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To: cygwin@sourceware.cygnus.com
cc: David.Wilson@MessagingDirect.com
Subject: B20.1: problem with make and multiple absolute targets
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Date: Tue, 17 Aug 1999 18:37:54 +0100
Message-ID: <16756.934911474@MessagingDirect.com>
From: David Wilson <David.Wilson@MessagingDirect.com>

We have found a problem with B20.1 make (GNU 3.75 port) for which we can find 
no workaround. The problem arises when one has a multiple target dependency 
and some of the file names start with '/'. This is in UNIX mode.

Here is a simple Makefile that exhibits the problem:

	all: file1 /file2

	file1 /file2:
		echo $@

If the '/' is removed from the front of file2 in both cases, the result is as 
expected. No problem is found with GNU make 3.75 built on Solaris.

The output from make -p seems to indicate that the space + '/' results in 
names being paired. So, with

	/file1 /file2 /file3 /file4:
		echo $@

you get references to

	/file1 /file2:
		echo $@

	/file3 /file4:
		echo $@

in the make -p output.

I see evidence of GMU make 3.77 ports for the Cygnus environment. Where can 
one get these from? For our purposes make only needs to operate in UNIX mode, 
and //c/... type names are not required.

David Wilson                          David.Wilson@MessagingDirect.com
MessagingDirect Ltd.                             Tel: +44 181 332 9091
http://www.messagingdirect.com                   Fax: +44 181 332 9019


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