Error building on OSX 10.8, XCode 5

gistfile1.txt

Camys-MacBook-Pro:kivy-ios camy$ tools/build-ios.sh 
~/kivy-ios/kivy-ios/src/ios ~/kivy-ios/kivy-ios
-- cythonize ['/Users/camy/kivy-ios/kivy-ios/tools/cythonize.py', 'ios.pyx']
cythonize: ios.pyx
Traceback (most recent call last):
  File "/usr/local/bin/cython", line 5, in <module>
    from pkg_resources import load_entry_point
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py", line 698, in <module>
    class Environment(object):
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py", line 701, in Environment
    def __init__(self, search_path=None, platform=get_supported_platform(), python=PY_MAJOR):
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py", line 96, in get_supported_platform
    plat = get_build_platform(); m = macosVersionString.match(plat)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py", line 222, in get_build_platform
    plat = get_platform()
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/util.py", line 98, in get_platform
    cfgvars = get_config_vars()
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/sysconfig.py", line 498, in get_config_vars
    func()
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/sysconfig.py", line 407, in _init_posix
    raise DistutilsPlatformError(my_msg)
distutils.errors.DistutilsPlatformError: $MACOSX_DEPLOYMENT_TARGET mismatch: now "10.5" but "10.8" during configure
no need to rewrite ios.pyx
running build_ext
building 'ios' extension
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -I/Users/camy/kivy-ios/kivy-ios/build/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -arch armv7 -pipe -no-cpp-precomp -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.0.sdk -miphoneos-version-min=7.0 -O3 -I/Users/camy/kivy-ios/kivy-ios/tmp/Python-2.7.1/Include -I/Users/camy/kivy-ios/kivy-ios/tmp/Python-2.7.1 -c ios.c -o build/temp.macosx-10.8-armv7-2.7/ios.o
clang: error: no such file or directory: 'ios.c'
clang: error: no input files
error: command '/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang' failed with exit status 1