#!/bin/sh
#
# This is a gcc wrapper.  It forces gcc -m64 for default compilation.
# It also fakes the return of --print-libgcc-file-name which is used
# by Debian dpkg and dpkg-architecture to detect what the system is.
#
# Install
#  mv /usr/bin/gcc /usr/bin/gcc.org
#  mv /usr/bin/g++ /usr/bin/g++.org
#  cp gcc.bart /usr/bin/gcc.bart
#  ln -s /usr/bin/gcc.bart /usr/bin/gcc
#  ln -s /usr/bin/gcc.bart /usr/bin/g++
#
#  ARCH="x86_64" can be used on 32bit systems to override default compilation
#

machine=`uname -m`
arch=${ARCH:-$machine}

stem=$0
args=${1+"$@"}

#echo $0 $@ > /tmp/last-gcc-cmd.${USER}

case ${arch} in
x86_64)
	stem=`case ${stem} in \
			cc|*/cc)  echo gcc ;; \
			c++|*/c++) echo g++ ;; \
			gcc.bart|*/gcc.bart) echo gcc ;; \
			*)   echo ${stem} ;; \
		esac`

	if [ "$args" = '-dumpmachine' ] ; then

		echo 'x86_64-linux';

	elif [ "$args" = '--print-libgcc-file-name' ] ; then

		gcclib=$(${stem}-3.3 --print-libgcc-file-name)
		if [ -z "$gcclib" ] ; then 
			exit 127 
		fi

		echo "$gcclib" | sed 's,/usr/lib/gcc-lib/i.86-linux/,/usr/lib/gcc-lib/x86_64-linux/,'


	elif ( echo $args | grep -E -e '-m(32|64)' > /dev/null ) ; then

		exec ${stem}-3.3 ${1+"$@"}

	else 
		exec ${stem}-3.3 -m64 ${1+"$@"}
	fi

	;;

    *)
	exec ${stem}-3.3 ${args}

	;;
esac