[src/trunk]: src/usr.bin/make tests/make: allow to only test selected variants

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

details:   https://anonhg.NetBSD.org/src/rev/c208d3ce6445
branches:  trunk
changeset: 985893:c208d3ce6445
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Sep 12 10:28:40 2021 +0000

description:
tests/make: allow to only test selected variants

Testing all variants takes several minutes, so make it possible to test
a single or a few test variants separately.

diffstat:

 usr.bin/make/test-variants.sh |  10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diffs (39 lines):

diff -r 5cd45c000cd5 -r c208d3ce6445 usr.bin/make/test-variants.sh
--- a/usr.bin/make/test-variants.sh     Sun Sep 12 10:26:49 2021 +0000
+++ b/usr.bin/make/test-variants.sh     Sun Sep 12 10:28:40 2021 +0000
@@ -1,5 +1,5 @@
 #! /bin/sh
-# $NetBSD: test-variants.sh,v 1.11 2021/09/12 09:51:14 rillig Exp $
+# $NetBSD: test-variants.sh,v 1.12 2021/09/12 10:28:40 rillig Exp $
 #
 # Build several variants of make and run the tests on them.
 #
@@ -10,6 +10,7 @@
 set -eu
 
 failed="no"
+filter="${1-}"
 
 fail() {
        echo "failed"
@@ -17,6 +18,11 @@
 }
 
 testcase() {
+       case "$*" in
+       *"$filter"*) ;;
+       *) return;;
+       esac
+
        echo "===> Running $*"
 
        env -i PATH="$PATH" USETOOLS="no" "$@" \
@@ -31,7 +37,7 @@
 }
 
 
-testcase # just the plain default options
+testcase DESCR="just the plain default options"
 
 # Try a different compiler, with slightly different warnings and error
 # messages.  One feature that is missing from GCC is a little stricter