Making clang build for llvm 2.7

(I've not tested the usage of c++ headers though, but it builds c and c++ simple programs)

svn path=/nixpkgs/trunk/; revision=22236

4 files changed, 252 insertions, 4 deletions

diff --git a/pkgs/development/compilers/gcc-4.4/default.nix b/pkgs/development/compilers/gcc-4.4/default.nix
index b1b7aaa33601..bdf2e58bcb4a 100644
--- a/pkgs/development/compilers/gcc-4.4/default.nix
+++ b/pkgs/development/compilers/gcc-4.4/default.nix
@@ -199,7 +199,7 @@ stdenv.mkDerivation ({
 
 
   passthru = { inherit langC langCC langAda langFortran langTreelang langVhdl
-      enableMultilib; };
+      enableMultilib version; };
 
   meta = {
     homepage = http://gcc.gnu.org/;
diff --git a/pkgs/development/compilers/gcc-4.5/default.nix b/pkgs/development/compilers/gcc-4.5/default.nix
index ce4a3944c66a..0544458dfc0e 100644
--- a/pkgs/development/compilers/gcc-4.5/default.nix
+++ b/pkgs/development/compilers/gcc-4.5/default.nix
@@ -277,7 +277,7 @@ stdenv.mkDerivation ({
     else null;
 
   passthru = { inherit langC langCC langAda langFortran langTreelang langVhdl
-      enableMultilib; };
+      enableMultilib version; };
 
