Build fails on OSX

[garbear]

From the osx jenkins build log:

[ 75%] Performing build step for 'fbalpha'
cd /Users/Shared/jenkins/workspace/OSX-64/tools/depends/target/binary-addons/macosx10.10_x86_64-target-debug/build/fbalpha/src/fbalpha && /Applications/Xcode6.1.1.app/Contents/Developer/usr/bin/make -C . -f makefile.libretro platform=osx GIT_VERSION=
...
clang: error: unknown argument: '-fforce-addr'
clang: error: unknown argument: '-fforce-addr'
clang: error: unknown argument: '-fforce-addr'
clang: error: unknown argument: '-fforce-addr'
make[8]: *** [src/burn/snd/fm.o] Error 1
make[8]: *** Waiting for unfinished jobs....
make[8]: *** [src/burn/snd/ay8910.o] Error 1
make[8]: *** [src/burner/ioapi.o] Error 1
make[8]: *** [src/burner/unzip.o] Error 1
clang: error: unknown argument: '-fforce-addr'
clang: error: unknown argument: '-fforce-addr'
make[8]: *** [src/burn/snd/fmopl.o] Error 1
make[8]: *** [src/burn/snd/ym2151.o] Error 1
make[7]: *** [fbalpha/src/fbalpha-stamp/fbalpha-build] Error 2
make[6]: *** [CMakeFiles/fbalpha.dir/all] Error 2
make[5]: *** [all] Error 2
make[4]: *** [build/fbalpha/src/fbalpha-stamp/fbalpha-build] Error 2
make[3]: *** [CMakeFiles/fbalpha.dir/all] Error 2
make[2]: *** [CMakeFiles/game.libretro.fbalpha.dir/rule] Error 2
make[1]: *** [game.libretro.fbalpha] Error 2