我尝试在我的mac上安装openCV，但在运行brew install opencv后出现此错误：
Devins-MacBook-Air:~ devinwieker$ brew install opencv
==> Installing opencv from homebrew/homebrew-science
==> Installing dependencies for opencv: gcc, readline, sqlite, gdbm, python, eigen, ilmbase,
==> Installing opencv dependency: gcc
==> Downloading http://ftpmirror.gnu.org/gcc/gcc-4.9.2/gcc-4.9.2.tar.bz2
Already downloaded: /Library/Caches/Homebrew/gcc-4.9.2.tar.bz2
==> ../configure --build=x86_64-apple-darwin13.4.0 --prefix=/usr/local/Cellar/gcc/4.9.2_1 --libdir=
==> make bootstrap
make[3]: *** [cc1plus] Error 1
rm gcc.pod
make[2]: *** [all-stage1-gcc] Error 2
make[1]: *** [stage1-bubble] Error 2
make: *** [bootstrap] Error 2
任何人都知道发生了什么？