add -Wmissing-prototypes

[spectrwm] / Makefile

diff --git a/Makefile b/Makefile
index da102e1c8de9246f1bd4fb91ed0b09c4c6e4d256..c18bff23d5e8529d0e9a8f40fcb4f3763b1bfa8d 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ PROG=spectrwm
 #MAN=spectrwm_pt.1 spectrwm_ru.1 spectrwm_es.1 spectrwm_it.1
 MAN=spectrwm.1
 
-CFLAGS+=-std=gnu89 -Wall -Wextra -Wshadow -Wno-uninitialized -g
+CFLAGS+=-std=c99 -Wmissing-prototypes -Wall -Wextra -Wshadow -Wno-uninitialized -g
 # Uncomment define below to disallow user settable clock format string
 #CFLAGS+=-DSWM_DENY_CLOCK_FORMAT
 CPPFLAGS+= -I${X11BASE}/include -I${X11BASE}/include/freetype2