+++ /dev/null
-# - Adds a compiler flag if it is supported by the compiler
-#
-# This function checks that the supplied compiler flag is supported and then
-# adds it to the corresponding compiler flags
-#
-# add_cxx_compiler_flag(<FLAG> [<VARIANT>])
-#
-# - Example
-#
-# include(AddCXXCompilerFlag)
-# add_cxx_compiler_flag(-Wall)
-# add_cxx_compiler_flag(-no-strict-aliasing RELEASE)
-# Requires CMake 2.6+
-
-if(__add_cxx_compiler_flag)
- return()
-endif()
-set(__add_cxx_compiler_flag INCLUDED)
-
-include(CheckCXXCompilerFlag)
-
-function(add_cxx_compiler_flag FLAG)
- string(TOUPPER "HAVE_CXX_FLAG_${FLAG}" SANITIZED_FLAG)
- string(REPLACE "+" "X" SANITIZED_FLAG ${SANITIZED_FLAG})
- string(REGEX REPLACE "[^A-Za-z_0-9]" "_" SANITIZED_FLAG ${SANITIZED_FLAG})
- string(REGEX REPLACE "_+" "_" SANITIZED_FLAG ${SANITIZED_FLAG})
- set(CMAKE_REQUIRED_FLAGS "${FLAG}")
- check_cxx_compiler_flag("" ${SANITIZED_FLAG})
- if(${SANITIZED_FLAG})
- set(VARIANT ${ARGV1})
- if(ARGV1)
- string(REGEX REPLACE "[^A-Za-z_0-9]" "_" VARIANT "${VARIANT}")
- string(TOUPPER "_${VARIANT}" VARIANT)
- endif()
- set(CMAKE_CXX_FLAGS${VARIANT} "${CMAKE_CXX_FLAGS${VARIANT}} ${FLAG}" PARENT_SCOPE)
- endif()
-endfunction()
-