[(21/22) bison -> fetch ]
-----> Step done
[(21/22) bison -> extract ]
-----> Step done
[(21/22) bison -> configure ]
-----> Step done
[(21/22) bison -> compile ]
Running command 'make -j4'
/Applications/Xcode.app/Contents/Developer/usr/bin/make all-recursive
Making all in po
make[2]: Nothing to be done for `all'.
Making all in runtime-po
make[2]: Nothing to be done for `all'.
Making all in .
src/bison --version >doc/bison.help.tmp
/bin/sh: line 1: 54415 Abort trap: 6 src/bison --version > doc/bison.help.tmp
make[2]: *** [doc/bison.help] Error 134
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2
***** Error running 'bootstrap' command:
Recipe 'bison' failed at the build step 'compile'
