Bug 994265 - <linux/if_bridge.h> is broken
<linux/if_bridge.h> is broken
Status: CLOSED DUPLICATE of bug 981325
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel (Show other bugs)
Unspecified Unspecified
unspecified Severity unspecified
: rc
: ---
Assigned To: Thomas Graf
Red Hat Kernel QE team
Depends On: 895141 1002735
  Show dependency treegraph
Reported: 2013-08-06 18:44 EDT by Eric Blake
Modified: 2014-06-18 04:32 EDT (History)
2 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2013-08-07 06:36:50 EDT
Type: Bug
Regression: ---
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Eric Blake 2013-08-06 18:44:32 EDT
Description of problem:
Attempts to build libvirt 1.1.1 out of the box on RHEL 6.5 nightlies fail, because of a bug in the <linux/if_bridge.h> header.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. cat foo.c
2. gcc -o foo -Wall foo.c
3. wget ftp://libvirt.org/libvirt/libvirt-1.1.1.tar.gz; tar xvf libvirt-1.1.1.tar.gz; cd libvirt-1.1.1
4. ./configure

Actual results:
#include <netinet/in.h>
#include <linux/if_bridge.h>
int main(void) { return 0; }
In file included from /usr/include/linux/if_bridge.h:17,
                 from foo.c:2:
/usr/include/linux/in6.h:31: error: redefinition of ‘struct in6_addr’
/usr/include/linux/in6.h:48: error: redefinition of ‘struct sockaddr_in6’
/usr/include/linux/in6.h:56: error: redefinition of ‘struct ipv6_mreq’
3. ...
4. checking for linux/sockios.h... yes
checking for linux/if_bridge.h... no
configure: error: You must install kernel-headers in order to compile libvirt with QEMU or LXC support

Expected results:
The same program compiles just fine on Fedora 19 (glibc-2.17-11.fc19.x86_64, kernel-headers-3.10.4-300.fc19.x86_64).  libvirt 1.1.1 should compile just fine for RHEL 6.5.

Additional info:
Libvirt.git installed a workaround patch, but we shouldn't have to play games to avoid problems with broken kernel headers:
Comment 1 Eric Blake 2013-08-06 18:47:17 EDT
This issue first started appearing with bug 895141 in rawhide in Jan 2013; obviously the fact that Fedora 19 does not have the problem means that upstream has managed to figure out a way to avoid the conflict, and that fix needs to be backported to either kernel-headers or glibc (or both) for RHEL.
Comment 3 Thomas Graf 2013-08-07 06:36:50 EDT

*** This bug has been marked as a duplicate of bug 981325 ***

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