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[216.165.246.244]) by smtp.gmail.com with ESMTPSA id i15sm5244927pfj.0.2017.02.18.09.37.55 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 18 Feb 2017 09:37:56 -0800 (PST) From: Matt Wette Content-Type: multipart/alternative; boundary="Apple-Mail=_A118C0A3-D324-47B9-9844-79DF6C0C3EB2" Mime-Version: 1.0 (Mac OS X Mail 10.2 \(3259\)) Subject: scm_c_make_polar broken on APPLE Message-Id: Date: Sat, 18 Feb 2017 09:37:54 -0800 To: bug-guile@gnu.org X-Mailer: Apple Mail (2.3259) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -1.7 (-) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.0 (----) --Apple-Mail=_A118C0A3-D324-47B9-9844-79DF6C0C3EB2 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 numbers.c:scm_c_make_polar in guile-2.1.7 breaks on APPLE (macOS 10.12). Reason: APPLE does not have sincos(), and gcc will optimize sin/cos to = use cexp(), and cexp() does not preserve sign of zero. Patch includes (and attached) for guile-2.1.7. This uses macOS = __sincos(). Example: In scm_c_make_polar, =E2=80=9Cgcc -O2=E2=80=9D turns sin(), cos() into = cexp(), since cexp(i*x) =3D cos(x) + i*sin(x): gcc -O0 =3D> LM4339: movq -32(%rbp), %rax movd %rax, %xmm0 call _sin movd %xmm0, %rax movq %rax, -8(%rbp) LM4340: movq -32(%rbp), %rax movd %rax, %xmm0 call _cos movd %xmm0, %rax movq %rax, -16(%rbp) gcc -O2 =3D> pxor %xmm0, %xmm0 LVL2703: call _cexp I wrote a little C program to show that cexp() does not preserve the = zero-signed-ness: cos,sin: +1.000000 -0.000000 __sincos: +1.000000 -0.000000 cexp: +1.000000 +0.000000 The scm_c_make_polar will use sincos() if available, but macOS does not = have sincos(), it has __sincos(). #include #include #include #include extern double z, p, n; int main() { double complex c; double d, sine, cosine; d =3D z*n; printf(" cos,sin: %+f %+f\n", cos(d), sin(d)); __sincos(d, &sine, &cosine); printf("__sincos: %+f %+f\n", cosine, sine); c =3D cexp(CMPLX(0.0, d)); printf(" cexp: %+f %+f\n", creal(c), cimag(c)); } double z =3D 0.0, p =3D +1.0, n =3D -1.0; --- configure.ac.orig 2017-02-18 08:35:06.000000000 -0800 +++ configure.ac 2017-02-18 08:35:26.000000000 -0800 @@ -1152,8 +1152,9 @@ # asinh, acosh, atanh, trunc - C99 standard, generally not available = on # older systems # sincos - GLIBC extension +# __sincos - APPLE extension # -AC_CHECK_FUNCS(asinh acosh atanh copysign finite sincos trunc) +AC_CHECK_FUNCS(asinh acosh atanh copysign finite sincos __sincos trunc) =20 # C99 specifies isinf and isnan as macros. # HP-UX provides only macros, no functions. --- libguile/numbers.c.patch.labs 2017-02-18 08:31:21.000000000 = -0800 +++ libguile/numbers.c 2017-02-18 08:34:18.000000000 -0800 @@ -9109,6 +9109,8 @@ details. */ #if (defined HAVE_SINCOS) && (defined __GLIBC__) && (defined = _GNU_SOURCE) sincos (ang, &s, &c); +#elif (defined HAVE___SINCOS) + __sincos (ang, &s, &c); #else s =3D sin (ang); c =3D cos (ang); --Apple-Mail=_A118C0A3-D324-47B9-9844-79DF6C0C3EB2 Content-Type: multipart/mixed; boundary="Apple-Mail=_1F9A3EBB-9475-4C82-B9EF-39C4681D7900" --Apple-Mail=_1F9A3EBB-9475-4C82-B9EF-39C4681D7900 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 numbers.c:scm_c_make_polar in guile-2.1.7 breaks on APPLE = (macOS 10.12).

