Fix malfunction of socket functions on HP-UX in 64-bit mode. * m4/socketlib.m4 (gl_SOCKETLIB): Add comment. * m4/extensions.m4 (AC_USE_SYSTEM_EXTENSIONS): Define _HPUX_ALT_XOPEN_SOCKET_API. * modules/accept (Depends-on): Add 'extensions'. * modules/getpeername (Depends-on): Likewise. * modules/getsockname (Depends-on): Likewise. * modules/getsockopt (Depends-on): Likewise. * modules/recvfrom (Depends-on): Likewise. * doc/posix-functions/accept.texi: Mention the HP-UX socklen_t problem. * doc/posix-functions/getpeername.texi: Likewise. * doc/posix-functions/getsockname.texi: Likewise. * doc/posix-functions/getsockopt.texi: Likewise. * doc/posix-functions/recvfrom.texi: Likewise.

Description:
recvfrom() function: receive (read) data from a potentially unconnected socket.

Files:
lib/recvfrom.c
lib/w32sock.h

Depends-on:
extensions
sys_socket
socketlib
errno           [test "$ac_cv_header_winsock2_h" = yes]
getpeername     [test "$ac_cv_header_winsock2_h" = yes]
msvc-nothrow    [test "$ac_cv_header_winsock2_h" = yes]

configure.ac:
AC_REQUIRE([gl_HEADER_SYS_SOCKET])
if test "$ac_cv_header_winsock2_h" = yes; then
  AC_LIBOBJ([recvfrom])
fi
gl_SYS_SOCKET_MODULE_INDICATOR([recvfrom])

Makefile.am:

Include:
<sys/socket.h>

Link:
$(LIBSOCKET)

License:
LGPLv2+

Maintainer:
Paolo Bonzini, Simon Josefsson