#!/bin/sh

objtype=$cputype
test -f $PF9/$objtype/config && . $PF9/$objtype/config

. $PF9/linux/bin/9c_opts.sh

usegcc()
{
	cc=gcc
	ngflags=-c
	if $opti; then
		ngflags="-O2 $ngflags"
	fi
	if $warn; then
		ngflags="$ngflags \
			-Wall \
			-Wno-parentheses \
			-Wno-missing-braces \
			-Wno-switch \
			-Wno-comment \
			-Wno-sign-compare \
			-Wno-unknown-pragmas \
		"
	fi
	ngflags="$ngflags \
		-fno-omit-frame-pointer \
	"
	# want to put -fno-optimize-sibling-calls here but
	# that option only works with gcc3+ it seems
	cflags="$ngflags -ggdb"
}

tag="${SYSNAME:-`uname`}-${OBJTYPE:-`uname -m`}-${CC9:-cc}"
case "$tag" in
*BSD*)	usegcc ;;
*Darwin*)	usegcc 
		cflags="$ngflags -g3 -no-cpp-precomp" ;;
*Linux*)	usegcc 
		case "${CC9:-gcc}" in
		tcc)
			cc=tcc
			cflags="-c -g"
			;;
		esac
		case "${SYSVERSION:-`uname -r`}" in
		2.4.*)
			cflags="$cflags -D__Linux24__"
			;;
		2.6.*)
			cflags="$cflags -D__Linux26__"
			;;
		esac
		;;
*)
	echo 9c does not know how to compile on "$tag" 1>&2
	exit 1
esac

for src in $srcs; do
	if test -z "$outfile"; then
		outfile=`echo $src | sed 's,[^/]*/,,g;s,[.]c$,,'`.$O
	fi

	# N.B. Must use temp file to avoid pipe; pipe loses status.
	# The uniq at the end is for gcc's strcmp/etc. built-in nonsense,
	# which multiplies single errors as a result of its expansion.
	xtmp=/tmp/9c.$$.$USER.out
	$cc -o $outfile -DPLAN9PORT -DPF9 -I$PF9/$objtype/include -I$PF9/include $cflags $opts $src 2>$xtmp
	status=$?
	grep -v '__p9l_autolib_' $xtmp |
	egrep -v ': error: .Each undeclared identifier|: error: for each function it appears|is dangerous, better use|is almost always misused|: In function |: At top level:|support .long long.|In file included from|        from|use of C99 long long|ISO C forbids conversion' |
	sed 's/ .first use in this function.$//; s/\"\([^\"][^\"]*\)\", line \([0-9][0-9]*\)/\1:\2/g' |
	uniq 1>&2
	rm -f $xtmp $xtmp.status
	exit $status
done