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Made this cmake script always enable whatever partial C++11 support your compiler has.

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This commit is contained in:
Davis King 2016-07-05 07:03:38 -04:00
parent 0997460820
commit cf421243be
1 changed files with 14 additions and 0 deletions
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14
dlib/cmake_utils/use_cpp_11.cmake
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@ -72,3 +72,17 @@ else()
endif()
endif()
# Always enable whatever partial C++11 support we have, even if it isn't full support.
if (NOT COMPILER_CAN_DO_CPP_11)
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
if(COMPILER_SUPPORTS_CXX11)
message(STATUS "C++11 activated (compiler doesn't have full C++11 support).")
add_global_compiler_switch("-std=c++11")
elseif(COMPILER_SUPPORTS_CXX0X)
message(STATUS "C++0x activated (compiler doesn't have full C++11 support).")
add_global_compiler_switch("-std=c++0x")
endif()
endif()