Copied from Debian.

Description: Disable SSE2 code on i386
 This patch is not complete. A high-graded solution may use automatic switching
 between SSE2 and C++ implementations based on the results of runtime checks.
 The webrtc code already provides for one of them inside its GetCPUInfo function.
Bug-Debian: https://bugs.debian.org/892823
Author: Nicholas Guriev <guriev-ns@ya.ru>
Last-Update: Tue, 29 Jan 2019 23:26:38 +0300

--- a/libtgvoip.gyp
+++ b/libtgvoip.gyp
@@ -871,11 +871,7 @@
                 'WEBRTC_POSIX',
               ],
               'conditions': [
-                [ '"<!(uname -m)" == "i686"', {
-                  'cflags_cc': [
-                    '-msse2',
-                  ],
-                }], ['"<!(uname -s)" == "Linux"', {
+                [ '"<!(uname -s)" == "Linux"', {
                   'defines': [
                     'WEBRTC_LINUX',
                   ],
--- a/webrtc_dsp/rtc_base/system/arch.h
+++ b/webrtc_dsp/rtc_base/system/arch.h
@@ -28,7 +28,10 @@
 #define WEBRTC_ARCH_64_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
 #elif defined(_M_IX86) || defined(__i386__)
+#if defined(__SSE2__)
+// This macro is mostly used to detect SSE2 extension.
 #define WEBRTC_ARCH_X86_FAMILY
+#endif
 #define WEBRTC_ARCH_X86
 #define WEBRTC_ARCH_32_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
--- a/webrtc_dsp/typedefs.h
+++ b/webrtc_dsp/typedefs.h
@@ -28,7 +28,10 @@
 #define WEBRTC_ARCH_64_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
 #elif defined(_M_IX86) || defined(__i386__)
+#if defined(__SSE2__)
+// This macro is mostly used to detect SSE2 extension.
 #define WEBRTC_ARCH_X86_FAMILY
+#endif
 #define WEBRTC_ARCH_X86
 #define WEBRTC_ARCH_32_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
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<div class='path'>path: <a href='/guix/log/?id=9ab158a457be5267ca03f7dd3f511b7308ca0ab6'>root</a>/<a href='/guix/log/gnu?id=9ab158a457be5267ca03f7dd3f511b7308ca0ab6'>gnu</a>/<a href='/guix/log/gnu/services?id=9ab158a457be5267ca03f7dd3f511b7308ca0ab6'>services</a>/<a href='/guix/log/gnu/services/xorg.scm?id=9ab158a457be5267ca03f7dd3f511b7308ca0ab6'>xorg.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/services/xorg.scm?id=9ab158a457be5267ca03f7dd3f511b7308ca0ab6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-03-25 18:42:14 +0100'>2022-03-25</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=2e55a4c6b9153fd1db60122cb29cee466693a753'>services: xorg: Remove xf86-input-synaptics from %default-xorg-modules.</a><span class='msg-avail'>...</span></td><td>SeerLite</td></tr>
<tr><td><span title='2022-02-10 23:17:48 +0100'>2022-02-10</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=11b586db59537e59cca7c6c2a416c2ab7c7ac3a5'>services: gdm-service-type: Require elogind.</a><span class='msg-avail'>...</span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2022-01-08 15:51:37 -0800'>2022-01-08</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=dc2b90109bbc86dc0124813007d4aa935371cc9c'>services: set-xorg-configuration: Use target-x86-64?.</a><span class='msg-avail'>...</span></td><td>Chris Marusich</td></tr>
<tr><td><span title='2022-01-06 18:54:59 -0800'>2022-01-06</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=79260c8695cc5e3cd64f5b01e262369d5a67f141'>services: Consistently use SDDM rather than GDM on non-x86_64.</a><span class='msg-avail'>...</span></td><td>Chris Marusich</td></tr>
<tr><td><span title='2021-12-05 19:17:41 +0100'>2021-12-05</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=9bc0f45df5d6aed217020b1183dca54989844fb0'>Merge remote-tracking branch 'origin/master' into core-updates-frozen</a></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2021-11-30 01:08:55 +0100'>2021-11-30</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=892f1b7273d57b25940700877a02618fe826cc08'>services: Accept &lt;inferior-package&gt;s in lieu of &lt;package&gt;s.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-11-24 01:02:37 -0500'>2021-11-24</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=c3fd310d8f9ab0b5ae0b23bf6a6c67e5e25cc135'>gnu: gdm: Pass GDK_PIXBUF_MODULE_FILE to sessions.</a><span class='msg-avail'>...</span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2021-10-18 14:37:26 +0000'>2021-10-18</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=e486b2b674badc80627b11077b7df2ac1cab92d8'>Merge remote-tracking branch 'signed/master' into core-updates</a></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2021-10-15 18:12:45 +0200'>2021-10-15</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=44469ffd83f8dd48355954eee50002efbbe58503'>gnu: font-abattis-cantarell: Update variable name.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-10-02 17:24:00 +0000'>2021-10-02</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=db4681a4c17d282a661552f2f57e5c453d02e414'>services: gdm: Add Wayland support.</a><span class='msg-avail'>...</span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2021-10-02 17:17:44 +0000'>2021-10-02</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=5c3f0c3e03757b6653f4c2386a526a2d9d6532f7'>gnu: Add Wayland support for GDM.</a><span class='msg-avail'>...</span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2021-08-30 10:59:18 +0200'>2021-08-30</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=f91ae9425bb385b60396a544afe27933896b8fa3'>services: xorg: Delay the xorg-configuration-modules field evaluation.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2021-08-17 01:10:25 +0300'>2021-08-17</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=b948ab8b56ac238e7a774625b8f971d28aee6055'>services: slim: Add pam-gnupg support.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2021-07-29 11:32:48 -0400'>2021-07-29</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=a85ec0bf69df9ec3333a214feff54d4e58b15bec'>services: Migrate to &lt;setuid-program&gt;.</a><span class='msg-avail'>...</span></td><td>Brice Waegeneire</td></tr>
<tr><td><span title='2021-06-14 18:35:17 +0200'>2021-06-14</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=f70c3429ed0064eb4554722b4a60031385fd6785'>services: Remove deprecated service procedures.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-03-31 15:36:49 +0200'>2021-03-31</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=fe0826d5c9264184cc7c9e754d8a486d03865c05'>services: xorg: Export %default-xorg-server-arguments.</a><span class='msg-avail'>...</span></td><td>Valentin Herrmann</td></tr>
<tr><td><span title='2021-02-11 17:01:43 +0800'>2021-02-11</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=e429325d37e5752656a03882f60ee56d4f541fd1'>services: Add 'xorg-server-service-type'.</a><span class='msg-avail'>...</span></td><td>宋文武</td></tr>