Most Autoconf macros emit into config.log traces of the form
configure:<lineno>: <message>
With this patch, AM_PATH_PROG_WITH_TEST does the same.
2025-06-12 Bruno Haible <br...@clisp.org>
gettext: Improve config.log traces.
* m4/progtest.m4 (AM_PATH_PROG_WITH_TEST): Emit the configure line
number into config.log.
diff --git a/m4/progtest.m4 b/m4/progtest.m4
index 92b7e99b43..8fb500d915 100644
--- a/m4/progtest.m4
+++ b/m4/progtest.m4
@@ -1,5 +1,5 @@
# progtest.m4
-# serial 10 (gettext-0.23)
+# serial 11 (gettext-0.26)
dnl Copyright (C) 1996-2003, 2005, 2008-2025 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -68,7 +68,7 @@ AC_DEFUN([AM_PATH_PROG_WITH_TEST]
test -z "$ac_dir" && ac_dir=.
for ac_exec_ext in '' $ac_executable_extensions; do
if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then
- echo "$as_me: trying $ac_dir/$ac_word..." >&AS_MESSAGE_LOG_FD
+ echo "$as_me:${as_lineno-$LINENO}: trying $ac_dir/$ac_word..."
>&AS_MESSAGE_LOG_FD
if [$3]; then
ac_cv_path_$1="$ac_dir/$ac_word$ac_exec_ext"
break 2
