cmake: include FindPkgConfig.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ffe14950ba9dffb8bab6f7964f5c0e871257ab0a..7e0fc012a740066317a017602c684bbbeaf3aef4 100755 (executable)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,6 +21,8 @@ set (ENABLE_GUI "AUTO" CACHE STRING "Enable Qt GUI.")
 ##############################################################################
 # Find dependencies
 
+include (FindPkgConfig)
+
 set (CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 
 set (CMAKE_USE_PYTHON_VERSION 2.7 2.6)