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='/browser-extension/log/?h=koszko&amp;id=5c58b3d65e370ebd3dadc1133157c73c6afc84af'>root</a>/<a href='/browser-extension/log/html?h=koszko&amp;id=5c58b3d65e370ebd3dadc1133157c73c6afc84af'>html</a>/<a href='/browser-extension/log/html/import_frame.html?h=koszko&amp;id=5c58b3d65e370ebd3dadc1133157c73c6afc84af'>import_frame.html</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/browser-extension/log/html/import_frame.html?h=koszko&amp;id=5c58b3d65e370ebd3dadc1133157c73c6afc84af&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-01-04 09:15:32 +0100'>2022-01-04</span></td><td><a href='/browser-extension/commit/html/import_frame.html?h=koszko&amp;id=372d24ea3a52e376f953deeffeb7847d008b81c9'>fix license promise typo</a></td><td>Wojtek Kosior</td></tr>
<tr><td><span title='2021-12-22 16:39:34 +0100'>2021-12-22</span></td><td><a href='/browser-extension/commit/html/import_frame.html?h=koszko&amp;id=b590eaa2f64ead3384eadc6fe58f6358aa1a0478'>reworked build system; added missing license notices</a></td><td>Wojtek Kosior</td></tr>
<tr><td><span title='2021-09-02 18:35:49 +0200'>2021-09-02</span></td><td><a href='/browser-extension/commit/html/import_frame.html?h=koszko&amp;id=6247f163d3ca89d5570450ac7ac8fd18f73bb74b'>enable toggling of global script blocking policy\n\nThis commit also introduc...</a></td><td>Wojtek Kosior</td></tr>
<tr><td><span title='2021-09-01 14:14:51 +0200'>2021-09-01</span></td><td><a href='/browser-extension/commit/html/import_frame.html?h=koszko&amp;id=4b59dced912fb9b50ff041c67f0f72cbbad56b6c'>add styling to settings install(import) dialog</a></td><td>Wojtek Kosior</td></tr>
<tr><td><span title='2021-09-01 11:45:06 +0200'>2021-09-01</span></td><td><a href='/browser-extension/commit/html/import_frame.html?h=koszko&amp;id=453ba03962ececcdff9264bea606b7bc488c1803'>add styling for popup page\n\nThis does not include styling for contents of t...</a></td><td>Wojtek Kosior</td></tr>
<tr><td><span title='2021-08-27 18:01:34 +0200'>2021-08-27</span></td><td><a href='/browser-extension/commit/html/import_frame.html?h=koszko&amp;id=826b4fd80a288f13841b6f6d56cc38e2f43bbc03'>start using `&lt;template&gt;' tag</a></td><td>Wojtek Kosior</td></tr>
<tr><td><span title='2021-08-06 17:17:45 +0200'>2021-08-06</span></td><td><a href='/browser-extension/commit/html/import_frame.html?h=koszko&amp;id=792fbe187bdffca4a748e88d66ea29f8936ae5c8'>Facilitate installation of scripts from the repository</a><span class='msg-avail'>...<span class='msg-tooltip'>This commit includes:
* removal of page_info_server
* running of storage client in popup context
* extraction of some common CSS to a separate file
* extraction of scripts import view to a separate file
* addition of a facility to conveniently clone complex structures from DOM (in DOM_helpers.js)
* addition of hydrilla repo url to default settings
* other minor changes
and of course changes related to the actual installation of scripts from the repo
</span></span></td><td>Wojtek Kosior</td></tr>