nixpkgs/pkgs/development/compilers/gcc/default.nix
Robert Scott 40868719b0 cc-wrapper: add zerocallusedregs hardening flag
this uses the value `used-gpr` which seems to be a commonly
chosen value for general use
2024-01-20 13:48:33 +00:00

458 lines
16 KiB
Nix

{ lib, stdenv, targetPackages, fetchurl, fetchpatch, noSysDirs
, langC ? true, langCC ? true, langFortran ? false
, langAda ? false
, langObjC ? stdenv.targetPlatform.isDarwin
, langObjCpp ? stdenv.targetPlatform.isDarwin
, langD ? false
, langGo ? false
, reproducibleBuild ? true
, profiledCompiler ? false
, langJit ? false
, staticCompiler ? false
, enableShared ? stdenv.targetPlatform.hasSharedLibraries
, enableLTO ? stdenv.hostPlatform.hasSharedLibraries
, texinfo ? null
, perl ? null # optional, for texi2pod (then pod2man)
, gmp, mpfr, libmpc, gettext, which, patchelf, binutils
, isl ? null # optional, for the Graphite optimization framework.
, zlib ? null
, libucontext ? null
, gnat-bootstrap ? null
, enableMultilib ? false
, enablePlugin ? stdenv.hostPlatform == stdenv.buildPlatform # Whether to support user-supplied plug-ins
, name ? "gcc"
, libcCross ? null
, threadsCross ? null # for MinGW
, withoutTargetLibc ? false
, gnused ? null
, cloog # unused; just for compat with gcc4, as we override the parameter on some places
, buildPackages
, pkgsBuildTarget
, libxcrypt
, disableGdbPlugin ? !enablePlugin || (stdenv.targetPlatform.isAvr && stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64)
, nukeReferences
, callPackage
, majorMinorVersion
, darwin
# only for gcc<=6.x
, langJava ? false
, flex
, boehmgc ? 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
}:
let
versions = import ./versions.nix;
version = versions.fromMajorMinor majorMinorVersion;
majorVersion = lib.versions.major version;
atLeast13 = lib.versionAtLeast version "13";
atLeast12 = lib.versionAtLeast version "12";
atLeast11 = lib.versionAtLeast version "11";
atLeast10 = lib.versionAtLeast version "10";
atLeast9 = lib.versionAtLeast version "9";
atLeast8 = lib.versionAtLeast version "8";
atLeast7 = lib.versionAtLeast version "7";
atLeast6 = lib.versionAtLeast version "6";
atLeast49 = lib.versionAtLeast version "4.9";
is13 = majorVersion == "13";
is12 = majorVersion == "12";
is11 = majorVersion == "11";
is10 = majorVersion == "10";
is9 = majorVersion == "9";
is8 = majorVersion == "8";
is7 = majorVersion == "7";
is6 = majorVersion == "6";
is49 = majorVersion == "4" && lib.versions.minor version == "9";
is48 = majorVersion == "4" && lib.versions.minor version == "8";
in
# We enable the isl cloog backend.
assert !atLeast6 -> (cloog != null -> isl != null);
assert langJava -> !atLeast7 && zip != null && unzip != null && zlib != null && boehmgc != null && perl != null; # for `--enable-java-home'
# Make sure we get GNU sed.
assert stdenv.buildPlatform.isDarwin -> gnused != null;
# The go frontend is written in c++
assert langGo -> langCC;
assert (atLeast6 && !is7 && !is8) -> (langAda -> gnat-bootstrap != null);
