macos wheel building: compile xz (liblzma.dylib) from source

Author: proycon

.github/workflows/wheels.yml

@@ -38,9 +38,13 @@ jobs:
               ./build-deps.sh
            CIBW_BEFORE_ALL_MACOS: >
               brew install pkg-config autoconf-archive autoconf automake &&
+              git clone https://github.com/tukaani-project/xz &&
+              cd xz &&
+              autoreconf --install && ./configure && make && make install &&
+              cd ..
               git clone https://github.com/unicode-org/icu &&
               cd icu/icu4c/source &&
-              ./configure && make && make install &&
+              ./configure && make && make install && ls -l /usr/local/lib/libicu* &&
               cd ../../../ &&
               git clone https://gitlab.gnome.org/GNOME/libxml2 &&
               cd libxml2 &&