X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=configure.ac;h=adb18ac1d4eb0f5f9056d417b2de143da0e094a8;hb=3d7551de28f8f9a104abb9ed4982d54293b7c072;hp=6457a30ffbc0f56264f3a88ef89a8aab457a04f1;hpb=98f3fb23cdf46c5220ff613fe6aa4fc13e4daf86;p=lttng-ust.git

diff --git a/configure.ac b/configure.ac
index 6457a30f..adb18ac1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -105,6 +105,13 @@ AC_CACHE_CHECK([whether the C++ compiler works],
 
 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],
 [