BFD_CC_FOR_BUILD
-AC_CHECK_HEADERS(alloca.h stddef.h string.h strings.h stdlib.h time.h unistd.h)
+AC_CHECK_HEADERS(alloca.h stddef.h string.h strings.h stdlib.h time.h unistd.h wchar.h)
AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h sys/resource.h)
GCC_HEADER_STDINT(bfd_stdint.h)
AC_HEADER_TIME