[pkgsrc/trunk]: pkgsrc/mk/configure mk/configure: document how to fix GNU_CON...

[rillig <rillig%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/e8b351bcbfba
branches:  trunk
changeset: 333284:e8b351bcbfba
user:      rillig <rillig%pkgsrc.org@localhost>
date:      Sat May 04 08:43:06 2019 +0000

description:
mk/configure: document how to fix GNU_CONFIGURE_STRICT failures

diffstat:

 mk/configure/gnu-configure.mk |  11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diffs (27 lines):

diff -r a0216c4501b0 -r e8b351bcbfba mk/configure/gnu-configure.mk
--- a/mk/configure/gnu-configure.mk     Sat May 04 08:42:24 2019 +0000
+++ b/mk/configure/gnu-configure.mk     Sat May 04 08:43:06 2019 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: gnu-configure.mk,v 1.19 2019/04/20 16:32:42 rillig Exp $
+# $NetBSD: gnu-configure.mk,v 1.20 2019/05/04 08:43:06 rillig Exp $
 #
 # Package-settable variables:
 #
@@ -13,8 +13,17 @@
 #      Whether unknown --enable/--disable/--with/--without options make
 #      the package fail immediately.
 #
+#      When this check fails, inspect the configure script using "bmake
+#      configure-help" and adjust the CONFIGURE_ARGS accordingly.
+#      Inspect whether the configure script runs embedded configure
+#      scripts from subdirectories. In that case, some of the
+#      sub-configure scripts may need the options and some may not know
+#      them at all.
+#
 #      Possible: yes no
 #      Default: no
+#
+# Keywords: configure configure_args gnu
 
 _VARGROUPS+=                   gnu-configure
 _USER_VARS.gnu-configure=      # none