From: Jim Meyering <jim@meyering.net>
To: Chong Yidong <cyd@stupidchicken.com>
Cc: Emacs development discussions <emacs-devel@gnu.org>
Subject: Re: build from source fails on fedora-12 (with gcc 4.4.2)
Date: Fri, 23 Oct 2009 17:21:29 +0200 [thread overview]
Message-ID: <87y6n2xhja.fsf@meyering.net> (raw)
In-Reply-To: <87ws2mrw6z.fsf@stupidchicken.com> (Chong Yidong's message of "Fri, 23 Oct 2009 11:01:24 -0400")
Chong Yidong wrote:
> Jim Meyering <jim@meyering.net> writes:
>
>> Here's the patch:
>>
>> FYI, at first I thought it was a bug in gcc and reported it,
>> but Jakub Jelinek explained that it is a feature, and
>> suggested the work-around of using -P.
>>
>> * configure.in: Use $CPP's -P option when creating Makefile and
>> src/Makefile. This is required with at least by gcc 4.4.2, which
>> is part of fedora 12. Otherwise, each backslash-newline pair in
>> the input would be mistakenly converted to a bare newline, yielding
>> invalid Makefiles.
>
> Is this backward compatible with older gcc/cpp's?
I verified that /usr/lib/cpp on Solaris 10 and FreeBSD 6.1 both support -P.
I think it's been in every cpp since the beginning.
next prev parent reply other threads:[~2009-10-23 15:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-23 6:51 build from source fails on fedora-12 (with gcc 4.4.2) Jim Meyering
2009-10-23 15:01 ` Chong Yidong
2009-10-23 15:21 ` Jim Meyering [this message]
2009-10-23 16:19 ` Chong Yidong
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