[CMake] making two targets with similar names

[Juan Sanchez]

Hi Bill,

What's the proper syntax? Setting the variable in CMakeLists.txt doesn't
work.  Neither does setting it in my initial Cache file (loaded with
cmake -C).

SET (CLEAN_DIRECT_OUTPUT 1 CACHE STRING "1")

Thanks,

Juan

Bill Hoffman wrote:
> Juan Sanchez wrote:
>> I am having the following issue.  I want to create both a libFOO.a and a
>> libFOO.so.  Note that the libFOO.so is composed of more sources than the
>> libFOO.a.
>>
>> I use OUTPUT_NAME in order so they have the same name.  I can make the
>> FOOSTATIC, libFOO.a, target, just fine.  However, making the FOODYNAMIC,
>> libFOO.so, target deletes libFOO.a, just before linking against it.
>> This causes a build error.
>>
>> Is there anyway to prevent this from happening?
>>
>>
>> ADD_LIBRARY (FOOSTATIC  STATIC ${UDB_SRCS})
>> ADD_LIBRARY (FOODYNAMIC SHARED ${PERL_SRCS})
>>
>> target_link_libraries(FOODYNAMIC  FOOSTATIC)
>>
>> SET_TARGET_PROPERTIES(FOODYNAMIC PROPERTIES
>>     LINK_FLAGS --whole-archive
>>     OUTPUT_NAME   FOO
>> )
>>
>> SET_TARGET_PROPERTIES(FOOSTATIC PROPERTIES
>>     OUTPUT_NAME   FOO
>> )
>>   
> See the documentation for OUTPUT_NAME:
> 
> When a library is built CMake by default generates code to remove any 
> existing library using all possible names. This is needed to support 
> libraries that switch between STATIC and SHARED by a user option. 
> However when using OUTPUT_NAME to build a static and shared library of 
> the same name using different logical target names the two targets will 
> remove each other's files. This can be prevented by setting the 
> CLEAN_DIRECT_OUTPUT property to 1.
> 
> 
> -Bill
> 
> 
> 


-- 
Juan Sanchez
Juan.Sanchez at amd.com
800-538-8450 Ext. 54395
512-602-4395