From 7d6c171379b2a57a97f332a4e7fcd3135dcccb5b Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Wed, 17 Mar 2021 11:57:12 -0400
Subject: build: s/ -I/ -isystem/g in libraries' CFLAGS

This suppresses warnings in libraries' headers, like:

      CC       src/dodge_balls-game.o
    In file included from src/xml.h:24:0,
                     from src/game.c:28:
    /usr/include/SDL2/SDL_stdinc.h: In function ‘SDL_memset4’:
    /usr/include/SDL2/SDL_stdinc.h:382:5: warning: switch missing default case [-Wswitch-default]
         switch (dwords % 4)
         ^~~~~~
---
(limited to 'games/classic/local.mk')

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