[Pkg-cmake-team] Bug#1051650: cmake: Problems finding libraries on Alpha

[Timo Röhling]

Hi Michael,

On Fri, 6 Oct 2023 09:42:40 +1300 Michael Cree <mcree at orcon.net.nz> 
wrote:
> I have tried the suggested script (with a small modification to count 
> number of failures) running for a few hours on one of the packages 
> that had failed on the buildd and never saw cmake fail.
>
> But then building a few packages locally with sbuild, apbs failed 
> first time to build with the cmake failure.  Second try at 
> building apbs with sbuild succeeded.
>
> So it appears that there is something different about running in 
> sbuild (or possibly under dpkg-buildpackage) that is triggering 
> this failure on occassion.

Thank you for your effort!

Assuming this is somehow related to the actual package build, 
debhelper injects a number of additional CLI arguments, mostly 
setting global variables that affect CMake's default behavior:

  -DCMAKE_INSTALL_PREFIX=/usr
  -DCMAKE_BUILD_TYPE=None
  -DCMAKE_INSTALL_SYSCONFDIR=/etc
  -DCMAKE_INSTALL_LOCALSTATEDIR=/var
  -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY=ON
  -DCMAKE_FIND_USE_PACKAGE_REGISTRY=OFF
  -DCMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY=ON
  -DFETCHCONTENT_FULLY_DISCONNECTED=ON
  -DCMAKE_INSTALL_RUNSTATEDIR=/run
  -DCMAKE_SKIP_INSTALL_ALL_DEPENDENCY=ON
  -DCMAKE_VERBOSE_MAKEFILE=ON
  -DCMAKE_INSTALL_LIBDIR=lib/alpha-linux-gnu
  -G"Unix Makefiles"

None of that should be affecting find_library(), but...


Cheers
Timo


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