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=b8fd792ea267cb920da0651074a533d8abf00488'>root</a>/<a href='/guix/log/etc?id=b8fd792ea267cb920da0651074a533d8abf00488'>etc</a>/<a href='/guix/log/etc/init.d?id=b8fd792ea267cb920da0651074a533d8abf00488'>init.d</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/etc/init.d?id=b8fd792ea267cb920da0651074a533d8abf00488&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-06-26 22:59:55 +0200'>2024-06-26</span></td><td><a href='/guix/commit/etc/init.d?id=d11b96eb5493231a5a35045505ff8ae8aa746b8e'>etc: Add explicit ‘--substitute-urls’ in guix-daemon service files.</a><span class='msg-avail'>...<span class='msg-tooltip'>Having substitute URLs explicitly listed in the service startup file
makes it clearer what should be modified to permanently change the list
of substitute URLs.

* config-daemon.ac: Rename ‘guix_substitute_urls’ to
‘GUIX_SUBSTITUTE_URLS’ and substitute it.
* nix/local.mk (etc/guix-%.service, etc/init.d/guix-daemon)
(etc/guix-%.conf): Substitute it.
* etc/guix-daemon.conf.in, etc/guix-daemon.service.in,
etc/init.d/guix-daemon.in: Add an explicit ‘--substitute-urls’ option.

Change-Id: Ie491b7fab5c42e54dca582801c03805a85de2bf9
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-07-07 23:54:20 -0400'>2021-07-07</span></td><td><a href='/guix/commit/etc/init.d?id=4cbe0127a668cbcc64087c5d311308b59d39b104'>guix-install.sh: Prompt for configuring substitutes discovery.</a><span class='msg-avail'>...<span class='msg-tooltip'>Also ensure prompt_yes_no always print the message with a trailing space,
which is more pleasing to the eye.

* etc/guix-daemon.conf.in &lt;--discover=no&gt;: New guix-daemon option.
* etc/guix-daemon.service.in: Likewise.
* etc/init.d/guix-daemon.in: Likewise.
* etc/openrc/guix-daemon.in: Likewise.
* etc/guix-install.sh (configure_substitute_discovery): New procedure.
(sys_enable_guix_daemon): Ask the user whether automatic substitute discovery
should be enabled.  Set the '--discover' argument accordingly.
(prompt_yes_no): Add a trailing space to the message.
(sys_authorize_build_farms): Remove trailing space from the message argument.
* NEWS (Distribution): Add news.
</span></span></td><td>Maxim Cournoyer</td></tr>