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bug#5047: 23.1; emacs is failing to build on Fedora 12 64 bit


From: Jan Djärv
Subject: bug#5047: 23.1; emacs is failing to build on Fedora 12 64 bit
Date: Mon, 30 Nov 2009 11:59:25 +0100
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; sv-SE; rv:1.9.1.4pre) Gecko/20090915 Thunderbird/3.0b4

Ah, I tested with Emacs from CVS head.  This has been fixed there:

2009-10-23  Jim Meyering  <address@hidden>

        * configure.in: Invoke $CPP with -P when creating Makefile and
        src/Makefile.  Without this, gcc 4.4.2 converts each
        backslash-newline pair in the input to a bare newline, yielding
        invalid Makefiles.

Running
% CPPFLAGS=-P ./configure ...

works. This is what you have to do until 23.2 comes out.

        Jan D.

Praveen A skrev 2009-11-30 10.19:
2009/11/29 Jan Djärv<address@hidden>:
I've tried this on Fedora 12 and I do not get the error.
Please show us the exact commands you do, and the output from
gcc --version.

Also check if you have any environment variable that may have impact on
configure, such as CFLAGS, CPPFLAGS, GCC.  To make sure environment isn't
the cause, try something like:

% env -i HOME="$HOME" PATH="$PATH" SHELL="$SHELL" TERM="$TERM" ./configure
...

I haven't tried that, so you may have to add some variables if configure
complains.

Thanks,

        Jan D.


See https://bugzilla.redhat.com/show_bug.cgi?id=540921#c4

It is an issue with cpp 4.4.2, it does not happen with older version of cpp.

- Praveen






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