cmake: fix unknown pkg_search_module

Signed-off-by: Li, Xiaoyan <xiaoyan.li@intel.com>

diff --git a/cmake/modules/Findlibcryptsetup.cmake b/cmake/modules/Findlibcryptsetup.cmake
index 98b33383025b1f641bab448ab07f78c65dc733ab..f0bdd864ef1f961dd5fed369ce11ad82dcacef67 100644 (file)
--- a/cmake/modules/Findlibcryptsetup.cmake
+++ b/cmake/modules/Findlibcryptsetup.cmake
@@ -6,6 +6,7 @@
 # LIBCRYPTSETUP_VERSION
 # LIBCRYPTSETUP_FOUND
 
+find_package(PkgConfig QUIET REQUIRED)
 pkg_search_module(PC_libcryptsetup libcryptsetup)
 
 find_path(LIBCRYPTSETUP_INCLUDE_DIR