[CMake] linker default library path /usr/local/lib on OSX

amine bezzarga abezzarg at gmail.com
Mon Sep 19 19:56:05 EDT 2011 

Yeah, I tried the NO_DEFAULT_PATH option but without success.
My target_link_library command look like this:

target_link_libraries(${CMAKE_PROJECT_NAME} ${OGRE_LIBRARIES}
${OGRE_PLUGIN_LIBRARIES} ${Boost_LIBRARIES} ${OIS_LIBRARIES}
${IrrKlang_LIBRARIES})

Here is the otool output of the sound library:
$ otool -L
./Dependencies/IrrKLangAudioEngine/bin/macosx-gcc/libirrklang.dylib
./Dependencies/IrrKLangAudioEngine/bin/macosx-gcc/libirrklang.dylib
(architecture ppc):
 /usr/local/lib/libirrklang.dylib (compatibility version 1.0.0, current
version 1.0.0)
/System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
(compatibility version 1.0.0, current version 1.0.0)
 /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version
7.4.0)
/usr/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current version
1.0.0)
 /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version
88.3.3)
./Dependencies/IrrKLangAudioEngine/bin/macosx-gcc/libirrklang.dylib
(architecture i386):
 /usr/local/lib/libirrklang.dylib (compatibility version 1.0.0, current
version 1.0.0)
/System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
(compatibility version 1.0.0, current version 1.0.0)
 /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version
7.4.0)
/usr/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current version
1.0.0)
 /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version
88.3.3)

Does it help ?


On Mon, Sep 19, 2011 at 1:56 PM, Michael Jackson <
mike.jackson at bluequartz.net> wrote:

