From 9dee8deceb3b4978b938be042a1e0bc60d89b29e Mon Sep 17 00:00:00 2001
From: Vincent Bernat <vincent@bernat.ch>
Date: Sat, 13 Nov 2021 09:24:27 +0100
Subject: [PATCH] build: provide a clearer message if pkg-config is not
 installed

---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index 995b01d2..7c87a55f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,6 +54,10 @@ AC_PROG_LN_S
 AC_PROG_EGREP
 AC_PROG_AWK
 
+# Check for pkg-config
+m4_ifndef([PKG_CHECK_MODULES], [
+  AC_MSG_ERROR([PKG_CHECK_MODULES not found. Please install pkg-config and re-run autogen.sh])])
+
 # Doxygen
 DX_HTML_FEATURE(ON)
 DX_DOT_FEATURE(OFF)
-- 
2.47.2