Bug#1130801: deal.ii: checks for the boost version it was compiled with but doesn't depend on it

[Paul Gevers]

Source: deal.ii
Version: 9.7.1-4
Severity: important

Hi,

I was inspecting why the autopkgtest of deal.ii fails in the boost 1.90 
transition, and at the same time the binNMU's of deal.ii are not 
migrating. The scheduled autopkgtests fail [1, 2] and are hinting at a 
missing versioned dependency somewhere in the binaries of deal.ii. The 
error can be found below. It seems to me that the right binary of 
deal.ii should either:
a. drop the check for the boost version and rely on our autopkgtests to 
catch issues
b. encode the dependency during building of deal.ii on the proper boost 
binary with a version, such that the binaries of boost and deal.ii have 
to migrate together and the migration software knows things have to be 
scheduled together.

The test passes in unstable (on amd64 and ppc64) where both updates are 
available at the same time. The test also passes in testing (on amd64 
and ppc64) if I allow both boost-defaults and deal.ii from unstable.

Paul

[1] https://ci.debian.net/packages/d/deal.ii/testing/amd64/69521860/
[2] https://ci.debian.net/packages/d/deal.ii/testing/amd64/69531253/

133s [ 50%] Building CXX object CMakeFiles/step-50.dir/step-50.cc.o
135s In file included from 
/usr/include/deal.II/base/conditional_ostream.h:18,
135s                  from 
/tmp/autopkgtest-lxc.szhuzm4m/downtmp/autopkgtest_tmp/examples/step-50/step-50.cc:26:
135s /usr/include/deal.II/base/config.h:695:17: error: static assertion 
failed: The version number of boost that you are compiling with does not 
match the version number of boost found during deal.II's configuration 
step. This leads to difficult to understand bugs and is not supported. 
Please check that you have set up your application with the same version 
of boost as deal.II.
135s   695 |   BOOST_VERSION == 100000 * DEAL_II_BOOST_VERSION_MAJOR +
135s       |                 ^
135s /usr/include/deal.II/base/config.h:695:17: note: the comparison 
reduces to ‘(108300 == 109000)’
150s make[2]: *** [CMakeFiles/step-50.dir/build.make:79: 
CMakeFiles/step-50.dir/step-50.cc.o] Error 1

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