[CMake] Question about install()

[Michael Jackson]

On Dec 8, 2008, at 11:49 AM, Hendrik Sattler wrote:

> Robert Dailey schrieb:
>> This makes absolutely no sense to me. To copy "all relevant files",  
>> I have
>> to know their name. To know their name, I need to know the platform  
>> and the
>> build configuration, since as I said before the names are different  
>> in both
>> cases.
>
> How do you link against them if you do not know the name? Do you use
> that special auto-linking feature of MSVC?
>
>> I don't think you understand. I have no control over the names of  
>> the shared
>> libraries, since I am using third party libraries, such as boost.
>
> Well, it's obvious that boost library naming sucks a lot. I know that
> you cannot do anything about that.
>
>> For
>> example, in debug I need to use boost_filesystem-mt-gd.dll, and in  
>> release I
>> use boost_filesystem-mt.dll. On Linux debug & release, the suffix  
>> will
>> probably .so instead of .dll. I cannot debug my applications unless  
>> the DLL
>> files can be copied to the location of the executable.
>
> Again, how do you link against those libraries?
>
> HS


Someone created some cmake code to do just this exact thing earlier  
this year. I have been trying to hunt it down in the archives but just  
keep coming up empty. I have some code for an "install" rule. You  
could put that code in a separate cmake file, configure the file  
during cmake time, and then run it as a process.

Here is some code that I use for an actual "install".
MACRO (MXA_INSTALL_SUPPORT_LIBRARY basename)
     IF (HAVE_${basename}_DLL)
       IF (WIN32)
         GET_FILENAME_COMPONENT(${basename}_LIB_DEBUG_NAME ${$ 
{basename}_LIBRARY_DEBUG} NAME_WE)
         GET_FILENAME_COMPONENT(${basename}_LIB_RELEASE_NAME ${$ 
{basename}_LIBRARY_RELEASE} NAME_WE)
         INSTALL(FILES ${${basename}_BIN_DIR}/${$ 
{basename}_LIB_DEBUG_NAME}.dll
             DESTINATION bin
             CONFIGURATIONS Debug
             COMPONENT Runtime)
         INSTALL(FILES ${${basename}_BIN_DIR}/${$ 
{basename}_LIB_RELEASE_NAME}.dll
             DESTINATION bin
             CONFIGURATIONS Release
             COMPONENT Runtime)
       ENDIF (WIN32)
     ENDIF (HAVE_${basename}_DLL)
ENDMACRO(MXA_INSTALL_SUPPORT_LIBRARY basename)

#-- Install the support libraries if needed
IF ( MXA_USE_HDF5 )
MXA_INSTALL_SUPPORT_LIBRARY(HDF5)
ENDIF ( MXA_USE_HDF5 )

This assumes that the library you are trying to copy has CMake  
variables of the form ${basename}_LIB_DEBUG_NAME which boost does.

For instance in my project that I use boost, I have the some boost  
variables of the type:

Boost_FILESYSTEM_LIBRARY_DEBUG
Boost_FILESYSTEM_LIBRARY_RELEASE

Those variables will hold the correct name for each platform that you  
are compiling on. You could try replacing the INSTALL(.. ) command  
with some commands to copy the files.


_________________________________________________________
Mike Jackson                  mike.jackson at bluequartz.net
BlueQuartz Software                    www.bluequartz.net
Principal Software Engineer                  Dayton, Ohio