llvm8: support c++ in cross case
this adds libc++ to the LLVM cross, giving us access to the full Nixpkgs set. This requires 4 stages of wrapped compilers: - Clang with no libraries - Clang with just compiler-rt - Clang with Libc, and compiler-rt - Clang with Libc++, Libc, and compiler-rt
This commit is contained in:
parent
d0506bed9f
commit
d453273fbf
|
@ -45,9 +45,9 @@ let
|
|||
# The wrapper scripts use 'cat' and 'grep', so we may need coreutils.
|
||||
coreutils_bin = if nativeTools then "" else getBin coreutils;
|
||||
|
||||
default_cxx_stdlib_compile = if (targetPlatform.isLinux && !(cc.isGNU or false) && !nativeTools && cc ? gcc) then
|
||||
default_cxx_stdlib_compile = if (targetPlatform.isLinux && !(cc.isGNU or false) && !nativeTools && cc ? gcc) && !(targetPlatform.useLLVM or false) then
|
||||
"-isystem $(echo -n ${cc.gcc}/include/c++/*) -isystem $(echo -n ${cc.gcc}/include/c++/*)/$(${cc.gcc}/bin/gcc -dumpmachine)"
|
||||
else if targetPlatform.isDarwin && (libcxx != null) && (cc.isClang or false) then
|
||||
else if targetPlatform.isDarwin && (libcxx != null) && (cc.isClang or false) && !(targetPlatform.useLLVM or false) then
|
||||
"-isystem ${libcxx}/include/c++/v1"
|
||||
else "";
|
||||
|
||||
|
|
|
@ -55,9 +55,9 @@ stdenv.mkDerivation rec {
|
|||
# Hack around weird upsream RPATH bug
|
||||
postInstall = stdenv.lib.optionalString stdenv.isDarwin ''
|
||||
ln -s "$out/lib"/*/* "$out/lib"
|
||||
'' + stdenv.lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
|
||||
'' + stdenv.lib.optionalString (stdenv.hostPlatform.useLLVM or false) ''
|
||||
ln -s $out/lib/*/clang_rt.crtbegin-*.o $out/lib/crtbegin.o
|
||||
ln -s $out/lib/*/cclang_rt.crtend-*.o $out/lib/crtend.o
|
||||
ln -s $out/lib/*/clang_rt.crtend-*.o $out/lib/crtend.o
|
||||
ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o
|
||||
ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o
|
||||
'';
|
||||
|
|
|
@ -23,7 +23,7 @@ let
|
|||
ln -s "${cc}/lib/clang/${release_version}/include" "$rsrc"
|
||||
ln -s "${targetLlvmLibraries.compiler-rt.out}/lib" "$rsrc/lib"
|
||||
echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
|
||||
'' + stdenv.lib.optionalString (stdenv.targetPlatform.isLinux && tools.clang-unwrapped ? gcc) ''
|
||||
'' + stdenv.lib.optionalString (stdenv.targetPlatform.isLinux && tools.clang-unwrapped ? gcc && !(stdenv.targetPlatform.useLLVM or false)) ''
|
||||
echo "--gcc-toolchain=${tools.clang-unwrapped.gcc}" >> $out/nix-support/cc-cflags
|
||||
'';
|
||||
in {
|
||||
|
@ -78,48 +78,78 @@ let
|
|||
|
||||
lldb = callPackage ./lldb.nix {};
