From:	earnie_boyd AT yahoo DOT com (Earnie Boyd)
Subject:	Re: B20: Bug in make with static pattern rules.
11 Nov 1998 20:21:35 -0800 :
Message-ID:	<19981111032245.17283.rocketmail.cygnus.gnu-win32@send104.yahoomail.com>
Reply-To:	earnie_boyd AT yahoo DOT com
Mime-Version:	1.0
To:	Malcolm Purvis <malcolmp AT abc DOT gov DOT au>, gnu-win32 AT cygnus DOT com

Do you have the environment variable MAKE_MODE set to unix?  
I.E.: export MAKE_MODE=unix

---Malcolm Purvis <malcolmp AT abc DOT gov DOT au> wrote:
>
> I have just downloaded and installed the full.exe version of B20
onto my win
> 95B machine, and immediately set about installing some software that
had been
> ported to B18, but I don't think has been supported since. 
Unfortunately, it
> fails with make generating an error.  The following makefile
highlights the
> problem:
> 
>
---------------------------------------------------------------------------
> # Test for a bug in cygwin gnumake
> 
> AA := /a
> BB := /a/b
> 
> all :: $(AA) $(BB)
> 
> $(AA) $(BB) : % :
> 	mkdir $@
> 
>
---------------------------------------------------------------------------
> 
> When run under B20, it produces the message:
> 
>
---------------------------------------------------------------------------
> make: *** No rule to make target '/a', needed by 'all'.   Stop.
>
---------------------------------------------------------------------------
> 
> While gnumake 3.77 under Solaris produces the expected output:
> 
>
---------------------------------------------------------------------------
> mkdir /a
> mkdir /a/b
>
---------------------------------------------------------------------------
> 
> However, it works if the leading '/' is removed from the path in
$(BB).  Is
> there a problem with absolute path names?
> 
> The error seems to be generated because the two paths are being
combined into
> one path with a space in the name and so the desired targets vanish
and make
> generates the error.  This can be seen if make's database is dumped
(with the
> -p argument).  The following is the relevant part of the dump (the
rest is
> deleted for brevity):
> 
>
---------------------------------------------------------------------------
> /a /a/b:
> #  Implicit rule search has not been done.
> #  Implicit/static pattern stem: `/a /a/b'
> #  Modification time never checked.
> #  File has not been updated.
> #  commands to execute (from `Makefile.txt', line 9):
> 	mkdir $@
>
---------------------------------------------------------------------------
> 
> The equivalent parts of the run on Solaris is:
> 
>
---------------------------------------------------------------------------
> /a:
> #  Implicit rule search has not been done.
> #  Implicit/static pattern stem: `/a'
> #  File does not exist.
> #  File has been updated.
> #  Successfully updated.
> # automatic
> # ^ := 
> # automatic
> # @ := /a
> # automatic
> # + := 
> # automatic
> # ? := 
> # automatic
> # * := /a
> # automatic
> # % := 
> # automatic
> # < := 
> # 7 variables in 23 hash buckets.
> # average of 0.3 variables per bucket, max 2 in one bucket.
> #  commands to execute (from `Makefile', line 9):
> 	mkdir $@
> 
> /a/b:
> #  Implicit rule search has not been done.
> #  Implicit/static pattern stem: `/a/b'
> #  File does not exist.
> #  File has been updated.
> #  Successfully updated.
> # automatic
> # ^ := 
> # automatic
> # @ := /a/b
> # automatic
> # + := 
> # automatic
> # ? := 
> # automatic
> # * := /a/b
> # automatic
> # % := 
> # automatic
> # < := 
> # 7 variables in 23 hash buckets.
> # average of 0.3 variables per bucket, max 2 in one bucket.
> #  commands to execute (from `Makefile', line 9):
> 	mkdir $@
>
---------------------------------------------------------------------------
> 
> -- 
> Malcolm Purvis (malcolmp AT abc DOT gov DOT au) - ABC Technology Research and
Development
> 
> "I don't want it to be practical, I want it to be *expensive*."
> 	-- my wife.
> -
> For help on using this list (especially unsubscribing), send a
message to
> "gnu-win32-request AT cygnus DOT com" with one line of text: "help".
> 

==
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--          earnie_boyd AT yahoo DOT com          --
-- http://www.freeyellow.com/members5/gw32 --
----------------ooo0O--O0ooo-----------------

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