thanks for your answer.
I've forgot to mention in the hurry yesterday, that inisde the lib
project generator exist which must not compiled with these defines.
if(FOO_OPTION OR BAR_OPTION)
add_executable(generator_target ...)
set_target_properties(generator_target ... COMPILE_DEFINITIONS ...)
endif()
This is the reason for set_target_properties(my_lib ...)
So this solution with add_definitions won't work. Possible it could work
if I removed those defs from target.
Thanks,
Olaf
> If you want to have all of the sub directories to have the defines
present, you could use ADD_DEFINITIONS().
>
> option(FOO_OPTION "enable foo" OFF)
> option(BAR_OPTION "enable bar" OFF)
>
> if(FOO_OPTION)
> add_definitions("-DFOO_X" )
> elseif(BAR_OPTION)
> add_definitions("-DFOO_Y")
> else()
> add_definitions("-DOTHER")
> endif()
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On
Behalf Of Olaf Peter
> Sent: Friday, April 05, 2013 12:58 PM
> To: [email protected]
> Subject: [CMake] compiler defines for sub projects
>
> Hello,
>
> is it possible to inherit compiler defines for sub projects in sub
directories?
>
> I have a library project which can be configured at compile time
using preprocessor defines (cmake option)
>
> option(FOO_OPTION "enable foo" OFF)
> option(BAR_OPTION "enable bar" OFF)
>
>
> if(FOO_OPTION)
> set_target_properties(my_lib PROPERTIES COMPILE_DEFINITIONS
"FOO_X" )
> elseif(BAR_OPTION)
> set_target_properties(my_lib PROPERTIES COMPILE_DEFINITIONS
"FOO_Y")
> else()
> set_target_properties(my_lib PROPERTIES COMPILE_DEFINITIONS
"OTHER" )
> endif()
>
> now, in the sub of this I have unit tests which need to know about
this compile defs, hence I have the same if/else again.
>
> Is there an easy way for this?
>
> Thanks,
> Olaf
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