15 files changed, 77 insertions, 20 deletions
diff --git a/build_files/build_environment/cmake/clang.cmake b/build_files/build_environment/cmake/clang.cmake
index f7dfd434d4a..8b928f968fd 100644
--- a/build_files/build_environment/cmake/clang.cmake
+++ b/build_files/build_environment/cmake/clang.cmake
@@ -30,6 +30,11 @@ else()
   set(CLANG_GENERATOR "Unix Makefiles")
 endif()
 
+if(APPLE)
+  set(CLANG_EXTRA_ARGS ${CLANG_EXTRA_ARGS}
+    -DLIBXML2_LIBRARY=${LIBDIR}/xml2/lib/libxml2.a
+  )
+endif()
 
 ExternalProject_Add(external_clang
   URL ${CLANG_URI}
diff --git a/build_files/build_environment/cmake/harvest.cmake b/build_files/build_environment/cmake/harvest.cmake
index 33b7f9db192..f860778a6a1 100644
--- a/build_files/build_environment/cmake/harvest.cmake
+++ b/build_files/build_environment/cmake/harvest.cmake
@@ -132,8 +132,12 @@ harvest(openimageio/bin openimageio/bin "maketx")
 harvest(openimageio/bin openimageio/bin "oiiotool")
 harvest(openimageio/include openimageio/include "*")
 harvest(openimageio/lib openimageio/lib "*.a")
-harvest(openimagedenoise/include openimagedenoise/include "*")
-harvest(openimagedenoise/lib openimagedenoise/lib "*.a")
+if((NOT APPLE) OR ("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "x86_64"))
+  harvest(openimagedenoise/include openimagedenoise/include "*")
+  harvest(openimagedenoise/lib openimagedenoise/lib "*.a")
+  harvest(embree/include embree/include "*.h")
+  harvest(embree/lib embree/lib "*.a")
+endif()
 harvest(openjpeg/include/openjpeg-2.3 openjpeg/include "*.h")
 harvest(openjpeg/lib openjpeg/lib "*.a")
 harvest(opensubdiv/include opensubdiv/include "*.h")
@@ -168,8 +172,6 @@ harvest(vpx/lib ffmpeg/lib "*.a")
 harvest(webp/lib ffmpeg/lib "*.a")
 harvest(x264/lib ffmpeg/lib "*.a")
 harvest(xvidcore/lib ffmpeg/lib "*.a")
-harvest(embree/include embree/include "*.h")
-harvest(embree/lib embree/lib "*.a")
 harvest(usd/include usd/include "*.h")
 harvest(usd/lib/usd usd/lib/usd "*")
 harvest(usd/plugin usd/plugin "*")
diff --git a/build_files/build_environment/cmake/llvm.cmake b/build_files/build_environment/cmake/llvm.cmake
index 981db9c72b7..8c9a6076068 100644
--- a/build_files/build_environment/cmake/llvm.cmake
+++ b/build_files/build_environment/cmake/llvm.cmake
@@ -16,11 +16,17 @@
 #
 # ***** END GPL LICENSE BLOCK *****
 
+if(APPLE AND "${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64")
+  set(LLVM_TARGETS AArch64)
+else()
+  set(LLVM_TARGETS X86)
+endif()
+
 set(LLVM_EXTRA_ARGS
   -DLLVM_USE_CRT_RELEASE=MD
   -DLLVM_USE_CRT_DEBUG=MDd
   -DLLVM_INCLUDE_TESTS=OFF
-  -DLLVM_TARGETS_TO_BUILD=X86
+  -DLLVM_TARGETS_TO_BUILD=${LLVM_TARGETS}
   -DLLVM_INCLUDE_EXAMPLES=OFF
   -DLLVM_ENABLE_TERMINFO=OFF
   -DLLVM_BUILD_LLVM_C_DYLIB=OFF
diff --git a/build_files/build_environment/cmake/numpy.cmake b/build_files/build_environment/cmake/numpy.cmake
index abf2464e88c..03316a8fc63 100644
--- a/build_files/build_environment/cmake/numpy.cmake
+++ b/build_files/build_environment/cmake/numpy.cmake
@@ -38,6 +38,7 @@ ExternalProject_Add(external_numpy
   PREFIX ${BUILD_DIR}/numpy
   PATCH_COMMAND ${NUMPY_PATCH}
   CONFIGURE_COMMAND ""
+  PATCH_COMMAND COMMAND ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/numpy/src/external_numpy < ${PATCH_DIR}/numpy.diff
   LOG_BUILD 1
   BUILD_COMMAND ${PYTHON_BINARY} ${BUILD_DIR}/numpy/src/external_numpy/setup.py build ${NUMPY_BUILD_OPTION} install --old-and-unmanageable
   INSTALL_COMMAND ""
diff --git a/build_files/build_environment/cmake/opencolorio.cmake b/build_files/build_environment/cmake/opencolorio.cmake
index 502e9a6c03b..e8b0043edf7 100644
--- a/build_files/build_environment/cmake/opencolorio.cmake
+++ b/build_files/build_environment/cmake/opencolorio.cmake
@@ -30,6 +30,13 @@ set(OPENCOLORIO_EXTRA_ARGS
   -DOCIO_STATIC_JNIGLUE=OFF
 )
 
