Howard Spoelstra <hsp.c...@gmail.com> writes:
> On Thu, Apr 2, 2020 at 12:47 PM Philippe Mathieu-Daudé <phi...@redhat.com> > wrote: > >> Cc'ing the persons referenced in the commit you referred, >> who happened to be chatting about this issue few hours ago on IRC. >> >> > Thanks, adding --disable-pie to configure solves this issue, but I guess > the default detection should work ;-) Could you try the following patch: Subject: [PATCH for-5.0] configure: Add -Werror to PIE probe Date: Wed, 1 Apr 2020 14:47:56 -0700 Message-Id: <20200401214756.6559-1-richard.hender...@linaro.org> which fixed the win mxe cross compile failures. > > Best, > Howard > > > >> On 4/2/20 11:28 AM, Howard Spoelstra wrote: >> > Hi, >> > >> > I just compiled qemu-system-ppc for Windows, using native msys2 on >> > Windows 10 64 bit and the 64 bit mingw cross compiler on Fedora 31. Both >> > create executables that crash: >> > >> > qemu-system-ppc.exe -L pc-bios -boot c -m 512 -M mac99,via=pmu -h >> > da C:\Mac-disks\9.2.img >> > Exception code=0xc0000005 flags=0x0 at 0x00007FFB2A602078. Access >> > violation - attempting to write data at address 0x00000000034C76EC >> > >> > I bisected this down to: >> > >> > d2cd29e30736afd4a1e8cac3cf4da360bbc65978 is the first bad commit >> > commit d2cd29e30736afd4a1e8cac3cf4da360bbc65978 >> > Author: Richard Henderson <richard.hender...@linaro.org >> > <mailto:richard.hender...@linaro.org>> >> > Date: Tue Dec 17 13:47:37 2019 -1000 >> > >> > configure: Do not force pie=no for non-x86 >> > >> > PIE is supported on many other hosts besides x86. >> > >> > The default for non-x86 is now the same as x86: pie is used >> > if supported, and may be forced via --enable/--disable-pie. >> > >> > The original commit (40d6444e91c) said: >> > >> > "Non-x86 are not changed, as they require TCG changes" >> > >> > but I think that's wrong -- there's nothing about PIE that >> > affects TCG one way or another. >> > >> > Tested on aarch64 (bionic) and ppc64le (centos 7) hosts. >> > >> > Tested-by: Alex Bennée <alex.ben...@linaro.org >> > <mailto:alex.ben...@linaro.org>> >> > Reviewed-by: Alex Bennée <alex.ben...@linaro.org >> > <mailto:alex.ben...@linaro.org>> >> > Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com >> > <mailto:phi...@redhat.com>> >> > Signed-off-by: Richard Henderson <richard.hender...@linaro.org >> > <mailto:richard.hender...@linaro.org>> >> > >> > Please note that I tried again after applying patch >> > https://patchwork.ozlabs.org/patch/1265368/ However, this has not >> solved >> > my issue. >> > >> > Best, >> > Howard >> > >> > >> >> -- Alex Bennée