To ensure it doesn't break now that we're using Roslyn by default.
if [[ ${CI_TAGS} == *'checked-coop'* ]]; then EXTRA_CONF_FLAGS="${EXTRA_CONF_FLAGS} --enable-checked-build=gc,thread"; export MONO_CHECK_MODE=gc,thread; fi
if [[ ${CI_TAGS} == *'checked-all'* ]]; then EXTRA_CONF_FLAGS="${EXTRA_CONF_FLAGS} --enable-checked-build=all"; export MONO_CHECK_MODE=all; fi
+if [[ ${CI_TAGS} == *'mcs-compiler'* ]]; then EXTRA_CONF_FLAGS="${EXTRA_CONF_FLAGS} --with-csc=mcs"; fi
+
if [[ ${label} == 'osx-i386' ]]; then EXTRA_CONF_FLAGS="${EXTRA_CONF_FLAGS} --with-libgdiplus=/Library/Frameworks/Mono.framework/Versions/Current/lib/libgdiplus.dylib --build=i386-apple-darwin11.2.0"; fi
if [[ ${label} == 'osx-amd64' ]]; then EXTRA_CONF_FLAGS="${EXTRA_CONF_FLAGS} --with-libgdiplus=/Library/Frameworks/Mono.framework/Versions/Current/lib/libgdiplus.dylib "; fi
if [[ ${label} == 'w32' ]]; then PLATFORM=Win32; EXTRA_CONF_FLAGS="${EXTRA_CONF_FLAGS} --host=i686-w64-mingw32"; export MONO_EXECUTABLE="`cygpath -u ${WORKSPACE}\\\msvc\\\build\\\sgen\\\Win32\\\bin\\\Release\\\mono-sgen.exe`"; fi