我正在系统地download from terminal，但我一直收到一个似乎不清楚的错误。任何人都可以帮助我了解发生了什么，我该怎么做才能解决这个问题？这是错误的样子：
Last 15 lines from /Users/xxxxx/Library/Logs/Homebrew/macvim/01.configure:
--enable-rubyinterp
--enable-tclinterp
--with-tlib=ncurses
--with-compiledby=Homebrew
--with-local-dir=/usr/local
--enable-cscope
--enable-pythoninterp
configure: creating cache auto/config.cache
checking whether make sets $(MAKE)... yes
checking for gcc... clang
checking whether the C compiler works... no
configure: error: in `/private/tmp/macvim20160405-2972-uihf5e/macvim-snapshot-100/src':
configure: error: C compiler cannot create executables