Hi! The latest upload [1] for gcc-6 now contains this change:
> * dpkg-buildflags stopped fiddling around with spec files; remove > the code removing and warning about dpkg's specs. So, it seems this issue has been resolved now. Pending testing. Adrian > [1] https://packages.qa.debian.org/g/gcc-6/news/20170316T134920Z.html -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaub...@debian.org `. `' Freie Universitaet Berlin - glaub...@physik.fu-berlin.de `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913