# TODO: fixup D bootstapping, probably by using gdc11 (and maybe other changes).
# error: GDC is required to build d
assert atLeast12 -> !langD;
# threadsCross is just for MinGW
assert threadsCross != {} -> 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 inherit version;
disableBootstrap = atLeast11 && !stdenv.hostPlatform.isDarwin && (atLeast12 -> !profiledCompiler);
inherit (stdenv) buildPlatform hostPlatform targetPlatform;
patches = callFile ./patches {};
/* Cross-gcc settings (build == host != target) */
crossMingw = targetPlatform != hostPlatform && targetPlatform.isMinGW;
stageNameAddon = optionalString withoutTargetLibc "-nolibc";
crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}${stageNameAddon}-";
javaAwtGtk = langJava && x11Support;
xlibs = [
libX11 libXt libSM libICE libXtst libXrender libXrandr libXi
xorgproto
];
callFile = lib.callPackageWith ({
# lets
inherit
majorVersion
version
buildPlatform
hostPlatform
targetPlatform
patches
crossMingw
stageNameAddon
crossNameAddon
;
# inherit generated with 'nix eval --json --impure --expr "with import ./. {}; lib.attrNames (lib.functionArgs gcc${majorVersion}.cc.override)" | jq '.[]' --raw-output'
inherit
binutils
buildPackages
cloog
withoutTargetLibc
disableBootstrap
disableGdbPlugin
enableLTO
enableMultilib
enablePlugin
enableShared
fetchpatch
fetchurl
gettext
gmp
gnat-bootstrap
gnused
isl
langAda
langC
langCC
langD
langFortran
langGo
langJit
langObjC
langObjCpp
lib
libcCross
libmpc
libucontext
libxcrypt
mpfr
name
noSysDirs
nukeReferences
patchelf
perl
pkgsBuildTarget
profiledCompiler
reproducibleBuild
staticCompiler
stdenv
targetPackages
texinfo
threadsCross
which
zip
zlib
;
} // lib.optionalAttrs (!atLeast7) {
inherit
boehmgc
flex
gnat-bootstrap
gtk2
langAda
langJava
libICE
libSM
libX11
libXi
libXrandr
libXrender
libXt
libXtst
libart_lgpl
pkg-config
unzip
x11Support
xorgproto
javaAwtGtk
xlibs
;
javaEcj = fetchurl {
# The `$(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";
};
});
in
# We need all these X libraries when building AWT with GTK.
assert !atLeast7 -> (x11Support -> (filter (x: x == null) ([ gtk2 libart_lgpl ] ++ xlibs)) == []);
lib.pipe ((callFile ./common/builder.nix {}) ({
pname = "${crossNameAddon}${name}";
inherit version;
src = if is6 && stdenv.targetPlatform.isVc4 then fetchFromGitHub {
owner = "itszor";
repo = "gcc-vc4";
rev = "e90ff43f9671c760cf0d1dd62f569a0fb9bf8918";
sha256 = "0gxf66hwqk26h8f853sybphqa5ca0cva2kmrw5jsiv6139g0qnp8";
} else if is6 && stdenv.targetPlatform.isRedox then fetchFromGitHub {
owner = "redox-os";
repo = "gcc";
rev = "f360ac095028d286fc6dde4d02daed48f59813fa"; # `redox` branch
sha256 = "1an96h8l58pppyh3qqv90g8hgcfd9hj7igvh2gigmkxbrx94khfl";
} else fetchurl {
url = if atLeast7
then "mirror://gcc/releases/gcc-${version}/gcc-${version}.tar.xz"
else if atLeast6
then "mirror://gnu/gcc/gcc-${version}/gcc-${version}.tar.xz"
else "mirror://gnu/gcc/gcc-${version}/gcc-${version}.tar.bz2";
${if is10 || is11 || is13 then "hash" else "sha256"} =
versions.srcHashForVersion version;
};
inherit patches;
outputs =
if atLeast7
then [ "out" "man" "info" ] ++ lib.optional (!langJit) "lib"
else if atLeast49 && (langJava || langGo || (if atLeast6 then langJit else targetPlatform.isDarwin)) then ["out" "man" "info"]
else [ "out" "lib" "man" "info" ];
setOutputFlags = false;
libc_dev = stdenv.cc.libc_dev;
hardeningDisable = [ "format" "pie" ]
++ lib.optionals (is11 && langAda) [ "fortify3" ];
postPatch = lib.optionalString atLeast7 ''
configureScripts=$(find . -name configure)
for configureScript in $configureScripts; do
patchShebangs $configureScript
done
''
# This should kill all the stdinc frameworks that gcc and friends like to
# insert into default search paths.
+ lib.optionalString (atLeast6 && hostPlatform.isDarwin) ''
substituteInPlace gcc/config/darwin-c.c${lib.optionalString atLeast12 "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"
''
+ (
lib.optionalString (targetPlatform != hostPlatform || stdenv.cc.libc != null)
