Start verifying that code which should be constant-time really is.

[catacomb] / configure.ac

diff --git a/configure.ac b/configure.ac
index bdc94be..40353da 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -368,6 +368,12 @@ LIBS=$mdw_ORIG_LIBS
 dnl Memory locking support.
 AC_CHECK_FUNCS([mlock])
 
+dnl See if we can find Valgrind's header files.
+AC_CHECK_HEADER([valgrind/memcheck.h],
+  AC_DEFINE([HAVE_VALGRIND_H], [1],
+           [Define if the Valgrind header files are available.])
+  [])
+
 dnl Set the master libraries we need.
 AC_SUBST([CATACOMB_LIBS])