On 01/16/2012 02:38 PM, [email protected] wrote:
>
> I am new with kdevelop and cmake so apologize for this pretty naive question,
> I
> create in kdevelop a proj3 project and want to link a library so I create a
> second project projA within the proj3 directory
>
> the projA CMakelist is
>
> project(proja)
> set( lib_SOURCES Execute_Msg.cpp )
> add_library(proja ${lib_SOURCES} )
If you want to get a shared library, you should state this explicitly:
ADD_LIBRARY(proja SHARED ${lib_SOURCES} )
Also see the BUILD_SHARED_LIBS variable.
> the proj3 CMakelist is
>
> cmake_minimum_required(VERSION 2.8)
> project(proj3)
> link_directories(/pascal/pKD3/proj3/projA/build)
Never use LINK_DIRECTORIES(), it's unnecessary and dangerous. Instead,
you need ADD_SUBDIRECTORIES(projA) here to make projA known to proj3.
> add_executable(proj3 main.cpp)
> target_link_libraries(proj3 libproja)
In TARGET_LINK_LIBRARIES(), refer to targets to link against
by their *target names*, not by their *file names*, i.e.:
TARGET_LINK_LIBRARIES(proj3 proja)
> there is a libproja file in the /pascal/pKD3/proj3/projA/build directory, so
> I
> don't understand why I get the message /usr/bin/ld: cannot find -llibproja
This is because ld searches a quite restricted set of directories for
libraries specifed by -l; particularly, it doesn't search the current
directory. If you specify targets by their target names, CMake uses
full paths in the linker command lines, so there will be no issue.
> thanks for help
Regards,
Michael
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