-# netdb_h.m4 serial 2
-dnl Copyright (C) 2008 Free Software Foundation, Inc.
+# netdb_h.m4 serial 7
+dnl Copyright (C) 2008, 2009, 2010 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_CHECK_HEADERS_ONCE([netdb.h])
gl_CHECK_NEXT_HEADERS([netdb.h])
if test $ac_cv_header_netdb_h = yes; then
- NETDB_H=''
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <netdb.h>
+ struct addrinfo a;
+ int b = EAI_OVERFLOW;
+ int c = AI_NUMERICSERV;
+ ]])],
+ [NETDB_H=''], [NETDB_H='netdb.h'])
HAVE_NETDB_H=1
else
NETDB_H='netdb.h'
[
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])
])
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])
])