Fix build on Debian 7 (CMake pre 2.8.12)

diff --git a/cmake/modules/FindQt5Keychain.cmake b/cmake/modules/FindQt5Keychain.cmake
index 6848763fe7f2026a8dfd9bd1c52daf05733e27bf..4aff32d6fb15062d2aa0f4183bd8bfeaa8dd3d6a 100644 (file)
--- a/cmake/modules/FindQt5Keychain.cmake
+++ b/cmake/modules/FindQt5Keychain.cmake
@@ -13,7 +13,9 @@
 # so that it doesn't pull a different Qt version. For that reason
 # first look in the Qt lib directory for QtKeychain.
 get_target_property(_QTCORE_LIB_PATH Qt5::Core IMPORTED_LOCATION_RELEASE)
-get_filename_component(QT_LIB_DIR "${_QTCORE_LIB_PATH}" DIRECTORY)
+
+# Use PATH here because Debian 7.0 has CMake 2.8.9 and DIRECTORY is only available from 2.8.12+
+get_filename_component(QT_LIB_DIR "${_QTCORE_LIB_PATH}" PATH)
 
 find_path(QTKEYCHAIN_INCLUDE_DIR
             NAMES