+dnl =============================================================
+dnl Checks for libraries.
+AM_GNU_GETTEXT([use-libtool],[need-ngettext])
+
+dnl =============================================================
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_C_INLINE
+AC_TYPE_SIZE_T
+AC_CHECK_SIZEOF(void *, 4)
+
+dnl ==========================================================
+dnl Checks for library functions.
+AC_CHECK_HEADERS(stddef.h stdlib.h string.h)
+AC_CHECK_FUNCS(setlocale vsnprintf vsprintf)