[CMake] help using try_run with custom build type

[George Neill]

Hi Denis,

On Wed, Jul 8, 2009 at 2:29 AM, Denis
Scherbakov<denis_scherbakov at yahoo.com> wrote:
>
>> > It appears to fail because the compiler options do not
>> make it in when
>> > creating the executable ... is there something silly I
>> have missed?
>> > Also, I was wondering why TRY_RUN doesn't use the
>> default flags
>> > defined from CMAKE_BUILD_TYPE ?
>
>
>> Is this a bug or am I not using TRY_RUN correctly?
>
> I am not sure that I understood correctly, but once I had a problem passing
> compiler flags to TRY_COMPILE. I solved it by stuffing compile flags into
> CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MY_COMPILE_FLAGS}
>
> I think TRY_RUN is the same.

I'll give that a swing.

I guess I expected when I passed -D"CMAKE_BUILD_TYPE:STRING=<my build
type>" on the command line ... the compilation flags for that build
type would be used in the TRY_* calls  and anything passed in via
COMPILE_DEFINITIONS would just be additional flags.  Apparently that's
not the case! :)

Thanks much,
George