#!/bin/sh -e

# TODO remove .b files etc from .build if they are no-longer in the source dir
# TODO use a gcc option -Werror to make warnings fatal ??


. brace_env


#BK_LIB=`readlink -f \`dirname "$0"\`/../include/bk`
BK_LIB="`dirname "$0"`/../lib/bk"
D="$PWD"
export BK_LIB D


#mkdir -p .build
#find . -mindepth 1 -type d \! \( -name '.build' -or -path '*/.build/*' -or -name '_darcs' -or -path '*/_darcs/*' \) |
#while read A; do
#	mkdir -p .build/"$A"
#done

#find . -type f \( -name '*.b' -or -name '*.bb' -or \! -perm ++x \) \! \( -path '*/.build/*' -or -path '*/_darcs/*' \) |
#while read A; do
#	ln -f "$D/$A" .build/"$A"
#done
#
#cd .build

# remove empty files to cope with build errors . disabled because some files are meant to be empty
# find . -type f -size 0 -print0 | xargs -0 rm -f

if [ -z "$BRACE_HEADER_GUARD_PREFIX" ]; then
	BRACE_HEADER_GUARD_PREFIX="BRACE_HEADER_GUARD_`basename "$D"`_"
	export BRACE_HEADER_GUARD_PREFIX
fi
echo "BRACE_HEADER_GUARD_PREFIX=$BRACE_HEADER_GUARD_PREFIX" >&2

export TARGET="$*"

if [ "$TARGET" != clean ]; then
	brace_update_headers
fi

brace_mk_cc >bkfile_cc

# split the bkfile, so var decls come before include
# FIXME this is a bit dodgy, e.g. won't work if we have
# an assignment with a ': ' in it!
<bkfile sed -n '/: /q; p' >bkfile.1
#echo 'include $(BK_LIB)' >>bkfile.1
cat "$BK_LIB" >>bkfile.1
<bkfile sed -n '/: /,$p' >>bkfile.1
echo 'include bkfile_cc' >>bkfile.1

rm -f bk.failed

#( make -f bkfile.1 $TARGET 2>&1 || touch bk.failed ) |
#grep --line-buffered -ve 'Each undeclared identifier is reported only once' \
#  -e 'for each function it appears in' |
#sed -u 's,^[^.:]*\.\(c\|cc\):,.build/&,' |
#tee bk.log

if [ -z "$MAKE" ]; then
	MAKE=make
	which gmake >/dev/null && MAKE=gmake
fi

( $MAKE -f bkfile.1 $TARGET 2>&1 || touch bk.failed ) |
perl -ne '
	BEGIN { $|=1; }
	/Each undeclared identifier is reported only once/ ||
	/for each function it appears in/ ||
	print
	 # || do { s,(^[^.:]*\.(c|cc):),.build/$1,; print }
' |
tee bk.log

[ -e bk.failed ] && {
	rm -f bk.failed
	echo >&2 bk: failed
	exit 1
}

exit 0

#find \( -type f -o -type l \) \( -perm ++x -o -name '*.so' -o -name '*.so.[0-9]*' -o -name '*.dll' \) |
#while read A; do
#	# find -perm ++x returns true for all symlinks :/
#	if [ -x "$A" ]; then
#		rm -f ../"$A"
#	 	cp -a "$A" ../"$A"
#	else
#		case "$A" in
#		*.so|*.so.[0-9]*)
#		rm -f ../"$A"
#		cp -a "$A" ../"$A" ;;
#		esac
#	fi
#done
#
#if [ -n "$BK_HEADERS" ]; then
#	find -type f \( -name '*.bh' -o -name '*.bbh' \) |
#	while read A; do
#		ln -f "$A" ../"$A"
#	done
#fi