https://lists.gnu.org/archive/html/bug-recutils/2024-10/msg00002.html

From 00e5dcacbec2f59466402c56d729ade31d845d6a Mon Sep 17 00:00:00 2001
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From: Sam James <sam@gentoo.org>
Date: Sun, 6 Oct 2024 05:32:19 +0100
Subject: [PATCH 08/10] configure.ac: call PKG_PROG_PKG_CONFIG unconditionally

PKG_PROG_PKG_CONFIG has a catch when used with AS_IF because it is
only expanded once, so it can be problematic if expanded in a (rare)
option which isn't enabled. Unconditionally call it to avoid this.

2024-10-06  Sam James  <sam@gentoo.org>

	* configure.ac: Call PKG_PROG_PKG_CONFIG unconditionally.
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index a190f5e..e0caa02 100644
--- a/configure.ac
+++ b/configure.ac
@@ -74,6 +74,7 @@ dnl Search for functions
 AC_FUNC_FSEEKO
 
 dnl Search for required libraries
+PKG_PROG_PKG_CONFIG
 
 have_check=no
 PKG_CHECK_MODULES([CHECK], [check],
-- 
2.46.2