[CMake] Recompile with different flags

[Philip Lowman]

On Mon, Jan 19, 2009 at 4:44 PM, Adam Weiss
<cseadam+cmake at gmail.com<cseadam%2Bcmake at gmail.com>
> wrote:

> I am still fairly new to cmake, and I am not sure how to make
> configurations.  Let me see if I can provide some more details.
>
> The hope is that a third party can run:
>
> mkdir build
> cd build
> cmake ..
> make
>
> and have both libraries built.  A less graceful way I was considering
> was to have cmake copy all the files that need the flag set and then
> use the copies to build the second version of the library.  If you
> could elaborate on how to build configurations of a library I would
> appreciate it.


Sounds like you could call add_library() twice and use the COMPILE_FLAGS
property on each target?

set(my_SRCS foo.h foo.cc)

add_library(foo ${my_SRCS})
set_target_properties(foo PROPERTIES COMPILE_FLAGS "-DFOO")

add_library(foo2 ${my_SRCS})
set_target_properties(foo2 PROPERTIES COMPILE_FLAGS "-DFOO2")


-- 
Philip Lowman
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