Hardcode the location of sandboxctl to not rely on the PATH. Should fix the problems observed in: http://ftp.netbsd.org/pub/pkgsrc/misc/joerg/20170219.1406/meta/report.htmldiff -r1.57 -r1.58 pkgsrc/pkgtools/pkg_comp/Makefile
(jmmv)
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.57 2017/02/17 21:25:46 jmmv Exp $
+# $NetBSD: Makefile,v 1.58 2017/02/20 11:15:19 jmmv Exp $
DISTNAME= pkg_comp-2.0
CATEGORIES= sysutils
@@ -18,6 +18,7 @@
PKG_SYSCONFSUBDIR= pkg_comp
CONFIGURE_ARGS+= --sysconfdir=${PKG_SYSCONFDIR}
CONFIGURE_ARGS+= PKG_COMP_CONFSUBDIR=
+CONFIGURE_ARGS+= SANDBOXCTL=${PREFIX}/sbin/sandboxctl
INSTALL_MAKE_FLAGS+= pkg_comp_confdir=${EGDIR}
EGDIR= ${PREFIX}/share/examples/pkg_comp
CONF_FILES+= ${EGDIR}/default.conf ${PKG_SYSCONFDIR}/default.conf