+if(APPLE AND NOT("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "x86_64"))
+  set(OPENCOLORIO_EXTRA_ARGS
+     ${OPENCOLORIO_EXTRA_ARGS}
+     -DOCIO_USE_SSE=OFF
+  )
+endif()
+
 if(WIN32)
   set(OCIO_PATCH opencolorio_win.diff)
   set(OPENCOLORIO_EXTRA_ARGS
diff --git a/build_files/build_environment/cmake/openmp.cmake b/build_files/build_environment/cmake/openmp.cmake
index 05b590e4926..ec0756a6693 100644
--- a/build_files/build_environment/cmake/openmp.cmake
+++ b/build_files/build_environment/cmake/openmp.cmake
@@ -22,6 +22,7 @@ ExternalProject_Add(external_openmp
   DOWNLOAD_DIR ${DOWNLOAD_DIR}
   URL_HASH MD5=${OPENMP_HASH}
   PREFIX ${BUILD_DIR}/openmp
+  PATCH_COMMAND ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/openmp/src/external_openmp < ${PATCH_DIR}/openmp.diff
   CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${LIBDIR}/openmp ${DEFAULT_CMAKE_FLAGS}
   INSTALL_COMMAND cd ${BUILD_DIR}/openmp/src/external_openmp-build && install_name_tool -id @executable_path/../Resources/lib/libomp.dylib runtime/src/libomp.dylib && make install
   INSTALL_DIR ${LIBDIR}/openmp
diff --git a/build_files/build_environment/cmake/options.cmake b/build_files/build_environment/cmake/options.cmake
index 39334af0bcf..fe2f1fa34e5 100644
--- a/build_files/build_environment/cmake/options.cmake
+++ b/build_files/build_environment/cmake/options.cmake
@@ -117,16 +117,28 @@ else()
       COMMAND xcodebuild -version -sdk macosx SDKVersion
       OUTPUT_VARIABLE MACOSX_SDK_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
 
-    set(OSX_ARCHITECTURES x86_64)
-    set(OSX_DEPLOYMENT_TARGET 10.13)
+    if(NOT CMAKE_OSX_ARCHITECTURES)
+      execute_process(COMMAND uname -m OUTPUT_VARIABLE ARCHITECTURE OUTPUT_STRIP_TRAILING_WHITESPACE)
+      message(STATUS "Detected native architecture ${ARCHITECTURE}.")
+      set(CMAKE_OSX_ARCHITECTURES "${ARCHITECTURE}")
+    endif()
+    if("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "x86_64")
+      set(OSX_DEPLOYMENT_TARGET 10.13)
+    else()
+      set(OSX_DEPLOYMENT_TARGET 11.00)
+    endif()
     set(OSX_SYSROOT ${XCODE_DEV_PATH}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk)
 
-    set(PLATFORM_CFLAGS "-isysroot ${OSX_SYSROOT} -mmacosx-version-min=${OSX_DEPLOYMENT_TARGET}")
-    set(PLATFORM_CXXFLAGS "-isysroot ${OSX_SYSROOT} -mmacosx-version-min=${OSX_DEPLOYMENT_TARGET} -std=c++11 -stdlib=libc++")
-    set(PLATFORM_LDFLAGS "-isysroot ${OSX_SYSROOT} -mmacosx-version-min=${OSX_DEPLOYMENT_TARGET}")
-    set(PLATFORM_BUILD_TARGET --build=x86_64-apple-darwin17.0.0) # OS X 10.13
+    set(PLATFORM_CFLAGS "-isysroot ${OSX_SYSROOT} -mmacosx-version-min=${OSX_DEPLOYMENT_TARGET} -arch ${CMAKE_OSX_ARCHITECTURES}")
+    set(PLATFORM_CXXFLAGS "-isysroot ${OSX_SYSROOT} -mmacosx-version-min=${OSX_DEPLOYMENT_TARGET} -std=c++11 -stdlib=libc++ -arch ${CMAKE_OSX_ARCHITECTURES}")
+    set(PLATFORM_LDFLAGS "-isysroot ${OSX_SYSROOT} -mmacosx-version-min=${OSX_DEPLOYMENT_TARGET} -arch ${CMAKE_OSX_ARCHITECTURES}")
+    if("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "x86_64")
+      set(PLATFORM_BUILD_TARGET --build=x86_64-apple-darwin17.0.0) # OS X 10.13
+    else()
+      set(PLATFORM_BUILD_TARGET --build=aarch64-apple-darwin20.0.0) # macOS 11.00
+    endif()
     set(PLATFORM_CMAKE_FLAGS
-      -DCMAKE_OSX_ARCHITECTURES:STRING=${OSX_ARCHITECTURES}
+      -DCMAKE_OSX_ARCHITECTURES:STRING=${CMAKE_OSX_ARCHITECTURES}
       -DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=${OSX_DEPLOYMENT_TARGET}
       -DCMAKE_OSX_SYSROOT:PATH=${OSX_SYSROOT}
     )
diff --git a/build_files/build_environment/cmake/png.cmake b/build_files/build_environment/cmake/png.cmake
index 8dd3c25b88b..9f8641873e6 100644
--- a/build_files/build_environment/cmake/png.cmake
+++ b/build_files/build_environment/cmake/png.cmake
@@ -22,6 +22,10 @@ set(PNG_EXTRA_ARGS
   -DPNG_STATIC=ON
 )
 
