MAC Installation CMake Small problem

Use brew install CMake today.

==> downloading https://homebrew.bintray.com/bottles/cmake-3.9.6.sierra.bottle.tar.gz

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==> pouring cmake-3.9.6.sierra.bottle.tar.gz

Error: The ' Brew link ' step did not complete successfully

The formula built, but was not symlinked into/usr/local

Could not symlink SHARE/ACLOCAL/CMAKE.M4

/usr/local/share/aclocal is not writable.

You can try again using:

Brew Link CMake

==> Caveats

Emacs Lisp files has been installed to:

/usr/local/share/emacs/site-lisp/cmake

==> Summary

?? /usr/local/cellar/cmake/3.9.6:2,267 files, 31.7MB

Brew Install CMake

Warning: cmake 3.9.6 is already installed, it's just not linked.

You can use the ' Brew link cmake ' to link this version.

X-macbook-pro:primecount-master zilong$ Brew Link CMake

linking/usr/local/cellar/cmake/3.9.6 ...  

Error: Could not symlink share/aclocal/cmake.m4

/usr/local/share/aclocal is not writable.

X-macbook-pro:primecount-master zilong$ Brew Link CMake

linking/usr/local/cellar/cmake/3.9.6 ...  

Error: Could not symlink share/aclocal/cmake.m4

/usr/local/share/aclocal is not writable.

Oh, it's a privilege problem, so you can do it by empowering

sudo chown-r ' whoami ': admin/usr/local/share/aclocal

Knock it over again.

Brew Link CMake

MAC Installation CMake Small problem