Red Hat Bugzilla – Bug 831420
libpcap-devel multilib conflict
Last modified: 2013-07-05 04:28:31 EDT
# yum install libpcap-devel-14:1.2.1-2.fc17.i686 -y
Loaded plugins: changelog, downloadonly, priorities, remove-with-leaves, show-
: leaves, tsflags
16 packages excluded due to repository priority protections
--> Running transaction check
---> Package libpcap-devel.i686 14:1.2.1-2.fc17 will be installed
--> Finished Dependency Resolution
Package Arch Version Repository Size
libpcap-devel i686 14:1.2.1-2.fc17 fedora 107 k
Install 1 Package
Total size: 107 k
Installed size: 151 k
Running Transaction Check
Running Transaction Test
Transaction Check Error:
file /usr/bin/pcap-config from install of libpcap-devel-14:1.2.1-2.fc17.i686 conflicts with file from package libpcap-devel-14:1.2.1-2.fc17.x86_64
 12548 exit 1 noglob yum install libpcap-devel-14:1.2.1-2.fc17.i686 -y
Solution here which will resolve the conflict is adding runtime check for architecture to pcap-config instead of generating paths by autotools. This approach has some drawbacks, such that in case of both 32 and 64 bit libraries installed together paths corresponding to 64 bit libs on x86_64 will be returned, because they are preferred. However, I don't see any other obvious solution here.
The main problem is with the libraries. However, pcap-config can generate directories for both 32bit and 64bit libraries. The compiler will pick up the correct one itself.
Another option is to return ARCH specific paths by default, but provide an option like -m32/-m64 to provide paths for the arch specified in the command line
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I've already resolved the conflict by patching conflicting file (pcap-config) and removed source of the conflict. Please see commit 99e93b in git repository.