MacOs packaging is weird, as Nat already did point out :(

Part of his change was omly taking Release builds into account, the other
part from me made the same mistake.
Use a generator expression with a custom command to get the symlink the way
we want.

indra/cmake/Copy3rdPartyLibs.cmake

@@ -152,15 +152,6 @@ if(WINDOWS)
     endforeach()
 
 elseif(DARWIN)
-    # Support our "@executable_path/../Resources" load path for executables
-    # that end up in any of the above SHARED_LIB_STAGING_DIR_MUMBLE
-    # directories.
-    # Cannot use ${SHARED_LIB_STAGING_DIR} here as it used a generator expression and tha this not
-    # supported by file(...)
-    file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/sharedlibs/Release/Resources")
-    file(CREATE_LINK "${CMAKE_BINARY_DIR}/sharedlibs/Release/Resources" "${CMAKE_BINARY_DIR}/sharedlibs/Resources"
-         SYMBOLIC)
-
     set(vivox_lib_dir "${ARCH_PREBUILT_DIRS_RELEASE}")
     set(slvoice_files SLVoice)
     set(vivox_libs
@@ -299,3 +290,12 @@ add_custom_target(
         stage_third_party_libs ALL
         DEPENDS ${third_party_targets}
 )
+
+if(DARWIN)
+    # Support our "@executable_path/../Resources" load path for executables
+    # that end up in any of the above SHARED_LIB_STAGING_DIR_MUMBLE
+    # directories.
+    add_custom_command( TARGET stage_third_party_libs POST_BUILD
+            COMMAND cmake -E create_symlink ${SHARED_LIB_STAGING_DIR} ${CMAKE_BINARY_DIR}/sharedlibs/Resources
+            )
+endif()
\ No newline at end of file

indra/test/CMakeLists.txt

@@ -74,15 +74,6 @@ if (WINDOWS)
           LINK_FLAGS "/NODEFAULTLIB:LIBCMT"
           LINK_FLAGS_DEBUG "/NODEFAULTLIB:\"LIBCMT;LIBCMTD;MSVCRT\""
           )
-elseif (DARWIN)
-  # Support our "@executable_path/../Resources" load path for our test
-  # executable. This SHOULD properly be "$<TARGET_FILE_DIR:lltest>/Resources",
-  # but the CMake $<TARGET_FILE_DIR> generator expression isn't evaluated by
-  # CREATE_LINK, so fudge it.
-  # Make sure the symlink's parent directory exists...
-  file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/test")
-  file(CREATE_LINK "../sharedlibs/Release/Resources" "${CMAKE_BINARY_DIR}/test/Resources"
-       SYMBOLIC)
 endif (WINDOWS)
 
 set(TEST_EXE $<TARGET_FILE:lltest>)
@@ -111,4 +102,13 @@ set(test_results ${CMAKE_CURRENT_BINARY_DIR}/cpp_tests_ok.txt)
 # developers choose to disable LL_TESTS.
 if (LL_TESTS)  
     add_custom_target(tests_ok ALL DEPENDS ${test_results})
+    if(DARWIN)
+      # Support our "@executable_path/../Resources" load path for our test
+      # executable. This SHOULD properly be "$<TARGET_FILE_DIR:lltest>/Resources",
+      # but the CMake $<TARGET_FILE_DIR> generator expression isn't evaluated by
+      # CREATE_LINK, so fudge it.
+      add_custom_command( TARGET tests_ok PRE_BUILD
+              COMMAND cmake -E create_symlink ${SHARED_LIB_STAGING_DIR} ${CMAKE_BINARY_DIR}/test/Resource
+              )
+    endif()
 endif (LL_TESTS)