Fix Sparkle integration for macOS

CMakeLists.txt

@@ -72,6 +72,11 @@ if(${CMAKE_BUILD_TYPE} MATCHES "Debug")
   set(DEBUG ON)
 endif()
 
+if(APPLE)
+  set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
+  set(CMAKE_INSTALL_RPATH "@loader_path/../Frameworks")
+endif()
+
 find_program(CCACHE_EXECUTABLE NAMES ccache)
 if (CCACHE_EXECUTABLE)
   message(STATUS "ccache found: will be used for compilation and linkage")
@@ -253,10 +258,10 @@ set(SINGLEAPPLICATION_LIBRARIES singleapplication)
 set(SINGLECOREAPPLICATION_LIBRARIES singlecoreapplication)
 
 if(APPLE)
-  find_library(SPARKLE Sparkle PATHS /usr/local/Caskroom/sparkle/1.22.0 NAMES Sparkle Sparkle.framework)
+  find_library(SPARKLE Sparkle)
 endif(APPLE)
 
-if((NOT SPARKLE) AND (APPLE OR WIN32))
+if(NOT SPARKLE AND (APPLE OR WIN32))
   if(WITH_QT6)
     pkg_check_modules(QTSPARKLE qtsparkle-qt6)
   else()