|
||||
|
||||
# Below, is the LLVM bootstrapping logic. It handles building a
|
||||
# fully LLVM toolchain from scratch. No GCC toolchain should be
|
||||
# pulled in. As a consequence, it is very quick to build different
|
||||
# targets provided by LLVM and we can also build for what GCC
|
||||
# doesn’t support like LLVM. Probably we should move to some other
|
||||
# file.
|
||||
|
||||
bintools = callPackage ./bintools.nix {};
|
||||
|
||||
lldClang = wrapCCWith rec {
|
||||
cc = tools.clang-unwrapped;
|
||||
libcxx = targetLlvmLibraries.libcxx;
|
||||
bintools = wrapBintoolsWith {
|
||||
inherit (tools) bintools;
|
||||
};
|
||||
extraPackages = [
|
||||
# targetLlvmLibraries.libcxx
|
||||
# targetLlvmLibraries.libcxxabi
|
||||
targetLlvmLibraries.libcxx
|
||||
targetLlvmLibraries.libcxxabi
|
||||
targetLlvmLibraries.compiler-rt
|
||||
];
|
||||
extraBuildCommands = ''
|
||||
echo "-target ${stdenv.targetPlatform.config} -rtlib=compiler-rt" >> $out/nix-support/cc-cflags
|
||||
echo "-target ${stdenv.targetPlatform.config}" >> $out/nix-support/cc-cflags
|
||||
echo "-rtlib=compiler-rt -Wno-unused-command-line-argument" >> $out/nix-support/cc-cflags
|
||||
echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
|
||||
'' + mkExtraBuildCommands cc;
|
||||
};
|
||||
|
||||
lldClangNoLibcxx = wrapCCWith rec {
|
||||
cc = tools.clang-unwrapped;
|
||||
libcxx = null;
|
||||
bintools = wrapBintoolsWith {
|
||||
inherit (tools) bintools;
|
||||
};
|
||||
extraPackages = [
|
||||
targetLlvmLibraries.compiler-rt
|
||||
];
|
||||
extraBuildCommands = ''
|
||||
echo "-target ${stdenv.targetPlatform.config}" >> $out/nix-support/cc-cflags
|
||||
echo "-rtlib=compiler-rt" >> $out/nix-support/cc-cflags
|
||||
echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
|
||||
echo "-nostdlib++" >> $out/nix-support/cc-cflags
|
||||
'' + mkExtraBuildCommands cc;
|
||||
};
|
||||
|
||||
lldClangNoLibc = wrapCCWith rec {
|
||||
cc = tools.clang-unwrapped;
|
||||
libcxx = null;
|
||||
bintools = wrapBintoolsWith {
|
||||
inherit (tools) bintools;
|
||||
libc = null;
|
||||
};
|
||||
extraPackages = [
|
||||
# targetLlvmLibraries.libcxx
|
||||
# targetLlvmLibraries.libcxxabi
|
||||
targetLlvmLibraries.compiler-rt
|
||||
];
|
||||
extraBuildCommands = ''
|
||||
echo "-target ${stdenv.targetPlatform.config} -rtlib=compiler-rt" >> $out/nix-support/cc-cflags
|
||||
echo "-target ${stdenv.targetPlatform.config}" >> $out/nix-support/cc-cflags
|
||||
echo "-rtlib=compiler-rt" >> $out/nix-support/cc-cflags
|
||||
echo "-B${targetLlvmLibraries.compiler-rt}/lib" >> $out/nix-support/cc-cflags
|
||||
'' + mkExtraBuildCommands cc;
|
||||
};
|
||||
|
||||
lldClangNoCompilerRt = wrapCCWith rec {
|
||||
cc = tools.clang-unwrapped;
|
||||
libcxx = null;
|
||||
bintools = wrapBintoolsWith {
|
||||
inherit (tools) bintools;
|
||||
libc = null;
|
||||
};
|
||||
extraPackages = [ ];
|
||||
extraBuildCommands = ''
|
||||
echo "-nostartfiles -target ${stdenv.targetPlatform.config}" >> $out/nix-support/cc-cflags
|
||||
echo "-nostartfiles" >> $out/nix-support/cc-cflags
|
||||
echo "-target ${stdenv.targetPlatform.config}" >> $out/nix-support/cc-cflags
|
||||
'';
|
||||
};
|
||||
|
||||
|
@ -129,21 +159,33 @@ let
|
|||
callPackage = newScope (libraries // buildLlvmTools // { inherit stdenv cmake libxml2 python isl release_version version fetch; });
|
||||
in {
|
||||
|
||||
compiler-rt = callPackage ./compiler-rt.nix {
|
||||
stdenv = if stdenv.hostPlatform.useLLVM or false
|
||||
then overrideCC stdenv buildLlvmTools.lldClangNoCompilerRt
|
||||
else stdenv;
|
||||
};
|
||||
compiler-rt = callPackage ./compiler-rt.nix ({} //
|
||||
(stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
|
||||
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoCompilerRt;
|
||||
}));
|
||||
|
||||
stdenv = overrideCC stdenv buildLlvmTools.clang;
|
||||
|
||||
libcxxStdenv = overrideCC stdenv buildLlvmTools.libcxxClang;
|
||||
|
||||
libcxx = callPackage ./libc++ {};
|
||||
libcxx = callPackage ./libc++ ({} //
|
||||
(stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
|
||||
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
|
||||
}));
|
||||
|
||||
libcxxabi = callPackage ./libc++abi.nix {};
|
||||
