[cfe-commits] r139677 - /cfe/trunk/lib/Driver/Driver.cpp

[Chad Rosier]

Author: mcrosier
Date: Tue Sep 13 19:47:55 2011
New Revision: 139677

URL: http://llvm.org/viewvc/llvm-project?rev=139677&view=rev
Log:
[driver] Add support for the COMPILER_PATH environment variable, which adds the
specified path(s) to the list of prefix directories.
rdar://10097714

Modified:
    cfe/trunk/lib/Driver/Driver.cpp

Modified: cfe/trunk/lib/Driver/Driver.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Driver.cpp?rev=139677&r1=139676&r2=139677&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Driver.cpp (original)
+++ cfe/trunk/lib/Driver/Driver.cpp Tue Sep 13 19:47:55 2011
@@ -241,8 +241,16 @@
   llvm::PrettyStackTraceString CrashInfo("Compilation construction");
 
   // FIXME: Handle environment options which affect driver behavior, somewhere
-  // (client?). GCC_EXEC_PREFIX, COMPILER_PATH, LIBRARY_PATH, LPATH,
-  // CC_PRINT_OPTIONS.
+  // (client?). GCC_EXEC_PREFIX, LIBRARY_PATH, LPATH, CC_PRINT_OPTIONS.
+
+  if (char *env = ::getenv("COMPILER_PATH")) {
+    StringRef CompilerPath = env;
+    while (!CompilerPath.empty()) {
+      std::pair<StringRef, StringRef> Split = CompilerPath.split(':');      
+      PrefixDirs.push_back(Split.first);
+      CompilerPath = Split.second;
+    }
+  }
 
   // FIXME: What are we going to do with -V and -b?