force TARGET_CPU=darwin

Author: mattip

recipe/build-core.sh

@@ -10,6 +10,8 @@ if [[ "$target_platform" == osx* ]]; then
   else
     export LDFLAGS="$LDFLAGS -undefined dynamic_lookup"
   fi
+  echo changing TARGET_CPU=$TARGET_CPU to 'darwin', cross compilation is still limited
+  TARGET_CPU=darwin
   # https://github.com/conda-forge/bazel-toolchain-feedstock/issues/18
   # delete the line from the template and the CXXFLAGS
   export CXXFLAGS="${CXXFLAGS/-stdlib=libc++ /} -Wno-vla-cxx-extension"