chore(CI): Add build script for building all macOS deps

buildscripts/build_osx_deps.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+
+#    Copyright © 2021 by The qTox Project Contributors
+#
+#    This program is libre software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+set -euo pipefail
+
+SCRIPT_DIR=$(dirname $(realpath "$0"))
+
+install_dep()
+{
+    mkdir -p _build-dep
+    pushd _build-dep
+    "$SCRIPT_DIR"/$1 --arch macos
+    popd
+    rm -rf _build-dep
+}
+
+install_dep build_openssl_cross.sh
+install_dep build_qrencode_cross.sh
+install_dep build_libexif_cross.sh
+install_dep build_sodium_cross.sh
+install_dep build_openal_cross.sh
+install_dep build_vpx_cross.sh
+install_dep build_opus_cross.sh
+install_dep build_ffmpeg_cross.sh
+install_dep build_msgpack_c_cross.sh
+install_dep build_toxcore_cross.sh
+install_dep build_sqlcipher_cross.sh
+# install_dep build_qt_cross.sh