improvement dealing with rpath on macOS.

src/musredit_qt6/mupp/CMakeLists.txt

@@ -42,18 +42,18 @@ set(GENERATED_HEADER_FILES
 set_property(SOURCE mupp_version.h PROPERTY SKIP_AUTOMOC ON) # needed for cmake 3.x
 
 set(MUPP_SOURCE_FILES
-  mupp.cpp 
-  PmuppAdmin.cpp 
+  mupp.cpp
+  PmuppAdmin.cpp
   Pmupp.cpp
-  PmuppScript.cpp 
+  PmuppScript.cpp
   PmuppGui.cpp
   PVarDialog.cpp
 )
 
 if (APPLE)
   set(RESOURCE_FILES icons/mupp.icns)
-  add_executable(mupp 
-     MACOSX_BUNDLE ${GENERATED_HEADER_FILES} ${MUPP_SOURCE_FILES} 
+  add_executable(mupp
+     MACOSX_BUNDLE ${GENERATED_HEADER_FILES} ${MUPP_SOURCE_FILES}
      mupp.qrc ${RESOURCE_FILES}
   )
 else (APPLE)
@@ -62,24 +62,24 @@ endif (APPLE)
 
 #--- check if project source is repo ------------------------------------------
 if (IS_GIT_REPO)
-  set(HAVE_GIT_REV_H "-DHAVE_GIT_REV_H")  
+  set(HAVE_GIT_REV_H "-DHAVE_GIT_REV_H")
 else (IS_GIT_REPO)
-  set(HAVE_GIT_REV_H "")  
+  set(HAVE_GIT_REV_H "")
 endif (IS_GIT_REPO)
 
-#--- compiler option to workaround a little cast problem for some 
+#--- compiler option to workaround a little cast problem for some
 #--- boost/compiler combinations ----------------------------------------------
 target_compile_options(mupp
   PRIVATE
     "-fpermissive"
-    "${HAVE_GIT_REV_H}"  
+    "${HAVE_GIT_REV_H}"
 )
 
 #--- add the variable related sources -----------------------------------------
 add_subdirectory(var)
 
 #--- add the necessary header includes ----------------------------------------
-target_include_directories(mupp 
+target_include_directories(mupp
   BEFORE PRIVATE
     $<BUILD_INTERFACE:${Boost_INCLUDE_DIR}>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/../..>
@@ -104,6 +104,7 @@ if (APPLE)
     MACOSX_FRAMEWORK_IDENTIFIER ch.psi.mupp
     MACOSX_BUNDLE_COPYRIGHT "Andreas Suter"
     RESOURCE "${RESOURCE_FILES}"
+    INSTALL_RPATH "${Qt6_DIR}/../.."
   )
 endif (APPLE)