[Buildroot] [Bug 5360] New: buildroot fails when building "host-libglib2 2.30.2 Building"

[Buildroot] [Bug 5360] New: buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

           Summary: buildroot fails when building "host-libglib2 2.30.2
                    Building"
           Product: buildroot
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: minor
          Priority: P5
         Component: Other
        AssignedTo: unassigned at buildroot.uclibc.org
        ReportedBy: anton at fit.com.ru
                CC: buildroot at uclibc.org
   Estimated Hours: 0.0


Created attachment 4406
  --> https://bugs.busybox.net/attachment.cgi?id=4406
configuration file buildroot

Hello,

I have attached the config file that reproduces this bug (basically i think to
reproduce this bug what you need to do is try to build the libglib2).

The following final error is given:
SyntaxErrorSyntaxError: : Non-ASCII character '\xd0' in file
../../gio/gdbus-2.0/codegen/gdbus-codegen on line 36, but no encoding declared;
see http://www.python.org/peps/pep-0263.html for detailsNon-ASCII character
'\xd0' in file ../../gio/gdbus-2.0/codegen/gdbus-codegen on line 36, but no
encoding declared; see http://www.python.org/peps/pep-0263.html for details

Anton

PS
This is a very strange bug.
Honestly i was expecting that such standard libraries are building correctly by
now.

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #1 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> 2012-07-13 20:52:55 UTC ---
Can you attach the last 100-150 lines of the build log?

What is the version of Python installed on your host machine?

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #2 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> 2012-07-13 22:42:55 UTC ---
I have taken your .config, and the build ended succesfully, so I strongly
suspect something on your host that influences the build.

Can you attach the file
output/build/libglib-2.30.2/gio/gdbus-2.0/codegen/gdbus-codegen ?

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #3 from Shokurov Anton V. <anton@fit.com.ru> 2012-07-14 08:10:07 UTC ---
(In reply to comment #1)
> Can you attach the last 100-150 lines of the build log?
> 
> What is the version of Python installed on your host machine?

$ python3.1 --version
Python 3.1.2
$ python --version
Python 2.6.5

What version should it be? How can i pass the correct python version to the
build system? Shouldn't you check the python version before doing the build?

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #4 from Shokurov Anton V. <anton@fit.com.ru> 2012-07-14 08:12:38 UTC ---
(In reply to comment #2)
> I have taken your .config, and the build ended succesfully, so I strongly
> suspect something on your host that influences the build.

I also suspect this, but shouldn't the build script check for such things?
(like the python version)

> 
> Can you attach the file
> output/build/libglib-2.30.2/gio/gdbus-2.0/codegen/gdbus-codegen ?

It gets deleted, after the build ends with an error.

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #5 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> 2012-07-14 10:20:26 UTC ---
I have an idea. Can you tell me what is the full path to your Buildroot
directory?

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #6 from s.martin49 at gmail.com 2012-07-14 12:51:06 UTC ---
(In reply to comment #4)
> (In reply to comment #2)
> > I have taken your .config, and the build ended succesfully, so I strongly
> > suspect something on your host that influences the build.
> 
> I also suspect this, but shouldn't the build script check for such things?
> (like the python version)

Currently, there is no check to check/detect python version, but there are few
patches about that in the pipe:
http://patchwork.ozlabs.org/patch/162456/
http://patchwork.ozlabs.org/patch/162457/

Note that in your case, 'python' points to python2.x while 'python3' to
python3.x, which is the standard currently. So, the problem is not here.

BTW, these 2 patches intend to fix this kind of issues on system/distro, such
as archlinux, in which 'python' points to python3.

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #7 from Shokurov Anton V. <anton@fit.com.ru> 2012-07-14 15:01:18 UTC ---
(In reply to comment #5)
> I have an idea. Can you tell me what is the full path to your Buildroot
> directory?

/home/<user name>/<name in cyrillic chars>/buildroot/latest/buildroot

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #8 from Shokurov Anton V. <anton@fit.com.ru> 2012-07-14 15:02:57 UTC ---
(In reply to comment #6)
> (In reply to comment #4)
> > (In reply to comment #2)
> > > I have taken your .config, and the build ended succesfully, so I strongly
> > > suspect something on your host that influences the build.
> > 
> > I also suspect this, but shouldn't the build script check for such things?
> > (like the python version)
> 
> Currently, there is no check to check/detect python version, but there are few
> patches about that in the pipe:
> http://patchwork.ozlabs.org/patch/162456/
> http://patchwork.ozlabs.org/patch/162457/
> 
> Note that in your case, 'python' points to python2.x while 'python3' to
> python3.x, which is the standard currently. So, the problem is not here.
> 
> BTW, these 2 patches intend to fix this kind of issues on system/distro, such
> as archlinux, in which 'python' points to python3.

What python version should be enough to do the build?

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #9 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> 2012-07-14 15:23:08 UTC ---
The name is cyrilic chars is the problem. This gdbus-codegen Python script is
generated from gdbus-codegen.in by replacing some paths into the script. And as
the script doesn't declare any encoding, it doesn't like having non-ascii
characters into the path. This also explains why it was working for me.

