diff -x .git -ur usd.orig/cmake/defaults/Packages.cmake external_usd/cmake/defaults/Packages.cmake
--- usd.orig/cmake/defaults/Packages.cmake	2019-10-24 22:39:53.000000000 +0200
+++ external_usd/cmake/defaults/Packages.cmake	2019-11-28 13:00:33.185957483 +0100
@@ -64,7 +64,7 @@
 endif()
 
 # --TBB
-find_package(TBB REQUIRED COMPONENTS tbb)
+find_package(TBB)
 add_definitions(${TBB_DEFINITIONS})
 
 # --math
diff -Naur external_usd_base/cmake/macros/Public.cmake external_usd/cmake/macros/Public.cmake
--- external_usd_base/cmake/macros/Public.cmake	2019-10-24 14:39:53 -0600
+++ external_usd/cmake/macros/Public.cmake	2020-01-11 13:33:29 -0700
@@ -996,6 +996,12 @@
     foreach(lib ${PXR_OBJECT_LIBS})
         string(TOUPPER ${lib} uppercaseName)
         list(APPEND exports "${uppercaseName}_EXPORTS=1")
+        # When building for blender, we do NOT want to export all symbols on windows.
+        # This is a dirty hack, but USD makes it impossible to do the right thing
+        # with the default options exposed.
+        if (WIN32)
+            list(APPEND exports "PXR_STATIC=1")
+        endif()
     endforeach()
     foreach(lib ${PXR_OBJECT_LIBS})
         set(objects "${objects};\$<TARGET_OBJECTS:${lib}>")

diff --git a/pxr/base/arch/align.h b/pxr/base/arch/align.h
index f3cabf4..ebc8a69 100644
--- a/pxr/base/arch/align.h
+++ b/pxr/base/arch/align.h
@@ -77,7 +77,11 @@ ArchAlignMemory(void *base)
 /// The size of a CPU cache line on the current processor architecture in bytes.
 ///
 /// \hideinitializer
+#if defined(ARCH_OS_DARWIN) && defined(ARCH_CPU_ARM)
+#define ARCH_CACHE_LINE_SIZE 128
+#else
 #define ARCH_CACHE_LINE_SIZE 64
+#endif
 
 ///@}
 
diff --git a/pxr/base/arch/math.h b/pxr/base/arch/math.h
index 3e66c37..64a052c 100644
--- a/pxr/base/arch/math.h
+++ b/pxr/base/arch/math.h
@@ -42,7 +42,7 @@ PXR_NAMESPACE_OPEN_SCOPE
 /// \addtogroup group_arch_Math
 ///@{
 
-#if defined (ARCH_CPU_INTEL) || defined(doxygen)
+#if defined (ARCH_CPU_INTEL) || defined(ARCH_CPU_ARM) || defined(doxygen)
 
 /// This is the smallest value e such that 1+e^2 == 1, using floats.
 /// True for all IEEE754 chipsets.