build(libcore): use Makefile to build core

Now you can build with `debug` tag. (Although sing-box pprof should be enabled by options)

.github/workflows/nightly.yml

@@ -56,7 +56,7 @@ jobs:
       - name: Native Build
         if: steps.cache.outputs.cache-hit != 'true'
         run: |
-          ./run lib core
+          make libcore
       - name: Upload libcore
         uses: actions/upload-artifact@v4
         with:

.github/workflows/release.yml

@@ -53,7 +53,7 @@ jobs:
       - name: Native Build
         if: steps.cache.outputs.cache-hit != 'true'
         run: |
-          ./run lib core
+          make libcore
       - name: Upload libcore
         uses: actions/upload-artifact@v4
         with:

Makefile

@@ -1,7 +1,14 @@
-.PHONY: update libcore apk apk_debug assets lint_go test_go plugin generate_option
+LIBCORE_DIR := ./libcore/
+
+.PHONY: libcore libcore_debug apk apk_debug assets lint_go test_go plugin generate_option
+
+build: libcore assets apk
 
 libcore:
-	./run lib core
+	$(MAKE) -C $(LIBCORE_DIR) all
+
+libcore_debug:
+	$(MAKE) -C $(LIBCORE_DIR) debug
 
 apk:
 	BUILD_PLUGIN=none ./gradlew app:assembleFossRelease
@@ -12,8 +19,6 @@ apk_debug:
 assets:
 	./run lib assets
 
-build: libcore assets apk
-
 update:
 	./run lib update
 

libcore/Makefile

@@ -0,0 +1,37 @@
+NDK_ENV := ../buildScript/init/env_ndk.sh
+BOX_VERSION = $(shell go run ./cmd/boxversion/)
+LIB_DIR = $(shell realpath ../app/libs)
+TAGS := with_conntrack,with_gvisor,with_quic,with_wireguard,with_utls,with_clash_api,with_ech
+
+# -buildvcs require: https://github.com/SagerNet/gomobile/commit/6bc27c2027e816ac1779bf80058b1a7710dad260
+# CGO_FLAGS require Go 1.23: https://go.dev/doc/go1.23#cgo
+# max-page-size: https://developer.android.com/guide/practices/page-sizes
+CGO_LDFLAGS := -Wl,-z,max-page-size=16384
+LDFLAGS := -X github.com/sagernet/sing-box/constant.Version=$(BOX_VERSION) -s -w -buildid=
+ANDROID_API := 21
+INIT_DONE := inited
+
+.PHONY: all build copy
+
+all: $(INIT_DONE) build copy
+
+build:
+	. $(NDK_ENV) && \
+		export CGO_LDFLAGS="$(CGO_LDFLAGS)" && export CGO_ENABLED=1 && export GO386=softfloat && \
+		gomobile bind -v -androidapi $(ANDROID_API) -trimpath -buildvcs=false -ldflags="$(LDFLAGS)" -tags="$(TAGS)" .
+
+
+$(INIT_DONE):
+	CGO_ENABLED=0 go install -v -trimpath -ldflags="-w -s" github.com/sagernet/gomobile/cmd/[email protected]
+	CGO_ENABLED=0 go install -v -trimpath -ldflags="-w -s" github.com/sagernet/gomobile/cmd/[email protected]
+	gomobile init
+	touch $(INIT_DONE)
+
+debug:
+	$(MAKE) TAGS="$(TAGS),debug" all
+
+copy:
+	@rm -f libcore-sources.jar
+	@cp -f libcore.aar $(LIB_DIR)
+	echo ">> install $(realpath $(LIB_DIR))/libcore.aar"
+	sha256sum libcore.aar