Driver: Handle magic -ccc- options.

 - Follows ccc currently, but this functionality should eventually be
   outside the Driver lib.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66575 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 1 deletions

diff --git a/tools/driver/driver.cpp b/tools/driver/driver.cpp
index 31990a8f2a..ad6c807327 100644
--- a/tools/driver/driver.cpp
+++ b/tools/driver/driver.cpp
@@ -18,13 +18,20 @@
 #include "clang/Driver/Options.h"
 
 #include "llvm/ADT/OwningPtr.h"
+#include "llvm/System/Path.h"
 #include "llvm/System/Signals.h"
 using namespace clang::driver;
 
 int main(int argc, const char **argv) {
   llvm::sys::PrintStackTraceOnErrorSignal();
 
-  llvm::OwningPtr<Driver> TheDriver(new Driver());
+  // FIXME: We should use GetMainExecutable here, probably, but we may
+  // want to handle symbolic links slightly differently. The problem
+  // is that the path derived from this will influence search paths.
+  llvm::sys::Path Path(argv[0]);
+
+  llvm::OwningPtr<Driver> TheDriver(new Driver(Path.getBasename().c_str(),
+                                               Path.getDirname().c_str()));
 
   llvm::OwningPtr<Compilation> C(TheDriver->BuildCompilation(argc, argv));