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Re: [PATCH] Revert 'Fix logic error in _AC_PROG_LEX_YYTEXT_DECL (#109320

From: Ross Burton
Subject: Re: [PATCH] Revert 'Fix logic error in _AC_PROG_LEX_YYTEXT_DECL (#109320)'
Date: Thu, 16 Jul 2020 19:47:32 +0100

On Thu, 16 Jul 2020 at 19:41, Zack Weinberg <> wrote:
> Can we slow down a bit please?  I had written out a patch (basically
> equivalent to what's now in trunk) and I am in the process of setting
> up a cross-compilation environment to validate the fix for certain,
> but this is going to take several hours.
> I believe that what's in trunk now should work fine for
> cross-compilation of programs that don't require yywrap, even if there
> is no target libfl, even for source tarballs that don't ship lex.yy.c,
> as long as the flex program is available in the build environment.  If
> that's not the scenario you're talking about, Ross, please clarify,
> but I don't see how a tarball that doesn't ship the generated scanner
> could ever have worked with no flex at all.

Build-testing current master now. Will report back later: I love Yocto
but it is annoying to work on something like autoconf as that causes a
toolchain rebuild...


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