--- a/src/Makefile
+++ b/src/Makefile
@@ -69,13 +69,7 @@
 #  -Ofast     Optimize till it hurts : "-O3" + enable opts not valid for all standard-compliants
 #  -Os        Optimize for size
 #  -Og        Optimize debugging experience but don't break debugging
-ifeq ($(GSPICEUI_DBG),0)
-  # Options for release (not using -Wall since it's GCC specific)
-  CXXFLAGS := -O1 -pipe $(shell $(WXCFG) --cxxflags)
-else
-  # Options for development
-  CXXFLAGS := -g -Og -Wall -Wextra -pipe $(shell $(WXCFG) --cxxflags)
-endif
+  CXXFLAGS += $(shell $(WXCFG) --cxxflags)
 
 # The following suppresses spurious warnings from gcc with wxWidgets v2.8.12
 ifeq ($(GSPICEUI_WXLIB),2.8)
@@ -134,7 +128,7 @@
 #   -o     specify the output file name
 
 $(BINDIR)/$(PROG) : $(OBJS)
-	$(CXX) -pipe -o $(BINDIR)/$(PROG) obj/*.o $(LIBS)
+	$(CXX) -pipe -o $(BINDIR)/$(PROG) obj/*.o $(LDFLAGS) $(LIBS)
 ifeq ($(ROOT)/GSpiceUI.app,$(wildcard $(ROOT)/GSpiceUI.app))
 	cp $(BINDIR)/$(PROG) $(ROOT)/GSpiceUI.app/Contents/MacOS/gspiceui
 endif