macos wheel building: compile icu from source

Author: proycon

.github/workflows/wheels.yml

@@ -37,15 +37,19 @@ jobs:
               fi &&
               ./build-deps.sh
            CIBW_BEFORE_ALL_MACOS: >
-              brew install pkg-config icu4c autoconf-archive autoconf automake &&
+              brew install pkg-config autoconf-archive autoconf automake &&
+              git clone https://github.com/unicode-org/icu &&
+              cd icu/icu4c/source &&
+              ./configure && make && make install &&
+              cd ../../../ &&
               git clone https://gitlab.gnome.org/GNOME/libxml2 &&
               cd libxml2 &&
               autoreconf --install && ./configure && make && make install &&
               git clone https://github.com/LanguageMachines/frog &&
               cd frog &&
               ./build-deps.sh &&
-              ./configure &&
-              make && make install
+              ./bootstrap.sh &&
+              ./configure && make && make install
            CIBW_MANYLINUX_X86_64_IMAGE: quay.io/pypa/manylinux2014_x86_64
            CIBW_SKIP: "*-win* *-manylinux_i686 pp*"