cgo cross-compile for freebsd (go-gitea#22397)

Provide pre-compiled cgo binaries for freebsd

Co-authored-by: John Olheiser <john.olheiser@gmail.com>

Makefile

@@ -733,7 +733,7 @@ $(EXECUTABLE): $(GO_SOURCES) $(TAGS_PREREQ)
 	CGO_CFLAGS="$(CGO_CFLAGS)" $(GO) build $(GOFLAGS) $(EXTRA_GOFLAGS) -tags '$(TAGS)' -ldflags '-s -w $(LDFLAGS)' -o $@
 
 .PHONY: release
-release: frontend generate release-windows release-linux release-darwin release-copy release-compress vendor release-sources release-docs release-check
+release: frontend generate release-windows release-linux release-darwin release-freebsd release-copy release-compress vendor release-sources release-docs release-check
 
 $(DIST_DIRS):
 	mkdir -p $(DIST_DIRS)
@@ -762,6 +762,13 @@ ifeq ($(CI),true)
 	cp /build/* $(DIST)/binaries
 endif
 
+.PHONY: release-freebsd
+release-freebsd: | $(DIST_DIRS)
+	CGO_CFLAGS="$(CGO_CFLAGS)" $(GO) run $(XGO_PACKAGE) -go $(XGO_VERSION) -dest $(DIST)/binaries -tags 'netgo osusergo $(TAGS)' -ldflags '$(LDFLAGS)' -targets 'freebsd/amd64' -out gitea-$(VERSION) .
+ifeq ($(CI),true)
+	cp /build/* $(DIST)/binaries
+endif
+
 .PHONY: release-copy
 release-copy: | $(DIST_DIRS)
 	cd $(DIST); for file in `find . -type f -name "*"`; do cp $${file} ./release/; done;