Avoid using LDFLAGS as this might be set to unexpected values in environment.

Makefile.am

@@ -64,7 +64,7 @@ gpm:
 	$(GPM) install
 
 binary:
-	$(GO) build $(GOBUILDFLAGS) -o bin/$(EXENAME) -ldflags '$(LDFLAGS)' app/$(EXENAME)
+	$(GO) build $(GOBUILDFLAGS) -o bin/$(EXENAME) -ldflags '$(INTERNALLDFLAGS)' app/$(EXENAME)
 
 binaryrace: GOBUILDFLAGS := $(GOBUILDFLAGS) -race
 binaryrace: binary
@@ -119,7 +119,7 @@ extract-i18n:
 update-i18n:
 	cd $(CURDIR)/src/i18n && $(MAKE) update
 
-release: LDFLAGS = -X main.version $(PACKAGE_VERSION) -X main.defaultConfig $(CONFIG_PATH)/$(CONFIG_FILE)
+release: INTERNALLDFLAGS = -X main.version $(PACKAGE_VERSION) -X main.defaultConfig $(CONFIG_PATH)/$(CONFIG_FILE)
 release: OUTPUT = $(DIST_BIN)
 release: $(DIST_BIN) binary releaseassets