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authorBrad King <brad.king@kitware.com>2013-10-04 14:13:08 (GMT)
committerBrad King <brad.king@kitware.com>2013-10-04 17:39:22 (GMT)
commit3d8356d486ae736d1ba151aedfeb928222e7a084 (patch)
treeca7a5aefdaac1f61bb04c96a11095642d5f7dbc3 /Modules/Compiler/Clang.cmake
parent51ab85c398319c074200ca51f37baa0e4c47ed7c (diff)
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Clang: Support Windows variants for GNU and MSVC (#13035, #14458)
Teach the compiler identification preprocessor tests to report when Clang simulates MSVC, and what version. If not MSVC, assume GNU. Teach compiler information modules Clang-(C|CXX) to recognize when Clang simulates MSVC and skip loading the GNU information. Teach the Windows-MSVC platform information to recognize when it is loaded as the simulated compiler and use that version information instead of the real compiler's (different) version scheme. Add platform modules Windows-Clang-(C|CXX) and support module Windows-Clang to load either Windows-MSVC or Windows-GNU and wrap the corresponding information macros.
Diffstat (limited to 'Modules/Compiler/Clang.cmake')
-rw-r--r--Modules/Compiler/Clang.cmake20
1 files changed, 13 insertions, 7 deletions
diff --git a/Modules/Compiler/Clang.cmake b/Modules/Compiler/Clang.cmake
index ec4562a..7d7be5c 100644
--- a/Modules/Compiler/Clang.cmake
+++ b/Modules/Compiler/Clang.cmake
@@ -18,11 +18,17 @@ if(__COMPILER_CLANG)
endif()
set(__COMPILER_CLANG 1)
-include(Compiler/GNU)
+if(CMAKE_C_SIMULATE_ID STREQUAL "MSVC"
+ OR CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC")
+ macro(__compiler_clang lang)
+ endmacro()
+else()
+ include(Compiler/GNU)
-macro(__compiler_clang lang)
- __compiler_gnu(${lang})
- set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIE")
- set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
- set(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
-endmacro()
+ macro(__compiler_clang lang)
+ __compiler_gnu(${lang})
+ set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIE")
+ set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
+ set(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
+ endmacro()
+endif()