mac OS brew 编译时间太长问题

Question

==> Upgrading 2 outdated packages, with result:
gcc 7.2.0_1, youtube-dl 2018.01.14
==> Upgrading gcc 
Warning: Building gcc from source:
  The bottle needs the Xcode CLT to be installed.
==> Downloading https://ftp.gnu.org/gnu/gcc/gcc-7.2.0/gcc-7.2.0.tar.xz
######################################################################## 100.0%
==> Downloading https://raw.githubusercontent.com/Homebrew/formula-patches/e9e0ee09389a54cc4c8fe1c24ebca3cd765
Already downloaded: /Users/hongwei/Library/Caches/Homebrew/gcc--patch-863957f90a934ee8f89707980473769cff47ca0663c3906992da6afb242fb220.patch
==> Downloading https://raw.githubusercontent.com/Homebrew/formula-patches/df0465c02a/gcc/apfs.patch
Already downloaded: /Users/hongwei/Library/Caches/Homebrew/gcc--patch-f7772a6ba73f44a6b378e4fe3548e0284f48ae2d02c701df1be93780c1607074.patch
==> Patching
==> Applying 6.1.0-jit.patch
patching file gcc/jit/Make-lang.in
==> Applying apfs.patch
patching file libstdc++-v3/include/Makefile.in
==> ../configure --build=x86_64-apple-darwin17.3.0 --prefix=/usr/local/Cellar/gcc/7.2.0_1 --libdir=/usr/local/
==> make

//上面的代码make编译的时候 已经超过2个小时了，怎么解决呢？