[ng] tests: relax even more a grepping check on configure output

This is a follow-up to today's commit v1.12.2-594-geee3aff.

* t/subpkg.sh: Here: don't be too picky about the verb declension
used in a "checking whether" message.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/t/subpkg.sh b/t/subpkg.sh
index 9b9f7ebff95424e1848d8d8455b244c22ac99e5e..d3bbb44e48d1bf737b938cc5f995bcbce74728ce 100755 (executable)
--- a/t/subpkg.sh
+++ b/t/subpkg.sh
@@ -107,8 +107,9 @@ cd ..
 
 ./configure >stdout || { cat stdout; exit 1; }
 cat stdout
-# Don't pretend to know the name or path of the C compiler.
-grep '^checking whether .* understands -c and -o together' stdout
+# Don't pretend to know the name or path of the C compiler.  Also,
+# don't be too picky about the verb declension.
+$EGREP '^checking whether .* understands? -c and -o together' stdout
 
 $MAKE
 $MAKE distcheck