On 2024/05/27 10:09, Vitaly Zaitsev via devel wrote:
On 27/05/2024 02:46, Kan-Ru Chen wrote:
It is documented that FIND_PACKAGE_ARGS argument in
FetchContent_Declare should instruct it to find system packages first.
This only works as expected in very rare cases. The library name in
FetchContent() must match the name in find_package().
In principle this can be handled with FIND_PACKAGE_ARGS + NAMES. But
there are more nuances that the dependent project must have
compatibility ALIAS targets, or equivalent handling on the consumer side.
Overall I think the upstream packages should make these transitions, and
wherever possible Fedora packagers should help propose these.
Regarding FETCHCONTENT_FULLY_DISCONNECTED=ON, I think that could be a
good idea, but it needs a bit more implementation to work, e.g. exposing
the FetchContent deps folder so that we can populate them manually. This
would be the equivalent of the vendored packaging in go or rust, where
we specify additional Source to be downloaded. This would not be a
recommended packaging process, but it's good to reduce the initial
workload when dealing with dependency chains.
--
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