X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/3634fc257bd0667daef14d72005cd87c735bbb24..d8d7e3a4162b52382daf8319f221c085c76c5b8f:/src/OS/Makefile-SunOS5

diff --git a/src/OS/Makefile-SunOS5 b/src/OS/Makefile-SunOS5
index e60a6c088..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
@@ -19,4 +17,7 @@ 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