Andrzej Bialecki wrote:
> On Sun, 30 Jan 2000, John Polstra wrote:
>
> > > > It's source-dir is called "xinstall" btw.
> > > Why is the source called "xinstall"?
> >
> > To avoid colliding with the standard make target "install". If we
> > had utilities named "all", "depend", and "clean" we'd have to do the
> > same thing for them.
>
> Mhmmm... Isn't this something that .PHONY target is supposed to handle?
No. Consider:
PROG= install
all: ${PROG}
${PROG}: ${OBJS}
cc -o ${PROG} ${OBJS}
install:
${INSTALL} .... ${PROG} ${BINDIR}
....
and with ${PROG} expanded out:
all: install
install: ${OBJS}
cc -o install ${OBJS}
install:
${INSTALL} .... install ${BINDIR}
....
Spot the problem.. Does the target "install" mean "build the binary" or
"install the binary"?
src/usr.bin/xinstall could probably have been named src/usr.bin/install,
but PROG has to be xinstall regardless. I guess they kept the two as
xinstall for consistancy and in case there were other gotcha's like this.
Cheers,
-Peter
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