[glib: 1/2] glib spawn-singlethread test only if F_DUPFD_CLOEXEC is defined

[Philip Withnall <pwithnall src gnome org>]

commit d3207660bbf000b08fd58559c160f16d9024511b
Author: Claes Nästén <pekdon gmail com>
Date:   Fri May 14 20:24:10 2021 +0200

    glib spawn-singlethread test only if F_DUPFD_CLOEXEC is defined
    
    F_DUPFD_CLOEXEC is not available on Solaris 10, no need to fail the
    build instead skip the test as on non Unix platforms already.

 glib/tests/spawn-singlethread.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/glib/tests/spawn-singlethread.c b/glib/tests/spawn-singlethread.c
index 51a1da514..dc38729e0 100644
--- a/glib/tests/spawn-singlethread.c
+++ b/glib/tests/spawn-singlethread.c
@@ -433,7 +433,7 @@ test_spawn_nonexistent (void)
 static void
 test_spawn_fd_assignment_clash (void)
 {
-#ifdef G_OS_UNIX
+#if defined(G_OS_UNIX) && defined(F_DUPFD_CLOEXEC)
   int tmp_fd;
   guint i;
   const guint n_fds = 10;
@@ -487,7 +487,7 @@ test_spawn_fd_assignment_clash (void)
   for (i = 0; i < n_fds; i++)
     g_close (source_fds[i], NULL);
 #else  /* !G_OS_UNIX */
-  g_test_skip ("FD redirection only supported on Unix");
+  g_test_skip ("FD redirection only supported on Unix with F_DUPFD_CLOEXEC");
 #endif  /* !G_OS_UNIX */
 }