Submitted By:            Zeckma <zeckma_DOT_tech_AT_gmail_DOT_com>
Date:                    2026-02-20
Initial Package Version: 140.7.2esr
Upstream Status:         Not applied
Origin:                  From Joe Locash, see
                         https://wiki.linuxfromscratch.org/lfs/ticket/5850#comment:13.
Description:             Removes conflicting definitions and adapts the
                         syscall in accordance with glibc-2.43.

diff '--color=auto' -Naur thunderbird-140.7.2.orig/comm/third_party/rust/glslopt/glsl-optimizer/include/c11/threads_posix.h thunderbird-140.7.2/comm/third_party/rust/glslopt/glsl-optimizer/include/c11/threads_posix.h
--- thunderbird-140.7.2.orig/comm/third_party/rust/glslopt/glsl-optimizer/include/c11/threads_posix.h	2026-02-13 17:01:44.000000000 -0700
+++ thunderbird-140.7.2/comm/third_party/rust/glslopt/glsl-optimizer/include/c11/threads_posix.h	2026-02-20 17:55:03.992954728 -0700
@@ -66,7 +66,6 @@ typedef pthread_cond_t  cnd_t;
 typedef pthread_t       thrd_t;
 typedef pthread_key_t   tss_t;
 typedef pthread_mutex_t mtx_t;
-typedef pthread_once_t  once_flag;
 
 
 /*
@@ -90,11 +89,6 @@ impl_thrd_routine(void *p)
 
 /*--------------- 7.25.2 Initialization functions ---------------*/
 // 7.25.2.1
-static inline void
-call_once(once_flag *flag, void (*func)(void))
-{
-    pthread_once(flag, func);
-}
 
 
 /*------------- 7.25.3 Condition variable functions -------------*/
diff '--color=auto' -Naur thunderbird-140.7.2.orig/security/sandbox/chromium/sandbox/linux/system_headers/linux_seccomp.h thunderbird-140.7.2/security/sandbox/chromium/sandbox/linux/system_headers/linux_seccomp.h
--- thunderbird-140.7.2.orig/security/sandbox/chromium/sandbox/linux/system_headers/linux_seccomp.h	2026-02-13 17:01:21.000000000 -0700
+++ thunderbird-140.7.2/security/sandbox/chromium/sandbox/linux/system_headers/linux_seccomp.h	2026-02-20 17:54:39.488954106 -0700
@@ -103,8 +103,5 @@
 #define SECCOMP_RET_INVALID 0x00010000U  // Illegal return value
 #endif
 
-#ifndef SYS_SECCOMP
-#define SYS_SECCOMP                   1
-#endif
 
 #endif  // SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_SECCOMP_H_