forked from openkylin/z3
30 lines
1.3 KiB
CMake
30 lines
1.3 KiB
CMake
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include(CheckCXXCompilerFlag)
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include(CMakeParseArguments)
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function(z3_add_cxx_flag flag)
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CMAKE_PARSE_ARGUMENTS(z3_add_flag "REQUIRED;GLOBAL" "" "" ${ARGN})
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string(REPLACE "-" "_" SANITIZED_FLAG_NAME "${flag}")
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string(REPLACE "/" "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
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string(REPLACE "=" "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
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string(REPLACE " " "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
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string(REPLACE ":" "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
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string(REPLACE "+" "_" SANITIZED_FLAG_NAME "${SANITIZED_FLAG_NAME}")
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unset(HAS_${SANITIZED_FLAG_NAME})
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CHECK_CXX_COMPILER_FLAG("${flag}" HAS_${SANITIZED_FLAG_NAME})
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if (z3_add_flag_REQUIRED AND NOT HAS_${SANITIZED_FLAG_NAME})
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message(FATAL_ERROR "The flag \"${flag}\" is required but your C++ compiler doesn't support it")
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endif()
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if (HAS_${SANITIZED_FLAG_NAME})
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message(STATUS "C++ compiler supports ${flag}")
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if (z3_add_flag_GLOBAL)
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# Set globally
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag} " PARENT_SCOPE)
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else()
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list(APPEND Z3_COMPONENT_CXX_FLAGS "${flag}")
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set(Z3_COMPONENT_CXX_FLAGS "${Z3_COMPONENT_CXX_FLAGS}" PARENT_SCOPE)
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endif()
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else()
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message(STATUS "C++ compiler does not support ${flag}")
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endif()
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endfunction()
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