2005-10-01 Simon Josefsson <jas@extundo.com>

2005-10-01  Simon Josefsson  <jas@extundo.com>

	* getaddrinfo.m4: Use AC_GNU_SOURCE, GNU only declare getaddrinfo
	as an (POSIX) extension.  Check for sys/types.h, sys/socket.h, and
	netdb.h too, needed by getaddrinfo.h.  Check if getaddrinfo,
	freeaddrinfo and gai_strerror are declared by the POSIX headers.
	Check if struct addrinfo is declared.