From 55c3435d88618d7ed935736604e7ab989cef4b28 Mon Sep 17 00:00:00 2001
From: "Yury G. Kudryashov" <urkud.urkud@gmail.com>
Date: Thu, 19 Jan 2012 23:30:20 +0400
Subject: [PATCH] FindPkgConfig: respect REQUIRED (#12620)

find_package(PkgConfig REQUIRED) now fails if pkg-config is not found.
---
 Modules/FindPkgConfig.cmake | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/Modules/FindPkgConfig.cmake b/Modules/FindPkgConfig.cmake
index c47f583cb..ce588999d 100644
--- a/Modules/FindPkgConfig.cmake
+++ b/Modules/FindPkgConfig.cmake
@@ -85,14 +85,12 @@
 
 ### Common stuff ####
 set(PKG_CONFIG_VERSION 1)
-set(PKG_CONFIG_FOUND   0)
 
 find_program(PKG_CONFIG_EXECUTABLE NAMES pkg-config DOC "pkg-config executable")
 mark_as_advanced(PKG_CONFIG_EXECUTABLE)
 
-if(PKG_CONFIG_EXECUTABLE)
-  set(PKG_CONFIG_FOUND 1)
-endif(PKG_CONFIG_EXECUTABLE)
+include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
+find_package_handle_standard_args(PkgConfig DEFAULT_MSG PKG_CONFIG_EXECUTABLE)
 
 
 # Unsets the given variables