Add backtrace test to configure.ac

Author: magnusuMET

Diff for: configure.ac

@@ -447,6 +447,17 @@ if test "x$enable_set_log_level_func" = xyes -a "x$enable_netcdf_4" = xyes; then
 fi
 AC_MSG_RESULT($enable_set_log_level_func)
 
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[#include <execinfo.h>],
+[[int x = 0;]])],
+                   [havebacktrace=yes],
+                   [havebacktrace=no])
+AC_MSG_CHECKING([whether backtrace is defined])
+AC_MSG_RESULT([${havebacktrace}])
+if test $havebacktrace = yes; then
+  AC_DEFINE([HAVE_BACKTRACE],[1],[Is backtrace defined])
+fi
+
 
 # CURLOPT_USERNAME is not defined until curl version 7.19.1
 # CURLOPT_PASSWORD is not defined until curl version 7.19.1