bug#26321: 25.1; (require 'package) takes minutes on Windows

[Geoffrey S. Knauth]

Additional backtrace information that might be useful, via M-x
toggle-debug-on-quit:

Debugger entered--Lisp error: (quit)
  
call-process("c:/Users/knauthg/AppData/Local/Programs/minghc-7.10.2-x86_64/git-2.4.5.1/usr/bin/gpg.exe"
  nil (t nil) nil "--with-colons" "--list-config")
  apply(call-process
  
"c:/Users/knauthg/AppData/Local/Programs/minghc-7.10.2-x86_64/git-2.4.5.1/usr/bin/gpg.exe"
  nil (t nil) nil ("--with-colons" "--list-config"))
  
epg-config--make-gpg-configuration("c:/Users/knauthg/AppData/Local/Programs/minghc-7.10.2-x86_64/git-2.4.5.1/usr/bin/gpg.exe")
  epg-find-configuration(OpenPGP)
  #[0 "\300\301!\205

On Fri, Mar 31, 2017, at 10:00, Geoffrey S. Knauth wrote:
> emacs -Q
> M-: (require 'package) RET
> 
> ;;; wait a couple of minutes, then finally the evaluation finishes:
> package
> 
> This only happens on Windows, and it only started happening a few weeks
> ago.  Before that, my Emacs experience on Windows was fine.
> 
> I do not see this problem on macOS or GNU/Linux.
> 
> -----
> 
> 
> 
> In GNU Emacs 25.1.1 (x86_64-w64-mingw32)
>  of 2016-11-15 built on LAPHROAIG
> Windowing system distributor 'Microsoft Corp.', version 6.3.9600
> Configured using:
>  'configure --without-dbus --without-compress-install 'CFLAGS=-O2
>  -static -g3''
> 
> Configured features:
> XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY ACL GNUTLS LIBXML2 ZLIB
> TOOLKIT_SCROLL_BARS
> 
> Important settings:
>   value of $LANG: ENU
>   locale-coding-system: cp1252
> 
> Major mode: Fundamental
> 
> Minor modes in effect:
>   tooltip-mode: t
>   global-eldoc-mode: t
>   electric-indent-mode: t
>   mouse-wheel-mode: t
>   tool-bar-mode: t
>   menu-bar-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   blink-cursor-mode: t
>   auto-composition-mode: t
>   auto-encryption-mode: t
>   auto-compression-mode: t
>   buffer-read-only: t
>   line-number-mode: t
>   transient-mark-mode: t
> 
> Recent messages:
> For information about GNU Emacs and the GNU system, type C-h C-a.
> Quit
> package
> 
> Load-path shadows:
> None found.
> 
> Features:
> (shadow sort mail-extr emacsbug message dired format-spec rfc822 mml
> mml-sec password-cache epg gnus-util mm-decode mm-bodies mm-encode
> mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047
> rfc2045 ietf-drums mm-util help-fns mail-prsvr mail-utils package
> epg-config seq byte-opt gv bytecomp byte-compile cl-extra help-mode
> easymenu cconv cl-loaddefs pcase cl-lib time-date mule-util tooltip
> eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel
> dos-w32 ls-lisp disp-table w32-win w32-vars term/common-win tool-bar dnd
> fontset image regexp-opt fringe tabulated-list newcomment elisp-mode
> lisp-mode prog-mode register page menu-bar rfn-eshadow timer select
> scroll-bar mouse jit-lock font-lock syntax facemenu font-core frame
> cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai
> tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian
> slovak czech european ethiopic indian cyrillic chinese charscript
> case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer
> cl-preloaded nadvice loaddefs button faces cus-face macroexp files
> text-properties overlay sha1 md5 base64 format env code-pages mule
> custom widget hashtable-print-readable backquote w32notify w32 multi-tty
> make-network-process emacs)
> 
> Memory information:
> ((conses 16 97731 8404)
>  (symbols 56 20513 0)
>  (miscs 48 89 140)
>  (strings 32 19300 5252)
>  (string-bytes 1 561490)
>  (vectors 16 13463)
>  (vector-slots 8 442515 4880)
>  (floats 8 181 46)
>  (intervals 56 280 47)
>  (buffers 976 19))


-- 
Geoffrey S. Knauth | http://knauth.org/gsk