On Jul 6 10:14, Josh Thompson wrote: > > > On Monday, June 22, 2020 4:11:35 PM EDT Ken Brown wrote: > > > > On 6/15/2020 12:21 PM, Josh Thompson wrote: > > > > [...] > > > > > 3.1.4: > > > > > $ cmd.exe /c "echo \"" > > > > > " > > > > > > > > > > 3.1.5: > > > > > $ cmd.exe /c "echo \"" > > > > > \" > > > > [...] > > > > After installing the rebuilt 3.1.4, however, the cmd.exe call above > > > > exhibits the "3.1.5" behavior rather than the "3.1.4" behavior. I > > > > can't see anything in the patches that would explain this. I thought > > > > maybe it was a compiler optimization problem, but rebuilding without > > > > optimization doesn't change anything. > > > [...] > > > It sounds like it will be difficult to change the quote behavior. So, > > > we'll work to get VCL updated to handle the new behavior. > > > > I have a fix for that. It's a long standing bug, a buffer overrun, > > which seem to have had no effect pre-3.1.5 only because the older GCC > > toolchain had a subtily different stack allocation strategy. > > > > I uploaded developer snapshots to https://cygwin.com/snapshots/ > > for testing. Please give this a try and report back. > > > > If this fixes your problem, the bug is serious enough to qualify for > > a Cygwin 3.1.6 RSN. > > Thank you for this! I can confirm that replacing cygwin1.dll with the > cygwin1-20200706.dll that you uploaded to the snapshot site fixes the quote > issue. > > I upgraded an installation I had to 3.1.5-1 and tested that I was seeing the > problem by running > > cmd.exe /c "echo \"" > \" > > Next, I downloaded, uncompressed, and overwrote cygwin1.dll with > cygwin1-20200706.dll and tested again > > cmd.exe /c "echo \"" > " > > Great job working through that issue.
Thanks for testing and confirming. Expect 3.1.6 in the next couple of days. Thanks, Corinna -- Corinna Vinschen Cygwin Maintainer -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple