build: switch the Android native build rules to autoconf; still a bit rough

but we can now create shared objects for each project; only the testsuite
is not building properly because of issues with STLport, and EglApp is
deactivated because AndroidApp should have precedence.

build/build-android

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# This can't hurt
+make distclean
+
+set -e
+./build/lol-build bootstrap android-arm
+./build/lol-build configure android-arm
+./build/lol-build build android-arm
+

build/lol-build

@@ -79,9 +79,6 @@ bootstrap()
         ios-arm)
             # No bootstrapping needed
             ;;
-        android-arm)
-            # No bootstrapping needed
-            ;;
         *)
             PATH="$PATH" M4PATH="$M4PATH" ./bootstrap
             ;;
@@ -156,8 +153,17 @@ configure()
             # No configuration needed
             ;;
         android-arm)
-            cd monsterz/android
-            android update project --path .
+            ./configure --host=arm-linux-androideabi ac_cv_exeext=.so \
+                CPPFLAGS="-Wno-psabi -I$ANDROID_NDK_ROOT/sources/cxx-stl/stlport/stlport -I$ANDROID_NDK_ROOT/sources/cxx-stl/gabi++/include -fpic -fno-exceptions -fno-rtti -fomit-frame-pointer -fno-strict-aliasing -finline-limit=64" \
+                CFLAGS="-march=armv5te -mtune=xscale -msoft-float -mthumb" \
+                CXXFLAGS="-march=armv5te -mtune=xscale -msoft-float -mthumb" \
+                LOL_LIBS="-L$ANDROID_NDK_ROOT/sources/cxx-stl/stlport/libs/armeabi -lstlport_shared -lm -fpic -XCClinker -shared"
+            # FIXME: is this needed?
+            # android update project --path .
+            # ndk-build
+            # ant compile
+            # ndk-build distclean
+            # ant clean
             ;;
         raspi-arm)
             ./configure --host=arm-bcm2708hardfp-linux-gnueabi CPPFLAGS="-I$RASPI_SDK_ROOT/firmware/opt/vc/include -I$RASPI_SDK_ROOT/firmware/opt/vc/include/interface/vcos/pthreads" LDFLAGS="-L$RASPI_SDK_ROOT/firmware/opt/vc/lib"
@@ -209,11 +215,6 @@ build()
             cd monsterz/ios
             xcodebuild -configuration Release -sdk iphonesimulator4.3
             ;;
-        android-arm)
-            cd monsterz/android
-            ndk-build
-            ant compile
-            ;;
         *)
             make -j$LOL_PARALLEL
             ;;
@@ -261,11 +262,6 @@ clean()
             cd monsterz/ios
             xcodebuild -configuration Release -sdk iphonesimulator4.3 clean
             ;;
-        android-arm)
-            cd monsterz/android
-            ndk-build distclean
-            ant clean
-            ;;
         *)
             make distclean
             ;;

configure.ac

@@ -196,8 +196,10 @@ fi
 
 if test "x${ac_cv_my_stop_looking_for_gl}" = "xno"; then
   AC_CHECK_HEADER(GLES2/gl2.h,
-   [AC_DEFINE(HAVE_GLES_2X, 1, Define to 1 if GLES 2.x is available)
-    ac_cv_my_have_gl="yes"])
+   [ac_cv_my_have_gl="yes"
+    AC_DEFINE(HAVE_GLES_2X, 1, Define to 1 if GLES 2.x is available)
+    AC_CHECK_LIB(GLESv2, glEnable,
+     [GL_LIBS="${GL_LIBS} -lGLESv2"])])
 fi
 
 if test "x${ac_cv_my_stop_looking_for_gl}" = "xno"; then
@@ -208,7 +210,7 @@ if test "x${ac_cv_my_stop_looking_for_gl}" = "xno"; then
 fi
 
 if test "x${ac_cv_my_stop_looking_for_gl}" = "xno"; then
-  AC_CHECK_LIB(GL, glLoadIdentity,
+  AC_CHECK_LIB(GL, glEnable,
    [ac_cv_my_have_gl="yes"
     AC_DEFINE(HAVE_GL_2X, 1, Define to 1 if GL 2.x is available) # FIXME: hackish
     GL_LIBS="-lGL"])
@@ -350,6 +352,14 @@ AC_LANG_POP(C++)
 AM_CONDITIONAL(USE_NACL, test "${ac_cv_my_have_nacl}" != "no")
 
 
+dnl  Use Android? FIXME: super hacks!
+ac_cv_my_have_android="no"
+AC_CHECK_LIB(log, __android_log_vprint,
+ [ac_cv_my_have_android="yes"
+  LOL_LIBS="${LOL_LIBS} -llog -module"])
+AM_CONDITIONAL(USE_ANDROID, test "${ac_cv_my_have_android}" != "no")
+
+
 dnl  Use EGL?
 ac_cv_my_have_egl="no"
 PKG_CHECK_MODULES(EGL, egl, [ac_cv_my_have_egl="yes"], [:])

src/core.h

@@ -61,9 +61,11 @@ static inline int isnan(float f)
 }
 #endif
 
-/* If using NaCl, override main() with our version */
+/* If using NaCl or Android, override main() with our version */
 #if defined __native_client__
 #   define main lol_nacl_main
+#elif defined __ANDROID__
+#   define main lol_android_main
 #endif
 
