diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index c848d00710e1980a2a58f01ad8ef7d384422bcbe..5ce49bc6b0d381a971bf62e602d90f6b517db7d2 100644
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -171,6 +171,10 @@ if (DARWIN)
 ## Really?? On developer machines too?
 ##set(ENABLE_SIGNING TRUE)
 ##set(SIGNING_IDENTITY "Developer ID Application: Linden Research, Inc.")
+
+  # required for clang-15/xcode-15 since our boost package still uses deprecated std::unary_function/binary_function
+  # see https://developer.apple.com/documentation/xcode-release-notes/xcode-15-release-notes#C++-Standard-Library
+  add_compile_definitions(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION)
 endif (DARWIN)
 
 if (LINUX OR DARWIN)
diff --git a/indra/newview/llviewerthrottle.cpp b/indra/newview/llviewerthrottle.cpp
index 2729253d183a0cff83dbe8abe2d3cc8dcd0724bc..20390a316ae0f4c5f3d558fdb963169a9f225ac6 100644
--- a/indra/newview/llviewerthrottle.cpp
+++ b/indra/newview/llviewerthrottle.cpp
@@ -84,7 +84,7 @@ LLViewerThrottleGroup::LLViewerThrottleGroup()
 }
 
 
-LLViewerThrottleGroup::LLViewerThrottleGroup(const F32 settings[])
+LLViewerThrottleGroup::LLViewerThrottleGroup(const F32 settings[TC_EOF])
 {
 	mThrottleTotal = 0.f;
 	S32 i;