Merge branch 'master' into squeeze

[debian/amanda] / config / gnulib / netdb_h.m4

diff --git a/config/gnulib/netdb_h.m4 b/config/gnulib/netdb_h.m4
new file mode 100644 (file)
index 0000000..c870fb6
--- /dev/null
+++ b/config/gnulib/netdb_h.m4
@@ -0,0 +1,41 @@
+# netdb_h.m4 serial 9
+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
+    HAVE_NETDB_H=1
+  else
+    HAVE_NETDB_H=0
+  fi
+  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])
+  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])
+])