[arch linux] MyGUI + gcc 4.7

[lgromanowski]

Just in case someone have similar problem when compiling openmw with gcc 4.7:

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[100%] Building CXX object apps/openmw/CMakeFiles/openmw.dir/engine.cpp.o
Linking CXX executable ../../openmw
`.text._ZN5boost16exception_detail19error_info_injectorINS_10lock_errorEED2Ev' referenced in section `.text._ZN5boost16exception_detail19error_info_injectorINS_10lock_errorEED1Ev[_ZN5boost16exception_detail19error_info_injectorINS_10lock_errorEED1Ev]' of /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib/libMyGUI.OgrePlatform.a(MyGUI_OgreDataManager.cpp.o): defined in discarded section `.text._ZN5boost16exception_detail19error_info_injectorINS_10lock_errorEED2Ev[_ZN5boost16exception_detail19error_info_injectorINS_10lock_errorEED5Ev]' of /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib/libMyGUI.OgrePlatform.a(MyGUI_OgreDataManager.cpp.o)
`.text._ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINS_10lock_errorEEEED2Ev' referenced in section `.text._ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINS_10lock_errorEEEED1Ev[_ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINS_10lock_errorEEEED1Ev]' of /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib/libMyGUI.OgrePlatform.a(MyGUI_OgreDataManager.cpp.o): defined in discarded section `.text._ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINS_10lock_errorEEEED2Ev[_ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINS_10lock_errorEEEED5Ev]' of /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib/libMyGUI.OgrePlatform.a(MyGUI_OgreDataManager.cpp.o)
`.text._ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINS_10lock_errorEEEED2Ev' referenced in section `.text._ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINS_10lock_errorEEEED1Ev[_ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINS_10lock_errorEEEED1Ev]' of /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib/libMyGUI.OgrePlatform.a(MyGUI_OgreDataManager.cpp.o): defined in discarded section `.text._ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINS_10lock_errorEEEED2Ev[_ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINS_10lock_errorEEEED5Ev]' of /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib/libMyGUI.OgrePlatform.a(MyGUI_OgreDataManager.cpp.o)
collect2: error: ld returned 1 exit status
make[2]: *** [openmw] Błąd 1
make[1]: *** [apps/openmw/CMakeFiles/openmw.dir/all] Błąd 2
make: *** [all] Błąd 2

you need to compile mygui with abs, but before you do that, you need to modify PKGBUILD and add

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  sed -i 's:check_cxx_compiler_flag(-fvisibility:#check_cxx_compiler_flag(-fvisibility:' CMakeLists.txt

line after other "sed lines", i.e:

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  # change CMake config so demos install to /opt
  sed -i 's:"bin:"../opt/MYGUI:' CMake/Utils/MyGUIConfigTargets.cmake
  sed -i -e 's:../share:/usr/share:' \
         -e 's:"bin":"../opt/MYGUI":' \
         CMake/InstallResources.cmake

  sed -i 's:check_cxx_compiler_flag(-fvisibility:#check_cxx_compiler_flag(-fvisibility:' CMakeLists.txt

// EDIT: You will also need testing/boost 1.49.0-2

[pvdk]

Could you send me the modified PKGBUILD as a pull request on this repository?

[scrawl]

I read a comment by the arch maintainer in mygui forums saying he fixed it. You might just want to wait a day until its uploaded.

[lgromanowski]

Could you send me the modified PKGBUILD as a pull request on this repository?

Sure, done.

[AlienCat]

I wanna stay at bleeding edge at ogre so I compiled it by myself.
However I cannot get mygui or openmv to work!
I have tried what you said and I still got those errors when I compile.
Maybe I could try boost 1.48 instead of 1.49.0-2.

Here is the console output:
http://pastebin.com/uvR8tteG

[mach1723]

I wanna stay at bleeding edge at ogre so I compiled it by myself.
However I cannot get mygui or openmv to work!
I have tried what you said and I still got those errors when I compile.
Maybe I could try boost 1.48 instead of 1.49.0-2.

Here is the console output:
http://pastebin.com/uvR8tteG

As far as I know there's no need to build OGRE on arch. Those errors are related to boost, apparently the boost package in arches' "testing" repo doesn't have this issue but I simply opted to build boost my self from it's sources. Once you do this I believe you need to set 'BOOST_INCLUDE_DIR' and 'BOOST_LIB_DIR' to your build of boost's include/lib directories in OpenMW's CMake configuration.

Sorry if this post is confusing, I can try and write more detailed instructions if you need them