108 lines
3.1 KiB
Nix
108 lines
3.1 KiB
Nix
{ stdenv
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, fetch
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, fetchpatch
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, perl
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, groff
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, cmake
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, python2
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, libffi
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, libbfd
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, libxml2
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, valgrind
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, ncurses
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, version
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, zlib
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, compiler-rt_src
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, libcxxabi
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, debugVersion ? false
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, enableSharedLibraries ? !stdenv.isDarwin
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}:
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let
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src = fetch "llvm" "1masakdp9g2dan1yrazg7md5am2vacbkb3nahb3dchpc1knr8xxy";
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in 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}.src 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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buildInputs = [ perl groff cmake libxml2 python2 libffi ]
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++ stdenv.lib.optional stdenv.isDarwin libcxxabi;
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propagatedBuildInputs = [ ncurses zlib ];
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# The goal here is to disable LLVM bindings (currently go and ocaml) regardless
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# of whether the impure CMake search sheananigans find the compilers in global
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# paths. This mostly exists because sandbox builds don't work very well on Darwin
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# and sometimes you get weird behavior if CMake finds go in your system path.
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# This would be far prettier if there were a CMake option to just disable bindings
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# but from what I can tell, there isn't such a thing. The file in question only
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# contains `if(WIN32)` conditions to check whether to disable bindings, so making
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# those always succeed has the net effect of disabling all bindings.
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prePatch = ''
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substituteInPlace cmake/config-ix.cmake --replace "if(WIN32)" "if(1)"
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''
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+ stdenv.lib.optionalString (stdenv ? glibc) ''
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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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)
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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 $out
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'';
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patches = stdenv.lib.optionals (!stdenv.isDarwin) [
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# llvm-config --libfiles returns (non-existing) static libs
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../fix-llvm-config.patch
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];
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cmakeFlags = with stdenv; [
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"-DCMAKE_BUILD_TYPE=${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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] ++ stdenv.lib.optional enableSharedLibraries
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"-DBUILD_SHARED_LIBS=ON"
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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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NIX_LDFLAGS = "-lpthread"; # no idea what's the problem
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postBuild = ''
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rm -fR $out
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paxmark m bin/{lli,llvm-rtdyld}
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'';
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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 viric ];
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platforms = stdenv.lib.platforms.all;
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};
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}
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