# 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,UCLIBC,MUSL}_DYNAMIC_LINKER macros..."
for header in "gcc/config/"*-gnu.h "gcc/config/"*"/"*.h
do
grep -q ${lib.optionalString (!atLeast6) "LIBC"}_DYNAMIC_LINKER "$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 (atLeast6 && targetPlatform.libc == "musl") ''
sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
''
)
))
+ lib.optionalString (atLeast7 && targetPlatform.isAvr) (''
makeFlagsArray+=(
'-s' # workaround for hitting hydra log limit
'LIMITS_H_TEST=false'
)
'');
inherit noSysDirs staticCompiler withoutTargetLibc
libcCross crossMingw;
inherit (callFile ./common/dependencies.nix { }) depsBuildBuild nativeBuildInputs depsBuildTarget buildInputs depsTargetTarget;
preConfigure = (callFile ./common/pre-configure.nix { }) + lib.optionalString atLeast10 ''
ln -sf ${libxcrypt}/include/crypt.h libsanitizer/sanitizer_common/crypt.h
'';
dontDisableStatic = true;
configurePlatforms = [ "build" "host" "target" ];
configureFlags = (callFile ./common/configure-flags.nix { })
++ optional (is7 && targetPlatform.isAarch64) "--enable-fix-cortex-a53-843419"
++ optional (is7 && targetPlatform.isNetBSD) "--disable-libcilkrts";
targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
buildFlags =
# we do not yet have Nix-driven profiling
assert atLeast12 -> (profiledCompiler -> !disableBootstrap);
if atLeast11
then let target =
lib.optionalString (profiledCompiler) "profiled" +
lib.optionalString (targetPlatform == hostPlatform && hostPlatform == buildPlatform && !disableBootstrap) "bootstrap";
in lib.optional (target != "") target
else
optional
(targetPlatform == hostPlatform && hostPlatform == buildPlatform)
(if profiledCompiler then "profiledbootstrap" else "bootstrap");
inherit (callFile ./common/strip-attributes.nix { })
stripDebugList
stripDebugListTarget
preFixup;
# https://gcc.gnu.org/PR109898
enableParallelInstalling = false;
env = mapAttrs (_: v: toString v) ({
NIX_NO_SELF_RPATH = true;
# 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 (callFile ./common/extra-target-flags.nix { })
EXTRA_FLAGS_FOR_TARGET
EXTRA_LDFLAGS_FOR_TARGET
;
} // optionalAttrs is7 {
NIX_CFLAGS_COMPILE = lib.optionalString (stdenv.cc.isClang && langFortran) "-Wno-unused-command-line-argument"
# Downgrade register storage class specifier errors to warnings when building a cross compiler from a clang stdenv.
+ lib.optionalString (stdenv.cc.isClang && targetPlatform != hostPlatform) " -Wno-register";
} // optionalAttrs (!is7 && !atLeast12 && stdenv.cc.isClang && targetPlatform != hostPlatform) {
NIX_CFLAGS_COMPILE = "-Wno-register";
} // optionalAttrs (!atLeast7) {
inherit langJava;
} // optionalAttrs atLeast6 {
NIX_LDFLAGS = lib.optionalString hostPlatform.isSunOS "-lm";
});
passthru = {
inherit langC langCC langObjC langObjCpp langAda langFortran langGo langD langJava version;
isGNU = true;
hardeningUnsupportedFlags = lib.optional is48 "stackprotector"
++ lib.optional (!atLeast11) "zerocallusedregs"
++ lib.optional (!atLeast12) "fortify3"
++ lib.optionals (langFortran) [ "fortify" "format" ];
};
enableParallelBuilding = true;
inherit enableShared enableMultilib;
meta = {
inherit (callFile ./common/meta.nix { })
homepage
license
description
longDescription
platforms
maintainers
;
} // lib.optionalAttrs (!atLeast11) {
badPlatforms =
# avr-gcc8 is maintained for the `qmk` package
if (is8 && targetPlatform.isAvr) then []
else if !(is48 || is49) then [ "aarch64-darwin" ]
else lib.platforms.darwin;
} // lib.optionalAttrs is11 {
badPlatforms = if targetPlatform != hostPlatform then [ "aarch64-darwin" ] else [ ];
};
} // lib.optionalAttrs (!atLeast10 && stdenv.targetPlatform.isDarwin) {
# GCC <10 requires default cctools `strip` instead of `llvm-strip` used by Darwin bintools.
preBuild = ''
makeFlagsArray+=('STRIP=${lib.getBin darwin.cctools-port}/bin/${stdenv.cc.targetPrefix}strip')
'';
} // optionalAttrs (!atLeast8) {
doCheck = false; # requires a lot of tools, causes a dependency cycle for stdenv
} // optionalAttrs enableMultilib {
dontMoveLib64 = true;
} // optionalAttrs (((is49 && !stdenv.hostPlatform.isDarwin) || is6) && langJava) {
postFixup = ''
target="$(echo "$out/libexec/gcc"/*/*/ecj*)"
patchelf --set-rpath "$(patchelf --print-rpath "$target"):$out/lib" "$target"
'';
}
))
([
(callPackage ./common/libgcc.nix { inherit version langC langCC langJit targetPlatform hostPlatform withoutTargetLibc enableShared libcCross; })
] ++ optionals atLeast11 [
(callPackage ./common/checksum.nix { inherit langC langCC; })
])