Use _GNU_SOURCE instead of _BSD_SOURCE and _SYSV_SOURCE

uemacs uses a lot of legacy stuff, which causes warnings with newer toolchains. This makes it build reasonably warning-free. Signed-off-by: Linus Torvalds <[email protected]>
torvalds · Jul 19, 2018 · 5a28f14 · 5a28f14
1 parent 9be85a9
commit 5a28f14
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Makefile b/Makefile
@@ -40,7 +40,7 @@ CFLAGS=-O2 $(WARNINGS) -g
 #CFLAGS=-O4 -DSVR4		# Sun
 #CFLAGS=-O -qchars=signed	# RS/6000
 ifeq ($(uname_S),Linux)
- DEFINES=-DAUTOCONF -DPOSIX -DUSG -D_BSD_SOURCE -D_SVID_SOURCE -D_XOPEN_SOURCE=600
+ DEFINES=-DAUTOCONF -DPOSIX -DUSG -D_XOPEN_SOURCE=600 -D_GNU_SOURCE
 endif
 ifeq ($(uname_S),FreeBSD)
  DEFINES=-DAUTOCONF -DPOSIX -DSYSV -D_FREEBSD_C_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE -D_XOPEN_SOURCE=600