ENH: Build macOS module wheels with TBB support

Author: thewtex

scripts/delocate.package.apply.patch

@@ -0,0 +1,5 @@
+diff -uNr ../itk_numerics-5.2.1.dev20210824-cp39-cp39-macosx_10_9_x86_64/itk/__init__.py ./itk/__init__.py
+--- ../itk_numerics-5.2.1.dev20210824-cp39-cp39-macosx_10_9_x86_64/itk/__init__.py	1969-12-31 19:00:00.000000000 -0500
++++ ./itk/__init__.py	2021-09-08 21:11:35.000000000 -0400
+@@ -0,0 +1 @@
++from . import *

scripts/delocate.package.revert.patch

@@ -0,0 +1,5 @@
+diff -uNr ./itk/__init__.py ../itk_numerics-5.2.1.dev20210824-cp39-cp39-macosx_10_9_x86_64/itk/__init__.py
+--- ./itk/__init__.py	2021-09-08 21:11:35.000000000 -0400
++++ ../itk_numerics-5.2.1.dev20210824-cp39-cp39-macosx_10_9_x86_64/itk/__init__.py	1969-12-31 19:00:00.000000000 -0500
+@@ -1 +0,0 @@
+-from . import *

scripts/macpython-build-module-wheels.sh

@@ -25,6 +25,8 @@ Python3_EXECUTABLE=${VENV}/bin/python3
 ${Python3_EXECUTABLE} -m pip install --no-cache delocate
 DELOCATE_LISTDEPS=${VENV}/bin/delocate-listdeps
 DELOCATE_WHEEL=${VENV}/bin/delocate-wheel
+# So delocate can find the libs
+export DYLD_LIBRARY_PATH=${script_dir}/../oneTBB-prefix/lib
 
 # Compile wheels re-using standalone project and archive cache
 for VENV in "${VENVS[@]}"; do
@@ -67,5 +69,9 @@ for VENV in "${VENVS[@]}"; do
     ${Python3_EXECUTABLE} setup.py clean
 done
 
-${DELOCATE_LISTDEPS} $PWD/dist/*.whl # lists library dependencies
-${DELOCATE_WHEEL} $PWD/dist/*.whl # copies library dependencies into wheel
+for wheel in $PWD/dist/*.whl; do
+  ${DELOCATE_PATCH} $wheel ${script_dir}/delocate.package.apply.patch # workaround for delocate's need for a package
+  ${DELOCATE_LISTDEPS} $wheel # lists library dependencies
+  ${DELOCATE_WHEEL} $wheel # copies library dependencies into wheel
+  ${DELOCATE_PATCH} $wheel ${script_dir}/delocate.package.revert.patch # workaround for delocate's need for a package
+done

scripts/macpython-build-wheels.sh

@@ -39,6 +39,7 @@ Python3_EXECUTABLE=${VENV}/bin/python3
 ${Python3_EXECUTABLE} -m pip install --no-cache delocate
 DELOCATE_LISTDEPS=${VENV}/bin/delocate-listdeps
 DELOCATE_WHEEL=${VENV}/bin/delocate-wheel
+DELOCATE_PATCH=${VENV}/bin/delocate-patch
 
 # Build standalone project and populate archive cache
 tbb_dir=$PWD/oneTBB-prefix/lib/cmake/TBB
@@ -181,8 +182,18 @@ for VENV in "${VENVS[@]}"; do
     find ${build_path} -name '*.o' -delete
 done
 
-${DELOCATE_LISTDEPS} ${SCRIPT_DIR}/../dist/*.whl # lists library dependencies
-${DELOCATE_WHEEL} ${SCRIPT_DIR}/../dist/*.whl # copies library dependencies into wheel
+for wheel in dist/*.whl; do
+  echo "Delocating $wheel"
+  if [[ $wheel = *itk_core* ]]; then
+    ${DELOCATE_LISTDEPS} $wheel # lists library dependencies
+    ${DELOCATE_WHEEL} $wheel # copies library dependencies into wheel
+  else
+    ${DELOCATE_PATCH} $wheel ${SCRIPT_DIR}/delocate.package.apply.patch # workaround for delocate's need for a package
+    ${DELOCATE_LISTDEPS} $wheel # lists library dependencies
+    ${DELOCATE_WHEEL} $wheel # copies library dependencies into wheel
+    ${DELOCATE_PATCH} $wheel ${SCRIPT_DIR}/delocate.package.revert.patch # workaround for delocate's need for a package
+  fi
+done
 
 # Install packages and test
 # numpy wheel not currently available for the M1