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New: The getline() in output/build/linux-2.6.28/scripts/unifdef.c in buildroot is buggy

Buildroot bugzilla at busybox.net 1 participant 3 messages Mar 11, 2010 – Jul 18, 2010

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https://bugs.busybox.net/show_bug.cgi?id=1261

Summary: The getline() in output/build/linux-
2.6.28/scripts/unifdef.c in buildroot is buggy
Product: buildroot
Version: unspecified
Platform: Other
OS/Version: Linux
Status: NEW
Keywords: link-failure
Severity: enhancement
Priority: P3
Component: Other
AssignedTo: unassigned at buildroot.uclibc.org
ReportedBy: vikki.km at gmail.com
CC: buildroot at uclibc.org
Estimated Hours: 0.0

Hi,

Yesterday i was trying to buildroot for my ARM920t and i think this is the bug.

Target: ARM920t
OS: Fedora 12 ( 2.6.31 using)
Kernel Headers: 2.6.32
Kernel used: 2.6.28

output/build/linux-2.6.28/scripts/unifdef.c

the getline() function in unidef.c contradicts with the already present getline function in stdio.h and gives this error

error:
/usr/include/stdio.h:653: note: previous declaration of ?getline? was here

How i fixed the error?

i changed the getline function in unidef.c to get_line ie. other than getline and it works fine.

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#1 lore raw

[Buildroot] [Bug 1261] The getline() in output/build/linux-2.6.28/scripts/unifdef.c in buildroot is buggy

https://bugs.busybox.net/show_bug.cgi?id=1261

Peter Korsgaard <[email protected]> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED

--- Comment #1 from Peter Korsgaard <[email protected]> 2010-03-14 07:26:13 UTC --- (In reply to comment #0)

Quoted 6 lines

/usr/include/stdio.h:653: note: previous declaration of ?getline? was here

How i fixed the error?

i changed the getline function in unidef.c to get_line ie. other than getline and it works fine.

That's a known problem in older versions of the Linux kernel when building on new distributions. The official fix (which is included in 2.6.29+) is like you describe (getline -> get_line).

Any reason why you want to use such an old kernel for a new project?

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#2 lore raw

[Buildroot] [Bug 1261] The getline() in output/build/linux-2.6.28/scripts/unifdef.c in buildroot is buggy

In reply to bugzilla at busybox.net

https://bugs.busybox.net/show_bug.cgi?id=1261

Thomas Petazzoni <[email protected]> changed:

What |Removed |Added
----------------------------------------------------------------------------

             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |WONTFIX

--- Comment #2 from Thomas Petazzoni <[email protected]> --- This is not a Buildroot bug, but rather a know bug when using old versions of the kernel in newer distributions. I don't think there's anything Buildroot can do to fix this.

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