2015-01-09 19:22:12 +00:00
|
|
|
|
# The Nixpkgs CC is not directly usable, since it doesn't know where
|
2014-10-10 12:49:26 +01:00
|
|
|
|
# the C library and standard header files are. Therefore the compiler
|
|
|
|
|
# produced by that package cannot be installed directly in a user
|
|
|
|
|
# environment and used from the command line. So we use a wrapper
|
|
|
|
|
# script that sets up the right environment variables so that the
|
|
|
|
|
# compiler and the linker just "work".
|
2008-06-26 12:07:46 +01:00
|
|
|
|
|
2018-02-01 00:00:00 +00:00
|
|
|
|
{ name ? ""
|
2018-09-05 19:33:56 +01:00
|
|
|
|
, stdenvNoCC
|
2017-08-26 16:43:30 +01:00
|
|
|
|
, cc ? null, libc ? null, bintools, coreutils ? null, shell ? stdenvNoCC.shell
|
2018-09-05 19:33:56 +01:00
|
|
|
|
, nativeTools, noLibc ? false, nativeLibc, nativePrefix ? ""
|
|
|
|
|
, propagateDoc ? cc != null && cc ? man
|
2018-03-08 18:56:36 +00:00
|
|
|
|
, extraPackages ? [], extraBuildCommands ? ""
|
2018-05-24 22:43:31 +01:00
|
|
|
|
, isGNU ? false, isClang ? cc.isClang or false, gnugrep ? null
|
2017-08-21 23:26:08 +01:00
|
|
|
|
, buildPackages ? {}
|
2019-01-26 15:17:57 +00:00
|
|
|
|
, libcxx ? null
|
2008-06-26 12:07:46 +01:00
|
|
|
|
}:
|
|
|
|
|
|
2017-09-20 16:07:52 +01:00
|
|
|
|
with stdenvNoCC.lib;
|
2014-10-10 12:49:26 +01:00
|
|
|
|
|
2018-02-01 00:00:00 +00:00
|
|
|
|
assert nativeTools -> !propagateDoc && nativePrefix != "";
|
2015-12-17 22:02:40 +00:00
|
|
|
|
assert !nativeTools ->
|
2017-08-26 16:43:30 +01:00
|
|
|
|
cc != null && coreutils != null && gnugrep != null;
|
2017-05-23 01:59:39 +01:00
|
|
|
|
assert !(nativeLibc && noLibc);
|
|
|
|
|
assert (noLibc || nativeLibc) == (libc == null);
|
2008-06-26 12:07:46 +01:00
|
|
|
|
|
2009-04-09 16:24:33 +01:00
|
|
|
|
let
|
2017-09-20 16:07:52 +01:00
|
|
|
|
stdenv = stdenvNoCC;
|
2017-07-06 02:47:48 +01:00
|
|
|
|
inherit (stdenv) hostPlatform targetPlatform;
|
|
|
|
|
|
2017-02-13 23:01:04 +00:00
|
|
|
|
# Prefix for binaries. Customarily ends with a dash separator.
|
|
|
|
|
#
|
|
|
|
|
# TODO(@Ericson2314) Make unconditional, or optional but always true by
|
|
|
|
|
# default.
|
2017-11-25 18:43:57 +00:00
|
|
|
|
targetPrefix = stdenv.lib.optionalString (targetPlatform != hostPlatform)
|
|
|
|
|
(targetPlatform.config + "-");
|
2009-04-09 16:24:33 +01:00
|
|
|
|
|
2019-08-14 14:52:15 +01:00
|
|
|
|
ccVersion = stdenv.lib.getVersion cc;
|
|
|
|
|
ccName = stdenv.lib.removePrefix targetPrefix (stdenv.lib.getName cc);
|
2012-08-03 18:23:51 +01:00
|
|
|
|
|
2017-05-23 01:59:39 +01:00
|
|
|
|
libc_bin = if libc == null then null else getBin libc;
|
|
|
|
|
libc_dev = if libc == null then null else getDev libc;
|
|
|
|
|
libc_lib = if libc == null then null else getLib libc;
|
2016-04-14 17:00:39 +01:00
|
|
|
|
cc_solib = getLib cc;
