[CMake] cmake install and rpath

[James Bigler]

Does anyone have any examples of creating relative rpaths for installation?

James

James Bigler wrote:
> I tried digging through through the mailing list and experimenting on my 
> own, but I don't seem to be able to figure this out.
> 
> I have a toy project that has a shared library and an executable.  I've 
> set it up, so that it can be installed to what ever the 
> CMAKE_INTALL_PREFIX is which works fine.  The installed executable is 
> relinked before installing to have the correct RPATH.
> 
> I tried to use CPack with the TGZ target and it created a tar ball with 
> bin and lib, but the executable still had ${CMAKE_INSTALL_PREFIX}/lib 
> linked.  I would have assumed that something would have relinked my 
> executable to contain a relative path to the library based on the 
> CMAKE_INSTALL_PREFIX.
> 
> I'm using CMake 2.4.6 on Linux.
> 
> Thanks,
> James
> 
> This is the CMakeLists.txt file I'm using:
> 
> PROJECT (Narf)
> 
> SET(BUILD_SHARED_LIBS ON CACHE BOOL "Building shared or static libraries")
> 
> MESSAGE("CMAKE_INSTALL_PREFIX = ${CMAKE_INSTALL_PREFIX}")
> MESSAGE("INSTALL_RPATH = ${INSTALL_RPATH}")
> 
> INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
> 
> ADD_LIBRARY(narfencode encode.cc encode.h)
> 
> ADD_EXECUTABLE(narf main.cc)
> TARGET_LINK_LIBRARIES(narf narfencode)
> 
> SET_TARGET_PROPERTIES(narf
>   PROPERTIES BUILD_WITH_INSTALL_RPATH OFF
>   INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/lib
>   INSTALL_NAME_DIR ${CMAKE_INSTALL_PREFIX}/bin
>   )
> 
> INSTALL(TARGETS narf narfencode
>   RUNTIME DESTINATION bin
>   LIBRARY DESTINATION lib
>   ARCHIVE DESTINATION lib
>   )
> 
> INCLUDE(CPack)
> 
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