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This avoids a gcc warning in some configurations.

(set_menu_bar_lines, x_get_resource_string): New decls.
* msdos.c (set_menu_bar_lines): Omit decl.

(pcase-mutually-exclusive-predicates): New var.
(pcase--split-consp, pcase--split-pred): Use it.
(pcase--split-equal, pcase--split-member): When splitting against
a pure predicate, run it to know the outcome.
(pcase--u1): Mark vars that are actually used.
(pcase--q1): Avoid introducing unused vars.

It's always given int values and used as an int.  This suppresses
a gcc "comparison of unsigned expression >= 0" warning in some
configurations.

instead of `calc-ul-prefix-help'.

* calc/calc-math.el (calcFunc-log10): Don't signal an error in symbolic
mode.

* calc/calc-vec.el (calcFunc-subscr): Don't do anything if the first
argument is a variable.

(update_text_area, scrolling_window, update_frame_1): Rename locals.

(adjust_frame_glyphs_for_window_redisplay): Make 'w' local to the
contexts that actually need it.

(copy_glyph_row_contents): Remove; not used.
(frame_row_to_window, check_current_matrix_flags):
(window_change_signal): Now static, since they're not used elsewhere.
(check_current_matrix_flags): Surround with "#if 0", since its
only use is in a comment.  Maybe both the comment and the "#if 0"
stuff should be removed?

(aput, adelete, amake): Replace `eval' -> `symbol-value'.
Suggested by Michael Heerdegen <michael_heerdegen@web.de>.

Fixes: debbugs:8126

 nt/config.nt (nlink_t): Define.

 msdos/sedlibmk.inp (BITSIZEOF_PTRDIFF_T, BITSIZEOF_SIG_ATOMIC_T)
 (BITSIZEOF_SIZE_T, BITSIZEOF_WCHAR_T)
 (BITSIZEOF_WINT_TGNULIB_FCHMODAT, GNULIB_FSTATAT, GNULIB_FUTIMENS)
 (GNULIB_LCHMOD, GNULIB_LSTAT, GNULIB_MBTOWC, GNULIB_MKDIRAT)
 (GNULIB_MKFIFO, GNULIB_MKFIFOAT, GNULIB_MKNOD, GNULIB_MKNODAT)
 (GNULIB_STAT, GNULIB_UTIMENSAT, GNULIB_WCTOMB, HAVE_FCHMODAT)
 (HAVE_FSTATAT, HAVE_FUTIMENS, HAVE_INTTYPES_H, HAVE_LCHMOD)
 (HAVE_LONG_LONG_INT, HAVE_LSTAT, HAVE_MKDIRAT, HAVE_MKFIFO)
 (HAVE_MKFIFOAT, HAVE_MKNOD, HAVE_MKNODAT)
 (HAVE_SIGNED_SIG_ATOMIC_T, HAVE_SIGNED_WCHAR_T)
 (HAVE_SIGNED_WINT_T, HAVE_STDINT_H, HAVE_SYS_BITYPES_H)
 (HAVE_SYS_INTTYPES_H, HAVE_SYS_TYPES_H)
 (HAVE_UNSIGNED_LONG_LONG_INT, HAVE_UTIMENSAT, HAVE_WCHAR_H)
 (MKDIR_P, NEXT_AS_FIRST_DIRECTIVE_STDINT_H)
 (NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H, NEXT_STDINT_H)
 (NEXT_SYS_STAT_H, REPLACE_LSTAT, REPLACE_MBTOWC, REPLACE_MKDIR)
 (REPLACE_MKFIFO, REPLACE_MKNOD, REPLACE_STAT, REPLACE_UTIMENSAT)
 (REPLACE_WCTOMB, SIG_ATOMIC_T_SUFFIX, SIZE_T_SUFFIX, STDINT_H)
 (WCHAR_T_SUFFIX, WINT_T_SUFFIX, APPLE_UNIVERSAL_BUILD): New edits.
 ($(MKDIR_P)): Replace with equivalent DOS command.
 (gl_LIBOBJS): Add md5.o and filemode.o.
 msdos/sed2v2.inp (BITSIZEOF_PTRDIFF_T, BITSIZEOF_SIG_ATOMIC_T)
 (BITSIZEOF_SIZE_T, BITSIZEOF_WCHAR_T, BITSIZEOF_WINT_T)
 (HAVE_LONG_LONG_INT, HAVE_SIGNED_SIG_ATOMIC_T, HAVE_SIGNED_WINT_T)
 (HAVE_UNSIGNED_LONG_LONG_INT, HAVE_WCHAR_H, HAVE_INTTYPES_H): New
 edits.
 msdos/depfiles.bat: Create a dummy .Po file only if a file by the same
 name does not already exist in the deps/ subdirectory.
 .bzrignore: Ignore new lib/*.in-h files.
 config.bat: Rename stdint.in.h and sys_stat.in.h.  Call
 depfiles.bat even if lib/deps already exist.
 src/s/msdos.h (HAVE_LSTAT): Define for DJGPP >= 2.04.
 (lstat): Define for DJGPP < 2.04.

