configure.ac: autoupdate (#2223)

Clear up the autoconf warnings.

diff --git a/configure.ac b/configure.ac
index 7250b686faecc2cc3720c4863e108b2bb11a0770..75c71d5c423c729d0b9fb31155f6d63032fcb3d0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -113,8 +113,8 @@ AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_CPP
 AC_USE_SYSTEM_EXTENSIONS
-AC_LIBTOOL_WIN32_DLL
-AC_PROG_LIBTOOL
+
+LT_INIT([win32-dll])
 AC_CHECK_TOOL([STRIP],[strip])
 AC_PROG_MKDIR_P
 
@@ -777,7 +777,6 @@ AX_COMPILE_CHECK_SIZEOF(long)
 AC_CHECK_HEADERS_ONCE([sys/time.h])
 
 # Checks for library functions.
-AC_PROG_GCC_TRADITIONAL
 AC_HEADER_MAJOR
 AC_FUNC_FSEEKO
 AC_FUNC_MEMCMP