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CMakeLists.txt: pass CXX flags from the Makefile

This commit is contained in:
Baruch Sterin 2015-11-05 01:23:31 -08:00
parent c0ba25a693
commit be429079b5
2 changed files with 14 additions and 5 deletions
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18
CMakeLists.txt
View File

@ -1,17 +1,23 @@
cmake_minimum_required(VERSION 2.8.12)
cmake_minimum_required(VERSION 3.3.0)
include(CMakeParseArguments)
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
# filter out flags that are not appropriate for the compiler used
# filter out flags that are not appropriate for the compiler being used
function(target_compile_options_filtered target visibility)
foreach( flag ${ARGN} )
if( flag MATCHES "^-D.*" )
target_compile_options( ${target} ${visibility} ${flag} )
else()
check_c_compiler_flag( ${flag} COMPILER_SUPPORTS__${flag} )
if( COMPILER_SUPPORTS__${flag} )
target_compile_options( ${target} ${visibility} ${flag} )
check_c_compiler_flag( ${flag} C_COMPILER_SUPPORTS__${flag} )
if( C_COMPILER_SUPPORTS__${flag} )
target_compile_options( ${target} ${visibility} $<$<COMPILE_LANGUAGE:C>:${flag}> )
endif()
check_cxx_compiler_flag( ${flag} CXX_COMPILER_SUPPORTS__${flag} )
if( CXX_COMPILER_SUPPORTS__${flag} )
target_compile_options( ${target} ${visibility} $<$<COMPILE_LANGUAGE:CXX>:${flag}> )
endif()
endif()
endforeach()
@ -40,6 +46,8 @@ endfunction()
extract_var(SEPARATOR_SRC ABC_SRC ${MAKE_OUTPUT})
extract_var(SEPARATOR_LIBS ABC_LIBS ${MAKE_OUTPUT})
extract_var(SEPARATOR_CFLAGS ABC_CFLAGS ${MAKE_OUTPUT})
extract_var(SEPARATOR_CXXFLAGS ABC_CXXFLAGS ${MAKE_OUTPUT})
add_executable(abc ${ABC_SRC})

1
Makefile
View File

@ -193,5 +193,6 @@ docs:
cmake_info:
@echo SEPARATOR_CFLAGS $(CFLAGS) SEPARATOR_CFLAGS
@echo SEPARATOR_CXXFLAGS $(CXXFLAGS) SEPARATOR_CXXFLAGS
@echo SEPARATOR_LIBS $(LIBS) SEPARATOR_LIBS
@echo SEPARATOR_SRC $(SRC) SEPARATOR_SRC