|
2016-02-03 15:54:03 +00:00
|
|
|
|
# The wrapper scripts use 'cat' and 'grep', so we may need coreutils.
|
2016-04-14 17:00:39 +01:00
|
|
|
|
coreutils_bin = if nativeTools then "" else getBin coreutils;
|
2017-06-08 19:00:40 +01:00
|
|
|
|
|
2019-04-12 01:51:48 +01:00
|
|
|
|
default_cxx_stdlib_compile = if (targetPlatform.isLinux && !(cc.isGNU or false) && !nativeTools && cc ? gcc) && !(targetPlatform.useLLVM or false) then
|
2019-01-26 15:17:57 +00:00
|
|
|
|
"-isystem $(echo -n ${cc.gcc}/include/c++/*) -isystem $(echo -n ${cc.gcc}/include/c++/*)/$(${cc.gcc}/bin/gcc -dumpmachine)"
|
2019-04-12 01:51:48 +01:00
|
|
|
|
else if targetPlatform.isDarwin && (libcxx != null) && (cc.isClang or false) && !(targetPlatform.useLLVM or false) then
|
2019-01-26 15:17:57 +00:00
|
|
|
|
"-isystem ${libcxx}/include/c++/v1"
|
|
|
|
|
else "";
|
2017-05-23 01:59:39 +01:00
|
|
|
|
|
2017-06-26 05:43:06 +01:00
|
|
|
|
# The "infix salt" is a arbitrary string added in the middle of env vars
|
|
|
|
|
# defined by cc-wrapper's hooks so that multiple cc-wrappers can be used
|
|
|
|
|
# without interfering. For the moment, it is defined as the target triple,
|
|
|
|
|
# adjusted to be a valid bash identifier. This should be considered an
|
|
|
|
|
# unstable implementation detail, however.
|
2018-07-27 01:16:28 +01:00
|
|
|
|
infixSalt = replaceStrings ["-" "."] ["_" "_"] targetPlatform.config;
|
2017-06-19 16:10:27 +01:00
|
|
|
|
|
2017-08-23 21:23:30 +01:00
|
|
|
|
expand-response-params =
|
|
|
|
|
if buildPackages.stdenv.cc or null != null && buildPackages.stdenv.cc != "/dev/null"
|
|
|
|
|
then import ../expand-response-params { inherit (buildPackages) stdenv; }
|
|
|
|
|
else "";
|
2017-06-29 17:06:55 +01:00
|
|
|
|
|
2019-04-21 17:13:37 +01:00
|
|
|
|
# older compilers (for example bootstrap's GCC 5) fail with -march=too-modern-cpu
|
|
|
|
|
isGccArchSupported = arch:
|
|
|
|
|
if cc.isGNU or false then
|
|
|
|
|
{ skylake = versionAtLeast ccVersion "6.0";
|
|
|
|
|
skylake-avx512 = versionAtLeast ccVersion "6.0";
|
|
|
|
|
cannonlake = versionAtLeast ccVersion "8.0";
|
|
|
|
|
icelake-client = versionAtLeast ccVersion "8.0";
|
|
|
|
|
icelake-server = versionAtLeast ccVersion "8.0";
|
|
|
|
|
knm = versionAtLeast ccVersion "8.0";
|
|
|
|
|
}.${arch} or true
|
|
|
|
|
else if cc.isClang or false then
|
|
|
|
|
{ cannonlake = versionAtLeast ccVersion "5.0";
|
|
|
|
|
icelake-client = versionAtLeast ccVersion "7.0";
|
|
|
|
|
