[cfe-dev] Error in xmmintrin.h with Clang and LLVM 3.1 built from RELEASE_31 tag.

[Gabe Rives-Corbett]

Hello, 

I built Clang and LLVM 3.1 on OS X using the following configure command:

configure --with-gcc-toolchain=/opt/local/ --prefix=/opt/clang-3.1/ --enable-targets=x86_64,x86 --enable-optimized

the reason for the gcc-tolchain location is to use the macports gcc 4.6 libstdc++ in order to support more of C++11.  I also made the following changes to InitHeaderSearch::AddDefaultCIncludePaths:

void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
                                            const HeaderSearchOptions &HSOpts) {
  llvm::Triple::OSType os = triple.getOS();

  if (HSOpts.UseStandardSystemIncludes) {
    switch (os) {
    case llvm::Triple::FreeBSD:
    case llvm::Triple::NetBSD:
      break;
    default:
      // FIXME: temporary hack: hard-coded paths.
      //AddPath("/usr/local/include", System, true, false, false);
      
      AddPath("/opt/local/include/gcc46/c++", System, true, false, false);
 AddPath("/opt/local/include/gcc46/c++/x86_64-apple-darwin11/.", System, true, false, false);
      AddPath("/opt/local/include/gcc46/c++/backward/", System, true, false, false);
      AddPath("/opt/local/lib/gcc46/gcc/x86_64-apple-darwin11/4.6.3/include", System, true, false, false);
      AddPath("/usr/local/include", System, true, false, false);
      AddPath("/opt/local/lib/gcc46/gcc/x86_64-apple-darwin11/4.6.3/include-fixed", System, true, false, false);
      AddPath("/usr/include", System, true, false, false);

      break;
    }
  }



Then when building a C source file I get the following error:

In file included from /System/Library/Frameworks/Carbon.framework/Headers/Carbon.h:20:
In file included from /System/Library/Frameworks/CoreServices.framework/Headers/CoreServices.h:21:
In file included from /System/Library/Frameworks/CoreServices.framework/Frameworks/AE.framework/Headers/AE.h:20:
In file included from /System/Library/Frameworks/CoreServices.framework/Frameworks/CarbonCore.framework/Headers/CarbonCore.h:129:
In file included from /System/Library/Frameworks/CoreServices.framework/Frameworks/CarbonCore.framework/Headers/DriverServices.h:32:
In file included from /System/Library/Frameworks/CoreServices.framework/Frameworks/CarbonCore.framework/Headers/MachineExceptions.h:29:
/opt/local/lib/gcc46/gcc/x86_64-apple-darwin11/4.6.3/include/xmmintrin.h:102:10: error: invalid conversion between vector type '__m128' and integer type 'int' of different size

Any ideas? 

-- 
Gabe Rives-Corbett

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