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Copy pathz3_add_cxx_flag.cmake
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z3_add_cxx_flag.cmake
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include(CheckCXXCompilerFlag)
include(CMakeParseArguments)
function(z3_add_cxx_flag flag)
CMAKE_PARSE_ARGUMENTS(z3_add_flag "REQUIRED;GLOBAL" "" "" ${ARGN})
string(REPLACE "-" "_" SANITIZED_FLAG_NAME "${flag}")
string(REPLACE "/" "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
string(REPLACE "=" "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
string(REPLACE " " "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
string(REPLACE ":" "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
string(REPLACE "+" "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
unset(HAS_${SANITIZED_FLAG_NAME})
CHECK_CXX_COMPILER_FLAG("${flag}" HAS_${SANITIZED_FLAG_NAME})
if (z3_add_flag_REQUIRED AND NOT HAS_${SANITIZED_FLAG_NAME})
message(FATAL_ERROR "The flag \"${flag}\" is required but your C++ compiler doesn't support it")
endif()
if (HAS_${SANITIZED_FLAG_NAME})
message(STATUS "C++ compiler supports ${flag}")
if (z3_add_flag_GLOBAL)
# Set globally
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag} " PARENT_SCOPE)
else()
list(APPEND Z3_COMPONENT_CXX_FLAGS "${flag}")
set(Z3_COMPONENT_CXX_FLAGS "${Z3_COMPONENT_CXX_FLAGS}" PARENT_SCOPE)
endif()
else()
message(STATUS "C++ compiler does not support ${flag}")
endif()
endfunction()