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=807353fe143a6fdb6d6fc96885f6467bc81c24c3'>root</a>/<a href='/guix/log/gnu?id=807353fe143a6fdb6d6fc96885f6467bc81c24c3'>gnu</a>/<a href='/guix/log/gnu/packages?id=807353fe143a6fdb6d6fc96885f6467bc81c24c3'>packages</a>/<a href='/guix/log/gnu/packages/plotutils.scm?id=807353fe143a6fdb6d6fc96885f6467bc81c24c3'>plotutils.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/packages/plotutils.scm?id=807353fe143a6fdb6d6fc96885f6467bc81c24c3&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-08-06 16:48:40 +0200'>2020-08-06</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=64a0edf3054c56fa1c39bc626130338289d3327b'>gnu: asymptote: Update to 2.67.</a><span class='msg-avail'>...</span></td><td>Nicolas Goaziou</td></tr>
<tr><td><span title='2020-07-27 00:02:10 -0400'>2020-07-27</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=2bd84c50ff7a8dafe83b6aa89cd0f01d5282c621'>gnu: plotutils: Fix build on non-x86_64 architectures.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-07-08 18:05:23 +0200'>2020-07-08</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=7af0b6544c5fb1c44805d8921ecf22e29fa6127b'>gnu: asymptote: Update to 2.66.</a><span class='msg-avail'>...</span></td><td>Nicolas Goaziou</td></tr>
<tr><td><span title='2020-05-31 22:12:12 -0400'>2020-05-31</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=f977fe92c4456c3a051832a96c5338e646771c05'>gnu: plotutils: Build libplotter.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-05-09 00:42:19 +0200'>2020-05-09</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=36cf1ee7c644056be326655a17a20bfb2724b048'>gnu: asymptote: Fix build.</a><span class='msg-avail'>...</span></td><td>Nicolas Goaziou</td></tr>
<tr><td><span title='2020-03-30 12:17:33 +0200'>2020-03-30</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=ae0badf5bb791428423a98d4e4e2b8d297a5d4be'>Merge branch 'master' into core-updates</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-03-27 12:20:35 +0100'>2020-03-27</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=1a7247c629ef788a9a5b26999246efd2ff4c48da'>gnu: asymptote: Update to 2.65.</a><span class='msg-avail'>...</span></td><td>Nicolas Goaziou</td></tr>
<tr><td><span title='2020-03-16 15:44:02 +0100'>2020-03-16</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=b6bee63bed4f013064c0d902e7c8b83ed7514ade'>gnu: Default to Guile 3.0.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-03-10 22:01:00 +0100'>2020-03-10</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=c3945380d9953dd99dc444c90fdba47988ebe9a0'>gnu: asymptote: Update to 2.64.</a><span class='msg-avail'>...</span></td><td>Nicolas Goaziou</td></tr>
<tr><td><span title='2020-03-09 16:01:18 +0100'>2020-03-09</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=b3851745f14a3b37462185733f15e106ffcfb5b3'>gnu: plotutils: Use HTTPS home page.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-01-27 23:03:07 +0100'>2020-01-27</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=2d3a622d04de7b7f58192dc868b846ec416f95bf'>gnu: guile-charting: Add "guile3.0-charting" variant.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-01-16 22:39:23 +0100'>2020-01-16</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=584e46b1e03c18755ee4527164d751ddb20d8d18'>gnu: asymptote: Add missing input.</a><span class='msg-avail'>...</span></td><td>Nicolas Goaziou</td></tr>
<tr><td><span title='2020-01-16 17:09:48 +0100'>2020-01-16</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=1b4c5af29c364969dbeb33681d641640283fbced'>gnu: asymptote: Fix GUI.</a><span class='msg-avail'>...</span></td><td>Nicolas Goaziou</td></tr>
<tr><td><span title='2020-01-15 22:10:31 +0100'>2020-01-15</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=49181f84af46fa5ca6146bdf61aab5fabf652641'>gnu: asymptote: Update to 2.62.</a><span class='msg-avail'>...</span></td><td>Nicolas Goaziou</td></tr>
<tr><td><span title='2019-12-01 21:17:37 +0100'>2019-12-01</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=d7d23c86f8a3aece840695150794dfe03bfd1caf'>gnu: asymptote: Update to 2.61.</a><span class='msg-avail'>...</span></td><td>Nicolas Goaziou</td></tr>
<tr><td><span title='2019-11-01 11:22:05 +0100'>2019-11-01</span></td><td><a href='/guix/commit/gnu/packages/plotutils.scm?id=530b3a19520ea4ffa46876ad82f742576adbf71d'>gnu: asymptote: Update to 2.59.</a><span class='msg-avail'>...</span></td><td>Nicolas Goaziou</td></tr>