make shared library loader optional

CMakeLists.txt

@@ -39,6 +39,7 @@ option(ENABLE_EMOJI "Enable emoji module" On)
 option(ENABLE_LIBUUID "Use libuuid for uuid generation" On)
 option(BUILD_SPELL_DICT "Build en_dict.fscd for English spell check" On)
 option(BUILD_SHARED_LIBS "Build library as shared libs" On)
+option(ENABLE_DL "Enable dynamic loading addons" On)
 set(NO_PREEDIT_APPS "gvim.*,wps.*,wpp.*,et.*" CACHE STRING "Disable preedit for follwing app by default.")
 set(EVENT_LOOP_BACKEND "auto" CACHE STRING "Set the underlying event loop implementation, valid values are auto,systemd,libuv,none")
 
@@ -116,7 +117,10 @@ endif()
 if(${CMAKE_SYSTEM_NAME} MATCHES "BSD|DragonFly")
     find_package(LibKVM REQUIRED)
 endif()
-find_package(DL REQUIRED)
+
+if(NOT ENABLE_DL)
+    add_definitions("-DFCITX_NO_DL")
+endif()
 
 if (NOT TARGET LibIntl::LibIntl)
     find_package(LibIntl REQUIRED)

src/lib/fcitx/addonmanager.cpp

@@ -250,7 +250,9 @@ void AddonManager::unregisterLoader(const std::string &name) {
 }
 
 void AddonManager::registerDefaultLoader(StaticAddonRegistry *registry) {
+#ifndef FCITX_NO_DL
     registerLoader(std::make_unique<SharedLibraryLoader>());
+#endif
     if (registry) {
         registerLoader(std::make_unique<StaticLibraryLoader>(registry));
     }