Reason:= APPLE does not have sincos(), and gcc will optimize sin/cos to use = cexp(), and cexp() does not preserve sign of zero.

Patch includes (and = attached) for guile-2.1.7.  This uses macOS __sincos().

Example:
In scm_c_make_polar, =E2=80=9Cgcc -O2=E2=80=9D =  turns sin(), cos() into cexp(), since cexp(i*x) =3D cos(x) + = i*sin(x):

gcc -O0 = =3D>
LM4339:
= movq = -32(%rbp), %rax
= movd = %rax, %xmm0
= call = _sin
= movd = %xmm0, %rax
= movq = %rax, -8(%rbp)
LM4340:
= movq = -32(%rbp), %rax
= movd = %rax, %xmm0
= call = _cos
= movd = %xmm0, %rax
= movq = %rax, -16(%rbp)

gcc -O2 =3D>
pxor %xmm0, %xmm0
LVL2703:
call _cexp

I wrote a little C = program to show that cexp() does not preserve the = zero-signed-ness:

 cos,sin: +1.000000 = -0.000000
__sincos: = +1.000000 -0.000000
    = cexp: +1.000000 +0.000000

The scm_c_make_polar will use = sincos() if available, but macOS does not have sincos(), it has = __sincos().

#include <stdio.h>
#include <stdint.h>
#include <math.h>
#include = <complex.h>

extern double z, p, n;

int main() = {
  double complex c;
  = double d, sine, cosine;

  d =3D z*n;
  printf(" = cos,sin: %+f %+f\n", cos(d), sin(d));
  = __sincos(d, &sine, &cosine);
  = printf("__sincos: %+f %+f\n", cosine, sine);
  c =3D = cexp(CMPLX(0.0, d));
  = printf("    cexp: %+f %+f\n", creal(c), = cimag(c));
}

double z =3D 0.0, p =3D +1.0, n =3D = -1.0;


--- configure.ac.orig = 2017-02-18 08:35:06.000000000 -0800
+++ configure.ac 2017-02-18 08:35:26.000000000 = -0800
@@ -1152,8 +1152,9 = @@
 #   = asinh, acosh, atanh, trunc - C99 standard, generally not available = on
 #   =                     =          older systems
 #   sincos - GLIBC = extension
+#   __sincos - = APPLE extension
 #
-AC_CHECK_FUNCS(asinh acosh atanh copysign finite sincos = trunc)
+AC_CHECK_FUNCS(asinh = acosh atanh copysign finite sincos __sincos trunc)
 
 # C99 specifies isinf and isnan as = macros.
 # HP-UX = provides only macros, no functions.
--- libguile/numbers.c.patch.labs = 2017-02-18 08:31:21.000000000 -0800
+++ libguile/numbers.c 2017-02-18 08:34:18.000000000 = -0800
@@ -9109,6 +9109,8 = @@
      = details.  */
 #if= (defined HAVE_SINCOS) && (defined __GLIBC__) && = (defined _GNU_SOURCE)
  =  sincos (ang, &s, &c);
+#elif (defined HAVE___SINCOS)
+  __sincos (ang, &s, = &c);
 #else
  =  s =3D sin (ang);
  =  c =3D cos (ang);
= --Apple-Mail=_1F9A3EBB-9475-4C82-B9EF-39C4681D7900 Content-Disposition: attachment; filename=sincos.patch Content-Type: application/octet-stream; x-unix-mode=0644; name="sincos.patch" Content-Transfer-Encoding: 7bit --- configure.ac.orig 2017-02-18 08:35:06.000000000 -0800 +++ configure.ac 2017-02-18 08:35:26.000000000 -0800 @@ -1152,8 +1152,9 @@ # asinh, acosh, atanh, trunc - C99 standard, generally not available on # older systems # sincos - GLIBC extension +# __sincos - APPLE extension # -AC_CHECK_FUNCS(asinh acosh atanh copysign finite sincos trunc) +AC_CHECK_FUNCS(asinh acosh atanh copysign finite sincos __sincos trunc) # C99 specifies isinf and isnan as macros. # HP-UX provides only macros, no functions. --- libguile/numbers.c.patch.labs 2017-02-18 08:31:21.000000000 -0800 +++ libguile/numbers.c 2017-02-18 08:34:18.000000000 -0800 @@ -9109,6 +9109,8 @@ details. */ #if (defined HAVE_SINCOS) && (defined __GLIBC__) && (defined _GNU_SOURCE) sincos (ang, &s, &c); +#elif (defined HAVE___SINCOS) + __sincos (ang, &s, &c); #else s = sin (ang); c = cos (ang); --Apple-Mail=_1F9A3EBB-9475-4C82-B9EF-39C4681D7900 Content-Transfer-Encoding: 7bit Content-Type: text/html; charset=us-ascii

