diff -up thunderbird-78.3.0/comm/third_party/botan/src/lib/utils/os_utils.cpp.auxv thunderbird-78.3.0/comm/third_party/botan/src/lib/utils/os_utils.cpp
--- thunderbird-78.3.0/comm/third_party/botan/src/lib/utils/os_utils.cpp.auxv	2020-09-25 17:23:50.810638756 +0200
+++ thunderbird-78.3.0/comm/third_party/botan/src/lib/utils/os_utils.cpp	2020-09-25 17:26:00.156999592 +0200
@@ -42,7 +42,7 @@
 
 #if defined(BOTAN_TARGET_OS_HAS_GETAUXVAL) || defined(BOTAN_TARGET_OS_IS_ANDROID) || \
   defined(BOTAN_TARGET_OS_HAS_ELF_AUX_INFO)
-  #include <sys/auxv.h>
+  //#include <sys/auxv.h>
 #endif
 
 #if defined(BOTAN_TARGET_OS_HAS_WIN32)
@@ -109,7 +109,7 @@ uint32_t OS::get_process_id()
 unsigned long OS::get_auxval(unsigned long id)
    {
 #if defined(BOTAN_TARGET_OS_HAS_GETAUXVAL)
-   return ::getauxval(id);
+   //return ::getauxval(id);
 #elif defined(BOTAN_TARGET_OS_IS_ANDROID) && defined(BOTAN_TARGET_ARCH_IS_ARM32)
 
    if(id == 0)