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Date:      Fri, 29 Jun 2018 18:02:13 -0700
From:      Mark Millard <marklmi@yahoo.com>
To:        John Baldwin <jhb@freebsd.org>
Cc:        Bryan Drewery <bdrewery@FreeBSD.org>, svn-src-head@freebsd.org, FreeBSD Current <freebsd-current@freebsd.org>
Subject:   Re: head -r335782 (?) broke ci.freebsd.org's FreeBSD-head-amd64-gcc build (lib32 part of build)
Message-ID:  <3010D324-3852-4EFC-BC7C-E4A905A0F665@yahoo.com>
In-Reply-To: <003509F0-F2F4-4A43-82FE-3F6FC23D19D4@yahoo.com>
References:  <00D1127A-1F0E-4E0E-B86C-1C5AA5B2E085@yahoo.com> <CF0230A1-1384-4F0F-A96A-5AB555FD17AC@yahoo.com> <7A845F2C-C994-4828-823D-33A97B7B6EB0@yahoo.com> <72081b02-cf23-82ec-32df-7f5793c35f57@FreeBSD.org> <003509F0-F2F4-4A43-82FE-3F6FC23D19D4@yahoo.com>

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On 2018-Jun-29, at 2:37 PM, Mark Millard <marklmi at yahoo.com> wrote:

