From 9eccde51c348efe525a8b763761afee9b8a1ecb8 Mon Sep 17 00:00:00 2001
From: Dimitris Zenios <dimitris.zenios@gmail.com>
Date: Sun, 6 Apr 2014 00:30:48 +0300
Subject: [PATCH] Enable building of Android libraries using a standalone NDK

---
 configure.in            | 33 +++++++++++++++++++++++++++++++++
 include/SDL_config.h.in |  4 ++++
 2 files changed, 37 insertions(+)

diff --git a/configure.in b/configure.in
index 791c870b50dcc..8eccc37b8e74a 100644
--- a/configure.in
+++ b/configure.in
@@ -2139,6 +2139,10 @@ AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[def
 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
                   , enable_pthread_sem=yes)
     case "$host" in
+	 *-*-androideabi*)
+            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
+            pthread_lib=""
+	    ;;
         *-*-linux*|*-*-uclinux*)
             pthread_cflags="-D_REENTRANT"
             pthread_lib="-lpthread"
@@ -2642,6 +2646,20 @@ case "$host" in
                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
                 fi
                 ;;
+            *-*-androideabi*)
+                # Android
+                ARCH=android
+                ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
+                CFLAGS="$CFLAGS $ANDROID_CFLAGS"
+                SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
+                EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
+                EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
+
+                if test x$enable_video = xyes; then
+                    SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
+                    $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
+                fi
+                ;;
             *-*-linux*)         ARCH=linux ;;
             *-*-uclinux*)       ARCH=linux ;;
             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
@@ -2706,6 +2724,11 @@ case "$host" in
                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
                 have_audio=yes
             ;;
+            android)
+                AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
+                SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
+                have_audio=yes
+            ;;
           esac
         fi
         # Set up files for the joystick library
@@ -2716,6 +2739,11 @@ case "$host" in
                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
                 have_joystick=yes
             ;;
+            android)
+                AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
+                SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
+                have_joystick=yes
+            ;;
           esac
         fi
         # Set up files for the haptic library
@@ -2738,6 +2766,11 @@ case "$host" in
                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
                    have_power=yes
                ;;
+               android)
+                   AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
+                   SOURCES="$SOURCES $srcdir/src/power/android/*.c"
+                   have_power=yes
+               ;;
              esac
         fi
         # Set up files for the filesystem library
diff --git a/include/SDL_config.h.in b/include/SDL_config.h.in
index 689dcf839565f..a15232990f4c9 100644
--- a/include/SDL_config.h.in
+++ b/include/SDL_config.h.in
@@ -201,6 +201,7 @@
 #undef SDL_AUDIO_DRIVER_COREAUDIO
 #undef SDL_AUDIO_DRIVER_DISK
 #undef SDL_AUDIO_DRIVER_DUMMY
+#undef SDL_AUDIO_DRIVER_ANDROID
 #undef SDL_AUDIO_DRIVER_XAUDIO2
 #undef SDL_AUDIO_DRIVER_DSOUND
 #undef SDL_AUDIO_DRIVER_ESD
@@ -227,6 +228,7 @@
 #undef SDL_JOYSTICK_DUMMY
 #undef SDL_JOYSTICK_IOKIT
 #undef SDL_JOYSTICK_LINUX
+#undef SDL_JOYSTICK_ANDROID
 #undef SDL_JOYSTICK_WINMM
 #undef SDL_JOYSTICK_USBHID
 #undef SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H
@@ -272,6 +274,7 @@
 #undef SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON
 #undef SDL_VIDEO_DRIVER_X11
 #undef SDL_VIDEO_DRIVER_RPI
+#undef SDL_VIDEO_DRIVER_ANDROID
 #undef SDL_VIDEO_DRIVER_X11_DYNAMIC
 #undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT
 #undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR
@@ -317,6 +320,7 @@
 #undef SDL_POWER_WINDOWS
 #undef SDL_POWER_MACOSX
 #undef SDL_POWER_HAIKU
+#undef SDL_POWER_ANDROID
 #undef SDL_POWER_HARDWIRED
 
 /* Enable system filesystem support */