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if(GROUP_MODE STREQUAL "GROUP_USE_GROUP")
set(_deprecation_macros_base_name "LIBGROUP")
else()
set(_deprecation_macros_base_name "LIBRARY")
endif()
function(testAPI code_var_name)
set(options BUILD_TIME_ONLY_DISABLABLE NO_WARNING)
set(oneValueArgs DEPRECATED_AT CXX_STANDARD)
set(multiValueArgs)
cmake_parse_arguments(ARGS "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if((NOT ARGS_DEPRECATED_AT) OR
(ARGS_BUILD_TIME_ONLY_DISABLABLE AND ARGS_DEPRECATED_AT VERSION_GREATER DEPRECATED_EXCLUDED_BEFORE_AND_AT))
set(_build_result_expected TRUE)
else()
set(_build_result_expected FALSE)
endif()
if (ARGS_CXX_STANDARD)
if(MSVC)
# C++11 is default for MSVC, no /std:c++11 flag available to set
if (NOT ARGS_CXX_STANDARD STREQUAL "11")
set(std_flag "/std:c++${ARGS_CXX_STANDARD}")
endif()
else()
set(std_flag "-std=c++${ARGS_CXX_STANDARD}")
endif()
else()
set(std_flag)
endif()
set(CMAKE_REQUIRED_FLAGS "${std_flag}")
set(CMAKE_REQUIRED_LIBRARIES library)
set(CMAKE_REQUIRED_DEFINITIONS "-D${_deprecation_macros_base_name}_NO_DEPRECATED")
set(_code "
#include <library.hpp>
int main(int, char**)
{
${${code_var_name}}
}
")
unset(_result CACHE) # clear out as check_cxx_source_compiles caches the result
check_cxx_source_compiles("${_code}" _result)
assert_var_bool_value(_result ${_build_result_expected})
# check warning
if(_build_result_expected)
if(ARGS_BUILD_TIME_ONLY_DISABLABLE AND NOT ARGS_NO_WARNING)
set(_dep_warning_as_error_result_expected FALSE)
else()
set(_dep_warning_as_error_result_expected TRUE)
endif()
if(MSVC)
# warning C4996 warns about deprecated declarations
set(dep_warning_as_error_flag "-we4996")
else()
set(dep_warning_as_error_flag "-Werror=deprecated-declarations")
endif()
set(CMAKE_REQUIRED_FLAGS "${std_flag} ${dep_warning_as_error_flag}")
set(CMAKE_REQUIRED_DEFINITIONS) # unset LIBRARY_DISABLE_DEPRECATED_BEFORE_AND_AT, as LIBRARY_DEPRECATED_WARNINGS_SINCE defaults to it
unset(_dep_warning_result CACHE) # clear out as check_cxx_source_compiles caches the result
check_cxx_source_compiles("${_code}" _dep_warning_result)
assert_var_bool_value(_dep_warning_result ${_dep_warning_as_error_result_expected})
endif()
endfunction()
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