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Author SHA1 Message Date
Brad King e68f0cb3d4 OS X: Use -iframework with AppleClang only on version >= 4.2 
Since commit v3.1.0-rc1~564^2 (OS X: Use -iframework for system
framework directories, 2014-05-05) we test the version of Clang to see
if it supports -iframework.  Fix the version test used for AppleClang
since it uses a different version scheme than upstream Clang.
 2015-07-22 09:04:04 -04:00
Brad King ab65862417 Clang: Add separate "AppleClang" compiler id 
Apple distributes their own Clang build with their own version numbers
that differ from upstream Clang.  Use the __apple_build_version__ symbol
to identify the Apple Clang compiler and report the Apple Build Version
as the fourth version component in CMAKE_<LANG>_COMPILER_VERSION.  Add
Compiler/AppleClang-<lang> and Platform/Darwin-AppleClang-<lang> modules
that simply include the upstream equivalents.

Fix comparisons of CMAKE_<LANG>_COMPILER_ID to Clang in CMake's own
source and tests to account for AppleClang.
 2013-10-07 20:12:46 -04:00