Bug#831170: qjackctl: FTBFS with GCC 6: cstdlib:75:25: fatal error: stdlib.h: No such file or directory

[Petter Reinholdtsen]

[Lucas Nussbaum]
> 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):
>> g++ -c -m64 -pipe -Wall -g -O2 -std=gnu++0x -Wall -W -D_REENTRANT -fPIC -DDATADIR="/usr/share" -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_X11EXTRAS_LIB -DQT_GUI_LIB -DQT_DBUS_LIB -DQT_XML_LIB -DQT_CORE_LIB -I. -I. -isystem /usr/include/x86_64-linux-gnu/qt5 -isystem /usr/local/include -isystem /usr/include -isystem /usr/include/x86_64-linux-gnu/qt5/QtWidgets -isystem /usr/include/x86_64-linux-gnu/qt5/QtX11Extras -isystem /usr/include/x86_64-linux-gnu/qt5/QtGui -isystem /usr/include/x86_64-linux-gnu/qt5/QtDBus -isystem /usr/include/x86_64-linux-gnu/qt5/QtXml -isystem /usr/include/x86_64-linux-gnu/qt5/QtCore -I.moc -I.ui -I/usr/lib/x86_64-linux-gnu/qt5/mkspecs/linux-g++-64 -o .obj/qjackctl.o qjackctl.cpp

I asked on #debian-multimedia, and there they told me that the problem here is
the use of -isystem.  See
<URL: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70129 >.  I guess dropping it
will solve the build problem.

-- 
Happy hacking
Petter Reinholdtsen