Android build via CMake (luanti-org#13528)

* the thing

* the thing 2

Author: sfan5

CMakeLists.txt

@@ -67,9 +67,17 @@ set(ENABLE_UPDATE_CHECKER (NOT ${DEVELOPMENT_BUILD}) CACHE BOOL
 # Included stuff
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
 
+# Load default options for Android
+if(ANDROID)
+	cmake_minimum_required(VERSION 3.20)
+	include(MinetestAndroidLibs)
+endif()
+
 
 set(IRRLICHTMT_BUILD_DIR "" CACHE PATH "Path to IrrlichtMt build directory.")
-if(NOT "${IRRLICHTMT_BUILD_DIR}" STREQUAL "")
+if(ANDROID)
+	# currently manually provided
+elseif(NOT "${IRRLICHTMT_BUILD_DIR}" STREQUAL "")
 	find_package(IrrlichtMt QUIET
 		PATHS "${IRRLICHTMT_BUILD_DIR}"
 		NO_DEFAULT_PATH
@@ -120,7 +128,9 @@ else()
 	endif()
 endif()
 
-if(BUILD_CLIENT AND TARGET IrrlichtMt::IrrlichtMt)
+if(ANDROID)
+	# skipped for now
+elseif(BUILD_CLIENT AND TARGET IrrlichtMt::IrrlichtMt)
 	# retrieve version somehow
 	if(NOT IrrlichtMt_VERSION)
 		get_target_property(IrrlichtMt_VERSION IrrlichtMt VERSION)

android/app/src/main/AndroidManifest.xml

@@ -54,7 +54,7 @@
 			</intent-filter>
 			<meta-data
 				android:name="android.app.lib_name"
-				android:value="Minetest" />
+				android:value="minetest" />
 		</activity>
 
 		<service

android/app/src/main/java/net/minetest/minetest/GameActivity.java

@@ -48,7 +48,7 @@
 public class GameActivity extends NativeActivity {
 	static {
 		System.loadLibrary("c++_shared");
-		System.loadLibrary("Minetest");
+		System.loadLibrary("minetest");
 	}
 
 	private int messageReturnCode = -1;

android/build.gradle

@@ -3,9 +3,8 @@
 project.ext.set("versionMajor", 5)      // Version Major
 project.ext.set("versionMinor", 8)      // Version Minor
 project.ext.set("versionPatch", 0)      // Version Patch
-project.ext.set("versionExtra", "-dev") // Version Extra
+// ^ keep in sync with cmake
 project.ext.set("versionCode", 44)      // Android Version Code
-project.ext.set("developmentBuild", 1) // Whether it is a development build, or a release
 // NOTE: +2 after each release!
 // +1 for ARM and +1 for ARM64 APK's, because
 // each APK must have a larger `versionCode` than the previous

android/native/build.gradle

@@ -9,20 +9,18 @@ android {
 		minSdkVersion 21
 		targetSdkVersion 33
 		externalNativeBuild {
-			ndkBuild {
-				arguments '-j' + Runtime.getRuntime().availableProcessors(),
-						"versionMajor=${versionMajor}",
-						"versionMinor=${versionMinor}",
-						"versionPatch=${versionPatch}",
-						"versionExtra=${versionExtra}",
-						"developmentBuild=${developmentBuild}"
+            cmake {
+				arguments "-DANDROID_STL=c++_shared",
+					"-DENABLE_CURL=1", "-DENABLE_SOUND=1",
+					"-DENABLE_TOUCH=1", "-DENABLE_GETTEXT=1",
+					"-DBUILD_UNITTESTS=0", "-DENABLE_UPDATE_CHECKER=0"
 			}
 		}
 	}
 
 	externalNativeBuild {
-		ndkBuild {
-			path file('jni/Android.mk')
+		cmake {
+			path file("../../CMakeLists.txt")
 		}
 	}
 
@@ -37,12 +35,6 @@ android {
 
 	buildTypes {
 		release {
-			externalNativeBuild {
-				ndkBuild {
-					arguments 'NDEBUG=1'
-				}
-			}
-
 			ndk {
 				debugSymbolLevel 'SYMBOL_TABLE'
 			}