> [I expect this is more than just amd64-gcc related but that is all
> that ci.freebsd.org normally builds via a devel/*-gcc .]
>=20
> On 2018-Jun-29, at 10:38 AM, John Baldwin <jhb at freebsd.org> wrote:
>=20
>> On 6/28/18 7:54 PM, Mark Millard wrote:
>>> On 2018-Jun-28, at 6:04 PM, Mark Millard <marklmi at yahoo.com> =
wrote:
>>>=20
>>>> On 2018-Jun-28, at 5:39 PM, Mark Millard <marklmi at yahoo.com> =
wrote:
>>>>=20
>>>> . . .
>>>> Later below expand the failing and previoly good commands, one
>>>> option per line. The summary of the distinction in content is
>>>> a one line difference, the working example ( -r335773 )had the
>>>> option:
>>>>=20
>>>> -isystem =
/workspace/obj/workspace/src/amd64.amd64/obj-lib32/tmp/usr/include
>>>>=20
>>>> but the failing one did not. Working ( -r335773 ) is shown first.
>>>>=20
>>>> --- catrigl.o ---
>>>> /usr/local/bin/x86_64-unknown-freebsd11.1-gcc
>>>> -DCOMPAT_32BIT
>>>> -march=3Di686
>>>> -mmmx
>>>> -msse
>>>> -msse2
>>>> -m32
>>>> -L/workspace/obj/workspace/src/amd64.amd64/obj-lib32/tmp/usr/lib32
>>>> --sysroot=3D/workspace/obj/workspace/src/amd64.amd64/obj-lib32/tmp
>>>> -B/usr/local/x86_64-unknown-freebsd11.1/bin/
>>>> -B/workspace/obj/workspace/src/amd64.amd64/obj-lib32/tmp/usr/lib32
>>>> -isystem =
/workspace/obj/workspace/src/amd64.amd64/obj-lib32/tmp/usr/include
>>>> -O2
>>>> -pipe
>>>> -I/workspace/src/lib/msun/x86
>>>> -I/workspace/src/lib/msun/ld80
>>>> -I/workspace/src/lib/msun/i387
>>>> -I/workspace/src/lib/msun/src
>>>> -I/workspace/src/lib/libc/include
>>>> -I/workspace/src/lib/libc/i386
>>>> . . .
>>>>=20
>>>> --- catrigl.o ---
>>>> /usr/local/bin/x86_64-unknown-freebsd11.1-gcc
>>>> -DCOMPAT_32BIT
>>>> -march=3Di686
>>>> -mmmx
>>>> -msse
>>>> -msse2
>>>> -m32
>>>> -L/workspace/obj/workspace/src/amd64.amd64/obj-lib32/tmp/usr/lib32
>>>> --sysroot=3D/workspace/obj/workspace/src/amd64.amd64/obj-lib32/tmp
>>>> -B/usr/local/x86_64-unknown-freebsd11.1/bin/
>>>> -B/workspace/obj/workspace/src/amd64.amd64/obj-lib32/tmp/usr/lib32
>>>> -O2
>>>> -pipe
>>>> -I/workspace/src/lib/msun/x86
>>>> -I/workspace/src/lib/msun/ld80
>>>> -I/workspace/src/lib/msun/i387
>>>> -I/workspace/src/lib/msun/src
>>>> -I/workspace/src/lib/libc/include=20
>>>> -I/workspace/src/lib/libc/i386
>>>> . . .
>>>=20
>>>=20
>>> For the report:
>>>=20
>>>> The xtoolchain GCC packages have not required these flags since =
ports
>>>> commits r465416 and r466701
>>>=20
>>> Looking at =
https://ci.freebsd.org/job/FreeBSD-head-amd64-gcc/6331/consoleText
>>> there is:
>>>=20
>>>> Updating FreeBSD repository catalogue...
>>>> FreeBSD repository is up to date.
>>>> All repositories are up to date.
>>>> The following 6 package(s) will be affected (of 0 checked):
>>>>=20
>>>> New packages to be INSTALLED:
>>>> 	amd64-xtoolchain-gcc: 0.4_1
>>>> 	amd64-gcc: 6.4.0
>>>> 	mpfr: 4.0.1
>>>> 	gmp: 6.1.2
>>>> 	mpc: 1.1.0_1
>>>> 	amd64-binutils: 2.30_3,1
>>>=20
>>> and amd64-gcc being 6.4.0 (via powerpc64-gcc) is from -r466834
>>> (via looking up in https://svnweb.freebsd.org/ports/head/devel/ ).
>>>=20
>>> This indicates that -r465416 and -r466701 did not cause:
>>>=20
>>> --sysroot=3D/workspace/obj/workspace/src/amd64.amd64/obj-lib32/tmp
>>>=20
>>> to lead to include files being looked up in:
>>>=20
>>> /workspace/obj/workspace/src/amd64.amd64/obj-lib32/tmp/usr/include
>>>=20
>>> Thus there appears to still be a need for:
>>>=20
>>> -isystem =
/workspace/obj/workspace/src/amd64.amd64/obj-lib32/tmp/usr/include
>>>=20
>>> unless more is done to the devel/*-gcc to make them look
>>> in that additional place automatically (based on --sysroot).
>>=20
>> --sysroot does work, and you can verify it by doing the following:
>>=20
>> % touch empty.c
>> % x86_64-unknown-freebsd11.2-gcc -c -v empty.c
>> Using built-in specs.
>> COLLECT_GCC=3Dx86_64-unknown-freebsd11.2-gcc
>> Target: x86_64-unknown-freebsd11.2
>> ...
>> ignoring nonexistent directory =
"/usr/local/lib/gcc/x86_64-unknown-freebsd11.2/6.4.0/include-fixed"
>> ignoring nonexistent directory =
"/usr/local/lib/gcc/x86_64-unknown-freebsd11.2/6.4.0/../../../../x86_64-un=
known-freebsd11.2/include"
>> #include "..." search starts here:
>> #include <...> search starts here:
>> /usr/local/lib/gcc/x86_64-unknown-freebsd11.2/6.4.0/include
>> /usr/include
>> End of search list.
>> ...
>> % x86_64-unknown-freebsd11.2-gcc -c -v empty.c  --sysroot=3D/foo
>> Using built-in specs.
>> COLLECT_GCC=3Dx86_64-unknown-freebsd11.2-gcc
>> Target: x86_64-unknown-freebsd11.2
>> ...
>> ignoring nonexistent directory =
"/usr/local/lib/gcc/x86_64-unknown-freebsd11.2/6.4.0/include-fixed"
>> ignoring nonexistent directory =
"/usr/local/lib/gcc/x86_64-unknown-freebsd11.2/6.4.0/../../../../x86_64-un=
known-freebsd11.2/include"
>> ignoring nonexistent directory "/foo/usr/include"
>> #include "..." search starts here:
>> #include <...> search starts here:
>> /usr/local/lib/gcc/x86_64-unknown-freebsd11.2/6.4.0/include
>> End of search list.
>>=20
>> I will see if I can reproduce the failure locally.
>=20
> The:
>=20
> ignoring nonexistent directory "/foo/usr/include"
>=20
> means that the order of the search alternatives was not shown
> ("search starts here"). That is what I expect is different.
>=20
> It will take a while before I'll have a build from either
> before or after the change to show a search order with.
> (And longer to have both for comparison.)
>=20
> My context is freebsd12.0 . My buildworld buildkernel
> context has:
>=20
> # more ~/src.configs/make.conf=20
> CFLAGS.gcc+=3D -v
>=20
> so my script file for a build is very explicit about the
> order.
>=20
> I'll be starting from  # uname -apKU
> FreeBSD FBSDUSSD 12.0-CURRENT FreeBSD 12.0-CURRENT  r335245M  amd64 =
amd64 1200069 1200069
>=20

