Hi djc59,
Please take a look in share\doc\bison\README.ZOS:
Tool - bison-2.3
Works only with the encoding EBCDIC
PREREQUISITES
m4 should be installed and the M4 environment variable should be set to path of
m4 installation directory.
INSTALL
Unpack archive bison-2.3.tar.gz to directory /rsusr/rocket/ or your
directory.
Modify script file bin/yacc so that it uses proper path to bison executable file.
Install the necessary permissions and ownership for files.
Update environment variables PATH, MANPATH adding the path of your bison
installation directory.
Update environment variable BISON_PKGDATADIR to the path of subdirectory
share/bison of your bison installation directory.
Example:
mkdir -p /rsusr/rocket
gzip -d bison-2.3.tar.gz
tar -C /rsusr/rocket -xovf bison-2.3.tar
cd /rsusr/rocket/bin
echo '#! /bin/sh' >yacc
echo 'exec /rsusr/rocket/bin/bison -y "$@"' >>yacc
chmod a+x yacc
export PATH=$PATH:/rsusr/rocket/bin
export MANPATH=$MANPATH:/rsusr/rocket/man/
export BISON_PKGDATADIR=/rsusr/rocket/share/bison
export M4=/rsusr/rocket/bin/m4
Thanks,
Alexander