icelake-server = versionAtLeast ccVersion "7.0";
|
|
|
|
|
knm = versionAtLeast ccVersion "7.0";
|
|
|
|
|
}.${arch} or true
|
|
|
|
|
else
|
|
|
|
|
false;
|
|
|
|
|
|
2009-04-09 16:24:33 +01:00
|
|
|
|
in
|
2009-03-25 17:34:38 +00:00
|
|
|
|
|
2017-08-28 19:56:08 +01:00
|
|
|
|
# Ensure bintools matches
|
|
|
|
|
assert libc_bin == bintools.libc_bin;
|
|
|
|
|
assert libc_dev == bintools.libc_dev;
|
|
|
|
|
assert libc_lib == bintools.libc_lib;
|
|
|
|
|
assert nativeTools == bintools.nativeTools;
|
|
|
|
|
assert nativeLibc == bintools.nativeLibc;
|
|
|
|
|
assert nativePrefix == bintools.nativePrefix;
|
|
|
|
|
|
2012-12-29 14:11:32 +00:00
|
|
|
|
stdenv.mkDerivation {
|
2017-11-25 18:43:57 +00:00
|
|
|
|
name = targetPrefix
|
2019-08-14 14:52:15 +01:00
|
|
|
|
+ (if name != "" then name else "${ccName}-wrapper")
|
2017-02-13 23:01:04 +00:00
|
|
|
|
+ (stdenv.lib.optionalString (cc != null && ccVersion != "") "-${ccVersion}");
|
2014-02-04 15:58:12 +00:00
|
|
|
|
|
2014-10-10 12:49:26 +01:00
|
|
|
|
preferLocalBuild = true;
|
|
|
|
|
|
2017-08-28 19:56:08 +01:00
|
|
|
|
inherit cc libc_bin libc_dev libc_lib bintools coreutils_bin;
|
2018-09-04 22:13:00 +01:00
|
|
|
|
shell = getBin shell + shell.shellPath or "";
|
2016-02-01 13:42:33 +00:00
|
|
|
|
gnugrep_bin = if nativeTools then "" else gnugrep;
|
2014-02-04 15:58:12 +00:00
|
|
|
|
|
2017-11-25 18:43:57 +00:00
|
|
|
|
inherit targetPrefix infixSalt;
|
2017-06-08 19:00:40 +01:00
|
|
|
|
|
2018-02-01 00:00:00 +00:00
|
|
|
|
outputs = [ "out" ] ++ optionals propagateDoc [ "man" "info" ];
|
2017-06-08 19:00:40 +01:00
|
|
|
|
|
2016-10-07 15:31:37 +01:00
|
|
|
|
passthru = {
|
2017-10-11 00:01:42 +01:00
|
|
|
|
# "cc" is the generic name for a C compiler, but there is no one for package
|
|
|
|
|
# providing the linker and related tools. The two we use now are GNU
|
2017-08-28 19:56:08 +01:00
|
|
|
|
# Binutils, and Apple's "cctools"; "bintools" as an attempt to find an
|
2017-10-11 00:01:42 +01:00
|
|
|
|
# unused middle-ground name that evokes both.
|
2017-08-28 19:56:08 +01:00
|
|
|
|
inherit bintools;
|
2018-05-24 22:43:31 +01:00
|
|
|
|
inherit libc nativeTools nativeLibc nativePrefix isGNU isClang default_cxx_stdlib_compile;
|
2016-10-07 15:31:37 +01:00
|
|
|
|
|
|
|
|
|
emacsBufferSetup = pkgs: ''
|
|
|
|
|
; We should handle propagation here too
|
2017-08-28 19:56:08 +01:00
|
|
|
|
(mapc
|
|
|
|
|
(lambda (arg)
|
|
|
|
|
(when (file-directory-p (concat arg "/include"))
|
|
|
|
|
