From f11432f06e29e81a319214c3bd873ab880bbaffa Mon Sep 17 00:00:00 2001
From: sorgelig <pour.garbage@gmail.com>
Date: Mon, 16 Oct 2017 02:35:25 +0800
Subject: [PATCH] Use C99 option to support older gcc versions.

---
 Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index ea68904..1da6aef 100644
--- a/Makefile
+++ b/Makefile
@@ -17,6 +17,7 @@ OBJ = $(SRC:.c=.o) $(SRC2:.cpp=.o)
 DEP = $(SRC:.c=.d) $(SRC2:.cpp=.d)
 
 CFLAGS  = $(DFLAGS) -c -O2 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -DVDATE=\"`date +"%y%m%d"`\"
+CFLAGS2 = $(CFLAGS) -std=gnu99
 LFLAGS  = -lc -lstdc++ -lrt
 
 $(PRJ): $(OBJ)
@@ -31,7 +32,7 @@ clean:
 
 %.o: %.c
 	@$(info $<)
-	@$(CC) $(CFLAGS) -o $@ -c $< 2>&1 | sed -e 's/\(.[a-zA-Z]\+\):\([0-9]\+\):\([0-9]\+\):/\1(\2,\ \3):/g'
+	@$(CC) $(CFLAGS2) -o $@ -c $< 2>&1 | sed -e 's/\(.[a-zA-Z]\+\):\([0-9]\+\):\([0-9]\+\):/\1(\2,\ \3):/g'
 
 %.o: %.cpp
 	@$(info $<)