mirror of
https://github.com/NixOS/nixpkgs
synced 2024-10-19 03:47:13 -04:00
6e3cde6383
Note that there is some duplication when building clang now. The llvm source is unpacked twice, ./configure is run twice, and two small unit test libraries are compiled twice. IMO this is a fair tradeoff for having llvm be a separate build unaffected by changes to clang svn path=/nixpkgs/trunk/; revision=29919
63 lines
1.7 KiB
Nix
63 lines
1.7 KiB
Nix
{ stdenv, fetchurl, perl, groff, llvm }:
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assert stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux";
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let
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triplet = if (stdenv.system == "i686-linux") then "i686-unknown-linux-gnu"
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else if (stdenv.system == "x86_64-linux") then "x86_64-unknown-linux-gnu"
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else throw "System not supported";
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version = "2.9";
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in
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stdenv.mkDerivation {
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name = "clang-${version}";
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CC = if stdenv.gcc ? clang then "clang" else "gcc";
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CXX = if stdenv.gcc ? clang then "clang++" else "g++";
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src = llvm.src;
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buildInputs = [ perl llvm groff ];
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configureFlags = [ "--enable-optimized" "--enable-shared" "--disable-static" ];
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srcClang = fetchurl {
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url = "http://llvm.org/releases/${version}/clang-${version}.tgz";
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sha256 = "1pq9g7qxw761dp6gx3amx39kl9p4zhlymmn8gfmcnw9ag0zizi3h";
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};
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prePatch = ''
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pushd tools
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unpackFile $srcClang
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mv clang-${version} clang
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popd
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find
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'';
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patches = [ ./clang-include-paths.patch ./clang-ld-flags.patch ./clang-tblgen.patch ./clang-system-llvm-libs.patch ];
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buildFlags = [ "TableGen=tblgen" "LLVM_CONFIG=llvm-config" ];
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# Set up the header file paths
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preBuild = ''
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sed -i -e 's,C_INCLUDE_PATH,"${stdenv.gcc.libc}/include/",' \
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-e 's,CPP_HOST,"${triplet}",' \
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-e 's,CPP_INCLUDE_PATH,"${stdenv.gcc.gcc}/include/c++/${stdenv.gcc.gcc.version}",' \
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tools/clang/lib/Frontend/InitHeaderSearch.cpp
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pushd utils/unittest
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make
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popd
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cd tools/clang
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'';
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passthru = { gcc = stdenv.gcc.gcc; };
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meta = {
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homepage = http://clang.llvm.org/;
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description = "A C language family frontend for LLVM";
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license = "BSD";
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maintainers = with stdenv.lib.maintainers; [viric shlevy];
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platforms = with stdenv.lib.platforms; linux;
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};
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}
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