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Re: [Help-glpk] Patch to configure a reentrant version of GLPK

From: Heinrich Schuchardt
Subject: Re: [Help-glpk] Patch to configure a reentrant version of GLPK
Date: Sat, 31 Dec 2016 02:47:04 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.4.0

I would have preferred to use AX_TLS directly. But you correctly
identified that the macro does not check for _Thread_local defined in
ISO/IEC 9899:2011.

So I have now sent a patch to the upstream maintainers:

Best regards

Heinrich Schuchardt

On 12/29/2016 03:25 PM, Chris Matrakidis wrote:
> Andrew,
> The attached patch adds the --enable-reentrant option to configure
> (disabled by default) as suggested by David Monniaux a few days ago
> [1]. When selected, the appropriate thread local storage class
> specifier is identified, added to config.h and used in tls.c. The
> patch is based on the work of Dmitry Nadezhin [2] and the ax_tls macro
> form the autoconf archive [3] simplified to match the
> style, The code remains C89 if the option is not selected.
> I have tested this extensively but only on Linux with gcc, so
> additional testing and feedback is welcome.
> Best Regards,
> Chris Matrakidis
> [1]
> [2]
> [3]

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