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Subject: Re: Standard LEX variable doesn't work in Make.
To: cygwin AT cygwin DOT com
References: <d06883e8208624afb5d094ebd3e78375 AT mail DOT kylheku DOT com>
From: Ken Brown <kbrown AT cornell DOT edu>
Message-ID: <870d5fee-47d4-f896-183c-5a5920fc90a6@cornell.edu>
Date: Mon, 21 Nov 2016 12:33:56 -0500
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On 11/21/2016 11:57 AM, Kaz Kylheku wrote:
> Hi,
>
> I'm changing a FOSS project to rely more on standard Make
> vars such as CC and CFLAGS and such: use $(CC) for
> the compiler unless told otherwise, incorporate $(CFLAGS)
> if it is defined, and so forth. This is friendly toward
> distro package maintainers.
>
> Anyway, even though my Cygwin installation has GNU Flex,
> the lex command is nonexistent; thus the $(LEX) Make
> variable fails.
>
> Either LEX should go to "flex", or there should be a
> "lex" alias.
>
> If the installation has some sort of lex, the
> predefined $(LEX) variable should resolve to it.

Shouldn't your configure script take care of this?  There's an autoconf 
macro AC_PROG_LEX that you can use.

Ken


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