config.mk: fix POSIX_C_SOURCE macro for feature test for snprintf() - dwm - dynamic window manager
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---
DIR commit c82db690cc0c4624dad4dc6ae899020799ec84db
DIR parent cb3f58ad06993f7ef3a7d8f61468012e2b786cab
HTML Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Fri, 3 Apr 2020 15:36:32 +0200
config.mk: fix POSIX_C_SOURCE macro for feature test for snprintf()
The feature test was incorrect:
_POSIX_C_SOURCE=2
"The value 2 or greater additionally exposes definitions for POSIX.2-1992."
http://man7.org/linux/man-pages/man7/feature_test_macros.7.html
A higher value is needed (atleast 1995):
https://pubs.opengroup.org/onlinepubs/9699919799/functions/snprintf.html
FreeBSD feature test macro:
on
https://github.com/freebsd/freebsd/blob/master/include/stdio.h line 297
This was already fixed in dmenu.
This fixes a warning on FreeBSD, reported by Plasmoduck on IRC, thanks.
Diffstat:
M config.mk | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
---
DIR diff --git a/config.mk b/config.mk
@@ -25,7 +25,7 @@ INCS = -I${X11INC} -I${FREETYPEINC}
LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
# flags
-CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
+CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=200809L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
#CFLAGS = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
CFLAGS = -std=c99 -pedantic -Wall -Wno-deprecated-declarations -Os ${INCS} ${CPPFLAGS}
LDFLAGS = ${LIBS}