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=d3ff6e5d1b38aa47b276be1fb7963c93faa40806'>root</a>/<a href='/guix/log/gnu?id=d3ff6e5d1b38aa47b276be1fb7963c93faa40806'>gnu</a>/<a href='/guix/log/gnu/tests?id=d3ff6e5d1b38aa47b276be1fb7963c93faa40806'>tests</a>/<a href='/guix/log/gnu/tests/mail.scm?id=d3ff6e5d1b38aa47b276be1fb7963c93faa40806'>mail.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/tests/mail.scm?id=d3ff6e5d1b38aa47b276be1fb7963c93faa40806&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-11-05 16:13:50 +0100'>2020-11-05</span></td><td><a href='/guix/commit/gnu/tests/mail.scm?id=a4e7749e91c5ed9b96117e3bcda8802e8744841e'>services: Remove imports of (ice-9 …) modules.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-03-16 14:05:52 +0100'>2020-03-16</span></td><td><a href='/guix/commit/gnu/tests/mail.scm?id=a37e03d60e18dfcf119d0b92d9008e54fc350bf1'>tests: opensmtpd: Check /var/spool/mail instead of /var/mail.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-03-16 14:05:52 +0100'>2020-03-16</span></td><td><a href='/guix/commit/gnu/tests/mail.scm?id=c215d9ec1ce108844b14c0c2952199a0da5f4176'>tests: opensmtpd: Gracefully handle test failure.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-03-09 23:46:36 +0100'>2020-03-09</span></td><td><a href='/guix/commit/gnu/tests/mail.scm?id=827abd5deb87c1ec15112d7cde1a03a4ba4b4983'>tests: getmail: Provide a pre-initialized user account password.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-01-31 00:42:48 +0100'>2020-01-31</span></td><td><a href='/guix/commit/gnu/tests/mail.scm?id=c3f146e79aca0efec5c0cbbf4e39c79e09268c15'>gnu: Update opensmtpd configuration grammar.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-01-20 19:13:17 +0000'>2020-01-20</span></td><td><a href='/guix/commit/gnu/tests/mail.scm?id=b3e28b5ef5e23e564eeac8823ad2c837f7c40650'>tests: mail: Remove %getmail-os from the bottom of the file.</a><span class='msg-avail'>...</span></td><td>Christopher Baines</td></tr>
<tr><td><span title='2019-06-19 11:49:33 +0200'>2019-06-19</span></td><td><a href='/guix/commit/gnu/tests/mail.scm?id=bf5929c5303511da338da894ce072c138fe8324f'>tests: Fix opensmtpd test.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-05-31 20:22:20 +0100'>2019-05-31</span></td><td><a href='/guix/commit/gnu/tests/mail.scm?id=f6b0e1f8ff6a6459d7d39238ced165f4caa988fe'>services: Add getmail.</a><span class='msg-avail'>...</span></td><td>Christopher Baines</td></tr>