[Python-modules-team] Bug#811984: qscintilla2: FTBFS with GCC 6: symbol changes

[Scott Kitterman]

On Tuesday, January 19, 2016 08:13:26 PM Martin Michlmayr wrote:
> Package: qscintilla2
> Version: 2.9.1+dfsg-4
> Severity: important
> User: debian-gcc at lists.debian.org
> Usertags: ftbfs-gcc-6 gcc-6-symbols
> 
> This package fails to build with GCC 6.  GCC 6 has not been released
> yet, but it's expected that GCC 6 will become the default compiler for
> stretch.
> 
> Note that only the first error is reported; there might be more.  You
> can find a snapshot of GCC 6 in experimental.  To build with GCC 6,
> you can set CC=gcc-6 CXX=g++-6 explicitly.
> 
> You may be able to find out more about this issue at
> https://gcc.gnu.org/gcc-6/changes.html
> 
> > sbuild (Debian sbuild) 0.67.0 (26 Dec 2015) on dl580gen9-02.hlinux
> 
> ...
> 
> > dpkg-gensymbols: warning: some new symbols appeared in the symbols file:
> > see diff output below dpkg-gensymbols: warning: some symbols or patterns
> > disappeared in the symbols file: see diff output below dpkg-gensymbols:
> > warning: debian/libqscintilla2-12v5/DEBIAN/symbols doesn't match
> > completely debian/libqscintilla2-12v5.symbols ---
> > debian/libqscintilla2-12v5.symbols
> > (libqscintilla2-12v5_2.9.1+dfsg-4_amd64) +++
> > dpkg-gensymbolsv15vh4	2016-01-19 21:14:51.112125090 +0000
> > @@ -96,6 +96,13 @@
> > 
> >   _Z5IsEOLi at Base 2.8.4
> >   _Z5issmli at Base 2.8.4
> >   _Z5qRgbaiiii at Base 2.8.4
> > 
> > + _Z5qSwapI12QFontPrivateEvR28QExplicitlySharedDataPointerIT_ES4_ at Base
> > 2.9.1+dfsg-4 + _Z5qSwapIP12QFontPrivateEvRT_S3_ at Base 2.9.1+dfsg-4
> > + _Z5qSwapIP8QMapDataEvRT_S3_ at Base 2.9.1+dfsg-4
> > + _Z5qSwapIPN10QByteArray4DataEEvRT_S4_ at Base 2.9.1+dfsg-4
> > + _Z5qSwapIPN7QString4DataEEvRT_S4_ at Base 2.9.1+dfsg-4
> > + _Z5qSwapIPN9QListData4DataEEvRT_S4_ at Base 2.9.1+dfsg-4
> > + _Z5qSwapIjEvRT_S1_ at Base 2.9.1+dfsg-4
> > 
> >   _Z6iscamli at Base 2.8.4
> >   _Z6issmldi at Base 2.8.4
> >   _Z6issmlfi at Base 2.8.4
> > 
> > @@ -258,6 +265,7 @@
> > 
> >   _ZN10QByteArrayC2Ev at Base 2.8.4
> >   _ZN10QByteArrayD1Ev at Base 2.8.4
> >   _ZN10QByteArrayD2Ev at Base 2.8.4
> > 
> > + _ZN10QByteArrayaSEOS_ at Base 2.9.1+dfsg-4
> > 
> >   _ZN10QByteArraypLEc at Base 2.8.4
> >   _ZN10QDropEvent20acceptProposedActionEv at Base 2.8.4
> >   _ZN10QsciLexerD11qt_metacallEN11QMetaObject4CallEiPPv at Base 2.8.4
> > 
> > @@ -403,12 +411,15 @@
> 
> ...
> 
> The diff was 1.5 MB so I didn't include everything.  I can send you a
> log if you want.
> 
> Martin

Once GCC-6 is default, I'll update the symbols files.  It's premature to do it 
now.

Scott K
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