> My guess is that the audio library has an install path of /usr/local/lib
> encoded in it. Try posting tue output of otool for the actual audio
> library.
>
> -----
> Mike Jackson                     <http://www.bluequartz.net>
> www.bluequartz.net
> Principal Software Engineer       <mike.jackson at bluequartz.net>
> mike.jackson at bluequartz.net
> BlueQuartz Software               Dayton, Ohio
> Sent from my mobile device.
>
> On Sep 18, 2011, at 23:38, Cristobal Navarro <axischire at gmail.com> wrote:
>
> ok i get your point.
> mmm. In others words you need something equivalent to rpath command, im
> pretty sure cmake can handle this easily let me know if the following helps.
>
> have you tried adding more options to the find_library command ??
> for example have you tried this (also, with the PATHS command just to be
> sure):
>
> find_library(IrrKlang_LIBRARIES irrKlang
> PATHS
> ${CMAKE_CURRENT_SOURCE_DIR}/Dependencies/IrrKLangAudioEngine/bin/macosx-gcc
>  NO_DEFAULT_PATH
>  )
>
> And what is your "target_link_libraries" command?
>
>
>
> On Sun, Sep 18, 2011 at 12:33 PM, amine bezzarga < <abezzarg at gmail.com>
> abezzarg at gmail.com> wrote:
>
>> The issue is not about finding the library at built time, event if my
>> library is found in
>> ${CMAKE_CURRENT_SOURCE_DIR}/Dependencies/IrrKLangAudioEngine/bin/macosx-gcc and
>> after building is done, my app is still looking for the library in
>> /usr/local/lib at runtime as you can see with the otools output in my first
>> message.
>>
>> I want to find a way to tell the linker to link the library from where it
>> find it.
>> Does it make sense ?
>>
>> On Sun, Sep 18, 2011 at 4:29 PM, Cristobal Navarro <<axischire at gmail.com>
>> axischire at gmail.com> wrote:
>>
>>> yes
>>>
>>> you have to provide another option
>>> find_library( IrrKlang_LIBRARIES irrKlang PATHS <path1 to
>>> library> <path2 to library> ... )
>>>
>>>
>>> <http://www.cmake.org/cmake/help/cmake-2-8-docs.html#command:find_library>
>>> http://www.cmake.org/cmake/help/cmake-2-8-docs.html#command:find_library
>>>
>>> is this what you need?
>>> best regards
>>> Cristobal
>>>
>>>
>>> On Sun, Sep 18, 2011 at 10:16 AM, amine bezzarga < <abezzarg at gmail.com>
>>> abezzarg at gmail.com> wrote:
>>>
>>>> Hello guys,
>>>>
>>>> I added a sound library to my project, So I first created a cmake module
>>>> to find it
>>>>
>>>> MESSAGE(STATUS "Looking for IrrKlang...")
>>>>
>>>> find_library(IrrKlang_LIBRARIES irrKlang
>>>>
>>>> ${CMAKE_CURRENT_SOURCE_DIR}/Dependencies/IrrKLangAudioEngine/bin/macosx-gcc
>>>>  )
>>>>
>>>> find_path(IrrKlang_INCLUDE_DIRS irrKlang.h
>>>>  ${CMAKE_CURRENT_SOURCE_DIR}/Dependencies/IrrKLangAudioEngine/include
>>>> )
>>>>
>>>> IF (IrrKlang_INCLUDE_DIRS AND IrrKlang_LIBRARIES)
>>>>    SET(IrrKlang_FOUND TRUE)
>>>> ENDIF (IrrKlang_INCLUDE_DIRS AND IrrKlang_LIBRARIES)
>>>>
>>>>
>>>> IF (IrrKlang_FOUND)
>>>>    IF (NOT IrrKlang_FIND_QUIETLY)
>>>>       MESSAGE(STATUS "Found IrrKlang: ${IrrKlang_LIBRARIES}")
>>>>    ENDIF (NOT IrrKlang_FIND_QUIETLY)
>>>> ELSE (IrrKlang_FOUND)
>>>>    IF (IrrKlang_FIND_REQUIRED)
>>>>       MESSAGE(FATAL_ERROR "Could not find IrrKlang")
>>>>    ENDIF (IrrKlang_FIND_REQUIRED)
>>>> ENDIF (IrrKlang_FOUND)
>>>>
>>>> Everything works fine exept I can't control from where the library is
>>>> linked.
>>>> Why after I build my project OSX is looking for that library in
>>>> /usr/local/lib ?
>>>> Is there a way to tell cmake to link the library from where it find it
>>>> i.e ${CMAKE_CURRENT_SOURCE_DIR}/Dependencies/IrrKLangAudioEngine/bin/macosx-gcc
>>>> ?
>>>>
>>>> here is my otool output after building the project
>>>> $ otool -L ./bin/MacOSX/OgreApp.app/Contents/MacOS/OgreApp
>>>> ./bin/MacOSX/OgreApp.app/Contents/MacOS/OgreApp:
>>>> @executable_path/../Frameworks/Ogre.framework/Versions/1.7.1/Ogre
>>>> (compatibility version 0.0.0, current version 1.7.1)
>>>>  @executable_path/../Components/libOgreRTShaderSystem.dylib
>>>> (compatibility version 0.0.0, current version 1.7.1)
>>>>  @executable_path/../Frameworks/OIS.framework/Versions/A/OIS
>>>> (compatibility version 1.0.0, current version 1.0.0)
>>>>  /usr/local/lib/libirrklang.dylib (compatibility version 1.0.0, current
>>>> version 1.0.0) --> I want cmake to link that lib, because my lib is not
>>>> there.
>>>>  /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current
>>>> version 7.9.0)
>>>> /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version
>>>> 123.0.0)
>>>>
>>>> I know I can correct the path with bundleutilities, but the library
>>>> still need to be copied in /usr/local/lib to be preccessed by
>>>> bundleutilitities in that case.
>>>>
>>>> Do you have any ideas ?
>>>> Mino
>>>>
>>>>
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>>>
>>
>>
>>
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>
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>
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-- 
Amine Bezzarga • +33 6 64 89 87 79 • abezzarg at gmail.com •
www.gomino.info<http://goog_1766391406>
<http://gomino.info>
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