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libstdc++: xfail experimental/net tests on rtems 

Some net/timer/waitable tests fail on rtems because poll() is not
available.

The above, as well as net/internet/resolver/ops tests and
net/timer/waitable/cons.cc, will fail early at runtime unless mkfifo
is enabled in the RTEMS configuration, because the io_context ctor
throws when pipe() fails.

However, even enabling pipes and adjusting the net_ts link command to
use --gc-sections for -lbsd as recommended, both
net/internet/resolver/ops still fail at runtime.


for  libstdc++-v3/ChangeLog

	* testsuite/lib/dg-options.exp (add_options_for_net_ts):
	Add -Wl,--gc-sections for RTEMS targets.
	* testsuite/experimental/net/timer/waitable/dest.cc: Link-time
	xfail on RTEMS.
	* testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
	* testsuite/experimental/net/internet/resolver/ops/lookup.cc:
	Execution-time xfail on RTEMS.
	* testsuite/experimental/net/internet/resolver/ops/reverse.cc:
	Likewise.
This commit is contained in:
Alexandre Oliva 2022-06-27 10:34:14 -03:00 committed by Alexandre Oliva
parent b06a282921
commit 250b95a994
5 changed files with 5 additions and 5 deletions
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1
libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/lookup.cc
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@ -18,6 +18,7 @@
// { dg-do run { target c++14 } }
// { dg-require-effective-target net_ts_ip }
// { dg-add-options net_ts }
// { dg-xfail-run-if "io_context requires a working pipe" { *-*-rtems* } }
#include <experimental/internet>
#include <testsuite_hooks.h>

1
libstdc++-v3/testsuite/experimental/net/internet/resolver/ops/reverse.cc
View File

@ -18,6 +18,7 @@
// { dg-do run { target c++14 } }
// { dg-require-effective-target net_ts_ip }
// { dg-add-options net_ts }
// { dg-xfail-run-if "io_context requires a working pipe" { *-*-rtems* } }
#include <experimental/internet>
#include <testsuite_hooks.h>

1
libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc
View File

@ -17,6 +17,7 @@
// { dg-do run { target c++14 } }
// { dg-add-options libatomic }
// { dg-xfail-if "poll not available" { *-*-rtems* } }
#include <experimental/timer>
#include <testsuite_hooks.h>

1
libstdc++-v3/testsuite/experimental/net/timer/waitable/ops.cc
View File

@ -17,6 +17,7 @@
// { dg-do run { target c++14 } }
// { dg-add-options libatomic }
// { dg-xfail-if "poll not available" { *-*-rtems* } }
#include <experimental/timer>
#include <testsuite_hooks.h>

6
libstdc++-v3/testsuite/lib/dg-options.exp
View File

@ -281,11 +281,7 @@ proc add_options_for_net_ts { flags } {
if { [istarget *-*-solaris2*] } {
return "$flags -lsocket -lnsl"
} elseif { [istarget *-*-rtems*] } {
# Adding -Wl,--gc-sections would enable a few more tests to
# link, but all of them fail at runtime anyway, because the
# io_context ctor calls pipe(), which always fails, and thus
# the ctor throws a system error.
return "$flags -lbsd"
return "$flags -lbsd -Wl,--gc-sections"
}
return $flags
}