[CMake] Source List Compilation Depending on Configuration

[Nils Gladitz]

On 07/21/2014 03:19 PM, Jörg Kreuzberger wrote:
> 1) i reset it with
>   set( CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS_INIT} )
>   set( CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE_INIT} )
>   set( CMAKE_CXX_FLAGS_DEBUG ${CMAKE_CXX_FLAGS_DEBUG_INIT} )
>
>   and then append my own custom compiler definitions. "-DNDEBUG" appears in flags.make, only in CXX_FLAGS, but not in CXX_DEFINES!
>
> and this is the issue i had with it: as long it appears only in CXX_FLAGS, it works for the code compilation but it does not work for qt4_wrapp_cpp (missing defines for moc).
>
>
> 2) the point i want to change global compiler properties is in my toplevel CMakeLists.txt,
> there i do
> include( cmake/GlobalCompilerSettings.cmake)
>
> 3) following your example, it does not work for COMPILE_DEFINITIONS_RELEASE, but does work for COMPILE_DEFINITIONS.
> (works means it appears in CXX_DEFINES)
> using release cmake 3.0.0 version. Platform is ubuntu linux (makefile generator)

I forgot that COMPILE_DEFINITIONS_<CONFIG> were deprecated.
When you require 3.0 the property is ignored (Policy CMP0043).

$<$<CONFIG:Release>:NDEBUG> in COMPILE_DEFINITIONS should work.

Nils