[CMake] Custom target bug...

[David Cole]

You're using incorrect arguments as DEPENDS. Things that follow DEPENDS
should be full path file names... not cmake target names.

HTH,
David


On Wed, Aug 19, 2009 at 11:47 AM, Tim Kientzle <kientzle at freebsd.org> wrote:

> Tim Kientzle wrote:
>
>> Tim Kientzle wrote:
>>
>>> I'm having trouble with a custom target that
>>> depends on another custom target defined in a
>>> subdirectory.  Here's a much-simplified version
>>> of what I'm trying to do:
>>>
>>
>> Turns out the subdirectory is a red herring.
>> Here's a much simpler demonstration of the bug:
>>
>> $ cat CMakeLists.txt
>> PROJECT(foobar C)
>> ADD_EXECUTABLE(foo foo.c)
>> ADD_CUSTOM_TARGET(run_foo DEPENDS foo COMMAND foo)
>> ADD_CUSTOM_TARGET(run_all DEPENDS run_foo)
>> $ make run_all
>> [100%] Built target foo
>> Scanning dependencies of target run_foo
>> foo
>> [100%] Built target run_foo
>> Scanning dependencies of target run_all
>> make: don't know how to make run_foo. Stop
>> *** Error code 2
>>
>
> Unfortunately, my original message with the
> background went astray.
>
> The above is a much-simplified version of a problem
> I've been struggling with.  The CMakeLists.txt
> above generates something that works fine with
> Visual Studio (the "run_all" target does "run_foo"
> as expected with no errors).  But if I use a
> Makefile generator (on FreeBSD 8, in this case),
> then I see the strange behavior above:  The
> run_foo target does get run (the "foo" string
> is output from the compiled foo.c) and the build
> then fails being unable to locate run_foo as
> a dependency of run_all.
>
> Having skimmed the Makefiles produced by CMake,
> I'm pretty sure this is a bug in how the generator
> organizes the makefiles; it puts dependency information
> in places where it can't possibly work.
>
> Cheers,
>
> Tim
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