Fix autoconf complains about libtool.

Add AC_PROG_LIBTOOL and removed AC_PROG_RANLIB.

diff --git a/configure.ac b/configure.ac
index 359414f611eb6b2aab5441b8e0b106cee60f8b2c..be5cf073fbae19d319eb3b63c92b18c1b49acb0f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -31,8 +31,8 @@ AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
 AC_PROG_CXX
-AC_PROG_RANLIB
 AM_PROG_CC_C_O
+AC_PROG_LIBTOOL
 
 # Check some compiler flags
 AX_CFLAGS_GCC_OPTION([-fdiagnostics-show-option])