From 61e5a3ad229d35d93be3a028a25ec335224a102a Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sat, 12 Nov 2022 20:38:42 +0700
Subject: use autoconf APIs to test & error out

Practically speaking, it should be the same.
---
 configure.ac | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index a0e343c..9cf420d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,10 +46,8 @@ AS_IF([test "x$enable_debug" = "xyes"],
 
 dnl Automatically increment the revision for every release.
 set -- $(IFS=.; echo ${PACKAGE_VERSION})
-if test $# -ne 3 -o ${#1} -gt 1 -o ${#2} -gt 1 -o ${#3} -gt 2; then
-	echo "This PACKAGE_VERSION breaks LT_REVISION" >&2
-	exit 1
-fi
+AS_IF([test $# -ne 3 -o ${#1} -gt 1 -o ${#2} -gt 1 -o ${#3} -gt 2],
+	[AC_MSG_ERROR([This PACKAGE_VERSION breaks LT_REVISION])])
 LT_REVISION=$(printf "%d%d%02d" "$1" "$2" "$3")
 AC_SUBST(LT_REVISION)
 
-- 
cgit v1.2.1