From b870d914ebbcec2f0124dda6f96e47cdd4abd7d3 Mon Sep 17 00:00:00 2001
From: thierry-FreeBSD <thierry@FreeBSD.org>
Date: Fri, 28 Feb 2014 23:19:55 +0100
Subject: [PATCH] build: fix configure when PKG_CONFIG is set

If you define the environment variable PKG_CONFIG and assign it to
pkgconf (or pkg-config), configure will say it's OK, but it won't be
used.
---
 configure.ac | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 53aefd65..8c928a5e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -47,8 +47,8 @@ AM_CONDITIONAL([SUNOS],   [AS_CASE([$host_os], [solaris*], [true], [false])])
 AM_CONDITIONAL([WINNT],   [AS_CASE([$host_os], [mingw*],   [true], [false])])
 PANDORA_ENABLE_DTRACE
 AC_CHECK_PROG(PKG_CONFIG, pkg-config, yes)
-AM_CONDITIONAL([HAVE_PKG_CONFIG], [test "x$PKG_CONFIG" = "xyes"])
-AS_IF([test "x$PKG_CONFIG" = "xyes"], [
+AM_CONDITIONAL([HAVE_PKG_CONFIG], [test "x$PKG_CONFIG" != "x"])
+AS_IF([test "x$PKG_CONFIG" != "x"], [
     AC_CONFIG_FILES([libuv.pc])
 ])
 AC_CONFIG_FILES([Makefile])