   meta = {
     homepage = http://gcc.gnu.org/;
diff --git a/pkgs/development/compilers/llvm/clang-include-paths.patch b/pkgs/development/compilers/llvm/clang-include-paths.patch
new file mode 100644
index 000000000000..3c68c0018593
--- /dev/null
+++ b/pkgs/development/compilers/llvm/clang-include-paths.patch
@@ -0,0 +1,205 @@
+diff --git a/tools/clang/lib/Frontend/InitHeaderSearch.cpp b/tools/clang/lib/Frontend/InitHeaderSearch.cpp
+index cd749d2..b5591f6 100644
+--- a/tools/clang/lib/Frontend/InitHeaderSearch.cpp
++++ b/tools/clang/lib/Frontend/InitHeaderSearch.cpp
+@@ -393,51 +393,7 @@ void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple) {
+       AddPath(*i, System, false, false, false);
+     return;
+   }
+-  llvm::Triple::OSType os = triple.getOS();
+-  switch (os) {
+-  case llvm::Triple::Win32:
+-    {
+-      std::string VSDir;
+-      std::string WindowsSDKDir;
+-      if (getVisualStudioDir(VSDir)) {
+-        AddPath(VSDir + "\\VC\\include", System, false, false, false);
+-        if (getWindowsSDKDir(WindowsSDKDir))
+-          AddPath(WindowsSDKDir, System, false, false, false);
+-        else
+-          AddPath(VSDir + "\\VC\\PlatformSDK\\Include",
+-            System, false, false, false);
+-      }
+-      else {
+-          // Default install paths.
+-        AddPath("C:/Program Files/Microsoft Visual Studio 9.0/VC/include",
+-          System, false, false, false);
+-        AddPath(
+-        "C:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include",
+-          System, false, false, false);
+-        AddPath("C:/Program Files/Microsoft Visual Studio 8/VC/include",
+-          System, false, false, false);
+-        AddPath(
+-        "C:/Program Files/Microsoft Visual Studio 8/VC/PlatformSDK/Include",
+-          System, false, false, false);
+-          // For some clang developers.
+-        AddPath("G:/Program Files/Microsoft Visual Studio 9.0/VC/include",
+-          System, false, false, false);
+-        AddPath(
+-        "G:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include",
+-          System, false, false, false);
+-      }
+-    }
+-    break;
+-  case llvm::Triple::MinGW64:
+-  case llvm::Triple::MinGW32:
+-    AddPath("c:/mingw/include", System, true, false, false);
+-    break;
+-  default:
+-    break;
+-  }
+-
+-  AddPath("/usr/local/include", System, true, false, false);
+-  AddPath("/usr/include", System, false, false, false);
++  AddPath(C_INCLUDE_PATH, System, false, false, false);
+ }
+ 
+ void InitHeaderSearch::AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple) {
+@@ -453,144 +409,9 @@ void InitHeaderSearch::AddDefaultCPlusPlusIncludePaths(const llvm::Triple &tripl
+                                   CXX_INCLUDE_32BIT_DIR, CXX_INCLUDE_64BIT_DIR, triple);
+     return;
+   }
+-  // FIXME: temporary hack: hard-coded paths.
+-  switch (os) {
+-  case llvm::Triple::Cygwin:
+-    AddPath("/lib/gcc/i686-pc-cygwin/3.4.4/include",
+-        System, true, false, false);
+-    AddPath("/lib/gcc/i686-pc-cygwin/3.4.4/include/c++",
+-        System, true, false, false);
+-    break;
+-  case llvm::Triple::MinGW64:
+-    // Try gcc 4.4.0
+-    AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw64", "4.4.0");
+-    // Try gcc 4.3.0
+-    AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw64", "4.3.0");
+-    // Fall through.
+-  case llvm::Triple::MinGW32:
+-    // Try gcc 4.4.0
+-    AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.4.0");
+-    // Try gcc 4.3.0
+-    AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.3.0");
+-    break;
+-  case llvm::Triple::Darwin:
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1",
+-                                "i686-apple-darwin10", "", "x86_64", triple);
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0",
+-                                "i686-apple-darwin8", "", "", triple);
+-    break;
+-  case llvm::Triple::DragonFly:
+-    AddPath("/usr/include/c++/4.1", System, true, false, false);
+-    break;
+-  case llvm::Triple::Linux:
+-    // Exherbo (2010-01-25)
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3",
+-                                "x86_64-pc-linux-gnu", "32", "", triple);
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3",
+-                                "i686-pc-linux-gnu", "", "", triple);
+-    // Debian sid
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4",
+-                                "x86_64-linux-gnu", "32", "", triple);
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4",
+-                                "i486-linux-gnu", "64", "", triple);
+-    // Ubuntu 7.10 - Gutsy Gibbon
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.3",
+-                                "i486-linux-gnu", "", "", triple);
+-    // Ubuntu 9.04
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.3",
+-                                "x86_64-linux-gnu","32", "", triple);
+-    // Ubuntu 9.10
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.1",
+-                                "x86_64-linux-gnu", "32", "", triple);
+-    // Fedora 8
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.2",
+-                                "i386-redhat-linux", "", "", triple);
+-    // Fedora 9
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.0",
+-                                "i386-redhat-linux", "", "", triple);
+-    // Fedora 10
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.2",
+-                                "i386-redhat-linux","", "", triple);
+-
+-    // Fedora 10 x86_64
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.2",
+-                                "x86_64-redhat-linux", "32", "", triple);
+-
+-    // Fedora 11
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.1",
+-                                "i586-redhat-linux","", "", triple);
+-
+-    // Fedora 12
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.2",
+-                                "i686-redhat-linux","", "", triple);
+-
+-    // Fedora 12 (February-2010+)
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3",
+-                                "i686-redhat-linux","", "", triple);
+-      
+-    // openSUSE 11.1 32 bit
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3",
+-                                "i586-suse-linux", "", "", triple);
+-    // openSUSE 11.1 64 bit
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3",
+-                                "x86_64-suse-linux", "32", "", triple);
+-    // openSUSE 11.2
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4",
+-                                "i586-suse-linux", "", "", triple);
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4",
+-                                "x86_64-suse-linux", "", "", triple);
+-    // Arch Linux 2008-06-24
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.1",
+-                                "i686-pc-linux-gnu", "", "", triple);
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.1",
+-                                "x86_64-unknown-linux-gnu", "", "", triple);
+-    // Gentoo x86 2009.1 stable
+-    AddGnuCPlusPlusIncludePaths(
+-      "/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4",
+-      "i686-pc-linux-gnu", "", "", triple);
+-    // Gentoo x86 2009.0 stable
+-    AddGnuCPlusPlusIncludePaths(
+-      "/usr/lib/gcc/i686-pc-linux-gnu/4.3.2/include/g++-v4",
+-      "i686-pc-linux-gnu", "", "", triple);
+-    // Gentoo x86 2008.0 stable
+-    AddGnuCPlusPlusIncludePaths(
+-      "/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/include/g++-v4",
+-      "i686-pc-linux-gnu", "", "", triple);
+-    // Ubuntu 8.10
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3",
+-                                "i486-pc-linux-gnu", "", "", triple);
+-    // Ubuntu 9.04
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3",
+-                                "i486-linux-gnu","", "", triple);
+-    // Gentoo amd64 stable
+-    AddGnuCPlusPlusIncludePaths(
+-        "/usr/lib/gcc/x86_64-pc-linux-gnu/4.1.2/include/g++-v4",
+-        "i686-pc-linux-gnu", "", "", triple);
+-        
+-    // Gentoo amd64 gcc 4.3.2
+-    AddGnuCPlusPlusIncludePaths(
+-        "/usr/lib/gcc/x86_64-pc-linux-gnu/4.3.2/include/g++-v4",
+-        "x86_64-pc-linux-gnu", "", "", triple);
+-        
+-    // Gentoo amd64 gcc 4.4.3
+-    AddGnuCPlusPlusIncludePaths(
+-        "/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.3/include/g++-v4",
+-        "x86_64-pc-linux-gnu", "32", "", triple);
+-    
+-    break;
+-  case llvm::Triple::FreeBSD:
+-    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", "", "", "", triple);
+-    break;
+-  case llvm::Triple::Solaris:
+-    // Solaris - Fall though..
+-  case llvm::Triple::AuroraUX:
+-    // AuroraUX
+-    AddGnuCPlusPlusIncludePaths("/opt/gcc4/include/c++/4.2.4",
+-                                "i386-pc-solaris2.11", "", "", triple);
+-    break;
+-  default:
+-    break;
+-  }
++  AddGnuCPlusPlusIncludePaths(
++      CPP_INCLUDE_PATH,
++      CPP_HOST, "", "", triple);
+ }
+ 
+ void InitHeaderSearch::AddDefaultSystemIncludePaths(const LangOptions &Lang,
diff --git a/pkgs/development/compilers/llvm/default.nix b/pkgs/development/compilers/llvm/default.nix
index 607a15c9da74..a89ee3d04836 100644
--- a/pkgs/development/compilers/llvm/default.nix
+++ b/pkgs/development/compilers/llvm/default.nix
@@ -1,6 +1,7 @@
-{stdenv, fetchurl, gcc, flex, perl, libtool, groff}:
+{stdenv, fetchurl, fetchsvn, gcc, flex, perl, libtool, groff
+, buildClang ? false}:
 
