-# netdb_h.m4 serial 1
-dnl Copyright (C) 2008 Free Software Foundation, Inc.
+# netdb_h.m4 serial 11
+dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_HEADER_NETDB],
[
AC_REQUIRE([gl_NETDB_H_DEFAULTS])
- AC_CACHE_CHECK([whether <netdb.h> is self-contained],
- [gl_cv_header_netdb_h_selfcontained],
- [
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
- [[struct hostent h;]])],
- [gl_cv_header_netdb_h_selfcontained=yes],
- [gl_cv_header_netdb_h_selfcontained=no])
- ])
- if test $gl_cv_header_netdb_h_selfcontained = yes; then
- NETDB_H=''
+ gl_CHECK_NEXT_HEADERS([netdb.h])
+ if test $ac_cv_header_netdb_h = yes; then
+ HAVE_NETDB_H=1
else
- NETDB_H='netdb.h'
- gl_CHECK_NEXT_HEADERS([netdb.h])
- if test $ac_cv_header_netdb_h = yes; then
- HAVE_NETDB_H=1
- else
- HAVE_NETDB_H=0
- fi
- AC_SUBST([HAVE_NETDB_H])
+ HAVE_NETDB_H=0
fi
- AC_SUBST([NETDB_H])
+ AC_SUBST([HAVE_NETDB_H])
+
+ dnl Check for declarations of anything we want to poison if the
+ dnl corresponding gnulib module is not in use.
+ gl_WARN_ON_USE_PREPARE([[#include <netdb.h>]],
+ [getaddrinfo freeaddrinfo gai_strerror getnameinfo])
])
AC_DEFUN([gl_NETDB_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_NETDB_H_DEFAULTS])
- GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+ gl_MODULE_INDICATOR_SET_VARIABLE([$1])
+ dnl Define it also as a C macro, for the benefit of the unit tests.
+ gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
AC_DEFUN([gl_NETDB_H_DEFAULTS],
[
- :
+ GNULIB_GETADDRINFO=0; AC_SUBST([GNULIB_GETADDRINFO])
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ HAVE_STRUCT_ADDRINFO=1; AC_SUBST([HAVE_STRUCT_ADDRINFO])
+ HAVE_DECL_FREEADDRINFO=1; AC_SUBST([HAVE_DECL_FREEADDRINFO])
+ HAVE_DECL_GAI_STRERROR=1; AC_SUBST([HAVE_DECL_GAI_STRERROR])
+ HAVE_DECL_GETADDRINFO=1; AC_SUBST([HAVE_DECL_GETADDRINFO])
+ HAVE_DECL_GETNAMEINFO=1; AC_SUBST([HAVE_DECL_GETNAMEINFO])
+ REPLACE_GAI_STRERROR=0; AC_SUBST([REPLACE_GAI_STRERROR])
])