 /* If using SDL on Windows or OS X, let it override main() */

src/eglapp.cpp

@@ -12,7 +12,7 @@
 #   include "config.h"
 #endif
 
-#if defined USE_EGL
+#if defined USE_EGL && !defined __ANDROID__
 #   if defined HAVE_BCM_HOST_H
 #       include <bcm_host.h>
 #   else
@@ -40,7 +40,7 @@ class EglAppData
     friend class EglApp;
 
 private:
-#if defined USE_EGL
+#if defined USE_EGL && !defined __ANDROID__
     EGLDisplay egl_dpy;
     EGLContext egl_ctx;
     EGLSurface egl_surf;
@@ -61,7 +61,7 @@ private:
 EglApp::EglApp(char const *title, ivec2 res, float fps) :
     data(new EglAppData())
 {
-#if defined USE_EGL
+#if defined USE_EGL && !defined __ANDROID__
 #   if defined HAVE_BCM_HOST_H
     bcm_host_init();
 
@@ -230,7 +230,7 @@ void EglApp::Run()
     {
         /* Tick the renderer, show the frame and clamp to desired framerate. */
         Ticker::TickDraw();
-#if defined USE_EGL
+#if defined USE_EGL && !defined __ANDROID__
         eglSwapBuffers(data->egl_dpy, data->egl_surf);
 #endif
     }
@@ -238,7 +238,7 @@ void EglApp::Run()
 
 EglApp::~EglApp()
 {
-#if defined USE_EGL
+#if defined USE_EGL && !defined __ANDROID__
     eglDestroyContext(data->egl_dpy, data->egl_ctx);
     eglDestroySurface(data->egl_dpy, data->egl_surf);
     eglTerminate(data->egl_dpy);

src/platform/android/androidapp.cpp

@@ -23,13 +23,19 @@
 
 using namespace lol;
 
-/* Monsterz-specific */
-#include "interface.h"
+/* One of these wrappers will be overridden by the user's version */
+void lol_android_main(void) __attribute__((weak));
+void lol_android_main(void) {}
+void lol_android_main(int argc, char **argv) __attribute__((weak));
+void lol_android_main(int argc, char **argv) {}
+void lol_android_main(int argc, char **argv, char **envp) __attribute__((weak));
+void lol_android_main(int argc, char **argv, char **envp) {}
 
 namespace lol
 {
 JavaVM *g_vm;
 jobject g_activity;
+Thread *g_main_thread;
 
 AndroidApp::AndroidApp(char const *title, ivec2 res, float fps) :
     data(0)
@@ -49,6 +55,20 @@ void AndroidApp::Run()
     }
 }
 
+void *AndroidApp::MainRun(void *data)
+{
+    int argc = 1;
+    char *argv[] = { "", NULL };
+    char *env[] = { NULL };
+
+    /* Call the user's main() function. One of these will work. */
+    lol_android_main();
+    lol_android_main(argc, argv);
+    lol_android_main(argc, argv, env);
+
+    return NULL;
+}
+
 AndroidApp::~AndroidApp()
 {
 }
@@ -76,8 +96,7 @@ Java_org_zoy_LolEngine_LolRenderer_nativeInit(JNIEnv* env)
     Ticker::Setup(30.0f);
     Video::Setup(ivec2(320, 200));
 
-    new Interface();
-    new DebugFps(20, 20);
+    g_main_thread = new Thread(lol::AndroidApp::MainRun, NULL);;
 }
 
 extern "C" void
@@ -92,6 +111,7 @@ extern "C" void
 Java_org_zoy_LolEngine_LolRenderer_nativeDone(JNIEnv* env)
 {
     /* FIXME: clean up */
+    delete g_main_thread;
 }
 
 extern "C" void

src/platform/android/androidapp.h

@@ -32,6 +32,8 @@ public:
     void ShowPointer(bool show);
     void Run();
 
+    static void *MainRun(void *data);
+
 private:
     AndroidAppData *data;
 };

test/Makefile.am

@@ -17,9 +17,14 @@ CLEANFILES = $(noinst_PROGRAMS:%$(EXEEXT)=%.self) \
 
 EXTRA_DIST = data/gradient.png
 
-noinst_PROGRAMS = quad benchsuite testsuite btphystest
+noinst_PROGRAMS = quad benchsuite $(testsuite) btphystest
 
-TESTS = testsuite
+TESTS = $(testsuite)
+
+# Conditionally built for now because of STLport issues
+if !USE_ANDROID
+testsuite = testsuite
+endif
 
 testsuite_SOURCES = testsuite.cpp \
     unit/vector.cpp unit/matrix.cpp unit/half.cpp unit/trig.cpp \