--Apple-Mail=_1F9A3EBB-9475-4C82-B9EF-39C4681D7900-- --Apple-Mail=_A118C0A3-D324-47B9-9844-79DF6C0C3EB2-- From debbugs-submit-bounces@debbugs.gnu.org Sat Feb 18 16:30:45 2017 Received: (at 25785) by debbugs.gnu.org; 18 Feb 2017 21:30:45 +0000 Received: from localhost ([127.0.0.1]:45427 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cfCaa-00069k-Tz for submit@debbugs.gnu.org; Sat, 18 Feb 2017 16:30:45 -0500 Received: from mail-pf0-f171.google.com ([209.85.192.171]:34707) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cfCaZ-00069X-Bn for 25785@debbugs.gnu.org; Sat, 18 Feb 2017 16:30:43 -0500 Received: by mail-pf0-f171.google.com with SMTP id e4so21102750pfg.1 for <25785@debbugs.gnu.org>; Sat, 18 Feb 2017 13:30:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:mime-version:subject:message-id:date:to; bh=f4rlQOOHp6xniWZBfES/f9TvE7YsprXmUoyWT6rS+n8=; b=haXVzeqI/mzbIs+O2srSN3EW5qE+1/ylf4d0sSVzN4Ukrt4P1afYy052WcJyRk5DTP bMKFIWDKhWgnBEnna9A8gBShMYfNaiUNsZGaHZdfXqMNJw/dfjlhP0ugBXLuEW+U0fV5 kXiUsDl80GTNyjGJIqVly/bkUkXWFgv6ozU66e0uXpoCknWjjw7rU2G9PC+Oz0oMXGRT 3/mIfhKbqmkB8mJWtvE+6tinFLF9ZWnR+4N4EWN9QXMY4iLfmZelOFiCl11Phtvm9MG8 fj6KqZUWgDmI+r3ukjKFfJvPu+XuZakTu6W4fr0nXZvY5En3Mh9AfFOTUsE+TX/MqamC 9iNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:mime-version:subject:message-id:date:to; bh=f4rlQOOHp6xniWZBfES/f9TvE7YsprXmUoyWT6rS+n8=; b=qG6Yw7dA/wcsWA32fML2OC6VknhU9loBP1qI18Hz0sQVHErmp4GvAQce3AuCuiXE0Y w5W6dkx6NP4FTqcEWyTC0DZRZivVKomwwLq102Dmh+zCLa1dN3j0eit1aQOipezxQLP6 X8jmYUrlbWl+Yz/jO/d5zrAu/7xkNzBDp9kZJCkad7FvXjrNwPvhuEaw/eGcpVRrrnYG 0uH5SZxx/v0d+/YzXAc/2kEp2gfc0UcHahS8Id1MV8KB2/8kWL8NtMSQamHDX0Xj2E4R P2M/jBWf9mFEcpFQdn2mmd/4M+wanbm2HCCc51jsoJ68EPVBasWTWZTF6mQxik3XXq8u F2aw== X-Gm-Message-State: AMke39n3ExPEVosZcNoz2o6gvf86m7h/bgCxsMWNrgkN7CgRIEX8/K2qLsIZWzJ/I2/Deg== X-Received: by 10.99.115.30 with SMTP id o30mr247881pgc.27.1487453437300; Sat, 18 Feb 2017 13:30:37 -0800 (PST) Received: from nautilus.championbroadband.com (216-165-246-244.championbroadband.com. [216.165.246.244]) by smtp.gmail.com with ESMTPSA id q7sm26761835pfb.98.2017.02.18.13.30.35 for <25785@debbugs.gnu.org> (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 18 Feb 2017 13:30:35 -0800 (PST) From: Matt Wette Content-Type: multipart/alternative; boundary="Apple-Mail=_CCD7D7D4-998E-488C-9C64-614BD30C5AFD" Mime-Version: 1.0 (Mac OS X Mail 10.2 \(3259\)) Subject: scm_c_make_polar broken Message-Id: Date: Sat, 18 Feb 2017 13:30:33 -0800 To: 25785@debbugs.gnu.org X-Mailer: Apple Mail (2.3259) X-Spam-Score: -2.8 (--) X-Debbugs-Envelope-To: 25785 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.8 (--) --Apple-Mail=_CCD7D7D4-998E-488C-9C64-614BD30C5AFD Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii So, I may have missed the update for config.h.in. I am not sure this = gets autogenerated or not. --- config.h.in.orig 2017-02-18 13:27:19.000000000 -0800 +++ config.h.in 2017-02-18 13:27:45.000000000 -0800 @@ -2183,6 +2183,9 @@ /* Define to 1 if you have the `sincos' function. */ #undef HAVE_SINCOS =20 +/* Define to 1 if you have the `__sincos' function. */ +#undef HAVE___SINCOS + /* Define to 1 if you have the `snprintf' function. */ #undef HAVE_SNPRINTF =20 --Apple-Mail=_CCD7D7D4-998E-488C-9C64-614BD30C5AFD Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii So, I may have missed the update for config.h.in.   I am = not sure this gets autogenerated or not.

