From a32d7528f62ea5a61a3d35fe3056f62153fd27c3 Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Mon, 5 Feb 2018 10:22:16 +0100
Subject: [PATCH] Check for pkgconfig's presence before using it.

Fixes #710.
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 559dc4db..df922e07 100644
--- a/configure.ac
+++ b/configure.ac
@@ -259,6 +259,7 @@ fi
 AC_ARG_ENABLE(delayacct, [AS_HELP_STRING([--enable-delayacct], [enable linux delay accounting])],, enable_delayacct="no")
 if test "x$enable_delayacct" = xyes
 then
+   PKG_PROG_PKG_CONFIG()
    PKG_CHECK_MODULES(LIBNL3, libnl-3.0, [], [missing_libraries="$missing_libraries libnl-3"])
    PKG_CHECK_MODULES(LIBNL3GENL, libnl-genl-3.0, [], [missing_libraries="$missing_libraries libnl-genl-3"])
    CFLAGS+=" $LIBNL3_CFLAGS $LIBNL3GENL_CFLAGS"