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=264ca9452fae827d6621b28b8972f4b1d68401a1'>root</a>/<a href='/guix/log/gnu?id=264ca9452fae827d6621b28b8972f4b1d68401a1'>gnu</a>/<a href='/guix/log/gnu/tests?id=264ca9452fae827d6621b28b8972f4b1d68401a1'>tests</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/tests?id=264ca9452fae827d6621b28b8972f4b1d68401a1&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-06-05 23:35:30 +0200'>2022-06-05</span></td><td><a href='/guix/commit/gnu/tests?id=f697dd94c4e9fe501e686146ee4c250173392565'>tests: childhurd: Make sure "guix build -d" works.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-06-05 23:35:30 +0200'>2022-06-05</span></td><td><a href='/guix/commit/gnu/tests?id=1fc4d821eb3b34e06b217e94f400e13d8030e7b9'>tests: childhurd: Generalize command execution over SSH.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-22 21:56:40 +0200'>2022-05-22</span></td><td><a href='/guix/commit/gnu/tests?id=d2b3400f79ffaed3357650307376ab69a7ec3b1b'>services: openssh: Listen on both IPv4 and IPv6.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-01 21:30:35 +0200'>2022-05-01</span></td><td><a href='/guix/commit/gnu/tests?id=211fe3f66e6dfdaa64974931c458ab1d92afc182'>services: bitlbee: Use 'make-inetd-constructor'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-01 12:53:53 +0200'>2022-05-01</span></td><td><a href='/guix/commit/gnu/tests?id=7b9ee58925406f5d608fca06db5479e16970dc91'>tests: Fix tailon test.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2022-04-29 18:07:17 +0200'>2022-04-29</span></td><td><a href='/guix/commit/gnu/tests?id=73eeeeafbb0765f76834b53c9fe6cf3c8f740840'>tests: Avoid starting services to check whether they're running.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-04-08 18:14:35 +0200'>2022-04-08</span></td><td><a href='/guix/commit/gnu/tests?id=f239b9d7881b7cf69fcf9b1f07fe24870d6fcd42'>tests: Add "encrypted-home-os" installation test.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-04-07 00:08:56 +0200'>2022-04-07</span></td><td><a href='/guix/commit/gnu/tests?id=808b9e850491c7b1d867a5f1f4d5ee6f61f345d4'>services: openssh: Start as an inetd service.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-03-19 11:08:30 -0400'>2022-03-19</span></td><td><a href='/guix/commit/gnu/tests?id=b45a301618c32c294dbf6b1172ce5a99d460655a'>tests: install: Add two new Btrfs RAID10 install test.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-03-19 11:08:30 -0400'>2022-03-19</span></td><td><a href='/guix/commit/gnu/tests?id=252330edd49c361c96bc2bc9c3e68a71110f63ca'>tests: install: Enable the use of multiple disk devices for tests.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-03-19 11:08:30 -0400'>2022-03-19</span></td><td><a href='/guix/commit/gnu/tests?id=52d710b917181d2ddffd75337c43326a67125c62'>tests: install: Streamline 'qemu-command/writable-image'.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-03-19 11:08:30 -0400'>2022-03-19</span></td><td><a href='/guix/commit/gnu/tests?id=947b8f99d445b0e388c9a90ffd17c8ce0f8bcfd1'>tests: install: Adjust the timeouts on two failing tests.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-02-21 13:38:47 +0100'>2022-02-21</span></td><td><a href='/guix/commit/gnu/tests?id=7d72da6b07e99854751187d2694b067733fedda5'>tests: nix: Remove tab characters.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2022-02-21 13:38:46 +0100'>2022-02-21</span></td><td><a href='/guix/commit/gnu/tests?id=e9bed5e9e7e4f9e6d92794fd159164cc0936a911'>tests: nix: Fix it.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>