+if(APPLE AND ("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64"))
+  set(PNG_EXTRA_ARGS ${PNG_EXTRA_ARGS} -DPNG_HARDWARE_OPTIMIZATIONS=ON -DPNG_ARM_NEON=on -DCMAKE_SYSTEM_PROCESSOR="aarch64")
+endif()
+
 ExternalProject_Add(external_png
   URL ${PNG_URI}
   DOWNLOAD_DIR ${DOWNLOAD_DIR}
diff --git a/build_files/build_environment/cmake/python.cmake b/build_files/build_environment/cmake/python.cmake
index 681b20577d6..9cd56423941 100644
--- a/build_files/build_environment/cmake/python.cmake
+++ b/build_files/build_environment/cmake/python.cmake
@@ -69,12 +69,17 @@ else()
       export ac_cv_header_libintl_h=no &&
       export ac_cv_lib_intl_textdomain=no
     )
+    if("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64")
+      set(PYTHON_FUNC_CONFIGS ${PYTHON_FUNC_CONFIGS} && export PYTHON_DECIMAL_WITH_MACHINE=ansi64)
+    endif()
     set(PYTHON_CONFIGURE_ENV ${CONFIGURE_ENV} && ${PYTHON_FUNC_CONFIGS})
     set(PYTHON_BINARY ${BUILD_DIR}/python/src/external_python/python.exe)
+    set(PYTHON_PATCH ${PATCH_CMD} --verbose -p1 -d ${BUILD_DIR}/python/src/external_python < ${PATCH_DIR}/python_macos.diff)
   else()
     set(PYTHON_CONFIGURE_ENV ${CONFIGURE_ENV})
     set(PYTHON_BINARY ${BUILD_DIR}/python/src/external_python/python)
-  endif()
+    set(PYTHON_PATCH ${PATCH_CMD} --verbose -p1 -d ${BUILD_DIR}/python/src/external_python < ${PATCH_DIR}/python_linux.diff)
+ endif()
 
   set(PYTHON_CONFIGURE_EXTRA_ARGS "--with-openssl=${LIBDIR}/ssl")
   set(PYTHON_CFLAGS "-I${LIBDIR}/sqlite/include -I${LIBDIR}/bzip2/include -I${LIBDIR}/lzma/include -I${LIBDIR}/zlib/include")
@@ -84,7 +89,6 @@ else()
     export CPPFLAGS=${PYTHON_CFLAGS} &&
     export LDFLAGS=${PYTHON_LDFLAGS} &&
     export PKG_CONFIG_PATH=${LIBDIR}/ffi/lib/pkgconfig)
-  set(PYTHON_PATCH ${PATCH_CMD} --verbose -p1 -d ${BUILD_DIR}/python/src/external_python < ${PATCH_DIR}/python_linux.diff)
 
