Hacky attempt at porting minetest to android

src/CMakeLists.txt

@@ -143,8 +143,8 @@ if(WIN32)
 else()
 	# Unix probably
 	if(BUILD_CLIENT)
-		find_package(X11 REQUIRED)
-		find_package(OpenGL REQUIRED)
+		#find_package(X11 REQUIRED)
+		#find_package(OpenGL REQUIRED)
 		find_package(JPEG REQUIRED)
 		find_package(BZip2 REQUIRED)
 		find_package(PNG REQUIRED)
@@ -161,11 +161,11 @@ else()
 		endif(APPLE)
 	endif(BUILD_CLIENT)
 	find_package(ZLIB REQUIRED)
-	set(PLATFORM_LIBS -lpthread -lrt ${CMAKE_DL_LIBS})
+	set(PLATFORM_LIBS -landroid -llog -lEGL -lGLESv1_CM ${CMAKE_DL_LIBS})
 	#set(CLIENT_PLATFORM_LIBS -lXxf86vm)
 	# This way Xxf86vm is found on OpenBSD too
-	find_library(XXF86VM_LIBRARY Xxf86vm)
-	mark_as_advanced(XXF86VM_LIBRARY)
+	#find_library(XXF86VM_LIBRARY Xxf86vm)
+	#mark_as_advanced(XXF86VM_LIBRARY)
 	set(CLIENT_PLATFORM_LIBS ${CLIENT_PLATFORM_LIBS} ${XXF86VM_LIBRARY})
 endif()
 
@@ -381,7 +381,8 @@ endif(USE_CURL)
 set(EXECUTABLE_OUTPUT_PATH "${CMAKE_SOURCE_DIR}/bin")
 
 if(BUILD_CLIENT)
-	add_executable(${PROJECT_NAME} ${minetest_SRCS})
+	#add_executable(${PROJECT_NAME} ${minetest_SRCS})
+	add_library(${PROJECT_NAME} SHARED ${minetest_SRCS})
 	target_link_libraries(
 		${PROJECT_NAME}
 		${ZLIB_LIBRARIES}

src/config.h

@@ -32,8 +32,13 @@
 	#define USE_CURL CMAKE_USE_CURL
 	#undef USE_FREETYPE
 	#define USE_FREETYPE CMAKE_USE_FREETYPE
-	#undef STATIC_SHAREDIR
-	#define STATIC_SHAREDIR CMAKE_STATIC_SHAREDIR
+	#ifdef __ANDROID__
+		#undef STATIC_SHAREDIR
+		#define STATIC_SHAREDIR "/sdcard/minetest"
+	#else
+		#undef STATIC_SHAREDIR
+		#define STATIC_SHAREDIR CMAKE_STATIC_SHAREDIR
+	#endif
 	#undef BUILD_INFO
 	#define BUILD_INFO CMAKE_BUILD_INFO
 #endif

src/jthread/pthread/jthread.cpp

@@ -119,7 +119,7 @@ int JThread::Kill()
 		runningmutex.Unlock();
 		return ERR_JTHREAD_NOTRUNNING;
 	}
-	pthread_cancel(threadid);
+	pthread_kill(threadid, SIGKILL);
 	running = false;
 	runningmutex.Unlock();
 	return 0;

src/main.cpp

@@ -77,6 +77,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "quicktune.h"
 #include "serverlist.h"
 #include "guiEngine.h"
+#ifdef __ANDROID__
+#include <android_native_app_glue.h>
+#include <sys/stat.h>
+#endif
 
 /*
 	Settings.
@@ -731,6 +735,26 @@ static void print_worldspecs(const std::vector<WorldSpec> &worldspecs,
 	}
 }
 
+#ifdef __ANDROID__
+
+android_app *g_app;
+
+int main(int argc, char *argv[]);
+
+extern "C" void android_main(struct android_app* app)
+{
+	g_app = app;
+	mkdir("/sdcard/minetest", 0666);
+	fclose(fopen("/sdcard/minetest/minetest.conf", "wb"));
+	const char *av[] = {"minetest",
+		"--verbose",
+		"--logfile", "/sdcard/minetest/debug.txt",
+		"--config", "/sdcard/minetest/minetest.conf"};
+	int ac = 6;
+	main(ac, (char**) av);
+}
+#endif
+
 int main(int argc, char *argv[])
 {
 	int retval = 0;
@@ -1288,6 +1312,9 @@ int main(int argc, char *argv[])
 		params.Stencilbuffer = false;
 		params.Vsync         = vsync;
 		params.EventReceiver = &receiver;
+#ifdef __ANDROID__
+		params.PrivateData   = g_app;
+#endif
 		params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
 
 		nulldevice = createDeviceEx(params);
@@ -1341,6 +1368,9 @@ int main(int argc, char *argv[])
 	params.Stencilbuffer = false;
 	params.Vsync         = vsync;
 	params.EventReceiver = &receiver;
+#ifdef __ANDROID__
+	params.PrivateData   = g_app;
+#endif
 	params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
 
 	device = createDeviceEx(params);

src/porting.cpp

@@ -180,8 +180,8 @@ bool threadBindToProcessor(threadid_t tid, int pnumber) {
 	CloseHandle(hThread);
 	return success;
 
-#elif (defined(__FreeBSD__) && (__FreeBSD_version >= 702106)) \
-	|| defined(__linux) || defined(linux)
+#elif ((defined(__FreeBSD__) && (__FreeBSD_version >= 702106)) \
+	|| defined(__linux) || defined(linux)) && !defined(__ANDROID__)
 
 	cpu_set_t cpuset;