[CMake] compiling single source with different flags

[Richard Wackerbarth]

Not as a "real" solution, but more as a "workaround", you could create a "derived source file" which is just a copy of the source file and then you would have two separate files to be compiled with the appropriate flags.



On Dec 29, 2009, at 2:22 PM, Bart wrote:

> Hi,
> 
> I'm trying to find a way to build a library with two different instances of the same source file.
> for example I would like to compile foo.c with -DDINT into foo_int.o and with -DDLONG into foo_long.o
> and have both objects added to the same library libfoo.a
> 
> I have experimented with custom command to generate the source files (which did not work), and would have still
> left me with how to compile them with different -D flags.
> 
> So I would be interested to hear how I would be able to do this.
> 
> Thanks,
> 
> Bart