(setenv "NIX_${infixSalt}_CFLAGS_COMPILE" (concat (getenv "NIX_${infixSalt}_CFLAGS_COMPILE") " -isystem " arg "/include"))))
|
|
|
|
|
'(${concatStringsSep " " (map (pkg: "\"${pkg}\"") pkgs)}))
|
2016-10-07 15:31:37 +01:00
|
|
|
|
'';
|
|
|
|
|
};
|
2014-10-10 12:49:26 +01:00
|
|
|
|
|
2017-08-23 21:55:55 +01:00
|
|
|
|
dontBuild = true;
|
|
|
|
|
dontConfigure = true;
|
|
|
|
|
|
|
|
|
|
unpackPhase = ''
|
|
|
|
|
src=$PWD
|
|
|
|
|
'';
|
|
|
|
|
|
|
|
|
|
installPhase =
|
2014-10-10 12:49:26 +01:00
|
|
|
|
''
|
2017-08-23 22:30:56 +01:00
|
|
|
|
set -u
|
|
|
|
|
|
2018-02-01 00:00:00 +00:00
|
|
|
|
mkdir -p $out/bin $out/nix-support
|
2014-10-10 12:49:26 +01:00
|
|
|
|
|
|
|
|
|
wrap() {
|
|
|
|
|
local dst="$1"
|
|
|
|
|
local wrapper="$2"
|
|
|
|
|
export prog="$3"
|
|
|
|
|
substituteAll "$wrapper" "$out/bin/$dst"
|
|
|
|
|
chmod +x "$out/bin/$dst"
|
|
|
|
|
}
|
|
|
|
|
''
|
|
|
|
|
|
|
|
|
|
+ (if nativeTools then ''
|
2017-08-23 21:55:55 +01:00
|
|
|
|
echo ${if targetPlatform.isDarwin then cc else nativePrefix} > $out/nix-support/orig-cc
|
|
|
|
|
|
2017-05-21 19:51:02 +01:00
|
|
|
|
ccPath="${if targetPlatform.isDarwin then cc else nativePrefix}/bin"
|
2014-10-10 12:49:26 +01:00
|
|
|
|
'' else ''
|
2015-01-09 19:22:12 +00:00
|
|
|
|
echo $cc > $out/nix-support/orig-cc
|
2014-10-10 12:49:26 +01:00
|
|
|
|
|
2016-01-02 10:14:09 +00:00
|
|
|
|
ccPath="${cc}/bin"
|
2014-10-10 12:49:26 +01:00
|
|
|
|
'')
|
|
|
|
|
|
|
|
|
|
+ ''
|
2017-08-28 19:56:08 +01:00
|
|
|
|
# Create symlinks to everything in the bintools wrapper.
|
|
|
|
|
for bbin in $bintools/bin/*; do
|
|
|
|
|
mkdir -p "$out/bin"
|
|
|
|
|
ln -s "$bbin" "$out/bin/$(basename $bbin)"
|
|
|
|
|
done
|
2014-10-10 13:01:38 +01:00
|
|
|
|
|
2017-06-26 06:17:09 +01:00
|
|
|
|
# We export environment variables pointing to the wrapped nonstandard
|
|
|
|
|
# cmds, lest some lousy configure script use those to guess compiler
|
|
|
|
|
# version.
|
2017-11-25 18:43:57 +00:00
|
|
|
|
export named_cc=${targetPrefix}cc
|
|
|
|
|
export named_cxx=${targetPrefix}c++
|
2017-06-26 06:17:09 +01:00
|
|
|
|
|
2017-06-08 19:00:40 +01:00
|
|
|
|
export default_cxx_stdlib_compile="${default_cxx_stdlib_compile}"
|
2015-03-06 19:04:43 +00:00
|
|
|
|
|
2017-11-25 18:43:57 +00:00
|
|
|
|
if [ -e $ccPath/${targetPrefix}gcc ]; then
|
|
|
|
|
wrap ${targetPrefix}gcc ${./cc-wrapper.sh} $ccPath/${targetPrefix}gcc
|
|
|
|
|
ln -s ${targetPrefix}gcc $out/bin/${targetPrefix}cc
|
|
|
|
|
export named_cc=${targetPrefix}gcc
|
