gistfile1.txt

brew install libtecla
==> Downloading http://www.astro.caltech.edu/~mcs/tecla/libtecla-1.6.2.tar.gz
Already downloaded: /Library/Caches/Homebrew/libtecla-1.6.2.tar.gz
==> ./configure --prefix=/usr/local/Cellar/libtecla/1.6.2 --mandir=/usr/local/Cellar/libtecla/1.6.2/share/man
==> make install
sed -n 's/^[ 	]*\([_a-zA-Z0-9]*\)[ 	]*;.*/+e \1/p' libtecla.map >libtecla.map.opt
clang -o libtecla.1.6.2.dylib -dynamiclib -flat_namespace -undefined suppress -compatibility_version 1.6 -current_version 1.6.2 -install_name /usr/local/Cellar/libtecla/1.6.2/lib/libtecla.1.6.2.dylib normal_obj/getline.o normal_obj/keytab.o normal_obj/freelist.o normal_obj/strngmem.o normal_obj/hash.o normal_obj/history.o normal_obj/direader.o normal_obj/homedir.o normal_obj/pathutil.o normal_obj/expand.o normal_obj/stringrp.o normal_obj/cplfile.o normal_obj/cplmatch.o normal_obj/pcache.o normal_obj/version.o normal_obj/chrqueue.o normal_obj/ioutil.o normal_obj/errmsg.o libgcc.a
clang: error: no such file or directory: 'libgcc.a'
make[1]: *** [libtecla.1.6.2.dylib] Error 1
make: *** [normal] Error 2

READ THIS: https://github.com/Homebrew/homebrew/wiki/troubleshooting