--- config.h.in.orig = 2017-02-18 13:27:19.000000000 -0800
+++ = config.h.in = 2017-02-18 13:27:45.000000000 -0800
@@ = -2183,6 +2183,9 @@
 /* Define to 1 if you have the = `sincos' function. */
 #undef HAVE_SINCOS

 

+/* = Define to 1 if you have the `__sincos' function. */
+#undef = HAVE___SINCOS
+
 /* = Define to 1 if you have the `snprintf' function. */
 #undef HAVE_SNPRINTF

 


= --Apple-Mail=_CCD7D7D4-998E-488C-9C64-614BD30C5AFD-- From debbugs-submit-bounces@debbugs.gnu.org Tue Feb 21 16:10:21 2017 Received: (at 25785) by debbugs.gnu.org; 21 Feb 2017 21:10:21 +0000 Received: from localhost ([127.0.0.1]:49295 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cgHhV-0006fv-Fz for submit@debbugs.gnu.org; Tue, 21 Feb 2017 16:10:21 -0500 Received: from pb-sasl2.pobox.com ([64.147.108.67]:63817 helo=sasl.smtp.pobox.com) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cgHhU-0006fo-8u for 25785@debbugs.gnu.org; Tue, 21 Feb 2017 16:10:20 -0500 Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by pb-sasl2.pobox.com (Postfix) with ESMTP id BF7CA60F84; Tue, 21 Feb 2017 16:10:18 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=ZquYeSErt3+gpdZaS5evKoITwhA=; b=ppwZjF c1YbfEFfaZnZDDkCGyBv5FmtO0u1hR18O6eAcE9SCKo2Rv+kH3JzEVtsOF2GvWGK JFBMzy8qjInzMA9gAYaAxhuAvxeJt6hTRBBEqn2TkShBrL1gif7Nm9w775FEgNuC Pra9iH66XFj5+ovM/4rkX5Xe9ydYsGc0WKqZY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=IzSxqjijjsO+Q9HYPDEBTRoTO0wjkMc4 rvDltSK+arhFskDDt/NzyNd4gEAiCi5WsXvJrl4o3EblC9BNwhSrMK5UeX2kcw+x JMlZELP1FdYne1uerHvOTM/n6kTKZYNruJKwuxnES81SXWZhsXkZJ2GpPz0EBa7m qMjrRaJ2xig= Received: from pb-sasl2.nyi.icgroup.com (unknown [127.0.0.1]) by pb-sasl2.pobox.com (Postfix) with ESMTP id B811560F83; Tue, 21 Feb 2017 16:10:18 -0500 (EST) Received: from clucks (unknown [88.160.190.192]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pb-sasl2.pobox.com (Postfix) with ESMTPSA id 9B24660F82; Tue, 21 Feb 2017 16:10:17 -0500 (EST) From: Andy Wingo To: Matt Wette Subject: Re: bug#25785: scm_c_make_polar broken on APPLE References: Date: Tue, 21 Feb 2017 22:10:09 +0100 In-Reply-To: (Matt Wette's message of "Sat, 18 Feb 2017 09:37:54 -0800") Message-ID: <871surz1vy.fsf@pobox.