# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
-AC_INIT([lttng-ust],[2.5.1],[mathieu dot desnoyers at efficios dot com])
+AC_INIT([lttng-ust],[2.5.6],[mathieu dot desnoyers at efficios dot com])
# Following the numbering scheme proposed by libtool for the library version
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
+# Check if the compiler support weak symbols
+AX_SYS_WEAK_ALIAS
+
+if test "x${ax_cv_sys_weak_alias}" = "xno"; then
+ AC_MSG_ERROR([Your platform doesn't support weak symbols.])
+fi
+
## Checks for libraries.
AC_CHECK_LIB([dl], [dlopen],
[