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#===------------------------------------------------------------------------===#
#
# The KLEE Symbolic Virtual Machine
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
#
#===------------------------------------------------------------------------===#
include(CheckCXXCompilerFlag)
include(CheckCCompilerFlag)
include(CMakeParseArguments)
function(add_global_cxx_flag flag)
CMAKE_PARSE_ARGUMENTS(add_global_cxx_flag "REQUIRED" "" "" ${ARGN})
string(REPLACE "-" "_" SANITIZED_FLAG_NAME "${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}")
unset(HAS_${SANITIZED_FLAG_NAME})
CHECK_CXX_COMPILER_FLAG("${flag}" HAS_${SANITIZED_FLAG_NAME}_CXX)
if (add_global_cxx_flag_REQUIRED AND NOT HAS_${SANITIZED_FLAG_NAME}_CXX)
message(FATAL_ERROR "The flag \"${flag}\" is required but your C++ compiler doesn't support it")
endif()
if (HAS_${SANITIZED_FLAG_NAME}_CXX)
message(STATUS "C++ compiler supports ${flag}")
# NOTE: Have to be careful here as CMAKE_CXX_FLAGS is a string
# and not a list.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}" PARENT_SCOPE)
else()
message(STATUS "C++ compiler does not support ${flag}")
endif()
endfunction()
function(add_global_c_flag flag)
CMAKE_PARSE_ARGUMENTS(add_global_c_flag "REQUIRED" "" "" ${ARGN})
string(REPLACE "-" "_" SANITIZED_FLAG_NAME "${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}")
unset(HAS_${SANITIZED_FLAG_NAME})
CHECK_C_COMPILER_FLAG("${flag}" HAS_${SANITIZED_FLAG_NAME}_C)
if (add_global_c_flag_REQUIRED AND NOT HAS_${SANITIZED_FLAG_NAME}_C)
message(FATAL_ERROR "The flag \"${flag}\" is required but your C compiler doesn't support it")
endif()
if (HAS_${SANITIZED_FLAG_NAME}_C)
message(STATUS "C compiler supports ${flag}")
# NOTE: Have to be careful here as CMAKE_C_FLAGS is a string
# and not a list.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}" PARENT_SCOPE)
else()
message(STATUS "C compiler does not support ${flag}")
endif()
endfunction()
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