-stdenv.mkDerivation {
+stdenv.mkDerivation ({
   name = "llvm-2.7";
   src = fetchurl {
     url    = http://llvm.org/releases/2.7/llvm-2.7.tgz;
@@ -9,6 +10,8 @@ stdenv.mkDerivation {
 
   buildInputs = [ gcc flex perl libtool groff ];
 
+  configureFlags = [ "--enable-optimized" "--enable-shared" ];
+
   meta = {
     homepage = http://llvm.org/;
     description = "Collection of modular and reusable compiler and toolchain technologies";
@@ -16,3 +19,43 @@ stdenv.mkDerivation {
     platforms = with stdenv.lib.platforms; all;
   };
 }
+//
+(if buildClang then 
+
+  let
+    triplet = if (stdenv.system == "i686-linux") then "i686-unknown-linux-gnu"
+              else if (stdenv.system == "x86_64-linux") then "x86_64-unknown-linux-gnu"
+              else throw "System not supported";
+  in {
+    srcClang = fetchsvn {
+      url = http://llvm.org/svn/llvm-project/cfe/tags/RELEASE_27;
+      rev = 105900;
+      sha256 = "0sfj9glc5yi5fb23h1xihs11l420wzghkm5pk4kwg6pw4w19xg00";
+    };
+
+    prePatch = ''
+      pushd tools
+      cp -R "$srcClang" clang
+      chmod u+w -R clang
+      popd
+    '';
+
+    patches = [ ./clang-include-paths.patch ];
+
+    # Set up the header file paths
+    preConfigure = ''
+      sed -i -e 's,C_INCLUDE_PATH,"${gcc.libc}/include/",' \
+        -e 's,CPP_HOST,"${triplet}",' \
+        -e 's,CPP_INCLUDE_PATH,"${gcc.gcc}/include/c++/${gcc.gcc.version}",' \
+        tools/clang/lib/Frontend/InitHeaderSearch.cpp
+    '';
+
+    meta = {
+      homepage = http://clang.llvm.org/;
+      description = "A C language family frontend for LLVM";
+      maintainers = with stdenv.lib.maintainers; [viric];
+      platforms = with stdenv.lib.platforms; linux;
+    };
+  }
+else {}
+))