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bug#23261: 25.0.92; Undefined behavior in lib/stdint.h

From: Paul Eggert
Subject: bug#23261: 25.0.92; Undefined behavior in lib/stdint.h
Date: Mon, 11 Apr 2016 09:17:23 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1

On 04/11/2016 12:23 AM, Paul Eggert wrote:

I don't observe a problem with my clang installation (clang 3.7.0 on Fedora 23 x86-64).

I managed to reproduce the problem in Gnulib by artificially pretending to 'configure' that clang's stdint.h was busted, using './configure gl_cv_header_working_stdint_h=no'. I installed a fix for the problem into Gnulib here:


I ran 'admin/merge-gnulib' to propagate the fix into emacs-25, and then merged emacs-25 into master using the procedure described in 'admin/notes/git-workflow'.

Please give this a try on your setup. Do a 'make clean' before running 'make'. If 'make' is still building lib/stdint.h, please investigate why './configure' decides that clang's stdint.h is buggy.

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