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authorBrad King <brad.king@kitware.com>2014-11-25 15:18:37 (GMT)
committerCMake Topic Stage <kwrobot@kitware.com>2014-11-25 15:18:37 (GMT)
commitcbec5c0445eb48d88d70abae77c0c0a8debd6a41 (patch)
treeeaa5ec1bfd75e1650b654fe61f3f90ecb0a000de /Modules
parentce64e3607f0bccb4b1239d28510c92bc264904ea (diff)
parentf327a9fd26a24b2aaf609a9b3d34258c7a992bb3 (diff)
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Merge topic 'default-lang-dialect-for-master'
f327a9fd Merge branch 'default-lang-dialect' into step2 36bb100e Fix the test for running the CxxDialog unit test. a3d0ae17 Features: Fix the default C dialect for Clang and GNU. 49e2b689 Features: Fix references to CXX compiler version in Clang-C.cmake. 7565ab2c Features: Test the CXX compiler only if it has features.
Diffstat (limited to 'Modules')
-rw-r--r--Modules/Compiler/Clang-C.cmake10
-rw-r--r--Modules/Compiler/GNU-C.cmake7
2 files changed, 12 insertions, 5 deletions
diff --git a/Modules/Compiler/Clang-C.cmake b/Modules/Compiler/Clang-C.cmake
index 92119ba..ebd5c43 100644
--- a/Modules/Compiler/Clang-C.cmake
+++ b/Modules/Compiler/Clang-C.cmake
@@ -6,7 +6,7 @@ if(WIN32 OR (APPLE AND NOT appleClangPolicy STREQUAL NEW))
return()
endif()
-if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
+if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c90")
set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=gnu90")
@@ -17,14 +17,18 @@ if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu11")
endif()
-set(CMAKE_C_STANDARD_DEFAULT 90)
+if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.6)
+ set(CMAKE_C_STANDARD_DEFAULT 11)
+elseif(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
+ set(CMAKE_C_STANDARD_DEFAULT 99)
+endif()
macro(cmake_record_c_compile_features)
macro(_get_clang_features std_version list)
record_compiler_features(C "${std_version}" ${list})
endmacro()
- if (UNIX AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
+ if (UNIX AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
_get_clang_features(${CMAKE_C11_STANDARD_COMPILE_OPTION} CMAKE_C11_COMPILE_FEATURES)
if (_result EQUAL 0)
_get_clang_features(${CMAKE_C99_STANDARD_COMPILE_OPTION} CMAKE_C99_COMPILE_FEATURES)
diff --git a/Modules/Compiler/GNU-C.cmake b/Modules/Compiler/GNU-C.cmake
index c4a2ed6..9018450 100644
--- a/Modules/Compiler/GNU-C.cmake
+++ b/Modules/Compiler/GNU-C.cmake
@@ -12,8 +12,11 @@ if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7)
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu11")
endif()
-# This may change in a future GNU version.
-set(CMAKE_C_STANDARD_DEFAULT 90)
+if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0)
+ set(CMAKE_C_STANDARD_DEFAULT 11)
+else(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7)
+ set(CMAKE_C_STANDARD_DEFAULT 90)
+endif()
macro(cmake_record_c_compile_features)
macro(_get_gcc_features std_version list)