One option is to declare the script encoding as utf-8, but that would only work
on utf-8 configured systems. On other systems, it would probably not work. This
problem is not Buildroot's fault, so I think it should rather be reported to
the glib maintainers.

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #10 from Shokurov Anton V. <anton@fit.com.ru> 2012-07-15 16:20:23 UTC ---
(In reply to comment #9)
> The name is cyrilic chars is the problem.

Yes. You are right. After moving the directory the build was successful.
After extending the package list i got a new error,

output/build/gcc-4.7.1-target/arm-unknown-linux-uclibcgnueabi/libstdc++-v3/include/fenv.h:36:24

can't find fenv.h

I have included the new config file as an attachment

> This gdbus-codegen Python script is
> generated from gdbus-codegen.in by replacing some paths into the script. And as
> the script doesn't declare any encoding, it doesn't like having non-ascii
> characters into the path. This also explains why it was working for me.
> 
> One option is to declare the script encoding as utf-8, but that would only work
> on utf-8 configured systems. On other systems, it would probably not work. This
> problem is not Buildroot's fault, so I think it should rather be reported to
> the glib maintainers.

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

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--- Comment #11 from Shokurov Anton V. <anton@fit.com.ru> 2012-07-15 16:21:44 UTC ---
Created attachment 4412
  --> https://bugs.busybox.net/attachment.cgi?id=4412
new config file

the build ends with the can't find fenv.h file error.

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #12 from s.martin49 at gmail.com 2012-07-15 17:10:39 UTC ---
(In reply to comment #11)
> Created attachment 4412 [details]
> new config file
> 
> the build ends with the can't find fenv.h file error.

fenv.h comes with uClibc when C99 floating point environment is enabled.
This feature is disabled in the default uclibc-0.9.33 defconfig file.

You can change this running 'make uclibc-menuconfig' in "Target Architecture
Features and Options >> Enable C99 Floating-point environment", but this will
require to rebuild the cross-toolchain.

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #13 from Shokurov Anton V. <anton@fit.com.ru> 2012-07-16 05:12:21 UTC ---
(In reply to comment #12)
> (In reply to comment #11)
> > Created attachment 4412 [details]
> > new config file
> > 
> > the build ends with the can't find fenv.h file error.
> 
> fenv.h comes with uClibc when C99 floating point environment is enabled.
> This feature is disabled in the default uclibc-0.9.33 defconfig file.
> 
> You can change this running 'make uclibc-menuconfig' in "Target Architecture
> Features and Options >> Enable C99 Floating-point environment", but this will
> require to rebuild the cross-toolchain.

It builds now perfectly.
Thank you!

PS
How would i have know to run 'make uclibc-menuconfig' ... ? There was no such
problem in the previous version (release) of buildroot.

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #14 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> 2012-07-16 07:17:29 UTC ---
On which package did the fenv.h build problem occured?

Also, could you report your libglib2 problem to the upstream libglib
developers?

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #15 from Shokurov Anton V. <anton@fit.com.ru> 2012-07-16 08:44:21 UTC ---
(In reply to comment #14)
> On which package did the fenv.h build problem occured?
> 
> Also, could you report your libglib2 problem to the upstream libglib
> developers?

yes, i can.

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

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https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #16 from Shokurov Anton V. <anton@fit.com.ru> 2012-07-16 08:51:40 UTC ---
(In reply to comment #14)
> On which package did the fenv.h build problem occured?
> 
> Also, could you report your libglib2 problem to the upstream libglib
> developers?

It's at
https://bugzilla.gnome.org/show_bug.cgi?id=679993

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

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--- Comment #17 from Shokurov Anton V. <anton@fit.com.ru> 2012-07-16 17:05:52 UTC ---
(In reply to comment #14)
> On which package did the fenv.h build problem occured?
> 
> Also, could you report your libglib2 problem to the upstream libglib
> developers?

This is crazy...
Now I can't login. (In the previous build of buildroot i had no problem, at
least after i disabled WCHAR).
I can login if i remove the 'x' from the second field of the /etc/passwd file.
The rest of the files (securitty, inittab) look fine (unaltered).

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=5360

--- Comment #18 from Shokurov Anton V. <anton@fit.com.ru> 2012-07-18 20:44:42 UTC ---
(In reply to comment #14)
> On which package did the fenv.h build problem occured?

I think it is the gcc package for the target, that is "gcc-4.7.1-target".

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[Buildroot] [Bug 5360] buildroot fails when building "host-libglib2 2.30.2 Building"

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https://bugs.busybox.net/show_bug.cgi?id=5360

Thomas Petazzoni <thomas.petazzoni@free-electrons.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WONTFIX

--- Comment #19 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> 2012-08-21 12:00:16 UTC ---
Original problem is "solved": it is an upstream glib2 bug which has been
reported at https://bugzilla.gnome.org/show_bug.cgi?id=679993.

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