X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/870f6ba8a2945754a7f2f66097e3a64465fe1a04..cafcab0848e35047a93a8920b5105baf55f8e702:/src/OS/Makefile-SunOS5?ds=sidebyside

diff --git a/src/OS/Makefile-SunOS5 b/src/OS/Makefile-SunOS5
index ebe436779..3b436f4bf 100644
--- a/src/OS/Makefile-SunOS5
+++ b/src/OS/Makefile-SunOS5
@@ -1,8 +1,5 @@
-# $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
 
@@ -21,4 +18,7 @@ XINCLUDE=-I$(X11)/include
 XLFLAGS=-L$(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