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4 Commits

Author SHA1 Message Date
Benjamin Kramer 559865c89d Reenable -cxx-isystem for Objective C++, until I come up with a better solution 
llvm-svn: 140365
 2011-09-23 02:25:14 +00:00
Benjamin Kramer dcae044a10 Don't test unix path seperators, that will fail on windows. 
llvm-svn: 140343
 2011-09-22 22:14:48 +00:00
Benjamin Kramer e3faaaba79 See if going through env pacifies the windows buildbots. 
llvm-svn: 140342
 2011-09-22 22:08:09 +00:00
Benjamin Kramer 8404eb0bad Add support for CPATH and friends. 
This moves the existing code for CPATH into the driver and adds the environment lookup and path splitting there.
The paths are then passed down to cc1 with -I options (CPATH), added after the normal user-specified include dirs.
Language specific paths are passed via -LANG-isystem and the actual filtering is performed in the frontend.

I tried to match GCC's behavior as close as possible

Fixes PR8971.

llvm-svn: 140341
 2011-09-22 21:41:16 +00:00