|
|
|
|
export named_cxx=${targetPrefix}g++
|
2015-01-09 19:22:12 +00:00
|
|
|
|
elif [ -e $ccPath/clang ]; then
|
2017-11-25 18:43:57 +00:00
|
|
|
|
wrap ${targetPrefix}clang ${./cc-wrapper.sh} $ccPath/clang
|
|
|
|
|
ln -s ${targetPrefix}clang $out/bin/${targetPrefix}cc
|
|
|
|
|
export named_cc=${targetPrefix}clang
|
|
|
|
|
export named_cxx=${targetPrefix}clang++
|
2014-10-10 12:49:26 +01:00
|
|
|
|
fi
|
|
|
|
|
|
2017-11-25 18:43:57 +00:00
|
|
|
|
if [ -e $ccPath/${targetPrefix}g++ ]; then
|
|
|
|
|
wrap ${targetPrefix}g++ ${./cc-wrapper.sh} $ccPath/${targetPrefix}g++
|
|
|
|
|
ln -s ${targetPrefix}g++ $out/bin/${targetPrefix}c++
|
2015-01-09 19:22:12 +00:00
|
|
|
|
elif [ -e $ccPath/clang++ ]; then
|
2017-11-25 18:43:57 +00:00
|
|
|
|
wrap ${targetPrefix}clang++ ${./cc-wrapper.sh} $ccPath/clang++
|
|
|
|
|
ln -s ${targetPrefix}clang++ $out/bin/${targetPrefix}c++
|
2014-10-10 14:48:34 +01:00
|
|
|
|
fi
|
|
|
|
|
|
2015-01-09 19:22:12 +00:00
|
|
|
|
if [ -e $ccPath/cpp ]; then
|
2017-11-25 18:43:57 +00:00
|
|
|
|
wrap ${targetPrefix}cpp ${./cc-wrapper.sh} $ccPath/cpp
|
2014-10-10 12:49:26 +01:00
|
|
|
|
fi
|
|
|
|
|
''
|
|
|
|
|
|
2015-01-09 19:22:12 +00:00
|
|
|
|
+ optionalString cc.langFortran or false ''
|
2017-11-25 18:43:57 +00:00
|
|
|
|
wrap ${targetPrefix}gfortran ${./cc-wrapper.sh} $ccPath/${targetPrefix}gfortran
|
|
|
|
|
ln -sv ${targetPrefix}gfortran $out/bin/${targetPrefix}g77
|
|
|
|
|
ln -sv ${targetPrefix}gfortran $out/bin/${targetPrefix}f77
|
2014-10-10 12:49:26 +01:00
|
|
|
|
''
|
|
|
|
|
|
2015-01-09 19:22:12 +00:00
|
|
|
|
+ optionalString cc.langJava or false ''
|
2017-11-25 18:43:57 +00:00
|
|
|
|
wrap ${targetPrefix}gcj ${./cc-wrapper.sh} $ccPath/${targetPrefix}gcj
|
2014-10-10 12:49:26 +01:00
|
|
|
|
''
|
|
|
|
|
|
2015-01-09 19:22:12 +00:00
|
|
|
|
+ optionalString cc.langGo or false ''
|
2017-11-25 18:43:57 +00:00
|
|
|
|
wrap ${targetPrefix}gccgo ${./cc-wrapper.sh} $ccPath/${targetPrefix}gccgo
|
2017-08-23 21:55:55 +01:00
|
|
|
|
'';
|
|
|
|
|
|
2018-05-13 16:31:24 +01:00
|
|
|
|
strictDeps = true;
|
2017-07-07 20:57:01 +01:00
|
|
|
|
propagatedBuildInputs = [ bintools ];
|
|
|
|
|
depsTargetTargetPropagated = extraPackages;
|
2017-08-23 21:55:55 +01:00
|
|
|
|
|
2018-05-07 18:07:19 +01:00
|
|
|
|
wrapperName = "CC_WRAPPER";
|
|
|
|
|
|
|
|
|
|
setupHooks = [
|
|
|
|
|
../setup-hooks/role.bash
|
|
|
|
|
./setup-hook.sh
|
|
|
|
|
];
|
2017-08-23 21:55:55 +01:00
|
|
|
|
|
|
|
|
|
postFixup =
|
|
|
|
|
''
