X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/dfe7d917154afce0e4016a60f142bd540677930f..f07babc0c0abfe8328da451f91f3ea46df3e63d9:/src/OS/Makefile-SunOS5

diff --git a/src/OS/Makefile-SunOS5 b/src/OS/Makefile-SunOS5
index 351b43ad1..557c031fd 100644
--- a/src/OS/Makefile-SunOS5
+++ b/src/OS/Makefile-SunOS5
@@ -1,7 +1,5 @@
 # Exim: OS-specific make file for SunOS5
 
-CFLAGS=-O
-
 HAVE_ICONV=yes
 
 BASENAME_COMMAND=look_for_it
@@ -19,6 +17,7 @@ XINCLUDE=-I$(X11)/include
 XLFLAGS=-L$(X11)/lib -R$(X11)/lib
 X11LIB=$(X11)/lib
 
-os.o: setenv.c
+OS_C_INCLUDES=setenv.c
+CFLAGS += -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1 -D__EXTENSIONS__
 
 # End