[Debian-astro-maintainers] Bug#897766: healpix-cxx: ftbfs with GCC-8

[Matthias Klose]

Package: src:healpix-cxx
Version: 3.30.0-8
Severity: normal
Tags: sid buster
User: debian-gcc at lists.debian.org
Usertags: ftbfs-gcc-8

Please keep this issue open in the bug tracker for the package it
was filed for.  If a fix in another package is required, please
file a bug for the other package (or clone), and add a block in this
package. Please keep the issue open until the package can be built in
a follow-up test rebuild.

The package fails to build in a test rebuild on at least amd64 with
gcc-8/g++-8, but succeeds to build with gcc-7/g++-7. The
severity of this report will be raised before the buster release.

The full build log can be found at:
http://aws-logs.debian.net/2018/05/01/gcc8/healpix-cxx_3.30.0-8_unstable_gcc8.log.gz
The last lines of the build log are at the end of this report.

To build with GCC 8, either set CC=gcc-8 CXX=g++-8 explicitly,
or install the gcc, g++, gfortran, ... packages from experimental.

  apt-get -t=experimental install g++ 

Common build failures are new warnings resulting in build failures with
-Werror turned on, or new/dropped symbols in Debian symbols files.
For other C/C++ related build failures see the porting guide at
http://gcc.gnu.org/gcc-8/porting_to.html

[...]
PROBLEM: nside = 161 -8.96061e-13
PROBLEM: nside = 242 1.11544e-11
PROBLEM: nside = 364 1.36313e-11
PROBLEM: nside = 547 1.79314e-11
PROBLEM: nside = 821 -1.04351e-10
testing out-of-place swapping
testing downgrade(upgrade(map)) == map
testing ring2nest(nest2ring(m))==m (basetype: int)
testing ring2nest(nest2ring(m))==m (basetype: long)
testing peano2nest(nest2peano(m))==m (basetype: int)
testing peano2nest(nest2peano(m))==m (basetype: long)
testing zphi2pix(pix2zphi(m))==m (basetype: int)
testing zphi2pix(pix2zphi(m))==m (basetype: long)
testing pix2zphi(zphi2pix(ptg)) approx zphi (basetype: int)
testing pix2zphi(zphi2pix(ptg)) approx zphi (basetype: long)
testing ang2pix(pix2ang(m))==m (basetype: int)
testing ang2pix(pix2ang(m))==m (basetype: long)
testing neighbor function (basetype: int)
testing neighbor function (basetype: long)
testing whether double swap_scheme() returns the original map
(for orders 0 to 10).
testing whether all pixels found by query_disc() really
lie inside the disk (and vice versa)
Ordering scheme: RING
testing whether all pixels found by query_disc() really
lie inside the disk (and vice versa)
Ordering scheme: NEST
checking issue #229
checking issue #229
checking query_disc() (basetype: int)
checking query_disc() (basetype: long)
checking query_polygon() (basetype: int)
checking query_polygon() (basetype: long)
Error encountered at Healpix_cxx/hpxtest.cc, line 1349
(function int main(int, const char**))

unit test errors

terminate called after throwing an instance of 'PlanckError'
/bin/bash: line 5: 12723 Aborted                 ${dir}$tst
FAIL: hpxtest
==================
1 of 1 test failed
==================
make[2]: *** [Makefile:1322: check-TESTS] Error 1
make[2]: Leaving directory '/<<PKGBUILDDIR>>'
make[1]: *** [Makefile:1579: check-am] Error 2
dh_auto_test: make -j8 -Oline check VERBOSE=1 returned exit code 2
make: *** [debian/rules:46: build-arch] Error 25
dpkg-buildpackage: error: debian/rules build-arch subprocess returned exit status 2