Re: VPATH of the form C:/foo

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

>> Cc: [email protected]
>> From: Benoit Sigoure <[email protected]>
>> 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?

-----------------------------------------------------------------------
build@bf-winxp1 ~ $ 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.

-----------------------------------------------------------------------
build@bf-winxp1 ~ $ 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).

-----------------------------------------------------------------------
build@bf-winxp1 ~ $ 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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