I've been compiling with -fabi-version=10 with good results. The
problem is wxWidgets abi compatibility test. It's been patched once for
msys2 and it appears another patch is required to work with gcc 7. It
may have already been patched upstream.
On 8/4/2017 6:46 PM, Simon Richter wrote:
> we got a report on IRC that there was an ABI change with the change from
> gcc 6.3 to 7.1 on msys2, so people installing onto a system that already
> had recent msys2 installed experienced failures.
> I've upgraded the autobuilder to 7.1, so packages are now being built
> with the new C++ ABI. There is an extra nightly package build today
> (r8382, git 7bf9f8e1c) that could use some testing by people who use the
> If users who have msys2 installed separately get ABI errors now, they
> will need to update their msys2 installation using pacman.
> Stable branch is also building with 7.1 now, packages should hopefully
> turn up at http://downloads.kicad-pcb.org/windows/testing/ in an hour.
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