|
|
|
|
|
set -u
|
2017-08-28 19:56:08 +01:00
|
|
|
|
|
|
|
|
|
# Backwards compatability for packages expecting this file, e.g. with
|
|
|
|
|
# `$NIX_CC/nix-support/dynamic-linker`.
|
|
|
|
|
#
|
|
|
|
|
# TODO(@Ericson2314): Remove this after stable release and force
|
|
|
|
|
# everyone to refer to bintools-wrapper directly.
|
|
|
|
|
if [[ -f "$bintools/nix-support/dynamic-linker" ]]; then
|
|
|
|
|
ln -s "$bintools/nix-support/dynamic-linker" "$out/nix-support"
|
|
|
|
|
fi
|
|
|
|
|
if [[ -f "$bintools/nix-support/dynamic-linker-m32" ]]; then
|
|
|
|
|
ln -s "$bintools/nix-support/dynamic-linker-m32" "$out/nix-support"
|
|
|
|
|
fi
|
2017-08-23 21:55:55 +01:00
|
|
|
|
''
|
|
|
|
|
|
2017-08-28 19:56:08 +01:00
|
|
|
|
+ optionalString (libc != null) ''
|
2017-08-23 21:55:55 +01:00
|
|
|
|
##
|
|
|
|
|
## General libc support
|
|
|
|
|
##
|
|
|
|
|
|
|
|
|
|
# The "-B${libc_lib}/lib/" flag is a quick hack to force gcc to link
|
|
|
|
|
# against the crt1.o from our own glibc, rather than the one in
|
|
|
|
|
# /usr/lib. (This is only an issue when using an `impure'
|
|
|
|
|
# compiler/linker, i.e., one that searches /usr/lib and so on.)
|
|
|
|
|
#
|
|
|
|
|
# Unfortunately, setting -B appears to override the default search
|
|
|
|
|
# path. Thus, the gcc-specific "../includes-fixed" directory is
|
|
|
|
|
# now longer searched and glibc's <limits.h> header fails to
|
|
|
|
|
# compile, because it uses "#include_next <limits.h>" to find the
|
|
|
|
|
# limits.h file in ../includes-fixed. To remedy the problem,
|
|
|
|
|
# another -idirafter is necessary to add that directory again.
|
2018-10-15 22:11:20 +01:00
|
|
|
|
echo "-B${libc_lib}${libc.libdir or "/lib/"} -idirafter ${libc_dev}${libc.incdir or "/include"} ${optionalString isGNU "-idirafter ${cc}/lib/gcc/*/*/include-fixed"}" > $out/nix-support/libc-cflags
|
2017-08-23 21:55:55 +01:00
|
|
|
|
|
|
|
|
|
echo "${libc_lib}" > $out/nix-support/orig-libc
|
|
|
|
|
echo "${libc_dev}" > $out/nix-support/orig-libc-dev
|
2017-08-28 19:56:08 +01:00
|
|
|
|
''
|
2017-08-23 21:55:55 +01:00
|
|
|
|
|
|
|
|
|
+ optionalString (!nativeTools) ''
|
|
|
|
|
##
|
|
|
|
|
## Initial CFLAGS
|
|
|
|
|
##
|
|
|
|
|
|
|
|
|
|
# GCC shows ${cc_solib}/lib in `gcc -print-search-dirs', but not
|
|
|
|
|
# ${cc_solib}/lib64 (even though it does actually search there...)..
|
|
|
|
|
# This confuses libtool. So add it to the compiler tool search
|
|
|
|
|
# path explicitly.
|
|
|
|
|
if [ -e "${cc_solib}/lib64" -a ! -L "${cc_solib}/lib64" ]; then
|
|
|
|
|
ccLDFlags+=" -L${cc_solib}/lib64"
|
|
|
|
|
ccCFlags+=" -B${cc_solib}/lib64"
|
|
|
|
|
fi
|
|
|
|
|
ccLDFlags+=" -L${cc_solib}/lib"
|
|
|
|
|
ccCFlags+=" -B${cc_solib}/lib"
|
|
|
|
|
|
|
|
|
|
echo "$ccLDFlags" > $out/nix-support/cc-ldflags
|
|
|
|
|
echo "$ccCFlags" > $out/nix-support/cc-cflags
|
2019-01-26 15:17:57 +00:00
|
|
|
|
'' + optionalString (targetPlatform.isDarwin && (libcxx != null) && (cc.isClang or false)) ''
|
|
|
|
|
echo " -L${libcxx}/lib" >> $out/nix-support/cc-ldflags
|
|
|
|
|
'' + optionalString propagateDoc ''
|
2017-08-23 21:55:55 +01:00
|
|
|
|
##
|
2018-02-01 00:00:00 +00:00
|
|
|
|
## Man page and info support
|
2017-08-23 21:55:55 +01:00
|
|
|
|
##
|
|
|
|
|
|
2018-09-05 19:35:16 +01:00
|
|
|
|
ln -s ${cc.man} $man
|
|
|
|
|
ln -s ${cc.info} $info
|
2014-10-10 12:49:26 +01:00
|
|
|
|
''
|
|
|
|
|
|
|
|
|
|
+ ''
|
2017-08-23 21:55:55 +01:00
|
|
|
|
##
|
|
|
|
|
## Hardening support
|
|
|
|
|
##
|
2015-02-08 18:36:13 +00:00
|
|
|
|
|
2017-09-16 22:54:17 +01:00
|
|
|
|
export hardening_unsupported_flags="${builtins.concatStringsSep " " (cc.hardeningUnsupportedFlags or [])}"
|
2017-06-20 19:04:24 +01:00
|
|
|
|
''
