Fails to install on 10.10.4 with autogen.sh error

[pbashyal-nmdp]

$  brew tap railwaycat/emacsmacport
==> Tapping railwaycat/emacsmacport
Cloning into '/usr/local/Library/Taps/railwaycat/homebrew-emacsmacport'...
remote: Counting objects: 7, done.
remote: Compressing objects: 100% (5/5), done.
remote: Total 7 (delta 0), reused 3 (delta 0), pack-reused 0
Unpacking objects: 100% (7/7), done.
Checking connectivity... done.
Tapped 1 formula (31 files, 128K)
$ brew install emacs-mac --with-spacemacs-icon
==> Installing emacs-mac from railwaycat/homebrew-emacsmacport
==> Installing dependencies for railwaycat/emacsmacport/emacs-mac: autoconf, automake, pkg-config
==> Installing railwaycat/emacsmacport/emacs-mac dependency: autoconf
==> Downloading https://homebrew.bintray.com/bottles/autoconf-2.69.yosemite.bottle.1.tar.gz
######################################################################## 100.0%
==> Pouring autoconf-2.69.yosemite.bottle.1.tar.gz
🍺  /usr/local/Cellar/autoconf/2.69: 70 files, 3.1M
==> Installing railwaycat/emacsmacport/emacs-mac dependency: automake
==> Downloading https://homebrew.bintray.com/bottles/automake-1.15.yosemite.bottle.tar.gz
######################################################################## 100.0%
==> Pouring automake-1.15.yosemite.bottle.tar.gz
🍺  /usr/local/Cellar/automake/1.15: 130 files, 3.2M
==> Installing railwaycat/emacsmacport/emacs-mac dependency: pkg-config
==> Downloading https://homebrew.bintray.com/bottles/pkg-config-0.28.yosemite.bottle.2.tar.gz
######################################################################## 100.0%
==> Pouring pkg-config-0.28.yosemite.bottle.2.tar.gz
🍺  /usr/local/Cellar/pkg-config/0.28: 10 files, 612K
==> Installing railwaycat/emacsmacport/emacs-mac
==> Downloading https://github.com/railwaycat/mirror-emacs-mac/archive/emacs-24.5-mac-5.9.tar.gz
==> Downloading from https://codeload.github.com/railwaycat/mirror-emacs-mac/tar.gz/emacs-24.5-mac-5.9
######################################################################## 100.0%
######################################################################## 100.0%
==> ./autogen.sh
BEGIN failed--compilation aborted at /usr/local/Cellar/autoconf/2.69/share/autoconf/Autom4te/Channels.pm line 70.
Compilation failed in require at /usr/local/Cellar/autoconf/2.69/share/autoconf/Autom4te/ChannelDefs.pm line 19.
BEGIN failed--compilation aborted at /usr/local/Cellar/autoconf/2.69/share/autoconf/Autom4te/ChannelDefs.pm line 19.
Compilation failed in require at /usr/local/opt/autoconf/bin/autoreconf line 39.
BEGIN failed--compilation aborted at /usr/local/opt/autoconf/bin/autoreconf line 39.

Here's the gist-logs from home-brew https://gist.github.com/anonymous/523693f0d63ed95b30bf

[railwaycat]

Sorry, I will close this issue for now. Please feel free to reopen it or open a new issue if you see this problem again. Thanks!