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mptcpd fails to build in rhel-9.1 with the error:
make[1]: Leaving directory '/builddir/build/BUILD/mptcpd-0.8/src'
In file included from ../include/mptcpd/addr_info.h:16,
from netlink_pm_upstream.c:27:
/usr/include/netinet/in.h:31:8: error: redefinition of 'struct in_addr'
31 | struct in_addr
| ^~~~~~~
Example scratch build:
https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=46357572
the problem is in the kernel-headers package (missing commit [1], and it's fixed by the mptcp "phase2" backport - see bz2103906). mptcpd tries to include the uAPI file provided by the build system, and defaults to an internal copy in case that file is not present. Backporting the workaround mentioned in comment #1 should fix the FTBFS bug, and the patch will be removed when the kernel-headers package gets updated.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=06e445f740c1a0fe5d16b3dff8a4ef18e124e54e
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (mptcpd bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2022:8175
mptcpd fails to build in rhel-9.1 with the error: make[1]: Leaving directory '/builddir/build/BUILD/mptcpd-0.8/src' In file included from ../include/mptcpd/addr_info.h:16, from netlink_pm_upstream.c:27: /usr/include/netinet/in.h:31:8: error: redefinition of 'struct in_addr' 31 | struct in_addr | ^~~~~~~ Example scratch build: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=46357572