From: Warren Melnick <warrenmelnick@gmail.com>
Date: Mon, 29 May 2017 14:42:37 +0000 (-0400)
Subject: Test for >= gcc 4, and  change to g99 -std=gnu99 for the compiler if it is found.
X-Git-Tag: seed~19
X-Git-Url: https://jxself.org/git/?p=open-adventure.git;a=commitdiff_plain;h=ae3c34084f2afe7332973ab20fcaf1a29264c078

Test for >= gcc 4, and  change to g99 -std=gnu99 for the compiler if it is found.
---

diff --git a/Makefile b/Makefile
index 8a30613..7526a71 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,10 @@ UNAME_S := $(shell uname -s)
 ifeq ($(UNAME_S),Darwin)
 	LIBS=
 endif
+GCCVERSIONGTEQ4 := $(shell expr `gcc -dumpversion | cut -f1 -d.` \>= 4)
+ifeq "$(GCCVERSIONGTEQ4)" "1"
+	CC=c99 --std=gnu99
+endif
 
 OBJS=main.o init.o actions1.o actions2.o score.o misc.o database.o
 SOURCES=$(OBJS:.o=.c) COPYING NEWS README TODO advent.text control