gcc: error: unrecognized command line option '-mmacosx-version-min=10.8'

[catplanet007]

go get github.com/alexflint/gallium

# github.com/alexflint/gallium
gcc: error: unrecognized command line option '-mmacosx-version-min=10.8'
gcc: error: unrecognized command line option '-mmacosx-version-min=10.8'
gcc: error: unrecognized command line option '-mmacosx-version-min=10.8'
gcc: error: unrecognized command line option '-mmacosx-version-min=10.8'

[alexflint]

Hmm, looks like I only ever tested this building under clang.