On 05/06/17 22:05, Ævar Arnfjörð Bjarmason wrote: > On Mon, Jun 5, 2017 at 10:34 PM, Adam Dinwoodie <adam@xxxxxxxxxxxxx> wrote: >> I'm trying to compile Git v2.13.1 to release for Cygwin, but it appears >> a010391 ("sha1dc: update from upstream", 2017-05-20) is breaking a very >> significant number of test cases in both 32-bit and 64-bit Cygwin >> builds. >> >> The first failure is t0000.46 "validate object ID of a known tree"; output with >> -x and -v is below, although it's not very interesting: >> >> expecting success: >> test "$tree" = 7bb943559a305bdd6bdee2cef6e5df2413c3d30a >> >> ++ test ceb282701536fe61bea01075664405caa7d6343f = 7bb943559a305bdd6bdee2cef6e5df2413c3d30a >> + test_eval_ret_=1 >> + want_trace >> + test t = t >> + test t = t >> + set +x >> error: last command exited with $?=1 >> not ok 46 - validate object ID of a known tree >> # >> # test "$tree" = 7bb943559a305bdd6bdee2cef6e5df2413c3d30a >> # >> >> I have no idea where to even begin debugging this, but I'm happy to take >> pointers / try things out on my box. > > That looks scary, can you please comment out this: > > #define SHA1DC_ALLOW_UNALIGNED_ACCESS No, that doesn't fix it. > > In sha1dc/sha1.c and see if that helps, alternatively comment out the > ifdefs guarded by "#ifdef _MSC_VER" calls in sha1dc/sha1.c This can't possibly make a difference! ;-) However, rebuilding with: $ make OPENSSL_SHA1=YesPlease >out2 2>&1 ... make t0000-basic.sh pass just fine, so ... ATB, Ramsay Jones