Here is what head -r335245 got for my build . . .

=
/usr/obj/amd64_xtoolchain-gcc/amd64.amd64/usr/src/amd64.amd64/obj-lib32/li=
b/msun/catrigl.o.meta

shows:

ignoring nonexistent directory =
"/usr/local/lib/gcc/x86_64-unknown-freebsd12.0/6.4.0/include-fixed"
ignoring nonexistent directory =
"/usr/local/lib/gcc/x86_64-unknown-freebsd12.0/6.4.0/../../../../x86_64-un=
known-freebsd12.0/include"
ignoring duplicate directory =
"/usr/obj/amd64_xtoolchain-gcc/amd64.amd64/usr/src/amd64.amd64/obj-lib32/t=
mp/usr/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/src/lib/msun/x86
 /usr/src/lib/msun/ld80
 /usr/src/lib/msun/i387
 /usr/src/lib/msun/src
 /usr/src/lib/libc/include
 /usr/src/lib/libc/i386
 =
/usr/obj/amd64_xtoolchain-gcc/amd64.amd64/usr/src/amd64.amd64/obj-lib32/tm=
p/usr/include
 /usr/local/lib/gcc/x86_64-unknown-freebsd12.0/6.4.0/include
End of search list.

It will be some time before I have an attempted build of -r335782
or later to compare such with. But the above found FreeBSD's:

# ls -lT  =
/usr/obj/amd64_xtoolchain-gcc/amd64.amd64/usr/src/amd64.amd64/obj-lib32/tm=
p/usr/include/float.h=20
lrwxr-xr-x  1 root  wheel  15 Jun 29 16:27:34 2018 =
/usr/obj/amd64_xtoolchain-gcc/amd64.amd64/usr/src/amd64.amd64/obj-lib32/tm=
p/usr/include/float.h -> machine/float.h

# ls -lT  =
/usr/obj/amd64_xtoolchain-gcc/amd64.amd64/usr/src/amd64.amd64/obj-lib32/tm=
p/usr/include/machine/float.h
-rwxr-xr-x  1 root  wheel  151 Nov  3 02:27:25 2016 =
/usr/obj/amd64_xtoolchain-gcc/amd64.amd64/usr/src/amd64.amd64/obj-lib32/tm=
p/usr/include/machine/float.h

instead of:

# ls -lT   =
/usr/local/lib/gcc/x86_64-unknown-freebsd12.0/6.4.0/include/float.h=20
-rw-r--r--  1 root  wheel  8729 May 26 05:05:37 2018 =
/usr/local/lib/gcc/x86_64-unknown-freebsd12.0/6.4.0/include/float.h


=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)




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