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set CMAKE_C_FLAGS rather than build type specific ones

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derselbst 2018-06-02 12:50:57 +02:00
parent 85356d2732
commit c43bb5d505
1 changed files with 17 additions and 16 deletions
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33
CMakeLists.txt
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@ -107,6 +107,15 @@ mark_as_advanced ( LIB_SUFFIX )
# the default C standard to use for all targets
set(CMAKE_C_STANDARD 90)
# the default global visibility level for all target
# no visibility support on OS2
if ( NOT OS2 )
set ( CMAKE_C_VISIBILITY_PRESET hidden )
endif ( NOT OS2 )
# enforce visibility control for all types of cmake targets
cmake_policy ( SET CMP0063 NEW )
# Default install directory names
include ( DefaultDirs )
@ -157,24 +166,18 @@ if ( CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang" OR CMAKE_C_
endif ( NOT APPLE AND NOT OS2 )
# define some warning flags
set ( ADDITIONAL_FLAGS "-Wall -W -Wpointer-arith -Wno-cast-qual -Wstrict-prototypes -Wno-unused-parameter -Wdeclaration-after-statement" )
# no visibility support on OS2
if ( NOT OS2 )
set ( ADDITIONAL_FLAGS "${ADDITIONAL_FLAGS} -fvisibility=hidden" )
endif ( NOT OS2 )
set ( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -W -Wpointer-arith -Wno-cast-qual -Wstrict-prototypes -Wno-unused-parameter -Wdeclaration-after-statement" )
if ( CMAKE_C_COMPILER_ID STREQUAL "Intel" )
# icc needs the restrict flag to recognize C99 restrict pointers
set ( ADDITIONAL_FLAGS "${ADDITIONAL_FLAGS} -restrict" )
set ( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -restrict" )
else () # not intel
# gcc and clang support bad function cast and alignment warnings; add them as well.
set ( ADDITIONAL_FLAGS "${ADDITIONAL_FLAGS} -Wbad-function-cast -Wcast-align" )
set ( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wbad-function-cast -Wcast-align" )
endif (CMAKE_C_COMPILER_ID STREQUAL "Intel" )
set ( CMAKE_C_FLAGS_DEBUG "-g ${ADDITIONAL_FLAGS} -DDEBUG -fsanitize=undefined ${CMAKE_C_FLAGS_DEBUG}" )
set ( CMAKE_C_FLAGS_RELEASE "-O2 -fomit-frame-pointer -finline-functions ${ADDITIONAL_FLAGS} -DNDEBUG ${CMAKE_C_FLAGS_RELEASE}" )
set ( CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g -fomit-frame-pointer -finline-functions ${ADDITIONAL_FLAGS} -DNDEBUG ${CMAKE_C_FLAGS_RELWITHDEBINFO}" )
# prepend to build type specific flags, to allow users to override
set ( CMAKE_C_FLAGS_DEBUG "-g -DDEBUG -fsanitize=undefined ${CMAKE_C_FLAGS_DEBUG}" )
endif ( CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang" OR CMAKE_C_COMPILER_ID STREQUAL "Intel" )
@ -288,9 +291,7 @@ if ( enable-profiling )
set ( OPT_FLAGS "" )
endif ( )
set ( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${OPT_FLAGS}" )
set ( CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${OPT_FLAGS}" )
set ( CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} ${OPT_FLAGS}" )
set ( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OPT_FLAGS}" )
endif ( enable-profiling )
unset ( ENABLE_TRAPONFPE CACHE )
@ -309,12 +310,12 @@ endif ( enable-fpe-check )
if ( enable-debug )
set ( CMAKE_BUILD_TYPE "Debug" CACHE STRING
"Choose the build type, options: Debug Release RelWithDebInfo" FORCE )
"Choose the build type, options: Debug Release RelWithDebInfo MinSizeRel" FORCE )
endif ( enable-debug )
if ( NOT CMAKE_BUILD_TYPE )
set ( CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
"Choose the build type, options: Debug Release RelWithDebInfo" FORCE )
"Choose the build type, options: Debug Release RelWithDebInfo MinSizeRel" FORCE )
endif ( NOT CMAKE_BUILD_TYPE )
unset ( ENABLE_DEBUG CACHE )