build(native): build Mac arm64 with Docker

Makefile

@@ -10,7 +10,9 @@ all: jni-header package
 deploy: 
 	mvn package deploy -DperformRelease=true
 
+DOCKER_RUN_OPTS=--rm
 MVN:=mvn
+CODESIGN:=docker run $(DOCKER_RUN_OPTS) -v $$PWD:/workdir gotson/rcodesign sign
 SRC:=src/main/java
 SQLITE_OUT:=$(TARGET)/$(sqlite)-$(OS_NAME)-$(OS_ARCH)
 SQLITE_OBJ?=$(SQLITE_OUT)/sqlite3.o
@@ -111,7 +113,7 @@ NATIVE_TARGET_DIR:=$(TARGET)/classes/org/sqlite/native/$(OS_NAME)/$(OS_ARCH)
 NATIVE_DLL:=$(NATIVE_DIR)/$(LIBNAME)
 
 # For cross-compilation, install docker. See also https://github.com/dockcross/dockcross
-native-all: native win32 win64 win-armv7 win-arm64 mac64 linux32 linux64 freebsd32 freebsd64 freebsd-arm64 linux-arm linux-armv6 linux-armv7 linux-arm64 linux-android-arm linux-android-arm64 linux-android-x86 linux-android-x64 linux-ppc64 alpine-linux64 linux-musl-arm64
+native-all: native win32 win64 win-armv7 win-arm64 mac64 mac-arm64-signed linux32 linux64 freebsd32 freebsd64 freebsd-arm64 linux-arm linux-armv6 linux-armv7 linux-arm64 linux-android-arm linux-android-arm64 linux-android-x86 linux-android-x64 linux-ppc64 alpine-linux64 linux-musl-arm64
 
 native: $(NATIVE_DLL)
 
@@ -121,8 +123,6 @@ $(NATIVE_DLL): $(SQLITE_OUT)/$(LIBNAME)
 	@mkdir -p $(NATIVE_TARGET_DIR)
 	cp $< $(NATIVE_TARGET_DIR)/$(LIBNAME)
 
-DOCKER_RUN_OPTS=--rm
-
 win32: $(SQLITE_UNPACKED) jni-header
 	./docker/dockcross-windows-x86 -a $(DOCKER_RUN_OPTS) bash -c 'make clean-native native CROSS_PREFIX=i686-w64-mingw32.static- OS_NAME=Windows OS_ARCH=x86'
 
@@ -186,13 +186,19 @@ linux-ppc64: $(SQLITE_UNPACKED) jni-header
 mac64: $(SQLITE_UNPACKED) jni-header
 	docker run $(DOCKER_RUN_OPTS) -v $$PWD:/workdir -e CROSS_TRIPLE=x86_64-apple-darwin multiarch/crossbuild make clean-native native OS_NAME=Mac OS_ARCH=x86_64
 
+mac-arm64: $(SQLITE_UNPACKED) jni-header
+	docker run $(DOCKER_RUN_OPTS) -v $$PWD:/workdir -e CROSS_TRIPLE=aarch64-apple-darwin gotson/crossbuild make clean-native native OS_NAME=Mac OS_ARCH=aarch64 CROSS_PREFIX="/usr/osxcross/bin/aarch64-apple-darwin20.4-"
+
 # deprecated
 mac32: $(SQLITE_UNPACKED) jni-header
 	docker run $(DOCKER_RUN_OPTS) -v $$PWD:/workdir -e CROSS_TRIPLE=i386-apple-darwin multiarch/crossbuild make clean-native native OS_NAME=Mac OS_ARCH=x86
 
 sparcv9:
 	$(MAKE) native OS_NAME=SunOS OS_ARCH=sparcv9
 
+mac-arm64-signed: mac-arm64
+	$(CODESIGN) src/main/resources/org/sqlite/native/Mac/aarch64/libsqlitejdbc.jnilib
+
 package: native-all
 	rm -rf target/dependency-maven-plugin-markers
 	$(MVN) package

Makefile.common

@@ -204,13 +204,12 @@ Mac-x86_64_LINKFLAGS := -dynamiclib
 Mac-x86_64_LIBNAME   := libsqlitejdbc.jnilib
 Mac-x86_64_SQLITE_FLAGS  := 
 
-Mac-aarch64_CC        := gcc -arch arm64
-Mac-aarch64_STRIP     := strip -x
-MAC_SDK := /Developer/SDKs/MacOSX10.10.sdk
-ifeq ($(wildcard MAC_SDK),)
-	MAC_SDK := /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk
-endif
-Mac-aarch64_CCFLAGS    := -I$(MAC_SDK)/System/Library/Frameworks/JavaVM.framework/Headers -Ilib/inc_mac -Os -fPIC -mmacosx-version-min=10.6 -fvisibility=hidden -Wno-implicit-function-declaration
+# Use a CROSS_PREFIX as the cross-triple clang is not available in crossbuild, see https://github.com/multiarch/crossbuild/blob/ad79cc84b6fb3fb1d09bc4a78719ef26f23bab85/Dockerfile#L134
+# When running on a M1 mac, CROSS_PREFIX will be empty, and 'make native' can still build
+Mac-aarch64_CC        := $(CROSS_PREFIX)clang
+Mac-aarch64_STRIP     := $(CROSS_PREFIX)strip -x
+MAC_SDK := /usr/osxcross/SDK/MacOSX11.3.sdk
+Mac-aarch64_CCFLAGS    := -I$(MAC_SDK)/System/Library/Frameworks/JavaVM.framework/Headers -Ilib/inc_mac -Os -fPIC -mmacosx-version-min=10.9 -fvisibility=hidden -Wno-implicit-function-declaration
 Mac-aarch64_LINKFLAGS  := -dynamiclib
 Mac-aarch64_LIBNAME    := libsqlitejdbc.jnilib
 Mac-aarch64_SQLITE_FLAGS :=