[CMake] Different CMAKE_CXX_FLAGS for different executables

[Yuri Timenkov]

Use COMPILE_FLAGS target property. Like this:

set_target_properties(Exec2 PROPERTIES COMPILE_FLAGS "/flag1 /flag2")

You can see full list of properties in CMake documentation. Note that
compiler flags may be also set for particular source file with
set_source_files_properties command.

On Thu, Mar 24, 2011 at 5:44 PM, David Doria <daviddoria at gmail.com> wrote:

> Is there a way to explicitly set the CMAKE_CXX_FLAGS for a particular
> executable? That is, if I set CMAKE_CXX_FLAGS and then have a
> add_executable line, then change CMAKE_CXX_FLAGS and then have another
> add_executable, will the first set of CMAKE_CXX_FLAGS be applied to
> the first executable and the second set of CMAKE_CXX_FLAGS be applied
> to the second executable?
>
> I guess my confusion is that I don't understand how CMake variables are
> cached.
>
> Each time I modify the variable, should I do it using
>
> SET(CMAKE_CXX_FLAGS "some flags")
>
> or
>
> SET(CMAKE_CXX_FLAGS "some flags" CACHE STRING "compiler flags")
>
> ?
>
> In this example: http://codepad.org/PGJRBjss the messages are actually
> not displayed at all, which is only adding to my confusion :)
>
> Any comments on this?
>
> Thanks,
>
> David
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