blob: 0b8a12bc547e3ce2a14183713b88a892116acada (
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cmake_policy(SET CMP0067 NEW)
enable_language(CXX)
# Isolate the one try_compile below in the error log.
set(CMakeError_log "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log")
file(REMOVE "${CMakeError_log}")
# Add our own -std= flag to the try_compile check.
set(CMAKE_REQUIRED_FLAGS -std=c++11)
# Tell CMP0128 NEW behavior to append a -std= flag (after ours).
if(CMAKE_CXX_EXTENSIONS_DEFAULT)
set(CMAKE_CXX_EXTENSIONS OFF)
else()
set(CMAKE_CXX_EXTENSIONS ON)
endif()
include(CheckSourceCompiles)
check_source_compiles(CXX "
${check_cxx_std}
int main()
{
return 0;
}
" SRC_COMPILED)
if(NOT SRC_COMPILED)
if(EXISTS "${CMakeError_log}")
file(READ "${CMakeError_log}" err_log)
endif()
message("${err_log}")
endif()
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