#!/bin/sh
##
##  gcc.sh -- GCC Package Build Utility
##  Copyright (c) 2002 Ralf S. Engelschall <rse@engelschall.com> 
##

check="$1"
shift
case $check in
    require-binutils ) 
         #   determine whether GNU gcc requires GNU binutils on this platform
         require="no"
         target="$1"
         shift
         case $target in
            *-linux* )
                #   under Linux the vendor ld is GNU binutils,
                #   but make sure it is GNU binutils >= 2.12
                if [ -f /etc/debian_version ]; then
                    v=`/usr/bin/dpkg -l binutils | grep binutils | awk '{ print $3; }'`
                elif [ -f /etc/redhat-release ]; then
                    v=`/bin/rpm -q --qf '%{VERSION}' binutils`
                elif [ -f /etc/SuSE-release ]; then
                    v=`/bin/rpm -q --qf '%{VERSION}' binutils`
                else
                    v=`(/usr/bin/ld --version | grep 'GNU ld' | sed -e 's;^[^0-9]*\([0-9].[0-9.]*\).*;\1;') 2>/dev/null`
                fi
                case "$v" in
                    2.1[2-9] | 2.1[2-9].* ) ;;
                    * ) require="yes" ;;
                esac
                ;;
             *-freebsd* )
                #   under FreeBSD the vendor ld is GNU binutils,
                #   but make sure it is GNU binutils >= 2.12
                v=`(/usr/bin/ld --version | grep 'GNU ld' | sed -e 's;^[^0-9]*\([0-9].[0-9.]*\).*;\1;') 2>/dev/null`
                case "$v" in
                    2.1[2-9] | 2.1[2-9].* ) ;;
                    * ) require="yes" ;;
                esac
                ;;
             * )
                #   under other OS the vendor ld is usually not GNU binutils,
                #   but if it is, make sure it is GNU binutils >= 2.12
                for dir in /bin /usr/bin /usr/ccs/bin /sbin /usr/sbin /usr/ccs/sbin; do
                    if [ -f "$dir/ld" ]; then
                        if [ ".`($dir/ld --version) 2>/dev/null | grep 'GNU ld'`" != . ]; then
                            v=`($dir/ld --version | grep 'GNU ld' | sed -e 's;^[^0-9]*\([0-9].[0-9.]*\).*;\1;') 2>/dev/null`
                            #   require GNU binutils >= 2.12
                            case "$v" in
                                2.1[2-9] | 2.1[2-9].* ) ;;
                                * ) require="yes"; break ;;
                            esac
                        fi
                    fi
                done
                ;;
         esac
         echo "$require" | awk '{ printf("%s", $1); }'
         ;;
esac