|
|
|
|
|
|
2019-04-09 19:21:54 +01:00
|
|
|
|
# Machine flags. These are necessary to support
|
2016-08-23 17:13:31 +01:00
|
|
|
|
|
2019-04-09 19:21:54 +01:00
|
|
|
|
# TODO: We should make a way to support miscellaneous machine
|
|
|
|
|
# flags and other gcc flags as well.
|
|
|
|
|
|
|
|
|
|
# Always add -march based on cpu in triple. Sometimes there is a
|
|
|
|
|
# discrepency (x86_64 vs. x86-64), so we provide an "arch" arg in
|
|
|
|
|
# that case.
|
2019-04-27 03:29:52 +01:00
|
|
|
|
+ optionalString ((targetPlatform ? platform.gcc.arch) &&
|
|
|
|
|
isGccArchSupported targetPlatform.platform.gcc.arch) ''
|
|
|
|
|
echo "-march=${targetPlatform.platform.gcc.arch}" >> $out/nix-support/cc-cflags-before
|
2018-06-24 03:05:26 +01:00
|
|
|
|
''
|
|
|
|
|
|
2019-04-09 19:21:54 +01:00
|
|
|
|
# -mcpu is not very useful. You should use mtune and march
|
|
|
|
|
# instead. It’s provided here for backwards compatibility.
|
|
|
|
|
+ optionalString (targetPlatform ? platform.gcc.cpu) ''
|
|
|
|
|
echo "-mcpu=${targetPlatform.platform.gcc.cpu}" >> $out/nix-support/cc-cflags-before
|
2018-10-15 22:11:20 +01:00
|
|
|
|
''
|
|
|
|
|
|
2019-04-09 19:21:54 +01:00
|
|
|
|
# -mfloat-abi only matters on arm32 but we set it here
|
|
|
|
|
# unconditionally just in case. If the abi specifically sets hard
|
|
|
|
|
# vs. soft floats we use it here.
|
2019-04-24 21:29:45 +01:00
|
|
|
|
+ optionalString (targetPlatform ? platform.gcc.float-abi) ''
|
|
|
|
|
echo "-mfloat-abi=${targetPlatform.platform.gcc.float-abi}" >> $out/nix-support/cc-cflags-before
|
2019-04-09 19:21:54 +01:00
|
|
|
|
''
|
|
|
|
|
+ optionalString (targetPlatform ? platform.gcc.fpu) ''
|
|
|
|
|
echo "-mfpu=${targetPlatform.platform.gcc.fpu}" >> $out/nix-support/cc-cflags-before
|
|
|
|
|
''
|
|
|
|
|
+ optionalString (targetPlatform ? platform.gcc.mode) ''
|
|
|
|
|
echo "-mmode=${targetPlatform.platform.gcc.mode}" >> $out/nix-support/cc-cflags-before
|
|
|
|
|
''
|
2019-04-21 17:13:37 +01:00
|
|
|
|
+ optionalString (targetPlatform ? platform.gcc.tune &&
|
|
|
|
|
isGccArchSupported targetPlatform.platform.gcc.tune) ''
|
2019-04-09 19:21:54 +01:00
|
|
|
|
echo "-mtune=${targetPlatform.platform.gcc.tune}" >> $out/nix-support/cc-cflags-before
|
2018-07-28 17:29:02 +01:00
|
|
|
|
''
|
|
|
|
|
|
2019-04-09 19:21:54 +01:00
|
|
|
|
# TODO: categorize these and figure out a better place for them
|
|
|
|
|
+ optionalString hostPlatform.isCygwin ''
|
|
|
|
|
hardening_unsupported_flags+=" pic"
|
|
|
|
|
'' + optionalString targetPlatform.isMinGW ''
