-AC_DEFUN([gl_CANON_HOST],
-[
- AC_LIBSOURCES([canon-host.c])
- AC_LIBOBJ([canon-host])
-
- dnl Prerequisites of lib/canon-host.c.
- AC_CHECK_HEADERS_ONCE(unistd.h)
- AC_CHECK_HEADERS(netdb.h sys/socket.h netinet/in.h arpa/inet.h)
-
- dnl Add any libraries as early as possible.
- dnl In particular, inet_ntoa needs -lnsl at least on Solaris 2.5.1,
- dnl so we have to add -lnsl to LIBS before checking for that function.
- AC_SEARCH_LIBS(gethostbyname, [inet nsl])
-
- dnl These come from -lnsl on Solaris 2.5.1.
- AC_CHECK_FUNCS(getaddrinfo gethostbyname gethostbyaddr inet_ntoa)