Re: VPATH of the form C:/foo

[Benoit Sigoure]

On Nov 29, 2007, at 5:27 AM, Eli Zaretskii wrote:

> > Cc: address@hidden
> > From: Benoit Sigoure <address@hidden>
> > Date: Wed, 28 Nov 2007 23:30:59 +0100
> >
> > > It will be supported in the next release of Make.  For now, try the
> > > patch from here:
> > >
> > >   http://lists.gnu.org/archive/html/make-w32/2006-08/msg00104.html
> > >
> > > Note that after patching, you will need to regenerate the configure
> > > script, then repeat the "./configure; make; make install" dance.
> >
> > This patch is the first that I applied before building make.  And
> > after applying the patches, configure is automatically regenerated
> > thanks to the automatic dependencies installed by automake.  So yeah,
> > even with this patch, it doesn't work.
>
> That's strange.  Can you show a short self-contained Makefile that
> exhibits this problem with the Cygwin port of Make?

-----------------------------------------------------------------------
address@hidden ~ $ make -p VPATH=.. | grep -A2 -i vpath
[...]
--
# VPATH Search Paths

# No `vpath' search paths.

# General (`VPATH' variable) search path:
# ..
-----------------------------------------------------------------------

Here the VPATH build is correctly enabled.

-----------------------------------------------------------------------
address@hidden ~ $ make -p VPATH=C:/cygwin | grep -A2 -i vpath
[...]
--
# VPATH Search Paths

# No `vpath' search paths.

# No general (`VPATH' variable) search path.

# # of strings in strcache: 0
-----------------------------------------------------------------------

Oops, no VPATH (this behavior is commonly observed when the VPATH  
variable contains non-existent paths).

-----------------------------------------------------------------------
address@hidden ~ $ make -p VPATH=C:/ | grep -A2 -i vpath
[...]
--
# VPATH Search Paths

# No `vpath' search paths.

# General (`VPATH' variable) search path:
# /
-----------------------------------------------------------------------

Oops, `C:/' is not `/'.

I triple checked that `make' does invoke /usr/local/bin/make which is  
my own version of make with the 2 patches applied [1], and not the  
stock /usr/bin/make installed by Cygwin.


[1]
  http://www.tsunanet.net/~tsuna/make-3.81-cygwin.patch
  http://www.tsunanet.net/~tsuna/make-3.81-cygwin_MAKE_expansion.patch
  The first of these two patches is the one that was mentioned by  
Eli above.

--
Benoit Sigoure aka Tsuna
EPITA Research and Development Laboratory

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