enhanced test environment (including testbench)

support for enhancing probability of memory addressing failure by
using non-NULL default value for malloced memory (optional, only if
requested by configure option). This helps to track down some
otherwise undetected issues within the testbench and is expected
to be very useful in the future.

1 files changed, 16 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 376855b3..c381f28b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -394,6 +394,21 @@ if test "$enable_valgrind" = "yes"; then
 fi
 
 
+# memcheck
+AC_ARG_ENABLE(memcheck,
+        [AS_HELP_STRING([--enable-memcheck],[Enable extended memory check support @<:@default=no@:>@])],
+        [case "${enableval}" in
+         yes) enable_memcheck="yes" ;;
+          no) enable_memcheck="no" ;;
+           *) AC_MSG_ERROR(bad value ${enableval} for --enable-memcheck) ;;
+         esac],
+        [enable_memcheck="no"]
+)
+if test "$enable_memcheck" = "yes"; then
+        AC_DEFINE(MEMCHECK, 1, [Defined if memcheck support settings are to be enabled (e.g. prevents dlclose()).])
+fi
+
+
 # compile diagnostic tools (small helpers usually not needed)
 AC_ARG_ENABLE(diagtools,
         [AS_HELP_STRING([--enable-diagtools],[Enable diagnostic tools @<:@default=no@:>@])],
@@ -927,5 +942,6 @@ echo "    Testbench enabled:                        $enable_testbench"
 echo "    Debug mode enabled:                       $enable_debug"
 echo "    Runtime Instrumentation enabled:          $enable_rtinst"
 echo "    Diagnostic tools enabled:                 $enable_diagtools"
+echo "    Enhanced memory checking enabled:         $enable_memcheck"
 echo "    Valgrind support settings enabled:        $enable_valgrind"
 echo