On Tue, Mar 24, 2009 at 09:18:01AM +0100, Nadir SOUALEM wrote:
> I would like to use precompilation directive such NO_OPENGL
> Is there a way to use it with this command line ?
> cmake -DCMAKE_BUILD_TYPE=Debug
>
> or must i use something like:
> cmake -DCMAKE_BUILD_TYPE=Debug -DWITH_OPENGL=0
>
> with an if statement:
> if(NOT WITH_OPENGL)
> ADD_DEFINITIONS(-DNO_OPENGL)
> endif
I'm not sure I understand this question, but that solution looks
reasonable. Maybe what you want is more like:
if (WITH_OPENGL)
add_definitions (-DOPENGL)
else (WITH_OPENGL)
add_definitions (-DNO_OPENGL)
endif (WITH_OPENGL)
> How to make a conditional linking, for example if NO_OPENGL
>
>
> TARGET_LINK_LIBRARIES(MyExe
> A
> B
> C)
>
> else
>
> TARGET_LINK_LIBRARIES(MyExe
> A
> B
> C
> GL
> GLU
> GLUT)
In my projects I do something like:
set (MyExe_LINK_LIBS
A
B
C)
if (WITH_OPENGL)
set (MyExe_LINK_LIBS
${MyExe_LINK_LIBS}
GL
GLU
GLUT)
endif (WITH_OPENGL)
target_link_libraries(MyExe ${MyExe_LINK_LIBS})
hth,
tyler
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