upgrade/libretro/makefile

#
# retrofit - fit a v7 program onto a v6 system
#
LIBDIR= /usr/lib
OBJS=   getenv.o getpwuid.o getpwent.o\
        _getuid.o _sgtty.o htmpg.o htmps.o ttyname.o ttyn.o isatty.o _stat.o\
        setjmp.o wait.o ilongops.o ctype.o typeof.o lseek.o
AR=     -ar
AS=     -as
CFLAGS= -O -I/usr/include/retrofit
ED=     -ed

libretro.a: ${OBJS}
        rm -f libretro.a
        ${AR} r libretro.a ${OBJS}

ctype.o: ctype.s
        ${ED} <:cfix ctype.s
        ${AS} -o ctype.o ctype.s

ctype.s: ctype.c
        ${CC} -I/usr/include/retrofit -S ctype.c

print:
        @pr READ_ME
        @pr ../hdrs/*.h ../hdrs/sys/*.h
        @pr *.c *.s

clean:
        rm -f libretro.a ctype.s
        -rm -f *.o

install: libretro.a
        cat /dev/null >> /etc/htmp
        mv libretro.a ${LIBDIR}/libretro.a
        chmod 644 ${LIBDIR}/libretro.a