#!/bin/rc
#
# c++ CC based on POSIX standard c89
#
# standard options: -c, -D name[=val], -E (preprocess to stdout),
#    -g, -L dir, -o outfile, -O, -s, -U name
#    (and operands can have -l lib interspersed)
#
# nonstandard but specified options: -S (assembly language left in .s),
# nonstandard option: -v (echo real commands to stdout as they execute)
	
rfork e
fn searchlib {
	switch($1){
	case c
		echo /$objtype/lib/ape/libap.a
	case m
		echo /$objtype/lib/ape/libap.a
	case l
		echo /$objtype/lib/ape/libl.a
	case y
		echo /$objtype/lib/ape/liby.a
	case *
		y=()
		for(a in $libdirs /$objtype/lib/c++ /$objtype/lib/ape)
			if (test -r $a/lib$1.a)
				if(~ $#y 0) y=$a/lib$1.a
		if(! ~ $#y 0)
			echo $y
	}
}
switch($objtype){
case mips
	CC=vc
	LD=vl
	O=v
case 68020
	CC=2c
	LD=2l
	O=2
case sparc
	CC=kc
	LD=kl
	O=k
case 386
	CC=8c
	LD=8l
	O=8
case hobbit
	CC=zc
	LD=zl
	O=z
}
oname=a.out
srcs=()
objs=()
libdirs=()
cppargs=()
ccargs=(-B -J -D_POSIX_SOURCE)
cflag=0
vflag=0
Eflag=0
Sflag=0
main=MAIN
pflag=()
while(! ~ $#* 0){
	switch($1){
	case -c
		cflag=1
	case -l
		if (~ $#2 0)
			echo CC: no arg for -l
		if not {
			y=`{searchlib $2}
			if(~ $#y 0)
				echo CC: cannot find lib $2
			if not
				objs=($objs $y)
			shift
		}
	case -l*
		y=`{echo $1 | sed 's/-l//'}
		y=`{searchlib $y}
		if(~ $#y 0)
			echo CC: cannot find lib $2
		if not
			objs=($objs $y)
	case -o
		if (~ $#2 0)
			echo CC: no arg for -o
		if not {
			oname=$2
			shift
		}
	case -[DIU]
		if (~ $#2 0)
			echo CC: no arg for $1
		if not {
			cppargs=($cppargs $2)
			shift
		}
	case -[DIU]*
		cppargs=($cppargs $1)
	case -[EF]
		ccargs=($ccargs $1)
		cflag=1
	case -p
		pflag=-p
		main=MAINP
	case -g
		;
	case -s
		;
	case -O
		;
	case -v
		vflag=1
	case -S
		Sflag=1
	case -*
		echo CC: flag $1 ignored
	case *
		switch(`{echo $1 | sed 's/.*(\..*)$/\1/'}){
		case .c
			b=`{ape/basename $1 .c}
			d=`{ape/dirname $1}
			srcs=($srcs $d/$b)
			objs=($objs $b.o)
		case .o
			objs=($objs $1)
		case .$O
			objs=($objs $1)
		case .a
			objs=($objs $1)
		case .a$O
			objs=($objs $1)
		case *
			echo CC: argument $1 ignored
		}
	}
	shift
}
if(~ $#objs 0){
	echo CC: no files to compile or load!
	exit nofiles
}
for(f in $srcs){
	# $f is the full pathname without the extension
	# -N turns off default includes
	bf=`{ape/basename $f}
	if (~ $Sflag 1) {
		if (~ $vflag 1)
			echo c++/$CC $ccargs -S $f.i '>' $bf.s
		if(! c++/$CC $ccargs -S $f.i > $bf.s)
			exit ccerr
	}
	if not {
		rm -f $bf.$O
		if (~ $vflag 1)
			echo $CC $ccargs $f.c
	   	if (! c++/$CC $ccargs $f.c)
			exit ccerr
		if(test -r $bf.$O)
	   		mv $bf.$O $bf.o
	}
}
libC=/$objtype/lib/c++/libC.a
ctdt=/$objtype/lib/c++/__ctdt.$O
if(~ $cflag 0){
	# -l turns off default MAIN, libc
	if (~ $vflag 1)
			echo $LD $pflag -o $oname $objs $libn -lC -lap
	$LD $pflag -l -o $oname /$objtype/lib/ape/$main.$O $objs $ctdt $ldargs $libC /$objtype/lib/ape/libap.a
	if(~ $status '')
		/bin/c++/patch $oname
	if not
		exit lderr
}
exit ''