Bug#34904177 Add lines and numbers to callstack

produced by my_print_stacktrace

Additional patch, enabling stacktrace for non-glibc Linux platforms.

Change-Id: I8ac697e173cb40810fe37b1685e1495fb2660fa7

Author: Tor Didriksen

cmake/libbacktrace.cmake

@@ -21,6 +21,7 @@
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
 
 SET (VERIFIED_PLATFORMS
+  LINUX_ALPINE
   LINUX_FEDORA
   LINUX_RHEL7
   LINUX_RHEL8

include/my_stacktrace.h

@@ -42,8 +42,9 @@
 /*
   HAVE_BACKTRACE - Linux, FreeBSD, OSX, Solaris
   _WIN32 - Windows
+  HAVE_EXT_BACKTRACE - Unixes without backtrace(3)
 */
-#if defined(HAVE_BACKTRACE) || defined(_WIN32)
+#if defined(HAVE_BACKTRACE) || defined(_WIN32) || defined(HAVE_EXT_BACKTRACE)
 #define HAVE_STACKTRACE 1
 void my_init_stacktrace();
 void my_print_stacktrace(const uchar *stack_bottom, ulong thread_stack);
@@ -53,7 +54,7 @@ void my_safe_puts_stderr(const char *val, size_t max_len);
 void my_set_exception_pointers(EXCEPTION_POINTERS *ep);
 void my_create_minidump(const char *name, HANDLE process, DWORD pid);
 #endif
-#endif /* HAVE_BACKTRACE || _WIN32 */
+#endif /* HAVE_BACKTRACE || _WIN32 || HAVE_EXT_BACKTRACE */
 
 void my_write_core(int sig);