diff -x CVS -ruN pkgsrc-2017Q1/www/w3m/Makefile.common pkgsrc/www/w3m/Makefile.common
--- pkgsrc-2017Q1/www/w3m/Makefile.common	2017-02-19 19:35:13.000000000 +0100
+++ pkgsrc/www/w3m/Makefile.common	2017-04-10 18:44:41.390374633 +0200
@@ -73,8 +73,8 @@
 
 post-install:
 	# Use pax to discard uid/gid.  Exclude manuals (*.1).
-	set -e; cd ${WRKSRC}; pax -w -s ',.*\.1$$,,' doc doc-jp | \
-	    ( cd ${DESTDIR}${PREFIX}/${DOCDIR}; pax -r )
+	set -e; cd ${WRKSRC}; which pax; pax -r -w -s ',.*\.1$$,,' \
+	  doc doc-jp ${DESTDIR}${PREFIX}/${DOCDIR}
 
 BUILDLINK_API_DEPENDS.boehm-gc+=	boehm-gc>=7.2
 .include "../../devel/boehm-gc/buildlink3.mk"