On 07/17/2015 06:57 PM, Manuel A. Fernandez Montecelo wrote: > Hello, > > 2015-07-17 14:13 GMT+01:00 Matthias Klose <d...@debian.org>: >> Package: src:cwidget >> Version: 0.5.17-2 >> Severity: normal >> Tags: sid stretch patch >> User: debian-...@lists.debian.org >> Usertags: ftbfs-gcc-5 >> >> GCC 5 complains about using c++11 features without passing -std=c++11. Also >> setting the maintainer flag without exporting it doesn't help. >> >> patch at >> https://launchpadlibrarian.net/211899860/cwidget_0.5.17-2ubuntu1_0.5.17-2ubuntu2.diff.gz > > If I found the correct build log where you determined this [1], the > compiler fails when including > > In file included from /usr/include/c++/5/string:52:0, > from ../../../src/cwidget/curses++.h:25, > from colors.cc:22: > > Line 22 of colors is: > #include <cwidget/curses++.h> > > And line 25 of curses++.h is: > #include <string> > > The error is: > ----------------------- > /usr/include/c++/5/bits/basic_string.h: In instantiation of 'union > std::__cxx11::basic_string<cwidget::wchtype>::<anonymous>': > /usr/include/c++/5/bits/basic_string.h:119:7: required from 'class > std::__cxx11::basic_string<cwidget::wchtype>' > ../../../src/cwidget/curses++.h:199:31: required from here > /usr/include/c++/5/bits/basic_string.h:121:53: error: member > 'cwidget::wchtype > std::__cxx11::basic_string<cwidget::wchtype>::<anonymous > union>::_M_local_buf [1]' with constructor not allowed in union > _CharT _M_local_buf[_S_local_capacity + 1]; > ^ > /usr/include/c++/5/bits/basic_string.h:121:53: note: unrestricted > unions only available with -std=c++11 or -std=gnu++11 > ----------------------- > > This is because wchtype does not seem to be able to be used as part of > unions inside basic_string.h because the constructors/destructors are > not "trivial" enough. > > I was trying to work around this for a while, because I think that > forcing c++11 mode will have cascading effects on rev-deps (currently > only one within Debian, but it is aptitude with almost 100% of > reported installations by popcon), but I could not find a satisfactory > solution yet. > > Is there a deadline to fix this?
yes, Jul 31. please see my email to d-d-a. > [1] > https://people.debian.org/~doko/logs/gcc5-20150701-ftbfs/logs-failed-gcc5/cwidget_0.5.17-2_unstable_gcc5.log this was the error I saw: Making all in config make[5]: Entering directory '/scratch/packages/tmp/cwidget-0.5.17/src/cwidget/config' /bin/bash ../../../libtool --tag=CXX --mode=compile g++ -DLOCALEDIR=\"/usr/share/locale\" -DHAVE_CONFIG_H -I. -I../../.. -Wall -Werror -I../../.. -I. -I../../.. -I../../../src -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -D_REENTRANT -I/usr/include/sigc++-2.0 -I/usr/lib/x86_64-linux-gnu/sigc++-2.0/include -c -o colors.lo colors.cc libtool: compile: g++ -DLOCALEDIR=\"/usr/share/locale\" -DHAVE_CONFIG_H -I. -I../../.. -Wall -Werror -I../../.. -I. -I../../.. -I../../../src -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -D_REENTRANT -I/usr/include/sigc++-2.0 -I/usr/lib/x86_64-linux-gnu/sigc++-2.0/include -c colors.cc -fPIC -DPIC -o .libs/colors.o In file included from /usr/include/c++/5/string:52:0, from ../../../src/cwidget/curses++.h:25, from colors.cc:22: /usr/include/c++/5/bits/basic_string.h: In instantiation of 'union std::__cxx11::basic_string<cwidget::wchtype>::<anonymous>': /usr/include/c++/5/bits/basic_string.h:119:7: required from 'class std::__cxx11::basic_string<cwidget::wchtype>' ../../../src/cwidget/curses++.h:199:31: required from here /usr/include/c++/5/bits/basic_string.h:121:53: error: member 'cwidget::wchtype std::__cxx11::basic_string<cwidget::wchtype>::<anonymous union>::_M_local_buf [1]' with constructor not allowed in union _CharT _M_local_buf[_S_local_capacity + 1]; ^ /usr/include/c++/5/bits/basic_string.h:121:53: note: unrestricted unions only available with -std=c++11 or -std=gnu++11 Makefile:448: recipe for target 'colors.lo' failed make[5]: *** [colors.lo] Error 1 make[5]: Leaving directory '/scratch/packages/tmp/cwidget-0.5.17/src/cwidget/config' Makefile:603: recipe for target 'all-recursive' failed make[4]: *** [all-recursive] Error 1 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
