console from `brew install fontconfig`

gistfile1.txt

chris@chris-KLR650 ~ $ brew doctor
Your system is ready to brew.
chris@chris-KLR650 ~ $ brew install fontconfig
==> Installing dependencies for fontconfig: xz, libpng, freetype
==> Installing fontconfig dependency: xz
==> Downloading http://fossies.org/linux/misc/xz-5.0.7.tar.bz2
Already downloaded: /home/chris/.cache/Homebrew/xz-5.0.7.tar.bz2
==> ./configure --disable-silent-rules --prefix=/home/chris/.linuxbrew/Cellar/xz
==> make install
/home/chris/.linuxbrew/Cellar/xz/5.0.7: 63 files, 1.7M, built in 23 seconds
==> Installing fontconfig dependency: libpng
==> Downloading https://downloads.sf.net/project/libpng/libpng16/1.6.13/libpng-1
Already downloaded: /home/chris/.cache/Homebrew/libpng-1.6.13.tar.xz
==> ./configure --disable-silent-rules --prefix=/home/chris/.linuxbrew/Cellar/li
==> make install
/home/chris/.linuxbrew/Cellar/libpng/1.6.13: 17 files, 1.3M, built in 13 seconds
==> Installing fontconfig dependency: freetype
==> Downloading https://downloads.sf.net/project/freetype/freetype2/2.5.3/freety
Already downloaded: /home/chris/.cache/Homebrew/freetype-2.5.3.tar.bz2
==> ./configure --prefix=/home/chris/.linuxbrew/Cellar/freetype/2.5.3_1 --withou
==> make
==> make install
/home/chris/.linuxbrew/Cellar/freetype/2.5.3_1: 60 files, 2.7M, built in 21 seconds
==> Installing fontconfig
==> Downloading http://fontconfig.org/release/fontconfig-2.11.1.tar.bz2
Already downloaded: /home/chris/.cache/Homebrew/fontconfig-2.11.1.tar.bz2
==> Patching
patching file fc-cache/fc-cache.c
patching file fontconfig/fontconfig.h
patching file src/fccache.c
patching file src/fcdir.c
patching file src/fcfs.c
patching file src/fcint.h
patching file src/fcpat.c
==> ./configure --disable-silent-rules --with-add-fonts=/System/Library/Fonts,/L
==> make install RUN_FC_CACHE_TEST=false
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory `/home/chris/homebrew_temp/fontconfig-AxJBYv/fontconfig-2.11.1/doc'
make[1]: *** [install] Error 2
make[1]: Leaving directory `/home/chris/homebrew_temp/fontconfig-AxJBYv/fontconfig-2.11.1/doc'
make: *** [install-recursive] Error 1

READ THIS: https://github.com/Homebrew/linuxbrew/blob/master/share/doc/homebrew/Troubleshooting.md#troubleshooting