-# $Cambridge: exim/src/OS/Makefile-SunOS5,v 1.2 2005/05/23 16:58:55 fanf2 Exp $
-
# Exim: OS-specific make file for SunOS5
-
-CFLAGS=-O
+# Copyright (c) The Exim Maintainers 2020
HAVE_ICONV=yes
XLFLAGS=-L$(X11)/lib -R$(X11)/lib
X11LIB=$(X11)/lib
+OS_C_INCLUDES=setenv.c
+CFLAGS += -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1 -D__EXTENSIONS__
+
# End