--- compiler/systems/t_darwin.pas.orig	2021-04-10 13:02:51
+++ compiler/systems/t_darwin.pas	2023-10-10 11:43:18
@@ -123,16 +123,16 @@
              programs with problems that require Valgrind will have more
              than 60KB of data (first 4KB of address space is always invalid)
            }
-           ExeCmd[1]:='ld $PRTOBJ $TARGET $EMUL $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP $MAP $ORDERSYMS -multiply_defined suppress -L. -o $EXE $CATRES $FILELIST';
+           ExeCmd[1]:='ld $PRTOBJ $TARGET $EMUL $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP $MAP $ORDERSYMS -L. -o $EXE $CATRES $FILELIST';
            if not(cs_gdb_valgrind in current_settings.globalswitches) then
              ExeCmd[1]:=ExeCmd[1]+' -pagezero_size 0x10000';
   {$else ndef cpu64bitaddr}
-           ExeCmd[1]:='ld $PRTOBJ $TARGET $EMUL $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP $MAP $ORDERSYMS -multiply_defined suppress -L. -o $EXE $CATRES $FILELIST';
+           ExeCmd[1]:='ld $PRTOBJ $TARGET $EMUL $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP $MAP $ORDERSYMS -L. -o $EXE $CATRES $FILELIST';
   {$endif ndef cpu64bitaddr}
            if (apptype<>app_bundle) then
-             DllCmd[1]:='ld $PRTOBJ $TARGET $EMUL $OPT $GCSECTIONS $MAP $ORDERSYMS -dynamic -dylib -multiply_defined suppress -L. -o $EXE $CATRES $FILELIST'
+             DllCmd[1]:='ld $PRTOBJ $TARGET $EMUL $OPT $GCSECTIONS $MAP $ORDERSYMS -dynamic -dylib -L. -o $EXE $CATRES $FILELIST'
            else
-             DllCmd[1]:='ld $PRTOBJ $TARGET $EMUL $OPT $GCSECTIONS $MAP $ORDERSYMS -dynamic -bundle -multiply_defined suppress -L. -o $EXE $CATRES $FILELIST';
+             DllCmd[1]:='ld $PRTOBJ $TARGET $EMUL $OPT $GCSECTIONS $MAP $ORDERSYMS -dynamic -bundle -L. -o $EXE $CATRES $FILELIST';
            DllCmd[2]:='strip -x $EXE';
            DynamicLinker:='';
          end;
@@ -360,7 +360,7 @@
       end;
       if MacOSXVersionMin<>'' then
         begin
-          LinkRes.Add('-macosx_version_min');
+          LinkRes.Add('-macos_version_min');
           LinkRes.Add(MacOSXVersionMin);
         end
       else if iPhoneOSVersionMin<>'' then