Bug#831109: mathic: FTBFS with GCC 6: dh_makeshlibs: failing due to earlier errors

[Lucas Nussbaum]

Source: mathic
Version: 1.0~git20160320-3
Severity: serious
Tags: stretch sid
User: debian-qa at lists.debian.org
Usertags: qa-ftbfs-20160713 qa-ftbfs
Justification: FTBFS with GCC 6 on amd64

Hi,

During a rebuild of all packages in sid using the gcc-defaults package
available in experimental to make GCC default to version 6, your package failed
to build on amd64. For more information about GCC 6 and Stretch, see:
- https://wiki.debian.org/GCC6
- https://lists.debian.org/debian-devel-announce/2016/06/msg00007.html

Relevant part (hopefully):
> make[1]: Entering directory '/«PKGBUILDDIR»'
> dh_strip --dbgsym-migration='libmathic-dbg (<< 1.0~git20160320-1~)'
> make[1]: Leaving directory '/«PKGBUILDDIR»'
>    dh_makeshlibs -a
> dpkg-gensymbols: warning: some symbols or patterns disappeared in the symbols file: see diff output below
> dpkg-gensymbols: warning: debian/libmathic0v5/DEBIAN/symbols doesn't match completely debian/libmathic0v5.symbols
> --- debian/libmathic0v5.symbols (libmathic0v5_1.0~git20160320-3_amd64)
> +++ dpkg-gensymbols3hUTVg	2016-07-13 19:29:21.324000000 +0000
> @@ -102,7 +102,7 @@
>   _ZNK6mathic10HelpAction5topicB5cxx11Ev at Base 1.0~git20160320
>   _ZNK6mathic11BitTriangle12getMemoryUseEv at Base 1.0~git20130827
>   _ZNK6mathic11NameFactoryINS_6ActionEE15namesWithPrefixERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt6vectorIS8_SaIS8_EE at Base 1.0~git20160320
> - (optional)_ZNK6mathic11NameFactoryIPvE15namesWithPrefixERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt6vectorIS8_SaIS8_EE at Base 1.0~git20160320
> +#MISSING: 1.0~git20160320-3# (optional)_ZNK6mathic11NameFactoryIPvE15namesWithPrefixERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt6vectorIS8_SaIS8_EE at Base 1.0~git20160320
>   _ZNK6mathic13BoolParameter12argumentTypeB5cxx11Ev at Base 1.0~git20160320
>   _ZNK6mathic13BoolParameter13valueAsStringB5cxx11Ev at Base 1.0~git20160320
>   _ZNK6mathic13ColumnPrinter14getColumnCountEv at Base 1.0~git20130827
> @@ -118,15 +118,15 @@
>   _ZNK6mathic9CliParser29pushBackRegisteredActionNamesERSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS7_EE at Base 1.0~git20160320
>   _ZNSt10unique_ptrIN6mathic13ColumnPrinter3ColESt14default_deleteIS2_EED1Ev at Base 1.0~git20160320
>   _ZNSt10unique_ptrIN6mathic13ColumnPrinter3ColESt14default_deleteIS2_EED2Ev at Base 1.0~git20160320
> - _ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE19_M_emplace_back_auxIIRKS5_EEEvDpOT_ at Base 1.0~git20160320
> +#MISSING: 1.0~git20160320-3# _ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE19_M_emplace_back_auxIIRKS5_EEEvDpOT_ at Base 1.0~git20160320
>   _ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE19_M_emplace_back_auxIJRKS5_EEEvDpOT_ at Base 1.0~git20160320
>   _ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED1Ev at Base 1.0~git20160320
>   _ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev at Base 1.0~git20160320
> - _ZNSt6vectorISt10unique_ptrIN6mathic13ColumnPrinter3ColESt14default_deleteIS3_EESaIS6_EE19_M_emplace_back_auxIIS6_EEEvDpOT_ at Base 1.0~git20130827
> +#MISSING: 1.0~git20160320-3# _ZNSt6vectorISt10unique_ptrIN6mathic13ColumnPrinter3ColESt14default_deleteIS3_EESaIS6_EE19_M_emplace_back_auxIIS6_EEEvDpOT_ at Base 1.0~git20130827
>   _ZNSt6vectorISt10unique_ptrIN6mathic13ColumnPrinter3ColESt14default_deleteIS3_EESaIS6_EE19_M_emplace_back_auxIJS6_EEEvDpOT_ at Base 1.0~git20130827
>   _ZNSt6vectorISt10unique_ptrIN6mathic13ColumnPrinter3ColESt14default_deleteIS3_EESaIS6_EED1Ev at Base 1.0~git20130827
>   _ZNSt6vectorISt10unique_ptrIN6mathic13ColumnPrinter3ColESt14default_deleteIS3_EESaIS6_EED2Ev at Base 1.0~git20130827
> - _ZNSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPFSt10unique_ptrIPvSt14default_deleteIS8_EEvEESaISE_EE19_M_emplace_back_auxIISE_EEEvDpOT_ at Base 1.0~git20160320
> +#MISSING: 1.0~git20160320-3# _ZNSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPFSt10unique_ptrIPvSt14default_deleteIS8_EEvEESaISE_EE19_M_emplace_back_auxIISE_EEEvDpOT_ at Base 1.0~git20160320
>   _ZNSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPFSt10unique_ptrIPvSt14default_deleteIS8_EEvEESaISE_EE19_M_emplace_back_auxIJSE_EEEvDpOT_ at Base 1.0~git20160320
>   _ZNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEED0Ev at Base 1.0~git20160320
>   _ZNSt7__cxx1115basic_stringbufIcSt11char_traitsIcESaIcEED1Ev at Base 1.0~git20160320
> dh_makeshlibs: failing due to earlier errors
> make: *** [binary-arch] Error 255

The full build log is available from:
   http://people.debian.org/~lucas/logs/2016/07/13/mathic_1.0~git20160320-3_unstable_gcc6.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.