$NetBSD: patch-aa,v 1.5 2015/12/29 23:34:48 dholland Exp $

Add POSIX_SOURCE, and set USG unconditionally for best results on
modern Unixes.

--- buildaux/Makefile.in.orig	2010-11-29 21:46:43.000000000 +0000
+++ buildaux/Makefile.in
@@ -286,7 +286,7 @@ ickdatadir = $(datadir)/$(ICK_SPECIFIC_S
 AM_CFLAGS = -DICKINCLUDEDIR=\"$(ickincludedir)\" \
             -DICKDATADIR=\"$(ickdatadir)\" \
             -DICKBINDIR=\"$(bindir)\" -DICKLIBDIR=\"$(libdir)\" \
-            -DYYDEBUG -DICK_HAVE_STDINT_H=@HAVE_STDINT_H@
+            -DYYDEBUG -DICK_HAVE_STDINT_H=@HAVE_STDINT_H@ -D_POSIX_SOURCE -DUSG
 
 AM_CPPFLAGS = -I$(srcdir)/src
 ick_SOURCES = src/feh2.c src/dekludge.c src/ick_lose.c \