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Date:      Wed, 22 Feb 2017 22:44:55 -0600
From:      Karl Denninger <karl@denninger.net>
To:        freebsd-arm@freebsd.org
Subject:   Re: -HEAD unbuildable for RPI3?
Message-ID:  <37043229-d507-524a-a910-9b798f9b8000@denninger.net>
In-Reply-To: <61f505a7-2678-a428-2bbc-b18c1ebdc4a4@denninger.net>
References:  <b258ce0e-ca78-fd1c-612b-ab67637ec674@denninger.net> <17b401d28d73$7e772a60$7b657f20$@tndh.net> <61f505a7-2678-a428-2bbc-b18c1ebdc4a4@denninger.net>
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[-- Attachment #1 --]

On 2/22/2017 22:19, Karl Denninger wrote:
> On 2/22/2017 19:23, Tony Hain wrote:
>> Something must have been trashed in some crypto libraries last night. I haven't been able to buildworld for a BBB all day either. Tried several svn updates during the day, and all failed to build, though I didn't keep track of all the failures. Just wiped the workspace, updated and tried again. The last complete build I had was r314061.
>> Latest ---- 
>> Image name is:
>> FreeBSD-armv6-12.0-BEAGLEBONE-314112M.img
>> ...
>> --- ssh-pkcs11-helper.o ---
>> cc -target armv6-gnueabihf-freebsd12.0 --sysroot=/home/tony/beaglebone/obj/arm.armv6/usr/src/tmp -B/home/tony/beaglebone/obj/arm.armv6/usr/src/tmp/usr/bin  -O -pipe   -I/usr/src/secure/libexec/ssh-pkcs11-helper/../../../crypto/openssh -include ssh_namespace.h -DHAVE_LDNS=1 -g -MD  -MF.depend.ssh-pkcs11-helper.o -MTssh-pkcs11-helper.o -std=gnu99 -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int -Wno-unused-const-variable -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-enum-conversion -Wno-unused-local-typedef -Wno-switch -Wno-switch-enum -Wno-knr-promoted-parameter -Wno-parentheses  -Qunused-arguments  -c /usr/src/secure/libexec/ssh-pkcs11-helper/../../../crypto/openssh/ssh-pkcs11-helper.c -o ssh-pkcs11-helper.o
>> --- all_subdir_tests ---
>> /usr/src/tests/sys/kern/ptrace_test.c:1694:3: error: implicit declaration of function 'breakpoint' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
>>                 breakpoint();
>>                 ^
>> 1 error generated.
>> *** [ptrace_test.o] Error code 1
>>
>> make[6]: stopped in /usr/src/tests/sys/kern
>> 1 error
>>
>> make[6]: stopped in /usr/src/tests/sys/kern
>> *** [ptrace_test] Error code 2
>>
> I'm getting a blowup in the same place now... which is different than
> what I was getting earlier.
>
> Something got boogered but I'm not sure exactly when -- I looked through
> the commit logs for today and didn't see anything obvious -- I haven't
> updated in a few days, so it could have been anywhere in the last week
> or so.
>
The offending commit is here:

root@NewFS:/pics/CrossBuild-12/src/tests/sys/kern # svnlite log -r314075
--diff ptrace_test.c | more
------------------------------------------------------------------------
r314075 | badger | 2017-02-21 22:35:07 -0600 (Tue, 21 Feb 2017) | 7 lines

Fix world build for archs where __builtin_debugtrap() does not work.

The offending code was introduced in r313992.

Reported by:    rpokala
Approved by:    kib (mentor)


Index: ptrace_test.c
===================================================================
--- ptrace_test.c       (revision 314074)
+++ ptrace_test.c       (revision 314075)
@@ -37,6 +37,7 @@
 #include <sys/user.h>
 #include <sys/wait.h>
 #include <errno.h>
+#include <machine/cpufunc.h>
 #include <pthread.h>
 #include <semaphore.h>
 #include <signal.h>
@@ -1690,7 +1691,7 @@
        ATF_REQUIRE((fpid = fork()) != -1);
        if (fpid == 0) {
                trace_me();
-               __builtin_debugtrap();
+               breakpoint();
                exit(1);
        }


------------------------------------------------------------------------


-- 
Karl Denninger
karl@denninger.net <mailto:karl@denninger.net>
/The Market Ticker/
/[S/MIME encrypted email preferred]/

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