On Monday 25 February 2008, dizzy wrote: > On Sunday 24 February 2008 23:22:58 blinkeye wrote: > > >> On 2/24/08, David Sveningsson <[EMAIL PROTECTED]> wrote: > > >> > > >> Hi, I'm quite new with cmake and I can't figure out how to enable > > >> warnings for the generated makefiles/projects. For instance, I would > > >> like to use the -Wall flag with gcc. > > > > like that for example: > > > > set( CMAKE_C_FLAGS "-fstack-protector -fstack-protector-all" ) > > set( CMAKE_C_FLAGS_DEBUG "-O2 -Wall -ggdb" ) > > set( CMAKE_C_FLAGS_RELEASE "-Os -Wall" ) > > > > set( CMAKE_CXX_FLAGS "-fstack-protector -fstack-protector-all" ) > > set( CMAKE_CXX_FLAGS_DEBUG "-O2 -Wall -ggdb" ) > > set( CMAKE_CXX_FLAGS_RELEASE "-Os -Wall" ) > > That looks fairly unportable (how do you make sure your compiler supports > those flags? if it doesn't it won't compile at all which is not probably > what you want since you are using cmake I supose you want it portable). > > I prefer first to detect supported compiler arguments with > CheckCXXCompilerFlag() and if yes add it to the CFLAGS of targets using > SET_TARGET_PROPERTIES(target PROPERTIES COMPILE_FLAGS ...) (and if one > wants to share several flags among many targets, put the flags in some > variables and expand the variables in the SET_TARGET_PROPERTIES commands).
Or the simpler option: if(CMAKE_COMPILER_IS_GNUCC) ... set gcc specific options with cmake cvs/coming 2.6 you can do if (${CMAKE_C_COMPILER_ID} MATCHES GNU) ... set gcc specific options Alex _______________________________________________ CMake mailing list CMake@cmake.org http://www.cmake.org/mailman/listinfo/cmake