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Pobox-Relay-ID: 2588B596-F87A-11E6-AD79-6141F2301B6D-02397024!pb-sasl2.pobox.com X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 25785 Cc: 25785@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 0.0 (/) On Sat 18 Feb 2017 18:37, Matt Wette writes: > Patch includes (and attached) for guile-2.1.7. This uses macOS __sincos(). Thank you for this patch! Applied. The config.h.in is indeed autogenerated (by autoheader, I think). Andy From debbugs-submit-bounces@debbugs.gnu.org Tue Feb 21 16:10:52 2017 Received: (at 25785-done) by debbugs.gnu.org; 21 Feb 2017 21:10:52 +0000 Received: from localhost ([127.0.0.1]:49299 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cgHhz-0006ge-P5 for submit@debbugs.gnu.org; Tue, 21 Feb 2017 16:10:51 -0500 Received: from pb-sasl2.pobox.com ([64.147.108.67]:50537 helo=sasl.smtp.pobox.com) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cgHhx-0006gV-KQ for 25785-done@debbugs.gnu.org; Tue, 21 Feb 2017 16:10:49 -0500 Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by pb-sasl2.pobox.com (Postfix) with ESMTP id AB7EB60F88 for <25785-done@debbugs.gnu.org>; Tue, 21 Feb 2017 16:10:49 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=+eWgJyyk3PEXsDGMvgMtgcUUCAk=; b=p8Wrfj qFU0FtWV8ji03vU315XP0XRPRuvSuNLfmvRnMYISr/ozdqNWv1WbRk17hgmls+2J K8kr5eNqvp7FCK0LzqPY7pp56q9R9+RbIiLU/hDPi06NIJJepFKFtgvZ4/Phwf/A YGZ7cBKjDJogjAWgmeP8TN7dEfqRmrAsY2IP0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:subject :references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=I5Rx6AapmsmnNpVJVPDmtlo3MEtv1SgT Ej/C8TyjvOxEMH6b3MeI3OwA2eKYAxtr0l2z8CnSpMQ8UYGx33/DdyYgppkGqzFM IbRWQdhFLWFzjb48LRykJRpzddhJhstN5JDujywt2OVvwI+tOyyyabvc687eOb80 aVHjcLHV7P0= Received: from pb-sasl2.nyi.icgroup.com (unknown [127.0.0.1]) by pb-sasl2.pobox.com (Postfix) with ESMTP id A079060F87 for <25785-done@debbugs.gnu.org>; Tue, 21 Feb 2017 16:10:49 -0500 (EST) Received: from clucks (unknown [88.160.190.192]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pb-sasl2.pobox.com (Postfix) with ESMTPSA id 7BAF060F85 for <25785-done@debbugs.gnu.org>; Tue, 21 Feb 2017 16:10:48 -0500 (EST) From: Andy Wingo To: 25785-done@debbugs.gnu.org Subject: Re: bug#25785: scm_c_make_polar broken on APPLE References: Date: Tue, 21 Feb 2017 22:10:40 +0100 In-Reply-To: (Matt Wette's message of "Sat, 18 Feb 2017 09:37:54 -0800") Message-ID: <87tw7nxnan.fsf@pobox.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Pobox-Relay-ID: 37EE6C4E-F87A-11E6-AD85-6141F2301B6D-02397024!pb-sasl2.pobox.com X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 25785-done X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 0.0 (/) Thanks! From unknown Wed Jun 18 00:25:24 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Wed, 22 Mar 2017 11:24:05 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator