From 1f1648691de6687e748c5b8267f43cf196bd7cc9 Mon Sep 17 00:00:00 2001
From: Petr Spacek <pspacek@redhat.com>
Date: Oct 24 2016 11:30:12 +0000
Subject: Build: modernize POPT library detection


Use package config instead of checking headers.
Package config is faster because it does not invoke compiler
and guarantees proper linking flags because these are provided
by package maintainer instead of hardcoded into build system.

https://fedorahosted.org/freeipa/ticket/6418

Reviewed-By: Lukas Slebodnik <lslebodn@redhat.com>
Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>
Reviewed-By: Christian Heimes <cheimes@redhat.com>

---

diff --git a/configure.ac b/configure.ac
index 7effd86..217f815 100644
--- a/configure.ac
+++ b/configure.ac
@@ -209,11 +209,7 @@ PKG_CHECK_MODULES([SSSNSSIDMAP], [sss_nss_idmap >= 1.13.90])
 dnl ---------------------------------------------------------------------------
 dnl - Check for POPT
 dnl ---------------------------------------------------------------------------
-
-POPT_LIBS=
-AC_CHECK_HEADER(popt.h, [], [AC_MSG_ERROR([popt.h not found])])
-AC_CHECK_LIB(popt, poptGetContext, [POPT_LIBS="-lpopt"])
-AC_SUBST(POPT_LIBS)
+PKG_CHECK_MODULES([POPT], [popt])
 
 dnl ---------------------------------------------------------------------------
 dnl - Check for SASL