--- Daodan/src/makefile	2014/04/07 10:33:27	994
+++ Daodan/src/makefile	2016/08/28 16:01:38	1045
@@ -5,7 +5,7 @@ SUBFOLDERS = Patches beaengine
 
 DEF = BEA_ENGINE_STATIC
 INCLUDEPATHS = .
-GCCFLAGS = -std=c99 -O0 -Wall -fomit-frame-pointer -fpack-struct -Wextra -Wno-pragmas -Wno-unused-variable $(addprefix -I,$(INCLUDEPATHS)) -Wno-unused-parameter $(addprefix -D,$(DEF))
+GCCFLAGS = -std=gnu99 -O0 -Wall -fomit-frame-pointer -fpack-struct -Wextra -Wno-pragmas -Wno-unused-variable $(addprefix -I,$(INCLUDEPATHS)) -Wno-unused-parameter $(addprefix -D,$(DEF))
 LINKFLAGS = -O0 -Wall -fomit-frame-pointer -fpack-struct -s -mdll
 LOCALE = LC_MESSAGES=C