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Bug 2398 - linking errors and undefined references when cross-compiling with mxe
Summary: linking errors and undefined references when cross-compiling with mxe
Status: RESOLVED INVALID
Alias: None
Product: SDL
Classification: Unclassified
Component: joystick (show other bugs)
Version: 2.0.1
Hardware: x86 Windows (All)
: P2 major
Assignee: Sam Lantinga
QA Contact: Sam Lantinga
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-02-14 14:52 UTC by niek
Modified: 2014-02-23 01:26 UTC (History)
0 users

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Description niek 2014-02-14 14:52:52 UTC 
Hi there,

While compiling performous (performous.org) for windows we use MXE (mxe.cc) to install the cross-compiler and all the dependencies, SDL1.2 + portaudio caused conflicts, so I recently ported everything to SDL2, I now get different linking errors: 

Built target ss_pak_extract
[ 31%] Building RC object game/CMakeFiles/performous.dir/__/performous.rc.res
Linking CXX executable ../Performous.exe
/opt/mxe/usr/lib/gcc/i686-pc-mingw32.static/4.8.2/../../../../i686-pc-mingw32.static/lib/libSDL2.a(SDL_windowskeyboard.o): In function `IME_GetId':
/opt/mxe/tmp-sdl2/SDL2-2.0.1/src/video/windows/SDL_windowskeyboard.c:545: undefined reference to `GetFileVersionInfoSizeA@8'
/opt/mxe/tmp-sdl2/SDL2-2.0.1/src/video/windows/SDL_windowskeyboard.c:549: undefined reference to `GetFileVersionInfoA@16'
/opt/mxe/tmp-sdl2/SDL2-2.0.1/src/video/windows/SDL_windowskeyboard.c:550: undefined reference to `VerQueryValueA@16'
/opt/mxe/tmp-sdl2/SDL2-2.0.1/src/video/windows/SDL_windowskeyboard.c:545: undefined reference to `GetFileVersionInfoSizeA@8'
/opt/mxe/tmp-sdl2/SDL2-2.0.1/src/video/windows/SDL_windowskeyboard.c:549: undefined reference to `GetFileVersionInfoA@16'
/opt/mxe/tmp-sdl2/SDL2-2.0.1/src/video/windows/SDL_windowskeyboard.c:550: undefined reference to `VerQueryValueA@16'
collect2: error: ld returned 1 exit status
make[2]: *** [Performous.exe] Fout 1
make[1]: *** [game/CMakeFiles/performous.dir/all] Fout 2
make: *** [all] Fout 2

WTF??
Comment 1 niek 2014-02-17 08:27:09 UTC 
I tried again yesterday but this time I linked SDL dynamically in stead of statically, then the problem went away and portaudio started spamming errors, apparently portaudio and SDL don't like each other.
Comment 2 Sam Lantinga 2014-02-23 01:26:35 UTC 
According to MSDN these link errors will be resolved if you link with version.lib.
I'm not sure what that corresponds to in your build environment, but I don't think it's a conflict with portaudio.

Cheers!