libcxxabi = callPackage ./libc++abi.nix ({} //
|
||||
(stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
|
||||
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
|
||||
libunwind = libraries.libunwind;
|
||||
}));
|
||||
|
||||
openmp = callPackage ./openmp.nix {};
|
||||
|
||||
libunwind = callPackage ./libunwind.nix ({} //
|
||||
(stdenv.lib.optionalAttrs (stdenv.hostPlatform.useLLVM or false) {
|
||||
stdenv = overrideCC stdenv buildLlvmTools.lldClangNoLibcxx;
|
||||
}));
|
||||
|
||||
});
|
||||
|
||||
in { inherit tools libraries; } // libraries // tools
|
||||
|
|
|
@ -30,7 +30,8 @@ stdenv.mkDerivation rec {
|
|||
"-DLIBCXX_LIBCXXABI_LIB_PATH=${libcxxabi}/lib"
|
||||
"-DLIBCXX_LIBCPPABI_VERSION=2"
|
||||
"-DLIBCXX_CXX_ABI=libcxxabi"
|
||||
] ++ stdenv.lib.optional stdenv.hostPlatform.isMusl "-DLIBCXX_HAS_MUSL_LIBC=1";
|
||||
] ++ stdenv.lib.optional stdenv.hostPlatform.isMusl "-DLIBCXX_HAS_MUSL_LIBC=1"
|
||||
++ stdenv.lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON";
|
||||
|
||||
enableParallelBuilding = true;
|
||||
|
||||
|
|
|
@ -8,10 +8,15 @@ stdenv.mkDerivation {
|
|||
nativeBuildInputs = [ cmake ];
|
||||
buildInputs = stdenv.lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD) libunwind;
|
||||
|
||||
cmakeFlags = stdenv.lib.optionals (stdenv.hostPlatform.useLLVM or false) [
|
||||
"-DLLVM_ENABLE_LIBCXX=ON"
|
||||
"-DLIBCXXABI_USE_LLVM_UNWINDER=ON"
|
||||
];
|
||||
|
||||
postUnpack = ''
|
||||
unpackFile ${libcxx.src}
|
||||
unpackFile ${llvm.src}
|
||||
export cmakeFlags="-DLLVM_PATH=$PWD/$(ls -d llvm-*) -DLIBCXXABI_LIBCXX_PATH=$PWD/$(ls -d libcxx-*)"
|
||||
cmakeFlags+=" -DLLVM_PATH=$PWD/$(ls -d llvm-*) -DLIBCXXABI_LIBCXX_PATH=$PWD/$(ls -d libcxx-*)"
|
||||
'' + stdenv.lib.optionalString stdenv.isDarwin ''
|
||||
export TRIPLE=x86_64-apple-darwin
|
||||
'' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
|
||||
|
|
22
pkgs/development/compilers/llvm/8/libunwind.nix
Normal file
22
pkgs/development/compilers/llvm/8/libunwind.nix
Normal file
|
@ -0,0 +1,22 @@
|
|||
{ stdenv, version, fetch, cmake, libcxx, fetchpatch }:
|
||||
|
||||
stdenv.mkDerivation {
|
||||
name = "libunwind-${version}";
|
||||
|
||||
src = fetch "libunwind" "0q7ndlldid9wchnny0a936llwxj7zgb9gxp46wjjxvwwkik3l97z";
|
||||
|
||||
nativeBuildInputs = [ cmake ];
|
||||
|
||||
patches = [
|
||||
(fetchpatch {
|
||||
url = "https://github.com/llvm-mirror/libunwind/commit/34a45c630d4c79af403661d267db42fbe7de1178.patch";
|
||||
sha256 = "0n0pv6jvcky8pn3srhrf9x5kbnd0d2kia9xlx2g590f5q0bgwfhv";
|
||||
})
|
||||
(fetchpatch {
|
||||
url = "https://github.com/llvm-mirror/libunwind/commit/e050272d2eb57eb4e56a37b429a61df2ebb8aa3e.patch";
|
||||
sha256 = "1sxyx5xnax8k713jjcxgq3jq3cpnxygs2rcdf5vfja0f2k9jzldl";
|
||||
})
|
||||
];
|
||||
|
||||
enableParallelBuilding = true;
|
||||
}
|
|
@ -39,8 +39,9 @@ stdenv.mkDerivation rec {
|
|||
++ optional (!libOnly) yacc
|
||||
# Provides the mig command used by the build scripts
|
||||
++ optional stdenv.isDarwin bootstrap_cmds;
|
||||
|
||||
buildInputs = [ openssl ]
|
||||
++ optionals (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.libc != "bionic") [ keyutils ]
|
||||
++ optionals (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.libc != "bionic" && !(stdenv.hostPlatform.useLLVM or false)) [ keyutils ]
|
||||
++ optionals (!libOnly) [ openldap libedit ];
|
||||
|
||||
preConfigure = "cd ./src";
|
||||
|
|
|
@ -55,7 +55,7 @@ in lib.init bootStages ++ [
|
|||
else if crossSystem.useAndroidPrebuilt or false
|
||||
then buildPackages."androidndkPkgs_${crossSystem.ndkVer}".clang
|
||||
else if crossSystem.useLLVM or false
|
||||
then buildPackages.llvmPackages_7.lldClang
|
||||
then buildPackages.llvmPackages_8.lldClang
|
||||
else buildPackages.gcc;
|
||||
|
||||
extraNativeBuildInputs = old.extraNativeBuildInputs
|
||||
|
|
|
@ -6989,7 +6989,7 @@ in
|
|||
|
||||
crossLibcStdenv = overrideCC stdenv
|
||||
(if stdenv.targetPlatform.useLLVM or false
|
||||
then buildPackages.llvmPackages_7.lldClangNoLibc
|
||||
then buildPackages.llvmPackages_8.lldClangNoLibc
|
||||
else buildPackages.gccCrossStageStatic);
|
||||
|
||||
# The GCC used to build libc for the target platform. Normal gccs will be
|
||||
|
|
Loading…
Reference in a new issue