$NetBSD: patch-source_gmqcc_Makefile,v 1.2 2024/05/05 09:31:37 nia Exp $

Allow pkgsrc to set CXXFLAGS.

--- source/gmqcc/Makefile.orig	2020-10-28 00:40:30.000000000 +0000
+++ source/gmqcc/Makefile
@@ -62,7 +62,7 @@ TSRCS += util.cpp
 #
 # Compilation flags
 #
-CXXFLAGS := -Wall
+CXXFLAGS += -Wall
 CXXFLAGS += -Wextra
 CXXFLAGS += -Wno-parentheses
 CXXFLAGS += -Wno-class-memaccess