Re: make buildworld broken at r317821 (libsysdecode)

From: Andrey Fesenko <f0andrey_at_gmail.com>
Date: Fri, 5 May 2017 21:02:04 +0300
On Fri, May 5, 2017 at 8:41 PM, Kyle Evans <kevans91_at_ksu.edu> wrote:
> On Fri, May 5, 2017 at 9:31 AM, Kyle Evans <kevans91_at_ksu.edu> wrote:
>
>> On May 5, 2017 8:39 AM, "Dimitry Andric" <dim_at_freebsd.org> wrote:
>>
>>
>> This appears to be caused by bsdgrep. :-/ The build for lib/libsysdecode
>> uses a shell script, mkioctls, to generate a ioctl.c file at build time.
>> This script contains the following fragment:
>>
>> ioctl_includes=$(
>>         cd $includedir
>>         find -H -s * -name '*.h' | \
>>         egrep -v '(.*disk.*|net/pfvar|net/if_pfsync)\.h' | \
>>                 xargs egrep -l \
>> '^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO[^a-z0-9_]' |
>>                 awk '{printf("#include <%s>\\n", $1)}'
>> )
>>
>> The idea is that all headers are searched for defines of ioctl macros,
>> which start with _IO.  The -l option to egrep is used to print only the
>> matching filenames, not the matched content itself.
>>
>> However, this option seems to be broken in bsdgrep, as it *does* display
>> the matched content:
>>
>> $ gnugrep -l printf /usr/include/stdio.h
>> /usr/include/stdio.h
>>
>> $ bsdgrep -l printf /usr/include/stdio.h
>> #define __SSTR  0x0200          /* this is an sprintf/snprintf string */
>> /usr/include/stdio.h
>>
>> I did a quick check, and this option seems to have been accidentally
>> broken by r317703 [1] ("bsdgrep: fix -w flag matching with an empty
>> pattern").
>>
>> Ed, Kyle, any idea where the problem might be?
>>
>> -Dimitry
>>
>> [1] https://svnweb.freebsd.org/base?view=revision&revision=317703
>>
>>
>> Hi,
>>
>> This is addressed by https://reviews.freebsd.org/D10607
>>
>
> FYI- This has now been committed as r317842. Apologies for the breakage,
> and thanks for the reports!

Build not fixed (but is built slightly, a little more) :(

# uname -a
FreeBSD des.local 12.0-CURRENT FreeBSD 12.0-CURRENT #0 r317592: Sat
Apr 29 21:32:04 MSK 2017     root_at_des.local:/usr/obj/usr/src/sys/DES
amd64

# svnlite info
Path: .
Working Copy Root Path: /usr/src
URL: https://svn0.eu.freebsd.org/base/head
Relative URL: ^/head
Repository Root: https://svn0.eu.freebsd.org/base
Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Revision: 317842
Node Kind: directory
Schedule: normal
Last Changed Author: emaste
Last Changed Rev: 317842
Last Changed Date: 2017-05-05 20:35:05 +0300 (Fri, 05 May 2017)

# make -j1 buildworld
                                    make[1]: "/usr/src/Makefile.inc1"
line 160: SYSTEM_COMPILER: Determined that CC=cc matches the source
tree.  Not bootstrapping a cross-compiler.
...
===> lib/clang/libllvmminimal (obj,all,install)
/usr/obj/usr/src/tmp/usr/src/lib/clang/libllvmminimal created for
/usr/src/lib/clang/libllvmminimal
/usr/obj/usr/src/tmp/usr/src/lib/clang/libllvmminimal/Support created
for /usr/src/lib/clang/libllvmminimal
/usr/obj/usr/src/tmp/usr/src/lib/clang/libllvmminimal/TableGen created
for /usr/src/lib/clang/libllvmminimal
c++  -O2 -pipe -I/usr/src/lib/clang/include
-I/usr/src/contrib/llvm/include -DLLVM_ON_UNIX -DLLVM_ON_FREEBSD
-D__STDC_LIMIT_M
ACROS -D__STDC_CONSTANT_MACROS
-DLLVM_DEFAULT_TARGET_TRIPLE=\"x86_64-unknown-freebsd12.0\"
-DLLVM_HOST_TRIPLE=\"x86_64-unknow
n-freebsd12.0\" -DDEFAULT_SYSROOT=\"/usr/obj/usr/src/tmp\"
-ffunction-sections -fdata-sections -MD -MF.depend.Support_APInt.o
 -MTSupport/APInt.o -Qunused-arguments
-I/usr/obj/usr/src/tmp/legacy/usr/include -std=c++11 -fno-exceptions
-fno-rtti  -stdli
b=libc++ -Wno-c++11-extensions  -c
/usr/src/contrib/llvm/lib/Support/APInt.cpp -o Support/APInt.o
c++: error: unable to execute command: Segmentation fault (core
dumped)
c++: error: clang frontend command failed due to signal (use -v to see
invocation)
FreeBSD clang version 4.0.0 (tags/RELEASE_400/final 297347) (based on
LLVM 4.0.0)
Target: x86_64-unknown-freebsd12.0
Thread model: posix
InstalledDir: /usr/bin
c++: note: diagnostic msg: PLEASE submit a bug report to
https://bugs.freebsd.org/submit/ and include the crash backtrace, p$
eprocessed source, and associated run script.
...
Received on Fri May 05 2017 - 16:02:07 UTC

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