Install clang-cc to libexec/clang-cc (instead of bin/clang-cc).
 - Updated ccc & driver to look in libexec/ for tools.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67607 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index eac72ee..d4e8e93 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -74,6 +74,10 @@
   Path += getToolChainDir();
   getProgramPaths().push_back(Path);
 
+  Path = getHost().getDriver().Dir;
+  Path += "/../libexec";
+  getProgramPaths().push_back(Path);
+
   getProgramPaths().push_back(getHost().getDriver().Dir);
 }
 
@@ -151,6 +155,10 @@
                          const char *Platform, const char *OS)
   : ToolChain(Host, Arch, Platform, OS) 
 {
+  std::string Path(getHost().getDriver().Dir);
+  Path += "/../libexec";
+  getProgramPaths().push_back(Path);
+
   getProgramPaths().push_back(getHost().getDriver().Dir);  
 }
 
diff --git a/tools/ccc/ccclib/ToolChain.py b/tools/ccc/ccclib/ToolChain.py
index 5e6f2e0..be949e7 100644
--- a/tools/ccc/ccclib/ToolChain.py
+++ b/tools/ccc/ccclib/ToolChain.py
@@ -139,6 +139,8 @@
                                                   self.getToolChainDir()))
         self.programPathPrefixes.append(os.path.join('/usr/libexec/gcc',
                                                      self.getToolChainDir()))
+        self.programPathPrefixes.append(os.path.join(self.driver.driverDir,
+                                                     '../libexec'))
         self.programPathPrefixes.append(self.driver.driverDir)
 
     def getToolChainDir(self):
@@ -262,6 +264,8 @@
             Phases.AssemblePhase : Tools.GCC_AssembleTool(self),
             Phases.LinkPhase : Tools.GCC_LinkTool(self),
             }
+        self.programPathPrefixes.append(os.path.join(self.driver.driverDir,
+                                                     '../libexec'))
         self.programPathPrefixes.append(self.driver.driverDir)
 
     def selectTool(self, action):
diff --git a/tools/clang-cc/Makefile b/tools/clang-cc/Makefile
index 4539665..d86ce7e 100644
--- a/tools/clang-cc/Makefile
+++ b/tools/clang-cc/Makefile
@@ -25,4 +25,8 @@
            clangFrontend.a clangAST.a clangParse.a clangLex.a		\
            clangBasic.a 
 
+# clang-cc lives in a special location; we can get away with this
+# because nothing else gets installed from here.
+PROJ_bindir := $(DESTDIR)$(PROJ_prefix)/libexec
+
 include $(LLVM_SRC_ROOT)/Makefile.rules