Ubuntu
glibc package

byteswap-16.h file is missed in 20.04 LTS

Bug #1888302 reported by Norbert on 2020-07-20

16

This bug affects 3 people

Affects		Status	Importance	Assigned to	Milestone
	glibc (Ubuntu)	Invalid	Undecided	Unassigned

Bug Description

Steps to reproduce:
1. Have Ubuntu 20.04 LTS installed
2. Try to compile some application which uses byteswap-16.h (for example as described here - https://askubuntu.com/q/1260661)

Expected results:
* byteswap-16.h is found, compilation is successful

Actual results:
* byteswap-16.h is not found, compilation is not successful

Note:
the last Ubuntu version with this file was 18.04 LTS.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: libc6-dev 2.31-0ubuntu9
ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44
Uname: Linux 5.4.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Mon Jul 20 22:06:00 2020
InstallationDate: Installed on 2020-04-23 (88 days ago)
InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
SourcePackage: glibc
UpgradeStatus: No upgrade log present (probably fresh install)

Tags:

Revision history for this message

Norbert (nrbrtx) wrote on 2020-07-20:

#1

Dependencies.txt Edit (275 bytes, text/plain; charset="utf-8")
ProcCpuinfoMinimal.txt Edit (897 bytes, text/plain; charset="utf-8")
ProcEnviron.txt Edit (325 bytes, text/plain; charset="utf-8")

Revision history for this message

Launchpad Janitor (janitor) wrote on 2020-07-21:

#2

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in glibc (Ubuntu):
status:	New → Confirmed

Revision history for this message

Luís de Sousa (luis-de-sousa) wrote on 2020-07-21:

#3

There are other header files missing from lib6-dev in 20.04. I just had to fetch libio.h and _G_config.h from an old Ubuntu 18.04 to compile a programme on 20.04.

Revision history for this message

Matthias Klose (doko) wrote on 2020-07-21:

#4

removed upstream:

2018-02-06 Joseph Myers <email address hidden>

        [BZ #14508]
        [BZ #15512]
        [BZ #17082]
        [BZ #20530]

Changed in glibc (Ubuntu):
status:	Confirmed → Invalid

Revision history for this message

tomdean (tomdean) wrote on 2020-11-02:

#5

sudo apt-get --reinstall install libc6-dev
    sudo cp /mnt/usr/include/x86_64-linux-gnu/bits/byteswap-16.h /usr/include/x86_64-linux-gnu/bits/
    sudo cp /mnt/usr/include/x86_64-linux-gnu/bits/libio.h /usr/include/x86_64-linux-gnu/bits/
    sudo cp /mnt/usr/include/x86_64-linux-gnu/bits/_G_config.h /usr/include/x86_64-linux-gnu/bits/
    sudo cp /mnt/usr/lib/gcc/x86_64-linux-gnu/7/include-fixed/limits.h /usr/lib/gcc/x86_64-linux-gnu/7/include-fixed/
    sudo cp /mnt/usr/lib/gcc/x86_64-linux-gnu/7/include-fixed/syslimits.h /usr/lib/gcc/x86_64-linux-gnu/7/include-fixed/

fixed the problem

Revision history for this message

tomdean (tomdean) wrote on 2020-11-03: Re: [Question #693795]: byteswap-16.h removed from libc8-dev. Why?

#6

On 2020-11-02 21:15, tomdean wrote:
> Your question #693795 on Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+question/693795
>
> tomdean posted a new comment:
> libc6-dev in the title.
>
An old .depend file may have caused the requirement for byteswap-16.h.
Removing the .depend fixed the problem.
Sorry for the noise.

Tom Dean

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