ (optional (perl != null) perl)
++ (optional javaAwtGtk pkg-config)
++ (optional (with stdenv.targetPlatform; isVc4 || isRedox) flex)
++ (optional langAda gnatboot)
;
# For building runtime libs
depsBuildTarget =
(
if hostPlatform == buildPlatform then [
targetPackages.stdenv.cc.bintools # newly-built gcc will be used
] else assert targetPlatform == hostPlatform; [ # build != host == target
stdenv.cc
]
)
++ optional targetPlatform.isLinux patchelf;
buildInputs = [
gmp mpfr libmpc libelf
targetPackages.stdenv.cc.bintools # For linking code at run-time
] ++ (optional (isl != null) isl)
++ (optional (zlib != null) zlib)
++ (optionals langJava [ boehmgc zip unzip ])
++ (optionals javaAwtGtk ([ gtk2 libart_lgpl ] ++ xlibs))
# The builder relies on GNU sed (for instance, Darwin's `sed' fails with
# "-i may not be used with stdin"), and `stdenvNative' doesn't provide it.
++ (optional hostPlatform.isDarwin gnused)
;
depsTargetTarget = optional (!crossStageStatic && threadsCross != null) threadsCross;
NIX_LDFLAGS = lib.optionalString hostPlatform.isSunOS "-lm -ldl";
preConfigure = import ../common/pre-configure.nix {
inherit lib;
inherit version targetPlatform hostPlatform gnatboot langJava langAda langGo;
};
dontDisableStatic = true;
configurePlatforms = [ "build" "host" "target" ];
configureFlags = import ../common/configure-flags.nix {
inherit
lib
stdenv
targetPackages
crossStageStatic libcCross
version
gmp mpfr libmpc libelf isl
enableLTO
enableMultilib
enablePlugin
enableShared
langC
langCC
langFortran
langJava javaAwtGtk javaAntlr javaEcj
langAda
langGo
langObjC
langObjCpp
langJit
;
};
targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
buildFlags = optional
(targetPlatform == hostPlatform && hostPlatform == buildPlatform)
(if profiledCompiler then "profiledbootstrap" else "bootstrap");
dontStrip = !stripped;
doCheck = false; # requires a lot of tools, causes a dependency cycle for stdenv
installTargets = optional stripped "install-strip";
# https://gcc.gnu.org/install/specific.html#x86-64-x-solaris210
${if hostPlatform.system == "x86_64-solaris" then "CC" else null} = "gcc -m64";
# Setting $CPATH and $LIBRARY_PATH to make sure both `gcc' and `xgcc' find the
# library headers and binaries, regarless of the language being compiled.
#
# Note: When building the Java AWT GTK peer, the build system doesn't honor
# `--with-gmp' et al., e.g., when building
# `libjava/classpath/native/jni/java-math/gnu_java_math_GMP.c', so we just add
# them to $CPATH and $LIBRARY_PATH in this case.
#
# Likewise, the LTO code doesn't find zlib.
#
# Cross-compiling, we need gcc not to read ./specs in order to build the g++
# compiler (after the specs for the cross-gcc are created). Having
# LIBRARY_PATH= makes gcc read the specs from ., and the build breaks.
CPATH = optionals (targetPlatform == hostPlatform) (makeSearchPathOutput "dev" "include" ([]
++ optional (zlib != null) zlib
++ optional langJava boehmgc
++ optionals javaAwtGtk xlibs
++ optionals javaAwtGtk [ gmp mpfr ]
));
LIBRARY_PATH = optionals (targetPlatform == hostPlatform) (makeLibraryPath ([]
++ optional (zlib != null) zlib
++ optional langJava boehmgc
++ optionals javaAwtGtk xlibs
++ optionals javaAwtGtk [ gmp mpfr ]
));
inherit
(import ../common/extra-target-flags.nix {
inherit lib stdenv crossStageStatic libcCross threadsCross;
})
EXTRA_FLAGS_FOR_TARGET
EXTRA_LDFLAGS_FOR_TARGET
;
passthru = {
inherit langC langCC langObjC langObjCpp langFortran langAda langGo version;
isGNU = true;
};
enableParallelBuilding = true;
inherit enableMultilib;
inherit (stdenv) is64bit;
meta = {
homepage = "https://gcc.gnu.org/";
license = lib.licenses.gpl3Plus; # runtime support libraries are typically LGPLv3+
description = "GNU Compiler Collection, version ${version}"
+ (if stripped then "" else " (with debugging info)");
longDescription = ''
The GNU Compiler Collection includes compiler front ends for C, C++,
Objective-C, Fortran, OpenMP for C/C++/Fortran, Java, and Ada, as well
as libraries for these languages (libstdc++, libgcj, libgomp,...).
GCC development is a part of the GNU Project, aiming to improve the
compiler used in the GNU system including the GNU/Linux variant.
'';
platforms = lib.platforms.unix;
};
}
// optionalAttrs (targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt" && crossStageStatic) {
makeFlags = [ "all-gcc" "all-target-libgcc" ];
installTargets = "install-gcc install-target-libgcc";
}
// optionalAttrs (enableMultilib) { dontMoveLib64 = true; }
// optionalAttrs (langJava && !stdenv.hostPlatform.isDarwin) {
postFixup = ''
target="$(echo "$out/libexec/gcc"/*/*/ecj*)"
patchelf --set-rpath "$(patchelf --print-rpath "$target"):$out/lib" "$target"
'';}
)
|