From 4755d4939973cb625f67db44f4838127141d1016 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Tue, 29 Mar 2022 14:47:37 +0200
Subject: AX_R_PACKAGE: Fix version comparison.

* m4/ax_r_package.m4 (AX_R_PACKAGE): Use compareVersion instead of
comparing strings.
---
 m4/ax_r_package.m4 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/m4/ax_r_package.m4 b/m4/ax_r_package.m4
index 9455001..9982652 100644
--- a/m4/ax_r_package.m4
+++ b/m4/ax_r_package.m4
@@ -15,7 +15,7 @@
 #
 # LICENSE
 #
-#   Copyright (c) 2017 Ricardo Wurmus
+#   Copyright (c) 2017, 2022 Ricardo Wurmus
 #
 #   Copying and distribution of this file, with or without modification, are
 #   permitted in any medium without royalty provided the copyright notice
@@ -48,7 +48,7 @@ AC_DEFUN([AX_R_PACKAGE], [
 
     if test -n "VERSION"
     then
-      TEST=$( $R --silent --vanilla -e 'if(!(packageDescription("PKG")$Version >= "VERSION")) stop("not found")' 2>/dev/null )
+      TEST=$( $R --silent --vanilla -e 'if(compareVersion(packageDescription("PKG")$Version, "VERSION") < 0) { stop("not found") }' 2>/dev/null )
       AS_IF([test $? -eq 0], [], [
         AC_MSG_RESULT([no])
         AC_MSG_ERROR([You need at least version VERSION of the R package PKG.])
-- 
cgit v1.2.1