regen.sh

#!/bin/sh

OS=$(uname -s)

if [ "$OS" = "OpenBSD" ];
then
    echo "OpenBSD detected"
    mkdir -p m4
    if [[ -z "$AUTOCONF_VERSION" || -z "$AUTOMAKE_VERSION" ]]; then
        echo "ERROR:"
        echo "You must define the AUTOCONF_VERSION and AUTOMAKE_VERSION environment variables"
        echo "Install at least autoconf-2.59p3 and automake-1.9.6p8 and run:"
        echo "export AUTOCONF_VERSION=2.59"
        echo "export AUTOMAKE_VERSION=1.9"
        exit 1
    fi
fi

if [ "$OS" = "OpenBSD" -o "$OS" = "FreeBSD" ];
then
    echo "Dont forget to add --with-gmp-include=/usr/local/include --with-gmp-lib=/usr/local/lib to the configure script"
fi

if [ "$OS" = "NetBSD" ];
then
    echo "Dont forget to add --with-gmp-include=/usr/pkg/include --with-gmp-lib=/usr/pkg/lib to the configure script"
fi

aclocal --force
libtoolize --force
autoconf --force
automake -a