#!/bin/sh
# called with parameters: 1:dir 2:ackbase 3:gnubase

set -e

source /etc/make.conf

exec  >Makefile
exec !3 >Makedepend-ack
exec !4 >Makedepend-gnu
touch  .depend-ack
touch  .depend-gnu

echo "#Generated from $1/Makefile.in"

setglobal ACKBASE = $2
setglobal GNUBASE = $3
setglobal OBJDIR = $1

setglobal RECURSIVE_TARGETS = '"clean depend depend-ack depend-gnu'"

if test -z $ACKBASE { echo ACKBASE is not set!; exit 1; }
if test -z $GNUBASE { echo GNUBASE is not set!; exit 1; }

source Makefile.in

#to enable library debugging, enable the next line
#CFLAGS=$CFLAGS" -g"

echo "all: all-ack"
echo
echo "all-ack:"
echo "all-gnu:"
echo
echo "makefiles: Makefile"
echo "Makedepend-ack Makedepend-gnu: "
echo "	sh $0 $OBJDIR $ACKBASE $GNUBASE"
echo
echo "Makefile: Makefile.in Makedepend-ack Makedepend-gnu"
echo "	sh $0 $OBJDIR $ACKBASE $GNUBASE"
echo "	@echo"
echo "	@echo *Attention*"
echo "	@echo Makefile is regenerated... rerun command to see changes"
echo "	@echo *Attention*"
echo "	@echo"
echo
if test ! -z $SUBDIRS {
	echo "all-ack: makefiles"
	for dir in [$SUBDIRS]
	do {
		if test $TYPE = "both" -o $TYPE = "ack" {
			echo "	mkdir -p $ACKBASE/$OBJDIR/$dir"
		}
		echo "	cd $dir && \$(MAKE) \$@"
	}
	echo
	echo "all-gnu: makefiles"
	for dir in [$SUBDIRS]
	do {
		if test $TYPE = "both" -o $TYPE = "gnu" {
			echo "	mkdir -p $GNUBASE/$OBJDIR/$dir"
		}
		
		echo "	cd $dir && \$(MAKE) \$@"
	}
	echo
	echo "$RECURSIVE_TARGETS:: makefiles"
	for dir in [$SUBDIRS]
	do {
		#if [ $TYPE = "both" -o $TYPE = "ack" ]; then
			#echo "	mkdir -p $ACKBASE/$OBJDIR/$dir"
		#fi
		#if [ $TYPE = "both" -o $TYPE = "gnu" ]; then
			#echo "	mkdir -p $GNUBASE/$OBJDIR/$dir"
		#fi
		
		echo "	cd $dir && \$(MAKE) \$@"
	}
	echo
	for dir in [$SUBDIRS]
	do {
		echo "makefiles: $dir/Makefile"
	}
	echo
	for dir in [$SUBDIRS]
	do {
		echo "$dir/Makefile: $dir/Makefile.in"
		echo "	cd $dir && sh ../$0 $OBJDIR/$dir ../$ACKBASE ../$GNUBASE && \$(MAKE) makefiles"
	}
} else {

echo "depend: depend-ack"

echo "depend-ack:" > !3
echo "	rm .depend-ack" > !3
echo "	touch .depend-ack" > !3

echo "depend-gnu:" > !4
echo "	rm .depend-gnu" > !4
echo "	touch .depend-gnu" > !4

proc ackCommands
{
	setglobal dstfile = $1
	setglobal srcfile = $2
	setglobal dstdir = $[dirname $dstfile]
	
	match $srcfile {
	with *.s | *.c | *.e 
		echo "	cc $CFLAGS -c -o $dstfile $srcfile"
		
		echo "	mkdep 'cc $CFLAGS -E' $srcfile | sed -e 's:^\(.\):$dstdir/\1:' >> .depend-ack" > !3
		
	with *.mod 
		echo "	m2 $M2FLAGS -c -o $dstfile $srcfile"
		
		echo "	mkdep 'm2 $M2FLAGS -E' $srcfile | sed -e 's:^\(.\):$dstdir/\1:' >> .depend-ack" > !3
		
	with *.fc 
		echo "	sh ./FP.compile $dstfile $srcfile"
		
		echo "	mkdep 'cc -E' $srcfile | sed -e 's:^\(.\):$dstdir/\1:' >> .depend-ack" > !3
		
