restic: fix build error

packages/restic/build.sh

@@ -6,22 +6,30 @@ TERMUX_PKG_VERSION=0.9.5
 TERMUX_PKG_SRCURL=https://github.com/restic/restic/archive/v$TERMUX_PKG_VERSION.tar.gz
 TERMUX_PKG_SHA256=e22208e946ede07f56ef60c1c89de817b453967663ce4867628dff77761bd429
 TERMUX_PKG_SUGGESTS="openssh, rclone"
-TERMUX_PKG_BUILD_IN_SRC=true
 
 termux_step_make() {
 	termux_setup_golang
-	_GOARCH=${GOARCH}
-	unset GOOS GOARCH
 
-	## build for host and regenerate manpages
-	go run build.go --goos linux --goarch "amd64"
-	./restic generate --man doc/man && rm -f ./restic
+	export GOPATH=$TERMUX_PKG_BUILDDIR
+	mkdir -p "$GOPATH"/src/github.com/restic
 
-	## finally build for target
-	go run build.go --enable-cgo --goos android --goarch "${_GOARCH}"
+	ln -sf "$TERMUX_PKG_SRCDIR" "$GOPATH"/src/github.com/restic/restic
+	cd "$GOPATH"/src/github.com/restic/restic
+
+	(
+		# Separately building for host so we can generate manpages.
+		unset GOOS GOARCH CGO_LDFLAGS
+		unset CC CXX CFLAGS CXXFLAGS LDFLAGS
+		go build -ldflags "-X 'main.version=${TERMUX_PKG_VERSION}'" ./cmd/...
+		./restic generate --man doc/man
+		rm -f ./restic
+	)
+
+	go build -ldflags "-X 'main.version=${TERMUX_PKG_VERSION}'" ./cmd/...
 }
 
 termux_step_make_install() {
+	cd "$GOPATH"/src/github.com/restic/restic
 	install -Dm700 restic "$TERMUX_PREFIX"/bin/restic
 	install -Dm600 -t "$TERMUX_PREFIX/share/man/man1/" doc/man/*.1
 }