Copied from Debian.

Description: Fix build of  WebRTC on non-Linux systems
 * Define the WEBRTC_LINUX macro only on Linux, and not on GNU/Hurd or FreeBSD.
 * Fix type cast in the CurrentThreadId function.
Bug-Debian: https://bugs.debian.org/920851
Author: Nicholas Guriev <guriev-ns@ya.ru>
Last-Update: Tue, 29 Jan 2019 23:26:44 +0300

--- a/libtgvoip.gyp
+++ b/libtgvoip.gyp
@@ -869,20 +869,18 @@
             '"<(OS)" == "linux"', {
               'defines': [
                 'WEBRTC_POSIX',
-                'WEBRTC_LINUX',
               ],
               'conditions': [
                 [ '"<!(uname -m)" == "i686"', {
                   'cflags_cc': [
                     '-msse2',
                   ],
+                }], ['"<!(uname -s)" == "Linux"', {
+                  'defines': [
+                    'WEBRTC_LINUX',
+                  ],
                 }]
               ],
-              'direct_dependent_settings': {
-                'libraries': [
-
-                ],
-              },
             },
           ],
         ],
--- a/webrtc_dsp/rtc_base/platform_thread_types.cc
+++ b/webrtc_dsp/rtc_base/platform_thread_types.cc
@@ -31,7 +31,7 @@ PlatformThreadId CurrentThreadId() {
   return syscall(__NR_gettid);
 #else
   // Default implementation for nacl and solaris.
-  return reinterpret_cast<pid_t>(pthread_self());
+  return static_cast<pid_t>(pthread_self());
 #endif
 #endif  // defined(WEBRTC_POSIX)
 }
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<div class='path'>path: <a href='/guix/log/?id=9320d860294fb6af3fe085e2b4c15a95f87b2b94'>root</a>/<a href='/guix/log/gnu?id=9320d860294fb6af3fe085e2b4c15a95f87b2b94'>gnu</a>/<a href='/guix/log/gnu/tests.scm?id=9320d860294fb6af3fe085e2b4c15a95f87b2b94'>tests.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.scm?id=9320d860294fb6af3fe085e2b4c15a95f87b2b94&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-11-05 23:23:23 +0100'>2023-11-05</span></td><td><a href='/guix/commit/gnu/tests.scm?id=0c695bbf8dbd5a5c1224f331a78b6316bc16e4d1'>tests: Honor system and target when lowering &lt;system-test&gt;.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/tests.scm (compile-system-test): Wrap ‘system-test-value’ call in
‘mparameterize’.

Change-Id: I4be28913a86f43059b0886ad2fcf81a9c699b730
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-04-21 16:16:38 +0200'>2023-04-21</span></td><td><a href='/guix/commit/gnu/tests.scm?id=a09c7da8f8d8e732f969cf0a09aaa78f87032ab1'>tests: Fork and exec a new Guile for the marionette REPL.</a><span class='msg-avail'>...<span class='msg-tooltip'>By merely forking PID 1, details from PID 1 (shepherd) would leak into
the marionette process, such as the set of modules in scope and state
inherited from the shepherd process (&lt;service&gt; instances, fibers,
etc.).  Running a fresh Guile instance avoids that.

* gnu/tests.scm (marionette-program): New procedure.
(marionette-shepherd-service): Change 'start' to use
'make-forkexec-constructor', and run the result of 'marionette-program'.
</span></span></td><td>Ludovic Courtès</td></tr>