#! /bin/sh
# $Id$

customss="--enable-static --disable-shared"
if [ "$1" = "--origss" ];then
	customss=
	shift
fi

customm="-m64"
if [ "$1" = "--origm" ];then
	customm=
	shift
fi

configure="./configure"
if [ "${1#*/configure}" != "$1" ];then
	configure="$1"
	shift
fi

(
	set -ex
	rm -f config.cache
	test -z "$CC" && CC=gcc
	: >errs1.c
	for flags in													\
		"-ggdb2 -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4"	\
		"-ggdb2 -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions"						\
		""													\
		;do
		if [ -z "$flags" ];then
			rm -f errs1.c
			echo >&2 "flags error"
			exit 1
		fi
		"$CC" $flags -c errs1.c -o /dev/null && break
	done
	if test -n "$customm" && "$CC" $customm -c errs1.c -o /dev/null;then
		flags="$customm $flags"
	fi
	rm -f errs1.c
	export CFLAGS="$flags"
	export CXXFLAGS="$flags"
	export GCJFLAGS="$flags"

	# sourceware.org?
	if test -f `dirname $configure`/bfd/elf64-x86-64.c;then
		maintainer=""
	else
		maintainer="--enable-maintainer-mode"
	fi

	time nice "$configure" $customss --enable-debug $maintainer "$@"
	) 2>&1|tee errs1