use workaround for mac

.travis.yml

@@ -15,7 +15,7 @@ install:
   - sudo cp -r /Library/Frameworks/Mono.framework/External/xbuild/MonoGame/v3.0/Tools/osx /Users/travis/build/mdreem/dreetris_csharp/Dreetris/Content/
 
 script:
-  - msbuild ./Dreetris/Dreetris.csproj /p:Configuration=Release /v:d /t:Build
+  - ./build.sh
 
 after_success:
   - zip dreetris -r ./Dreetris/bin/Release/

build.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+ROOT=$(pwd)
+
+msbuild ./Dreetris/Dreetris.csproj /p:Configuration=Release /v:d /t:Build
+
+MGCB_DIR=/Library/Frameworks/Mono.framework/External/xbuild/MonoGame/v3.0/Tools
+MGCB=${MGCB_DIR}/MGCB.exe
+
+cd ${ROOT}
+mkdir -p ${ROOT}/Dreetris/bin/tmp
+cp ${ROOT}/Dreetris/Content/music.ogg ${ROOT}/Dreetris/bin/tmp
+
+pushd ${MGCB_DIR}
+mono ${MGCB} /platform:Linux /build:${ROOT}/Dreetris/bin/tmp/music.ogg
+popd
+
+cp ${ROOT}/Dreetris/bin/tmp/music.ogg ${ROOT}/Dreetris/bin/Release/Content
+cp ${ROOT}/Dreetris/bin/tmp/music.xnb ${ROOT}/Dreetris/bin/Release/Content