#!/bin/sh

if test $# -lt 1; then
   echo "Usage: gcc-set-default <gcc version> [<platform> [<binary>]]"
   exit 1
fi

if test -z $QNX_HOST; then
   echo "Your QNX_HOST is not setup, check your environment."
   exit 2
fi

ALL_VERSIONS="2.95.3 3.3.5"
ALL_PLATFORMS="arm mips ppc sh x86"
ALL_PROGRAMS="c++ g++ gcc gcov protoize unprotoize"

version=$1
platform=$2
program=$3

version_checked=no
for p in $ALL_VERSIONS; do
	if test $p == $version; then
		version_checked=yes
		break
	fi
done
if test $version_checked == "no"; then
	echo "Unknown version $version, quit."
	exit 4
fi

platform_checked=no
if test ! -z $platform; then
	for p in $ALL_PLATFORMS; do
		if test $p == $platform; then
			platform_checked=yes
			ALL_PLATFORMS=$platform
			break
		fi
	done
	if test $platform_checked == "no"; then
		echo "Unknown platform $platform, quit."
		exit 3
	fi
fi

program_checked=no
if test ! -z $program; then
	for p in $ALL_PROGRAMS; do
		if test $p == $program; then
			program_checked=yes
			ALL_PROGRAMS=$program
			break
		fi
	done
	if test $program_checked == "no"; then
		echo "Unknow program $program, quit."
		exit 4
	fi
fi

cd $QNX_HOST/usr/bin

for platform in $ALL_PLATFORMS; do
	for program in $ALL_PROGRAMS; do
		ln -sf nto$platform-$program-$version nto$platform-$program
	done
done

ln -sf ntox86-gcc-$version gcc
ln -sf ntox86-g++-$version g++
ln -sf gcc cc