[ion/sdl] Use the newer scripts path

scripts/platform.sdl.android.mak

@@ -0,0 +1,5 @@
+TOOLCHAIN ?= android
+EXE = so
+
+LDFLAGS += -L$(SDL_PATH)/build/android/lib/$(NDK_ABI)
+LDFLAGS += -lSDL2 -ljnigraphics -llog

scripts/platform.sdl.mak

@@ -0,0 +1,16 @@
+USE_LIBA = 0
+EPSILON_ONBOARDING_APP = 0
+SFLAGS += -fPIE
+EXE = elf
+
+ifndef SDL_PATH
+  $(error SDL_PATH should point to the SDL2 sources. A recent snapshot is required.)
+endif
+
+SFLAGS += -I$(SDL_PATH)/include
+
+ifndef MODEL
+  $(error MODEL should be defined)
+endif
+
+include build/platform.sdl.$(MODEL).mak

scripts/targets.sdl.android.mak

@@ -0,0 +1,33 @@
+# CAUTION: All the following builds have to happen in a sequential order so we
+# cannot use standard Make dependencies
+.PHONY: dependencies
+dependencies:
+	rm -rf ion/src/sdl/android/libs
+	# First, build libsdl
+	cd $(SDL_PATH) && build-scripts/androidbuildlibs.sh
+	cp -r $(SDL_PATH)/build/android/lib ion/src/sdl/android/libs
+	# Then build epsilon for armv7
+	rm -f ion/src/sdl/android/libs/armeabi-v7a/libepsilon.so
+	$(MAKE) ion/src/sdl/android/libs/armeabi-v7a/libepsilon.so
+	# Then for arm64
+	rm -f ion/src/sdl/android/libs/arm64-v8a/libepsilon.so
+	$(MAKE) ion/src/sdl/android/libs/arm64-v8a/libepsilon.so
+	# Then for x86
+	rm -f ion/src/sdl/android/libs/x86/libepsilon.so
+	$(MAKE) ion/src/sdl/android/libs/x86/libepsilon.so
+	# And eventually for x86_64
+	rm -f ion/src/sdl/android/libs/x86_64/libepsilon.so
+	$(MAKE) ion/src/sdl/android/libs/x86_64/libepsilon.so
+	# Last but not least, copy the sources from SDL
+	cp -r $(SDL_PATH)/android-project/app/src/main/java/org ion/src/sdl/android/src/java
+
+epsilon.apk:
+	#rm ion/src/sdl/android/com.numworks.calculator/app/libs/arm64-v8a/libepsilon.so
+	#$(MAKE) ion/src/sdl/android/com.numworks.calculator/app/libs/arm64-v8a/libepsilon.so
+	cd ion/src/sdl/android ; ANDROID_HOME=/usr/local/android gradle assembleRelease
+	cp ion/src/sdl/android/build/outputs/apk/release/app-release-unsigned.apk epsilon.apk
+
+epsilon_run:
+	#rm ion/src/sdl/android/com.numworks.calculator/app/libs/arm64-v8a/libepsilon.so
+	#$(MAKE) ion/src/sdl/android/com.numworks.calculator/app/libs/arm64-v8a/libepsilon.so
+	cd ion/src/sdl/android ; ANDROID_HOME=/usr/local/android gradle installDebug

scripts/targets.sdl.mak

@@ -0,0 +1 @@
+include build/targets.sdl.$(MODEL).mak

scripts/toolchain.android.mak

@@ -0,0 +1,41 @@
+NDK_PATH ?= /usr/local/android/ndk-bundle
+NDK_HOST_TAG ?= darwin-x86_64
+
+NDK_TOOLCHAIN_PATH = $(NDK_PATH)/toolchains/llvm/prebuilt/$(NDK_HOST_TAG)/bin
+
+NDK_ABI ?= arm64-v8a
+
+ifeq ($(NDK_ABI),armeabi-v7a)
+  NDK_TARGET = armv7a-linux-androideabi
+else ifeq ($(NDK_ABI),arm64-v8a)
+  NDK_TARGET = aarch64-linux-android
+else ifeq ($(NDK_ABI),x86)
+  NDK_TARGET = i686-linux-android
+else ifeq ($(NDK_ABI),x86_64)
+  NDK_TARGET = x86_64-linux-android
+else
+  $(error Unknown NDK_ABI)
+endif
+
+NDK_VERSION ?= 21
+CC = $(NDK_TOOLCHAIN_PATH)/$(NDK_TARGET)$(NDK_VERSION)-clang
+CXX = $(NDK_TOOLCHAIN_PATH)/$(NDK_TARGET)$(NDK_VERSION)-clang++
+LD = $(NDK_TOOLCHAIN_PATH)/$(NDK_TARGET)$(NDK_VERSION)-clang++
+
+SFLAGS += -fPIC
+
+#GDB = arm-none-eabi-gdb
+#OBJCOPY = arm-none-eabi-objcopy
+#SIZE = arm-none-eabi-size
+
+
+#SFLAGS += -fdata-sections -ffunction-sections
+#LDFLAGS += -Wl,--gc-sections
+#SFLAGS += -fvisibility=hidden
+#LDFLAGS += -Wl,-export-symbols,ion/src/sdl/export_list.txt
+
+LDFLAGS += -shared
+LDFLAGS += -static-libstdc++
+#LDFLAGS += -Wl,-z,defs # Warn on missing symbols when linking the dynamic library
+
+#LDFLAGS += -lsdl