configure: add optional verbose output for flag tests

to aid future debugging, this will show stderr from the compiler when --verbose is passed to configure.
2023-02-11 14:16:08 -05:00 · 2023-02-11 14:16:08 -05:00 · d2f5317469
commit d2f5317469
parent be2525adc0
1 changed files with 1 additions and 0 deletions
--- a/1
+++ b/1
@ -262,6 +262,7 @@ EOF
 		rv=1
 		echo "no."
 	fi
+	[ -z "$SILENT" ] && cat _ccflag.err
 	rm -f _ccflag.c _ccflag _ccflag.err
 	return $rv
 }