Make it possible to override FALKON_PLUGIN_PATH from cache

CMakeLists.txt

@@ -31,10 +31,11 @@ else()
     set(FALKON_INSTALL_PLUGINDIR "${KDE_INSTALL_PLUGINDIR}")
 endif()
 if (IS_ABSOLUTE ${FALKON_INSTALL_PLUGINDIR})
-    set(FALKON_PLUGIN_PATH "${FALKON_INSTALL_PLUGINDIR}")
+    set(PLUGIN_PATH "${FALKON_INSTALL_PLUGINDIR}")
 else()
-    set(FALKON_PLUGIN_PATH "${CMAKE_INSTALL_PREFIX}/${FALKON_INSTALL_PLUGINDIR}")
+    set(PLUGIN_PATH "${CMAKE_INSTALL_PREFIX}/${FALKON_INSTALL_PLUGINDIR}")
 endif()
+set(FALKON_PLUGIN_PATH "${PLUGIN_PATH}" CACHE PATH "Default plugin search path")
 
 # Defines that are always set
 add_definitions(-DQT_NO_URL_CAST_FROM_STRING -DQT_USE_QSTRINGBUILDER -DQT_NO_CAST_TO_ASCII)

config.h.cmake

@@ -1,7 +1,7 @@
 /* config.h.  Generated by cmake from config.h.cmake  */
 
 #define FALKON_VERSION "${PROJECT_VERSION}"
-#define FALKON_PLUGIN_PATH "${FALKON_PLUGIN_PATH}"
+#cmakedefine FALKON_PLUGIN_PATH "${FALKON_PLUGIN_PATH}"
 #cmakedefine FALKON_GIT_REVISION "${FALKON_GIT_REVISION}"
 
 /* Enable portable build */

src/lib/app/datapaths.cpp

@@ -87,7 +87,9 @@ void DataPaths::init()
 {
     m_paths[AppData].append(QStandardPaths::standardLocations(QStandardPaths::AppDataLocation));
 
+#ifdef FALKON_PLUGIN_PATH
     m_paths[Plugins].append(QStringLiteral(FALKON_PLUGIN_PATH));
+#endif
 
     for (const QString &location : qAsConst(m_paths[AppData])) {
         initAssetsIn(location);