1 files changed, 125 insertions, 0 deletions
diff --git a/sys-devel/clang/files/clang-2.9-darwin-prefix.patch b/sys-devel/clang/files/clang-2.9-darwin-prefix.patch
new file mode 100644
index 000000000000..8f79e7f6f24e
--- /dev/null
+++ b/sys-devel/clang/files/clang-2.9-darwin-prefix.patch
@@ -0,0 +1,125 @@
+--- tools/clang/lib/Driver/ToolChains.cpp.orig	2011-03-21 22:29:27.000000000 +0100
++++ tools/clang/lib/Driver/ToolChains.cpp	2011-04-07 10:33:41.771314057 +0200
+@@ -139,7 +139,7 @@
+   GCCVersion[2] = 1;
+ 
+   // Set up the tool chain paths to match gcc.
+-  ToolChainDir = "i686-apple-darwin";
++  ToolChainDir = "@GENTOO_PORTAGE_CHOST@";
+   ToolChainDir += llvm::utostr(DarwinVersion[0]);
+   ToolChainDir += "/";
+   ToolChainDir += llvm::utostr(GCCVersion[0]);
+@@ -149,10 +149,10 @@
+   ToolChainDir += llvm::utostr(GCCVersion[2]);
+ 
+   // Try the next major version if that tool chain dir is invalid.
+-  std::string Tmp = "/usr/lib/gcc/" + ToolChainDir;
++  std::string Tmp = "@GENTOO_PORTAGE_EPREFIX@/usr/lib/gcc/" + ToolChainDir;
+   bool Exists;
+   if (llvm::sys::fs::exists(Tmp, Exists) || Exists) {
+-    std::string Next = "i686-apple-darwin";
++	std::string Next = "@GENTOO_PORTAGE_CHOST_ARCH@";
+     Next += llvm::utostr(DarwinVersion[0] + 1);
+     Next += "/";
+     Next += llvm::utostr(GCCVersion[0]);
+@@ -164,7 +164,7 @@
+     // Use that if it exists, otherwise hope the user isn't linking.
+     //
+     // FIXME: Drop dependency on gcc's tool chain.
+-    Tmp = "/usr/lib/gcc/" + Next;
++	Tmp = "@GENTOO_PORTAGE_EPREFIX@/usr/lib/gcc/" + Next;
+     if (!llvm::sys::fs::exists(Tmp, Exists) && Exists)
+       ToolChainDir = Next;
+   }
+@@ -177,7 +177,7 @@
+     Path += "/x86_64";
+     getFilePaths().push_back(Path);
+ 
+-    Path = "/usr/lib/gcc/";
++    Path = "@GENTOO_PORTAGE_EPREFIX@/usr/lib/gcc/";
+     Path += ToolChainDir;
+     Path += "/x86_64";
+     getFilePaths().push_back(Path);
+@@ -188,7 +188,7 @@
+   Path += ToolChainDir;
+   getFilePaths().push_back(Path);
+ 
+-  Path = "/usr/lib/gcc/";
++  Path = "@GENTOO_PORTAGE_EPREFIX@/usr/lib/gcc/";
+   Path += ToolChainDir;
+   getFilePaths().push_back(Path);
+ 
+@@ -197,7 +197,7 @@
+   Path += ToolChainDir;
+   getProgramPaths().push_back(Path);
+ 
+-  Path = "/usr/libexec/gcc/";
++  Path = "@GENTOO_PORTAGE_EPREFIX@/usr/libexec/gcc/";
+   Path += ToolChainDir;
+   getProgramPaths().push_back(Path);
+ 
+@@ -300,14 +300,14 @@
+ 
+   // FIXME: Derive these correctly.
+   if (getArchName() == "x86_64") {
+-    CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
++    CmdArgs.push_back(Args.MakeArgString("-L@GENTOO_PORTAGE_EPREFIX@/usr/lib/gcc/" + ToolChainDir +
+                                          "/x86_64"));
+     // Intentionally duplicated for (temporary) gcc bug compatibility.
+-    CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
++    CmdArgs.push_back(Args.MakeArgString("-L@GENTOO_PORTAGE_EPREFIX@/usr/lib/gcc/" + ToolChainDir +
+                                          "/x86_64"));
+   }
+ 
+-  CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/" + ToolChainDir));
++  CmdArgs.push_back(Args.MakeArgString("-L@GENTOO_PORTAGE_EPREFIX@/usr/lib/" + ToolChainDir));
+ 
+   Tmp = getDriver().Dir + "/../lib/gcc/" + ToolChainDir;
+   bool Exists;
+@@ -316,18 +316,18 @@
+   Tmp = getDriver().Dir + "/../lib/gcc";
+   if (!llvm::sys::fs::exists(Tmp, Exists) && Exists)
+     CmdArgs.push_back(Args.MakeArgString("-L" + Tmp));
+-  CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir));
++  CmdArgs.push_back(Args.MakeArgString("-L@GENTOO_PORTAGE_EPREFIX@/usr/lib/gcc/" + ToolChainDir));
+   // Intentionally duplicated for (temporary) gcc bug compatibility.
+-  CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir));
++  CmdArgs.push_back(Args.MakeArgString("-L@GENTOO_PORTAGE_EPREFIX@/usr/lib/gcc/" + ToolChainDir));
+   Tmp = getDriver().Dir + "/../lib/" + ToolChainDir;
+   if (!llvm::sys::fs::exists(Tmp, Exists) && Exists)
+     CmdArgs.push_back(Args.MakeArgString("-L" + Tmp));
+   Tmp = getDriver().Dir + "/../lib";
+   if (!llvm::sys::fs::exists(Tmp, Exists) && Exists)
+     CmdArgs.push_back(Args.MakeArgString("-L" + Tmp));
+-  CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
++  CmdArgs.push_back(Args.MakeArgString("-L@GENTOO_PORTAGE_EPREFIX@/usr/lib/gcc/" + ToolChainDir +
+                                        "/../../../" + ToolChainDir));
+-  CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc/" + ToolChainDir +
++  CmdArgs.push_back(Args.MakeArgString("-L@GENTOO_PORTAGE_EPREFIX@/usr/lib/gcc/" + ToolChainDir +
+                                        "/../../.."));
+ }
+ 
+@@ -416,22 +416,7 @@
+   P.eraseComponent(); // .../usr/bin -> ../usr
+   P.appendComponent("lib");
+   P.appendComponent("gcc");
+-  switch (getTriple().getArch()) {
+-  default:
+-    assert(0 && "Invalid Darwin arch!");
+-  case llvm::Triple::x86:
+-  case llvm::Triple::x86_64:
+-    P.appendComponent("i686-apple-darwin10");
+-    break;
+-  case llvm::Triple::arm:
+-  case llvm::Triple::thumb:
+-    P.appendComponent("arm-apple-darwin10");
+-    break;
+-  case llvm::Triple::ppc:
+-  case llvm::Triple::ppc64:
+-    P.appendComponent("powerpc-apple-darwin10");
+-    break;
+-  }
++  P.appendComponent("@GENTOO_PORTAGE_CHOST@");
+   P.appendComponent("4.2.1");
+ 
+   // Determine the arch specific GCC subdirectory.