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=0eca1c5de4782392715c859791a127ad4cf952d1'>root</a>/<a href='/guix/log/gnu?id=0eca1c5de4782392715c859791a127ad4cf952d1'>gnu</a>/<a href='/guix/log/gnu/tests?id=0eca1c5de4782392715c859791a127ad4cf952d1'>tests</a>/<a href='/guix/log/gnu/tests/linux-modules.scm?id=0eca1c5de4782392715c859791a127ad4cf952d1'>linux-modules.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/linux-modules.scm?id=0eca1c5de4782392715c859791a127ad4cf952d1&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-04-22 22:59:39 +0200'>2020-04-22</span></td><td><a href='/guix/commit/gnu/tests/linux-modules.scm?id=f91ad0b13d8d3d5b1ae92e209b1be6e8473385ba'>system: Automatically adjust linux-module packages to use the</a><span class='msg-avail'>...</span></td><td>Danny Milosavljevic</td></tr>
<tr><td><span title='2020-04-05 13:07:13 +0200'>2020-04-05</span></td><td><a href='/guix/commit/gnu/tests/linux-modules.scm?id=044d1478c9a63a64547c9cc320008f8d8fbf6791'>gnu: Add kernel-module-loader-service.</a><span class='msg-avail'>...</span></td><td>Brice Waegeneire</td></tr>
<tr><td><span title='2020-03-22 12:51:50 +0100'>2020-03-22</span></td><td><a href='/guix/commit/gnu/tests/linux-modules.scm?id=5c79f238634c5adb6657f1b4b1bb4ddb8bb73ef1'>system: Add kernel-loadable-modules to operating-system.</a><span class='msg-avail'>...</span></td><td>Danny Milosavljevic</td></tr>