	}
}

proc gnuCommands
{
	setglobal dstfile = $1
	setglobal srcfile = $2
	setglobal dstdir = $[dirname $dstfile]
	setglobal sedcmd = ""sed -e '/<built-in>/d' -e '/<command line>/d' -e 's:^\(.\):$dstdir/\1:'""
	
	match $srcfile {
	with *.s 
		echo "	gcc $CFLAGS -E -x assembler-with-cpp -I. $srcfile | asmconv -mi386 ack gnu > $GNUBASE/$OBJDIR/$srcfile.gnu"
		echo "	gas -o $dstfile $GNUBASE/$OBJDIR/$srcfile.gnu"
		
		echo "	mkdep 'gcc $CFLAGS -E -x assembler-with-cpp -I.' $srcfile | $sedcmd >> .depend-gnu" > !4
		
	with *.gs 
		echo "	gas -o $dstfile $srcfile"
		
		echo "	mkdep 'gcc $CFLAGS -E -x assembler-with-cpp -I.' $srcfile | $sedcmd >> .depend-gnu" > !4
		
	with *.c 
		echo "	gcc $CFLAGS -c -o $dstfile $srcfile"
		
		echo "	mkdep 'gcc $CFLAGS -E' $srcfile | $sedcmd >> .depend-gnu" > !4
		
	#*.mod )
	#	echo "	\$(M2C) -o $dstfile $srcfile"
	#	;;
	#*.fc )
	#	echo "	sh ./FP.COMPILE $srcfile"
	#	;;
	}
	echo
}

#libraries
for lib in [$LIBRARIES]
do {
	if test $TYPE = "both" -o $TYPE = "ack" {
		echo "all-ack: $ACKBASE/$lib.a"
		eval "FILES=\$$(lib)_FILES" 
		echo
		for f in [$FILES]
		do {
			setglobal o = $[echo $f | sed -e 's/\\..*\$/\.o/]
			echo "$ACKBASE/$lib.a: $ACKBASE/$lib.a($o)"
		}
		echo
		echo "$ACKBASE/$lib.a:"
		echo "	ar cr $ACKBASE/$lib.a $ACKBASE/$OBJDIR/*.o"
		echo "	rm $ACKBASE/$OBJDIR/*.o"
		echo
		for f in [$FILES]
		do {
			setglobal o = $[echo $f | sed -e 's/\\..*\$/\.o/]
			echo "$ACKBASE/$lib.a($o): $f"
			
			ackCommands $ACKBASE/$OBJDIR/$o $f
		}
		echo
	}
	
	if test $TYPE = "both" -o $TYPE = "gnu" {
		echo "all-gnu: $GNUBASE/$lib.a"
		eval "FILES=\$$(lib)_FILES" 
		echo
		for f in [$FILES]
		do {
			setglobal o = $[echo $f | sed -e 's/\\..*\$/\.o/]
			echo "$GNUBASE/$lib.a: $GNUBASE/$OBJDIR/$o"
		}
		echo
		echo "$GNUBASE/$lib.a:"
		echo "	gar cr $GNUBASE/$lib.a \$?"
		echo
		for f in [$FILES]
		do {
			setglobal o = $[echo $f | sed -e 's/\\..*\$/\.o/]
			
			echo "$GNUBASE/$OBJDIR/$o: $f"
			
			gnuCommands $GNUBASE/$OBJDIR/$o $f
		}
		echo
	}
}
echo

#start files
for f in [$STARTFILES]
do {
	setglobal o = $[echo $f | sed -e 's/\\..*\$/\.o/]
	
	if test $TYPE = "both" -o $TYPE = "ack" {
		echo "all-ack: $ACKBASE/$o"
		echo
		echo "$ACKBASE/$o: $f"
		ackCommands $ACKBASE/$o $f
		echo
	}
	if test $TYPE = "both" -o $TYPE = "gnu" {
		echo "all-gnu: $GNUBASE/$o"
		echo
		echo "$GNUBASE/$o: $f"
		gnuCommands $GNUBASE/$o $f
		echo
	}
}

} # elif of if [ -n "$SUBDIRS" ]
echo
echo "clean::"
if test $TYPE = "both" -o $TYPE = "ack" {
	echo "	rm -f $ACKBASE/$OBJDIR/*"
}
if test $TYPE = "both" -o $TYPE = "gnu" {
	echo "	rm -f $GNUBASE/$OBJDIR/*"
}

if test $OBJDIR = "." {
	echo
	echo "install: install-ack"
	echo
	echo "install-ack: all-ack"
	# $ARCH is from /etc/make.conf
	echo "	cp $ACKBASE/*.[ao] /usr/lib/$ARCH"
	echo
	echo "install-gnu: all-gnu"
	echo "	cp $GNUBASE/*.[ao] /usr/gnu/lib"
}

echo
echo "include Makedepend-ack"
echo "include .depend-ack"
echo
echo "include Makedepend-gnu"
echo "include .depend-gnu"