Add Travis script for Mac builds

.travis.yml

@@ -0,0 +1,11 @@
+language: cpp
+os: osx
+
+before_install:
+    - brew update
+    - brew install qt5
+
+script:
+    # XXX: please chmod +x the shell script.
+    - sh ./scripts/macos_build.sh
+    - ./scripts/macos_post_build.sh

scripts/macos_build.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+
+set -Eeuxo pipefail
+
+export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig
+export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/opt/openssl/lib/pkgconfig
+export PATH=$PATH:/usr/local/opt/qt5/bin:/usr/local/bin
+
+mkdir bass
+cd bass
+curl http://www.un4seen.com/files/bass24-osx.zip -o bass.zip
+unzip bass.zip
+cp libbass.dylib ../lib
+cd ..
+
+mkdir discord-rpc
+cd discord-rpc
+curl -L https://github.com/discordapp/discord-rpc/releases/download/v3.4.0/discord-rpc-osx.zip
+unzip discord_rpc_osx.zip
+cp discord-rpc/osx-dynamic/lib/libdiscord-rpc.a ../lib
+cd ..
+
+mkdir qtapng
+cd qtapng
+curl -L https://github.com/Skycoder42/QtApng/releases/download/1.1.0-5/build_clang_64_5.12.0.tar.xz -o apng.tar.xz
+tar -xvf apng.tar.xz
+cp clang_64/plugins/imageformats/libqapng.dylib ../lib
+cd ..
+
+qmake && make -j2

scripts/macos_post_build.sh

@@ -2,8 +2,6 @@
 
 DST_FOLDER="./bin/Attorney_Online.app/Contents/Frameworks"
 
-cd ..
-
 mkdir $DST_FOLDER
 
 cp ./lib/libbass.dylib $DST_FOLDER