blob: 64b1a7744ced9d359848c5f9da2bb7888eb59c0e (
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cmake_policy(SET CMP0067 NEW)
enable_language(CXX)
# 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 "
${check_cxx_std}
int main()
{
return 0;
}
" SRC_COMPILED)
if(NOT SRC_COMPILED)
message("Check failed to compile:")
set(configure_log "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeConfigureLog.yaml")
if(EXISTS "${configure_log}")
file(READ "${configure_log}" log_content)
else()
set(log_content "")
endif()
if(log_content MATCHES [[( -
kind: "try_compile-v1"(
+ [^
]+)+
checks:
- "Performing Test SRC_COMPILED"(
+ [^
]+)+)]])
message("${configure_log} contains:\n${CMAKE_MATCH_1}")
endif()
endif()
|
