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Bug 2151 - androidbuild.sh fails with undefined reference to 'SDL_main'
Summary: androidbuild.sh fails with undefined reference to 'SDL_main'
Status: RESOLVED INVALID
Alias: None
Product: SDL
Classification: Unclassified
Component: main (show other bugs)
Version: HG 2.1
Hardware: x86_64 Linux
: P2 normal
Assignee: Gabriel Jacobo
QA Contact: Sam Lantinga
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-10-12 08:50 UTC by Carles Pagès
Modified: 2013-10-14 14:49 UTC (History)
1 user (show)

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Description Carles Pagès 2013-10-12 08:50:22 UTC 
When running androidbuild.sh from 4f0f7b64afa5 (current tip) the script fails with:
building obj/local/armeabi/libmain.so
SharedLibrary  : libmain.so
/nix/store/gglycgxsdkmzsyc5vl621kd9chjm66sd-android-ndk-r9/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: ./obj/local/armeabi/objs/main/__/SDL/src/main/android/SDL_android_main.o: in function Java_org_libsdl_app_SDLActivity_nativeInit:jni/src/../SDL/src/main/android/SDL_android_main.c:30: error: undefined reference to 'SDL_main'
collect2: ld returned 1 exit status
make: *** [obj/local/armeabi/libmain.so] Error 1
Buildfile: /home/page/dev/3rdparty/SDL/build/com.pagecorp.copviewer/build.xml

I guess it has todo with the recent static target? On a side note, I saw that the same script spits a non-fatal error on 'android update' because the target is not set. Could we set a sane default for that or set is as a param to the script?
Comment 1 Gabriel Jacobo 2013-10-12 19:04:36 UTC 
Can you post what command you used?

Running:

   androidbuild.sh com.mdqinc.test ../test/testgles.c

From build-scripts worked perfectly for me just now.
Comment 2 Carles Pagès 2013-10-13 17:44:03 UTC 
I was running it from an out of tree dir (/tmp/foo). Running it like you works indeed past that linking phase, but now it fails with:
BUILD FAILED
/nix/store/ar59h43w52big93mz360g620n3svaz75-android-sdk-22.2/libexec/android-sdk-linux/tools/ant/build.xm:542: Unable to resolve project target 'android-10'
Though I'm not sure if this may be caused by my setup.

Does running from out of tree work for you? Thanks for the quick reply, btw!
Comment 3 Gabriel Jacobo 2013-10-14 14:49:14 UTC 
Out of source works for me with:

 /path/to/sdl/SDL/build-scripts/androidbuild.sh com.mdqinc.xxx /path/to/sdl/test/testgles.c

What you can't do is take out androidbuild.sh and run that out of source because it uses its own location to determine where the source for SDL is.