Run core tests in Safari. Partially addresses https://github.com/pyodide/pyodide/issues/989

It runs, but there are several test failures, I'll open separate issues about those.
package:
  name: lzma
  version: 1.0.0 # Nonesense
  _cpython_dynlib: true
  top-level:
    - lzma
source:
  path: empty
build:
  sharedlibrary: true
  script: |
    mkdir dist
    export DISTDIR=$(pwd)/dist
    cd $CPYTHONBUILD
    emcc $STDLIB_MODULE_CFLAGS -c Modules/_lzmamodule.c -o Modules/_lzmamodule.o \
      $(pkg-config --cflags --dont-define-prefix liblzma)

    emcc Modules/_lzmamodule.o -o $DISTDIR/_lzma.so $SIDE_MODULE_LDFLAGS \
      $(pkg-config --libs --dont-define-prefix liblzma)

    cp Lib/lzma.py $DISTDIR

requirements:
  host:
    - liblzma

package:
  name: lzma
  version: 1.0.0 # Nonesense
  _cpython_dynlib: true
  top-level:
    - lzma
source:
  path: empty
build:
  sharedlibrary: true
  script: |
    mkdir dist
    export DISTDIR=$(pwd)/dist
    cd $CPYTHONBUILD
    emcc $STDLIB_MODULE_CFLAGS -c Modules/_lzmamodule.c -o Modules/_lzmamodule.o \
      $(pkg-config --cflags --dont-define-prefix liblzma)

    emcc Modules/_lzmamodule.o -o $DISTDIR/_lzma.so $SIDE_MODULE_LDFLAGS \
      $(pkg-config --libs --dont-define-prefix liblzma)

    cp Lib/lzma.py $DISTDIR

requirements:
  host:
    - liblzma
