tjh.dev
1From 737452159d521aef2041a2767f3ebf9f68f4b6a9 Mon Sep 17 00:00:00 2001
2From: Christian Kampka <christian@kampka.net>
3Date: Tue, 1 Sep 2020 13:54:35 +0200
4Subject: [PATCH] Pin abstract namespace sockets to host_os
5
6Running programs with AC_RUN_IFELSE fails when cross-compiling.
7Since abstract namespace sockets are linux feature, we can easily
8assume it is available for linux and not for darwin.
9---
10 configure.in | 47 ++++++-----------------------------------------
11 1 file changed, 6 insertions(+), 41 deletions(-)
12
13diff --git a/configure.in b/configure.in
14index 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--
722.25.4
73