Downloading/unpacking libsass
  Running setup.py egg_info for package libsass

Installing collected packages: libsass
  Running setup.py install for libsass
    building 'sass' extension
    gcc-4.2 -fno-strict-aliasing -fno-common -dynamic -isysroot /Developer/SDKs/MacOSX10.6.sdk -arch i386 -arch x86_64 -g -O2 -DNDEBUG -g -O3 -DLIBSASS_PYTHON_VERSION="0.2.4" -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c sass.c -o build/temp.macosx-10.6-intel-2.7/sass.o -c -O2 -fPIC -Wall -Wno-parentheses -Wno-tautological-compare
    cc1: error: unrecognized command line option "-Wno-tautological-compare"
    cc1: error: unrecognized command line option "-Wno-tautological-compare"
    lipo: can't figure out the architecture type of: /var/folders/AL/ALVaJxRCEMqCTtdGB14pzE+++TI/-Tmp-//cch2WYF9.out
    error: command 'gcc-4.2' failed with exit status 1
    Complete output from command /Users/kang/workspace/fasticker/bin/python2.7 -c "import setuptools;__file__='/Users/kang/workspace/fasticker/build/libsass/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --single-version-externally-managed --record /var/folders/AL/ALVaJxRCEMqCTtdGB14pzE+++TI/-Tmp-/pip-A3V84k-record/install-record.txt --install-headers /Users/kang/workspace/fasticker/bin/../include/site/python2.7:
    running install

running build

running build_py

running build_ext

building 'sass' extension

gcc-4.2 -fno-strict-aliasing -fno-common -dynamic -isysroot /Developer/SDKs/MacOSX10.6.sdk -arch i386 -arch x86_64 -g -O2 -DNDEBUG -g -O3 -DLIBSASS_PYTHON_VERSION="0.2.4" -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c sass.c -o build/temp.macosx-10.6-intel-2.7/sass.o -c -O2 -fPIC -Wall -Wno-parentheses -Wno-tautological-compare

cc1: error: unrecognized command line option "-Wno-tautological-compare"

cc1: error: unrecognized command line option "-Wno-tautological-compare"

lipo: can't figure out the architecture type of: /var/folders/AL/ALVaJxRCEMqCTtdGB14pzE+++TI/-Tmp-//cch2WYF9.out

error: command 'gcc-4.2' failed with exit status 1

----------------------------------------
Command /Users/kang/workspace/fasticker/bin/python2.7 -c "import setuptools;__file__='/Users/kang/workspace/fasticker/build/libsass/setup.py';exec(compile(open(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --single-version-externally-managed --record /var/folders/AL/ALVaJxRCEMqCTtdGB14pzE+++TI/-Tmp-/pip-A3V84k-record/install-record.txt --install-headers /Users/kang/workspace/fasticker/bin/../include/site/python2.7 failed with error code 1 in /Users/kang/workspace/fasticker/build/libsass
Storing complete log in /Users/kang/.pip/pip.log