We want to see what's going on, what flags are begin passed to CC.

--- a/Makefile
+++ b/Makefile
@@ -168,17 +168,17 @@
 
 .c.o:
 	@$(ECHO) compiling $(<)
-	@$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -c $<
+	$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -c $<
 
 .cc.o:
 	@$(ECHO) compiling $(<)
-	@$(CXX) $(CXXFLAGS) -o $@ -c $<
+	$(CXX) $(CXXFLAGS) -o $@ -c $<
 
 $(ARLIB): $(OBJ_FILES) Makefile
-	@$(AR) $@ $(OBJ_FILES)
+	$(AR) $@ $(OBJ_FILES)
 
 $(SOLIB): $(OBJ_FILES) Makefile
-	@$(CC) $(CFLAGS) -shared -Wl,$(SOFLAG),$(SONAME) $(LDFLAGS) -o $@ $(OBJ_FILES) $(LIBS)
+	$(CC) $(CFLAGS) -shared -Wl,$(SOFLAG),$(SONAME) $(LDFLAGS) -o $@ $(OBJ_FILES) $(LIBS)
 
 protobuf/pg_query.pb-c.c protobuf/pg_query.pb-c.h: protobuf/pg_query.proto
 ifneq ($(shell which protoc-gen-c), )