Rupert Brooks wrote:
I have a source file which can be compiled into two possible
executables depending on a compiler definition (Specifically, i get a
3D image processing executable if i set IMAGE_DIMENSION=3, and a 2D
executable if IMAGE_DIMENSION=2)
I'm having some problems getting this in CMAKE. ADD_DEFINITIONS does
not seem to do what i want at all, and if i set the source file
properties with SET_SOURCE_FILES_PROPERTIES, then only the final
setting takes effect. I'd prefer not to make two copies of the same
file which only differ by a single define statement. Is there a way
to do what i want in CMAKE?
This feature was just added in the CMake development version recently:
http://www.cmake.org/Bug/bug.php?op=show&bugid=2749
You can get things working now like this though:
// foo.c
... implement code ...
-------------------------------
// foo2d.c
#define IMAGE_DIMENSION 2
#include "foo.c"
-------------------------------
// foo3d.c
#define IMAGE_DIMENSION 3
#include "foo.c"
Then just add one executable with foo2d.c and the other with foo3d.c.
-Brad
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