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=4387bc9c817e5cfaa598f2b446d561937bbca422'>root</a>/<a href='/guix/log/etc?id=4387bc9c817e5cfaa598f2b446d561937bbca422'>etc</a>/<a href='/guix/log/etc/committer.scm.in?id=4387bc9c817e5cfaa598f2b446d561937bbca422'>committer.scm.in</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/committer.scm.in?id=4387bc9c817e5cfaa598f2b446d561937bbca422&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-10-15 18:40:09 +0200'>2024-10-15</span></td><td><a href='/guix/commit/etc/committer.scm.in?id=56e3cbddb6586d02f886e9d0f27feadb17d657b0'>committer: Fix for inputs that are lists by using object-&gt;string.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/committer.scm.in (change-commit-message): Use object-&gt;string to deal
with more complex dependency specifications.

Change-Id: Ieee39709fd3eb26368df400a9228d77aa97a9d9d
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Attila Lendvai</td></tr>
<tr><td><span title='2024-08-26 11:39:38 +0200'>2024-08-26</span></td><td><a href='/guix/commit/etc/committer.scm.in?id=a7db59b3fd217374d1da821a51f53c987e9c96a3'>committer: Avoid // in xpath.</a><span class='msg-avail'>...<span class='msg-tooltip'>When using // we assume that the package definition's S-expression is a
nesting of proper lists.  This is not guaranteed to be true, because a package
definition may contain alists.  By using an explicit path to the field of
interest we avoid recursion through all child nodes, thus avoiding child nodes
that are more likely to contain improper lists.

* etc/committer.scm.in (change-commit-message): Replace // with a path for the
PACKAGE symbol.

Change-Id: Idefaec9f5c3538484432e15a5865a68fc16e7369
</span></span></td><td>Ricardo Wurmus</td></tr>