Programs become a no-op [SOLVED]
Tue May 15 19:04:00 GMT 2018
Thanks Marco, David and Brian for your responses.
After the diagnostic steps described below, suggested by you, I ran the setup program and told it to reinstall cygwin, cygwin-base, and adwaita-icon-theme. ssh and man are working again.
I'm a little puzzled how I got in this state, although it's possible I ran setup while I had a terminal open. And I wonder why the setup program didn't reinstall the damaged packages itself, or at least complain about them (though there were some complaints--see last paragraph below).
Running strace ssh produced a popup
"The procedure entry point __memcpy_chk could not be located in the dynamic link library cygwin1.dll"
and cygcheck's output included
Package Version Status
_autorebase 001007-1 OK
Missing file: /usr/share/icons/Adwaita/icon-theme.cache from package adwaita-icon-theme
adwaita-icon-theme 3.26.1-1 Incomplete
alternatives 1.3.30c-10 OK
at-spi2-core 2.26.2-1 OK
base-cygwin 3.8-1 OK
base-files 4.2-4 OK
bash 4.4.12-3 OK
bzip2 1.0.6-3 OK
ca-certificates 2.22-1 OK
coreutils 8.26-2 OK
csih 0.9.9-1 OK
curl 7.59.0-1 OK
cygrunsrv 1.62-1 OK
cygutils 1.4.16-2 OK
Missing file: /usr/bin/gencat.exe from package cygwin
cygwin 2.10.0-1 Incomplete
Those were the only 2 Incomplete packages.
Finally, I've been getting errors from the post-installation that some packages were not setup, but since they all seemed to be graphical and I don't have cygwin/X installed I thought they were harmless. I guess they weren't. After the package reinstallation I get no such errors.
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