pkgs/development/libraries/gamin/abstract-socket-namespace.patch

   1 From 737452159d521aef2041a2767f3ebf9f68f4b6a9 Mon Sep 17 00:00:00 2001
   2 From: Christian Kampka <christian@kampka.net>
   3 Date: Tue, 1 Sep 2020 13:54:35 +0200
   4 Subject: [PATCH] Pin abstract namespace sockets to host_os
   5
   6 Running programs with AC_RUN_IFELSE fails when cross-compiling.
   7 Since abstract namespace sockets are linux feature, we can easily
   8 assume it is available for linux and not for darwin.
   9 ---
  10  configure.in | 47 ++++++-----------------------------------------
  11  1 file changed, 6 insertions(+), 41 deletions(-)
  12
  13 diff --git a/configure.in b/configure.in
  14 index eb129db..0ed82ba 100644
  15 --- a/configure.in
  16 +++ b/configure.in
  17 @@ -387,47 +387,12 @@ fi
  18
  19  #### Abstract sockets
  20
  21 -AC_MSG_CHECKING(abstract socket namespace)
  22 -AC_LANG_PUSH(C)
  23 -AC_RUN_IFELSE([AC_LANG_PROGRAM(
  24 -[[
  25 -#include <sys/types.h>
  26 -#include <stdlib.h>
  27 -#include <string.h>
  28 -#include <stdio.h>
  29 -#include <sys/socket.h>
  30 -#include <sys/un.h>
  31 -#include <errno.h>
  32 -]],
  33 -[[
  34 -  int listen_fd;
  35 -  struct sockaddr_un addr;
  36 -
  37 -  listen_fd = socket (PF_UNIX, SOCK_STREAM, 0);
  38 -
  39 -  if (listen_fd < 0)
  40 -    {
  41 -      fprintf (stderr, "socket() failed: %s\n", strerror (errno));
  42 -      exit (1);
  43 -    }
  44 -
  45 -  memset (&addr, '\0', sizeof (addr));
  46 -  addr.sun_family = AF_UNIX;
  47 -  strcpy (addr.sun_path, "X/tmp/dbus-fake-socket-path-used-in-configure-test");
  48 -  addr.sun_path[0] = '\0'; /* this is what makes it abstract */
  49 -
  50 -  if (bind (listen_fd, (struct sockaddr*) &addr, SUN_LEN (&addr)) < 0)
  51 -    {
  52 -       fprintf (stderr, "Abstract socket namespace bind() failed: %s\n",
  53 -                strerror (errno));
  54 -       exit (1);
  55 -    }
  56 -  else
  57 -    exit (0);
  58 -]])],
  59 -              [have_abstract_sockets=yes],
  60 -              [have_abstract_sockets=no])
  61 -AC_LANG_POP(C)
  62 +AC_MSG_CHECKING([whether target os has abstract socket namespace])
  63 +if test x$target_os = xlinux-gnu ; then
  64 +    have_abstract_sockets=yes
  65 +else
  66 +    have_abstract_sockets=no
  67 +fi
  68  AC_MSG_RESULT($have_abstract_sockets)
  69
  70  if test x$enable_abstract_sockets = xyes; then
  71 --
  72 2.25.4
  73