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Bug 2146 - [patch] Enable static linking of libSDL on Android
Summary: [patch] Enable static linking of libSDL on Android
Status: RESOLVED FIXED
Alias: None
Product: SDL
Classification: Unclassified
Component: build (show other bugs)
Version: HG 2.0
Hardware: All Android (All)
: P2 normal
Assignee: Sam Lantinga
QA Contact: Sam Lantinga
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-10-10 14:39 UTC by Denis Bernard
Modified: 2013-10-11 04:52 UTC (History)
1 user (show)

See Also:

Attachments
Static build patch (2.47 KB, patch)
2013-10-10 14:39 UTC, Denis Bernard 		Details | Diff
Static build patch (2.41 KB, patch)
2013-10-10 22:19 UTC, Denis Bernard 		Details | Diff
Show Obsolete (1) View All Add an attachment (proposed patch, testcase, etc.)

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Description Denis Bernard 2013-10-10 14:39:23 UTC 
Created attachment 1359 [details]
Static build patch

This patch to Android.mk adds support for static linking of libSDL for Android applications. A patched readme with static build instructions is also provided.

It does not break existing build environments setup according to the README-android.txt since the static library version will not be built in not required.

The static build uses the Android NDK module system (see docs/IMPORT-MODULE.html in the NDK folder and step 5 in the instructions below).

Instructions:
1. Copy the android-project directory wherever you want to keep your projects
   and rename it to the name of your project.
2. Create a symlink to SDL/src/main/android/SDL_android_main.c as 
   <project>/jni/src/SDL_android_main.c
3. Rename <project>/jni/src/Android_static.mk to <project>/jni/src/Android.mk
   (overwrite the existing one)
4. Edit <project>/jni/src/Android.mk to include your source files
5. create and export an environment variable named NDK_MODULE_PATH that points
   to the parent directory of this SDL directory. e.g.:

   export NDK_MODULE_PATH="$PWD"/..

6. Edit <project>/src/org/libsdl/app/SDLActivity.java and remove the call to
   System.loadLibrary("SDL2") line 42.
7. Run 'ndk-build' (a script provided by the NDK). This compiles the C source

Although this requires an environment variable to be setup, it can be added once and for all to the main Android.mk of the project.
Comment 1 Denis Bernard 2013-10-10 22:19:27 UTC 
Created attachment 1360 [details]
Static build patch

New patch that removes the need to symlink to SDL_android_main.c
Comment 2 Sam Lantinga 2013-10-11 04:52:11 UTC 
Looks good, thanks!
http://hg.libsdl.org/SDL/rev/1f85fb33694b