updated macos build now we should use c-shared for macos/darwin

Author: jerson

Makefile.darwin

@@ -1,11 +1,20 @@
 DARWIN_OUTPUT?=darwin
 DARWIN_BINDING_OUTPUT?=$(BINDING_OUTPUT)/$(DARWIN_OUTPUT)
-
+DARWIN_TARGET?=10.11
 binding_darwin: binding_darwin_x86_64
 
 binding_darwin_x86_64:
+	BINDING_FILE=$(DARWIN_OUTPUT)/$(BINDING_NAME).dylib \
+	BUILD_MODE="c-shared" \
+	CGO_CFLAGS=-mmacosx-version-min=$(DARWIN_TARGET) \
+	MACOSX_DEPLOYMENT_TARGET=$(DARWIN_TARGET) \
+	GOOS=darwin GOARCH=amd64 CGO_ENABLED=1 \
+	make binding
+
+binding_darwin_archive_x86_64:
 	BINDING_FILE=$(DARWIN_OUTPUT)/$(BINDING_NAME).a \
 	BUILD_MODE="c-archive" \
-	CGO_CFLAGS=-mmacosx-version-min=10.11 \
+	CGO_CFLAGS=-mmacosx-version-min=$(DARWIN_TARGET) \
+	MACOSX_DEPLOYMENT_TARGET=$(DARWIN_TARGET) \
 	GOOS=darwin GOARCH=amd64 CGO_ENABLED=1 \
 	make binding