626a95a9b4
Apply eb31e481475 to older versions where applicable.
180 lines
5.8 KiB
Nix
180 lines
5.8 KiB
Nix
{ stdenv
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, fetch
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, fetchpatch
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, cmake
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, python
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, libffi
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, libbfd
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, libxml2
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, ncurses
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, version
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, release_version
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, zlib
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, compiler-rt_src
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, debugVersion ? false
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, enableManpages ? false
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, enableSharedLibraries ? !enableManpages
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}:
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let
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src = fetch "llvm" "0l9bf7kdwhlj0kq1hawpyxhna1062z3h7qcz2y8nfl9dz2qksy6s";
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# Used when creating a versioned symlinks of libLLVM.dylib
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versionSuffixes = with stdenv.lib;
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let parts = splitString "." release_version; in
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imap (i: _: concatStringsSep "." (take i parts)) parts;
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in
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stdenv.mkDerivation (rec {
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name = "llvm-${version}";
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unpackPhase = ''
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unpackFile ${src}
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mv llvm-${version}* llvm
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sourceRoot=$PWD/llvm
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unpackFile ${compiler-rt_src}
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mv compiler-rt-* $sourceRoot/projects/compiler-rt
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'';
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outputs = [ "out" ]
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++ stdenv.lib.optional enableSharedLibraries "lib";
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nativeBuildInputs = [ cmake python ]
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++ stdenv.lib.optional enableManpages python.pkgs.sphinx;
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buildInputs = [ libxml2 libffi ];
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propagatedBuildInputs = [ ncurses zlib ];
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# TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks
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# to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra
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# can build this. If we didn't do it, basically the entire nixpkgs on Darwin would have an unfree dependency and we'd
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# get no binary cache for the entire platform. If you really find yourself wanting the TSAN, make this controllable by
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# a flag and turn the flag off during the stdenv build.
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postPatch = stdenv.lib.optionalString stdenv.isDarwin ''
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substituteInPlace ./projects/compiler-rt/cmake/config-ix.cmake \
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--replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)'
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substituteInPlace cmake/modules/AddLLVM.cmake \
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--replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
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--replace 'set(_install_rpath "@loader_path/../lib" ''${extra_libdir})' ""
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''
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# Patch llvm-config to return correct library path based on --link-{shared,static}.
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+ stdenv.lib.optionalString (enableSharedLibraries) ''
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substitute '${./llvm-outputs.patch}' ./llvm-outputs.patch --subst-var lib
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patch -p1 < ./llvm-outputs.patch
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''
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+ ''
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(
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cd projects/compiler-rt
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patch -p1 < ${
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fetchpatch {
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name = "sigaltstack.patch"; # for glibc-2.26
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url = https://github.com/llvm-mirror/compiler-rt/commit/8a5e425a68d.diff;
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sha256 = "0h4y5vl74qaa7dl54b1fcyqalvlpd8zban2d1jxfkxpzyi7m8ifi";
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}
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}
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substituteInPlace lib/esan/esan_sideline_linux.cpp \
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--replace 'struct sigaltstack' 'stack_t'
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)
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'' + # Fix extra space printed in commandline help sometimes, "- help"
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''
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patch -p1 -i ${./cmdline-help.patch}
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'' + stdenv.lib.optionalString stdenv.isAarch64 ''
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patch -p0 < ${../aarch64.patch}
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'' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
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patch -p1 -i ${../TLI-musl.patch}
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patch -p1 -i ${../dynamiclibrary-musl.patch}
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patch -p1 -i ${./sanitizers-nongnu.patch} -d projects/compiler-rt
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'';
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# hacky fix: created binaries need to be run before installation
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preBuild = ''
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mkdir -p $out/
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ln -sv $PWD/lib $out
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'';
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cmakeFlags = with stdenv; [
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"-DCMAKE_BUILD_TYPE=${if debugVersion then "Debug" else "Release"}"
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"-DLLVM_INSTALL_UTILS=ON" # Needed by rustc
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"-DLLVM_BUILD_TESTS=ON"
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"-DLLVM_ENABLE_FFI=ON"
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"-DLLVM_ENABLE_RTTI=ON"
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"-DCOMPILER_RT_INCLUDE_TESTS=OFF" # FIXME: requires clang source code
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"-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
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"-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.hostPlatform.config}"
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"-DTARGET_TRIPLE=${stdenv.hostPlatform.config}"
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]
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++ stdenv.lib.optional enableSharedLibraries
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"-DLLVM_LINK_LLVM_DYLIB=ON"
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++ stdenv.lib.optionals enableManpages [
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"-DLLVM_BUILD_DOCS=ON"
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"-DLLVM_ENABLE_SPHINX=ON"
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"-DSPHINX_OUTPUT_MAN=ON"
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"-DSPHINX_OUTPUT_HTML=OFF"
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"-DSPHINX_WARNINGS_AS_ERRORS=OFF"
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]
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++ stdenv.lib.optional (!isDarwin)
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"-DLLVM_BINUTILS_INCDIR=${libbfd.dev}/include"
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++ stdenv.lib.optionals (isDarwin) [
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"-DLLVM_ENABLE_LIBCXX=ON"
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"-DCAN_TARGET_i386=false"
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];
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postBuild = ''
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rm -fR $out
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'';
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preCheck = ''
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export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PWD/lib
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'';
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postInstall = stdenv.lib.optionalString enableSharedLibraries ''
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moveToOutput "lib/libLLVM-*" "$lib"
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moveToOutput "lib/libLLVM${stdenv.hostPlatform.extensions.sharedLibrary}" "$lib"
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substituteInPlace "$out/lib/cmake/llvm/LLVMExports-${if debugVersion then "debug" else "release"}.cmake" \
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--replace "\''${_IMPORT_PREFIX}/lib/libLLVM-" "$lib/lib/libLLVM-"
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''
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+ stdenv.lib.optionalString (stdenv.isDarwin && enableSharedLibraries) ''
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substituteInPlace "$out/lib/cmake/llvm/LLVMExports-${if debugVersion then "debug" else "release"}.cmake" \
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--replace "\''${_IMPORT_PREFIX}/lib/libLLVM.dylib" "$lib/lib/libLLVM.dylib"
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${stdenv.lib.concatMapStringsSep "\n" (v: ''
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ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${v}.dylib
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'') versionSuffixes}
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'';
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doCheck = stdenv.isLinux && (!stdenv.isi686);
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checkTarget = "check-all";
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enableParallelBuilding = true;
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passthru.src = src;
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meta = {
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description = "Collection of modular and reusable compiler and toolchain technologies";
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homepage = http://llvm.org/;
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license = stdenv.lib.licenses.ncsa;
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maintainers = with stdenv.lib.maintainers; [ lovek323 raskin dtzWill ];
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platforms = stdenv.lib.platforms.all;
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};
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} // stdenv.lib.optionalAttrs enableManpages {
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name = "llvm-manpages-${version}";
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buildPhase = ''
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make docs-llvm-man
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'';
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propagatedBuildInputs = [ ];
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installPhase = ''
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make -C docs install
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'';
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outputs = [ "out" ];
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doCheck = false;
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meta.description = "man pages for LLVM ${version}";
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})
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