|
|
|
|
|
hardening_unsupported_flags+=" stackprotector"
|
|
|
|
|
'' + optionalString targetPlatform.isAvr ''
|
|
|
|
|
hardening_unsupported_flags+=" stackprotector pic"
|
|
|
|
|
'' + optionalString (targetPlatform.libc == "newlib") ''
|
2018-10-15 22:11:20 +01:00
|
|
|
|
hardening_unsupported_flags+=" stackprotector fortify pie pic"
|
2019-04-09 19:21:54 +01:00
|
|
|
|
'' + optionalString targetPlatform.isNetBSD ''
|
|
|
|
|
hardening_unsupported_flags+=" stackprotector fortify"
|
2018-10-15 22:11:20 +01:00
|
|
|
|
''
|
|
|
|
|
|
2019-01-30 02:01:24 +00:00
|
|
|
|
+ optionalString targetPlatform.isWasm ''
|
|
|
|
|
hardening_unsupported_flags+=" stackprotector fortify pie pic"
|
|
|
|
|
''
|
|
|
|
|
|
2018-10-15 22:11:20 +01:00
|
|
|
|
+ optionalString (libc != null && targetPlatform.isAvr) ''
|
|
|
|
|
for isa in avr5 avr3 avr4 avr6 avr25 avr31 avr35 avr51 avrxmega2 avrxmega4 avrxmega5 avrxmega6 avrxmega7 tiny-stack; do
|
|
|
|
|
echo "-B${getLib libc}/avr/lib/$isa" >> $out/nix-support/libc-cflags
|
|
|
|
|
done
|
|
|
|
|
''
|
|
|
|
|
|
2017-06-20 19:04:24 +01:00
|
|
|
|
+ ''
|
2017-06-26 05:43:06 +01:00
|
|
|
|
substituteAll ${./add-flags.sh} $out/nix-support/add-flags.sh
|
|
|
|
|
substituteAll ${./add-hardening.sh} $out/nix-support/add-hardening.sh
|
2018-05-07 18:15:34 +01:00
|
|
|
|
substituteAll ${../wrapper-common/utils.bash} $out/nix-support/utils.bash
|
2017-08-23 21:55:55 +01:00
|
|
|
|
|
|
|
|
|
##
|
|
|
|
|
## Extra custom steps
|
|
|
|
|
##
|
2015-07-20 12:42:30 +01:00
|
|
|
|
''
|
2018-02-01 00:00:00 +00:00
|
|
|
|
|
2015-07-20 12:42:30 +01:00
|
|
|
|
+ extraBuildCommands;
|
2014-10-10 12:49:26 +01:00
|
|
|
|
|
2017-08-28 19:56:08 +01:00
|
|
|
|
inherit expand-response-params;
|
2017-07-01 01:27:48 +01:00
|
|
|
|
|
2018-05-07 18:15:34 +01:00
|
|
|
|
# for substitution in utils.bash
|
2017-08-23 21:39:15 +01:00
|
|
|
|
expandResponseParams = "${expand-response-params}/bin/expand-response-params";
|
2010-12-04 21:45:37 +00:00
|
|
|
|
|
2009-03-25 18:34:27 +00:00
|
|
|
|
meta =
|
2015-01-09 19:22:12 +00:00
|
|
|
|
let cc_ = if cc != null then cc else {}; in
|
|
|
|
|
(if cc_ ? meta then removeAttrs cc.meta ["priority"] else {}) //
|
2009-04-19 17:00:46 +01:00
|
|
|
|
{ description =
|
2015-01-09 19:22:12 +00:00
|
|
|
|
stdenv.lib.attrByPath ["meta" "description"] "System C compiler" cc_
|
2009-04-19 17:00:46 +01:00
|
|
|
|
+ " (wrapper script)";
|
2019-02-01 01:07:55 +00:00
|
|
|
|
priority = 10;
|
2017-07-18 04:36:17 +01:00
|
|
|
|
};
|
2008-06-26 12:07:46 +01:00
|
|
|
|
}
|