2018-01-04 22:42 GMT+01:00 Sam Lunt <[email protected]>:
> Hi Domen,
>
> Thanks for the reply, but that doesn't seem to work for me. I modified
> my example to add this function call:
>
> list(APPEND CPACK_RPM_RELOCATION_PATHS
> ${CPACK_PACKAGING_INSTALL_PREFIX}
> )
>
The documentation states that CPACK_PACKAGING_INSTALL_PREFIX is prepended
so the way you are using it not how it is supposed to be used.
With your example above I'd do something like this:
include(GNUInstallDirs)
install(TARGETS foo
DESTINATION "${CMAKE_INSTALL_BINDIR}"
COMPONENT Foo_Comp
)
install(TARGETS bar
DESTINATION "a/b/c"
COMPONENT Bar_Comp
)
list(APPEND CPACK_RPM_RELOCATION_PATHS
"${CMAKE_INSTALL_BINDIR}" "a/b/c"
)
set(CPACK_PACKAGING_INSTALL_PREFIX "/")
This will make "/", "/${CMAKE_INSTALL_BINDIR}" and "/a/b/c" relocatable
(and if you want to skip / just set CPACK_PACKAGING_INSTALL_PREFIX).
There was a bug in older versions of CPack that CPACK_PACKAGING_INSTALL_PREFIX
could not be set to / (it was fixed by this commit
https://gitlab.kitware.com/cmake/cmake/merge_requests/583/diffs in CMake
3.9 so you can backport it if you want to as it is a small change to
CPackRPM.cmake file).
>
> that silences the warnings, but it still prepends the
> CPACK_PACKAGING_INSTALL_PREFIX when generating the RPM files, while I
> want it to prepend CPACK_RPM_<COMPONENT>_PACKAGE_PREFIX.
>
> So if I call "rpm -qlp FooBar-0.1.0-Linux-Bar_Comp.rpm", it outputs:
> /tmp_dir/foobar
> /tmp_dir/foobar/bin
> /tmp_dir/foobar/bin/bar
>
> (CPACK_PACKAGING_INSTALL_PREFIX = /tmp_dir/foobar)
>
> I want it to output:
>
> /tmp_dir/bar
> /tmp_dir/bar/bin
> /tmp_dir/bar/bin/bar
>
> (CPACK_RPM_BAR_COMP_PACKAGE_PREFIX = /tmp_dir/bar)
>
> It seems like cpack is prepending the CPACK_PACKAGING_INSTALL_PREFIX
> to any relative paths before actually calling the CPackRPM.cmake
> module, so by the time CPackRPM sees the paths, it is seeing
> /tmp_dir/foobar/bin/bar and /tmp_dir/foobar/bin/foo, while I want it
> to see /tmp_dir/bar/bin/bar and /tmp_dir/foo/bin/foo. Maybe there is
> no way to achieve this currently?
>
What you are trying to achieve seems odd to me particularly since your rpms
will be relocatable so why would you want to create the structure of
/some_dir/bar_dir/bin/repeated_bar_dir instead of /bin/bar or
/tmp_dir/bin/bar with either / for the first case or /tmp_dir for the
second case being relocatable?
Regards,
Domen
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