Provide a method to do prerequisites needed before

installation of includes can happen.  Do these before and not run via ${SUDO}.

src/include/Makefile

@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.60 1999/02/26 00:54:00 deraadt Exp $
+#	$OpenBSD: Makefile,v 1.61 1999/03/02 21:47:33 niklas Exp $
 #	$NetBSD: Makefile,v 1.59 1996/05/15 21:36:43 jtc Exp $
 
 #	@(#)Makefile	5.45.1.1 (Berkeley) 5/6/91
@@ -33,16 +33,22 @@ DIRS=	arpa protocols rpc rpcsvc
 LDIRS=	dev net netinet netinet6 netccitt netiso netns netipx nfs sys ufs vm ddb \
 	scsi netatalk isofs xfs
 
+# Directories with an includes target
 RDIRS=	../lib/libc_r ../lib/libcom_err ../lib/libcompat ../lib/libcurses \
         ../lib/libform ../lib/libmenu ../lib/libocurses ../lib/libossaudio \
 	../lib/libpanel ../lib/librpcsvc ../lib/libskey ../lib/libedit \
 	../lib/libpcap ../lib/libutil ../lib/libwrap ../lib/libz \
 	../sys/arch/${MACHINE}
 
+# Directories with an includes target that use Makefile.bsd-wrapper
 WDIRS=	../lib/libssl ../gnu/lib/libg++/libg++ ../gnu/lib/libg++/libio \
 	../gnu/lib/libg++/librx ../gnu/lib/libg++/libstdc++ \
 	../gnu/usr.bin/gcc ../gnu/lib/libgmp
 
+# Places using Makefile.bsd-wrapper that needs a prerequisite target met
+# before includes
+PWDIRS=	../lib/libssl
+
 NOOBJ=	noobj
 
 # Change SYS_INCLUDE in bsd.own.mk to "symlinks" if you don't want copies
@@ -52,6 +58,12 @@ SYS_INCLUDE?=	copies
 RDIRS+=	../kerberosIV/include ../kerberosIV/kadm ../kerberosIV/krb
 .endif
 
+prereq:
+	@-for i in ${PWDIRS}; do \
+		echo preparing in ${.CURDIR}/$$i; \
+		(cd ${.CURDIR}/$$i; ${MAKE} -f Makefile.bsd-wrapper prereq) \
+	done
+
 includes:
 	@echo installing ${FILES}
 	@-for i in ${FILES}; do \