Driver/FreeBSD: Add libexec to program search paths, to workaround some build
problem; patch by Ed Schouten.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105996 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index 9accfe7..a31978c 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -848,6 +848,8 @@
 
 FreeBSD::FreeBSD(const HostInfo &Host, const llvm::Triple& Triple, bool Lib32)
   : Generic_GCC(Host, Triple) {
+  getProgramPaths().push_back(getDriver().Dir + "/../libexec");
+  getProgramPaths().push_back("/usr/libexec");
   if (Lib32) {
     getFilePaths().push_back(getDriver().Dir + "/../lib32");
     getFilePaths().push_back("/usr/lib32");