X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=configure.ac;h=41feed3d9866e50bc16f2c856bb2ef54b5292959;hb=refs%2Fheads%2Fstable-2.5;hp=726c8e9129d1457d2a0e3e02f5b771a5b98b7509;hpb=ce59a997afdb7dc8af02b464430bb7e35549fa66;p=lttng-ust.git

diff --git a/configure.ac b/configure.ac
index 726c8e91..41feed3d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_INIT([lttng-ust],[2.5.0],[mathieu dot desnoyers at efficios dot com])
+AC_INIT([lttng-ust],[2.5.7],[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
@@ -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${ax_cv_sys_weak_alias}" = "xno"; then
+   AC_MSG_ERROR([Your platform doesn't support weak symbols.])
+fi
+
 ## Checks for libraries.
 AC_CHECK_LIB([dl], [dlopen],
 [
@@ -272,7 +279,7 @@ AS_IF([test "x$jni_interface" = "xyes"],[
         AC_CHECK_HEADERS([jni.h],[],[
         AC_MSG_ERROR([missing jni.h
 Make sure Sun Java, OpenJDK or GCJ is installed and that this header file exists in the system path.
-Use the --with-java-jdk=DIR flag to point to your Java include files, or disable the JNI interface.])
+Use the --with-java-jdk=DIR option to point to your JDK directory, or disable the JNI interface.])
 	])
 ])
 AM_CONDITIONAL([BUILD_JNI_INTERFACE], [test "x$jni_interface" = "xyes"])