1 files changed, 117 insertions, 0 deletions
diff --git a/pkgs/development/compilers/llvm/4/llvm.nix b/pkgs/development/compilers/llvm/4/llvm.nix
new file mode 100644
index 000000000000..2d36f7cd0fb1
--- /dev/null
+++ b/pkgs/development/compilers/llvm/4/llvm.nix
@@ -0,0 +1,117 @@
+{ stdenv
+, fetch
+, fetchpatch
+, perl
+, groff
+, cmake
+, python
+, libffi
+, binutils
+, libxml2
+, valgrind
+, ncurses
+, version
+, release_version
+, zlib
+, compiler-rt_src
+, libcxxabi
+, debugVersion ? false
+, enableSharedLibraries ? true
+, darwin
+}:
+
+let
+  src = fetch "llvm" "0ic3y9gaissi6ixyj9x1c0pq69wfbl2svhprp33av0b58f7wj9v7";
+  shlib = if stdenv.isDarwin then "dylib" else "so";
+
+  # Used when creating a version-suffixed symlink of libLLVM.dylib
+  shortVersion = with stdenv.lib;
+    concatStringsSep "." (take 2 (splitString "." release_version));
+in stdenv.mkDerivation rec {
+  name = "llvm-${version}";
+
+  unpackPhase = ''
+    unpackFile ${src}
+    mv llvm-${version}* llvm
+    sourceRoot=$PWD/llvm
+    unpackFile ${compiler-rt_src}
+    mv compiler-rt-* $sourceRoot/projects/compiler-rt
+  '';
+
+  outputs = [ "out" ] ++ stdenv.lib.optional enableSharedLibraries "lib";
+
+  buildInputs = [ perl groff cmake libxml2 python libffi ]
+    ++ stdenv.lib.optionals stdenv.isDarwin
+         [ libcxxabi darwin.cctools darwin.apple_sdk.libs.xpc ];
+
+  propagatedBuildInputs = [ ncurses zlib ];
+
+  # hacky fix: New LLVM releases require a newer OS X SDK than
+  # 10.9. This is a temporary measure until nixpkgs darwin support is
+  # updated.
+  postPatch = stdenv.lib.optionalString stdenv.isDarwin ''
+        sed -i 's/os_trace(\(.*\)");$/printf(\1\\n");/g' ./projects/compiler-rt/lib/sanitizer_common/sanitizer_mac.cc
+  ''
+  # Patch llvm-config to return correct library path based on --link-{shared,static}.
+  + stdenv.lib.optionalString (enableSharedLibraries) ''
+    substitute '${./llvm-outputs.patch}' ./llvm-outputs.patch --subst-var lib
+    patch -p1 < ./llvm-outputs.patch
+  '';
+
+  # hacky fix: created binaries need to be run before installation
+  preBuild = ''
+    mkdir -p $out/
+    ln -sv $PWD/lib $out
+  '';
+
+  cmakeFlags = with stdenv; [
+    "-DCMAKE_BUILD_TYPE=${if debugVersion then "Debug" else "Release"}"
+    "-DLLVM_INSTALL_UTILS=ON"  # Needed by rustc
+    "-DLLVM_BUILD_TESTS=ON"
+    "-DLLVM_ENABLE_FFI=ON"
+    "-DLLVM_ENABLE_RTTI=ON"
+    "-DCOMPILER_RT_INCLUDE_TESTS=OFF" # FIXME: requires clang source code
+  ] ++ stdenv.lib.optional enableSharedLibraries [
+    "-DLLVM_LINK_LLVM_DYLIB=ON"
+  ] ++ stdenv.lib.optional (!isDarwin)
+    "-DLLVM_BINUTILS_INCDIR=${binutils.dev}/include"
+    ++ stdenv.lib.optionals (isDarwin) [
+    "-DLLVM_ENABLE_LIBCXX=ON"
+    "-DCAN_TARGET_i386=false"
+    "-DCMAKE_LIBTOOL=${darwin.cctools}/bin/libtool"
+  ];
+
+  postBuild = ''
+    rm -fR $out
+
+    paxmark m bin/{lli,llvm-rtdyld}
+  '';
+
+  postInstall = ""
+  + stdenv.lib.optionalString (enableSharedLibraries) ''
+    moveToOutput "lib/libLLVM-*" "$lib"
+    moveToOutput "lib/libLLVM.${shlib}" "$lib"
+    substituteInPlace "$out/lib/cmake/llvm/LLVMExports-release.cmake" \
+      --replace "\''${_IMPORT_PREFIX}/lib/libLLVM-" "$lib/lib/libLLVM-"
+  ''
+  + stdenv.lib.optionalString (stdenv.isDarwin && enableSharedLibraries) ''
+    substituteInPlace "$out/lib/cmake/llvm/LLVMExports-release.cmake" \
+      --replace "\''${_IMPORT_PREFIX}/lib/libLLVM.dylib" "$lib/lib/libLLVM.dylib"
+    install_name_tool -id $lib/lib/libLLVM.dylib $lib/lib/libLLVM.dylib
+    install_name_tool -change @rpath/libLLVM.dylib $lib/lib/libLLVM.dylib $out/bin/llvm-config
+    ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${shortVersion}.dylib
+    ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${release_version}.dylib
+  '';
+
+  enableParallelBuilding = true;
+
+  passthru.src = src;
+
+  meta = {
+    description = "Collection of modular and reusable compiler and toolchain technologies";
+    homepage    = http://llvm.org/;
+    license     = stdenv.lib.licenses.ncsa;
+    maintainers = with stdenv.lib.maintainers; [ lovek323 raskin viric dtzWill ];
+    platforms   = stdenv.lib.platforms.all;
+  };
+}