   ExternalProject_Add(external_python
     URL ${PYTHON_URI}
diff --git a/build_files/build_environment/cmake/sqlite.cmake b/build_files/build_environment/cmake/sqlite.cmake
index 9fa2fa7c708..90330c68811 100644
--- a/build_files/build_environment/cmake/sqlite.cmake
+++ b/build_files/build_environment/cmake/sqlite.cmake
@@ -51,7 +51,7 @@ ExternalProject_Add(external_sqlite
   DOWNLOAD_DIR ${DOWNLOAD_DIR}
   URL_HASH SHA1=${SQLITE_HASH}
   PREFIX ${BUILD_DIR}/sqlite
-  PATCH_COMMAND ${SQLITE_PATCH_CMD}
+  PATCH_COMMAND ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/sqlite/src/external_sqlite < ${PATCH_DIR}/sqlite.diff
   CONFIGURE_COMMAND ${SQLITE_CONFIGURE_ENV} && cd ${BUILD_DIR}/sqlite/src/external_sqlite/ && ${CONFIGURE_COMMAND} --prefix=${LIBDIR}/sqlite ${SQLITE_CONFIGURATION_ARGS}
   BUILD_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/sqlite/src/external_sqlite/ && make -j${MAKE_THREADS}
   INSTALL_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/sqlite/src/external_sqlite/ && make install
diff --git a/build_files/build_environment/cmake/ssl.cmake b/build_files/build_environment/cmake/ssl.cmake
index 6d81c6c9a26..e1c168817f4 100644
--- a/build_files/build_environment/cmake/ssl.cmake
+++ b/build_files/build_environment/cmake/ssl.cmake
@@ -20,7 +20,7 @@ set(SSL_CONFIGURE_COMMAND ./Configure)
 set(SSL_PATCH_CMD echo .)
 
 if(APPLE)
-  set(SSL_OS_COMPILER "blender-darwin-x86_64")
+   set(SSL_OS_COMPILER "blender-darwin-${CMAKE_OSX_ARCHITECTURES}")
 else()
   if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
     set(SSL_EXTRA_ARGS enable-ec_nistp_64_gcc_128)
diff --git a/build_files/build_environment/cmake/ssl.conf b/build_files/build_environment/cmake/ssl.conf
index 818e5a625ab..8a9c9dcab4c 100644
--- a/build_files/build_environment/cmake/ssl.conf
+++ b/build_files/build_environment/cmake/ssl.conf
@@ -12,4 +12,9 @@ my %targets = (
     inherit_from     => [ "darwin64-x86_64-cc" ],
     cflags => add("-fPIC"),
   },
+  "blender-darwin-arm64" => {
+    inherit_from     => [ "darwin-common" ],
+    cxxflags => add("-fPIC -arch arm64"),
+    cflags => add("-fPIC -arch arm64"),
+  },
 );
diff --git a/build_files/build_environment/cmake/theora.cmake b/build_files/build_environment/cmake/theora.cmake
index b1352c40e37..b6f9c589423 100644
--- a/build_files/build_environment/cmake/theora.cmake
+++ b/build_files/build_environment/cmake/theora.cmake
@@ -27,6 +27,7 @@ ExternalProject_Add(external_theora
   DOWNLOAD_DIR ${DOWNLOAD_DIR}
   URL_HASH SHA256=${THEORA_HASH}
   PREFIX ${BUILD_DIR}/theora
+  PATCH_COMMAND ${PATCH_CMD} -p 0 -d ${BUILD_DIR}/theora/src/external_theora < ${PATCH_DIR}/theora.diff
   CONFIGURE_COMMAND ${THEORA_CONFIGURE_ENV} && cd ${BUILD_DIR}/theora/src/external_theora/ && ${CONFIGURE_COMMAND} --prefix=${LIBDIR}/theora
     --disable-shared
     --enable-static
diff --git a/build_files/build_environment/cmake/vpx.cmake b/build_files/build_environment/cmake/vpx.cmake
index 741493859e2..799dea0189c 100644
--- a/build_files/build_environment/cmake/vpx.cmake
+++ b/build_files/build_environment/cmake/vpx.cmake
@@ -24,7 +24,11 @@ if(WIN32)
   endif()
 else()
   if(APPLE)
-    set(VPX_EXTRA_FLAGS --target=x86_64-darwin13-gcc)
+    if("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64")
+      set(VPX_EXTRA_FLAGS --target=generic-gnu)
+    else()
+      set(VPX_EXTRA_FLAGS --target=x86_64-darwin17-gcc)
+    endif()
   else()
     set(VPX_EXTRA_FLAGS --target=generic-gnu)
   endif()
diff --git a/build_files/build_environment/cmake/x264.cmake b/build_files/build_environment/cmake/x264.cmake
index 96bf031ce83..993e4591cb7 100644
--- a/build_files/build_environment/cmake/x264.cmake
+++ b/build_files/build_environment/cmake/x264.cmake
@@ -22,9 +22,14 @@ endif()
 
 
 if(APPLE)
-  set(X264_CONFIGURE_ENV
-    export AS=${LIBDIR}/nasm/bin/nasm
-  )
+  if("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64")
+    set(X264_EXTRA_ARGS ${X264_EXTRA_ARGS} "--disable-asm")
+    set(X264_CONFIGURE_ENV echo .)
+  else()
+    set(X264_CONFIGURE_ENV
+      export AS=${LIBDIR}/nasm/bin/nasm
+    )
+  endif()
 else()
   set(X264_CONFIGURE_ENV echo .)
 endif()