From 3f173c47a7f9676d627ecb9c8d7989ce14dcd0d4 Mon Sep 17 00:00:00 2001
From: Dan Church <amphetamachine@gmail.com>
Date: Mon, 25 Jan 2021 11:16:55 -0600
Subject: [PATCH 2/2] Fix libunistring detection when using config.cache

I.e. "./configure -C"
---
 m4/libunistring.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/m4/libunistring.m4 b/m4/libunistring.m4
index c1bf4d553..a057a7470 100644
--- a/m4/libunistring.m4
+++ b/m4/libunistring.m4
@@ -98,7 +98,7 @@ AC_DEFUN([gl_LIBUNISTRING_CORE],
   fi
   if test $HAVE_LIBUNISTRING = yes; then
     dnl Determine the installed version.
-    AC_CACHE_CHECK([for libunistring version], [gl_cv_libunistring_version],
+    AC_CACHE_CHECK([for libunistring version], [gl_cv_libunistring_version, gl_libunistring_hexversion],
       [AC_COMPUTE_INT([gl_libunistring_hexversion],
                       [_LIBUNISTRING_VERSION],
                       [#include <unistring/version.h>])
-- 
2.30.0