 msdos/sedlib.mk (APPLE_UNIVERSAL_BUILD): New edit.
 (gl_LIBOBJS): Add md5.o and filemode.o.

 src/s/msdos.h (HAVE_LSTAT): Define for DJGPP >= 2.04.
 (lstat): Define for DJGPP < 2.04.
 msdos/sedlibmk.inp (BITSIZEOF_PTRDIFF_T, BITSIZEOF_SIG_ATOMIC_T)
 (BITSIZEOF_SIZE_T, BITSIZEOF_WCHAR_T)
 (BITSIZEOF_WINT_TGNULIB_FCHMODAT, GNULIB_FSTATAT, GNULIB_FUTIMENS)
 (GNULIB_LCHMOD, GNULIB_LSTAT, GNULIB_MBTOWC, GNULIB_MKDIRAT)
 (GNULIB_MKFIFO, GNULIB_MKFIFOAT, GNULIB_MKNOD, GNULIB_MKNODAT)
 (GNULIB_STAT, GNULIB_UTIMENSAT, GNULIB_WCTOMB, HAVE_FCHMODAT)
 (HAVE_FSTATAT, HAVE_FUTIMENS, HAVE_INTTYPES_H, HAVE_LCHMOD)
 (HAVE_LONG_LONG_INT, HAVE_LSTAT, HAVE_MKDIRAT, HAVE_MKFIFO)
 (HAVE_MKFIFOAT, HAVE_MKNOD, HAVE_MKNODAT)
 (HAVE_SIGNED_SIG_ATOMIC_T, HAVE_SIGNED_WCHAR_T)
 (HAVE_SIGNED_WINT_T, HAVE_STDINT_H, HAVE_SYS_BITYPES_H)
 (HAVE_SYS_INTTYPES_H, HAVE_SYS_TYPES_H)
 (HAVE_UNSIGNED_LONG_LONG_INT, HAVE_UTIMENSAT, HAVE_WCHAR_H)
 (MKDIR_P, NEXT_AS_FIRST_DIRECTIVE_STDINT_H)
 (NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H, NEXT_STDINT_H)
 (NEXT_SYS_STAT_H, REPLACE_LSTAT, REPLACE_MBTOWC, REPLACE_MKDIR)
 (REPLACE_MKFIFO, REPLACE_MKNOD, REPLACE_STAT, REPLACE_UTIMENSAT)
 (REPLACE_WCTOMB, SIG_ATOMIC_T_SUFFIX, SIZE_T_SUFFIX, STDINT_H)
 (WCHAR_T_SUFFIX, WINT_T_SUFFIX): New edits.
 ($(MKDIR_P)): Replace with equivalent DOS command.
 msdos/sed2v2.inp (BITSIZEOF_PTRDIFF_T, BITSIZEOF_SIG_ATOMIC_T)
 (BITSIZEOF_SIZE_T, BITSIZEOF_WCHAR_T, BITSIZEOF_WINT_T)
 (HAVE_LONG_LONG_INT, HAVE_SIGNED_SIG_ATOMIC_T, HAVE_SIGNED_WINT_T)
 (HAVE_UNSIGNED_LONG_LONG_INT, HAVE_WCHAR_H, HAVE_INTTYPES_H): New
 edits.

 config.bat: Rename stdint.in.h and sys_stat.in.h.  Call
 depfiles.bat even if lib/deps already exist.
 msdos/depfiles.bat: Create a dummy .Po file only if a file by the same
 name does not already exist in the deps/ subdirectory.

 lib-src/Makefile.in (fakemail${EXEEXT}): Depend on lib/ignore-value.h.

 emacsclient.c (xstrdup) [WINDOWSNT]: Function added back.
 (w32_getenv): Use xstrdup to return all values in malloc'ed
 storage.

to reader (and to the compiler) that the loop always executes at
least once.  This prevents a warning with recent GCC.

(put_line): Explicitly ignore fwrite return value, for benefit of
recent glibc + gcc.
(close_the_streams): Diagnose output errors instead of merely
exiting with nonzero status.
(my_fclose, main): Diagnose input errors, and exit with nonzero status.
Formerly, input errors were silently ignored.

All callers changed.  This is cleaner, and avoids GCC warnings about
passing NULL to fputs.

(set_local_socket, main): Use it to suppress warnings with
GCC -Wuninitialized.

(get_current_dir_name, w32_getenv, get_server_config, find_tty):
(set_local_socket, main):
Use const char *, not char *, for pointers that are not assigned
through.

auth-source.el (auth-source-search): Cache empty result sets.
password-cache.el (password-in-cache-p): Convenience function to check if a key is in the cache, even if the value is nil.

(message, socket_status, start_daemon_and_retry_set_socket):
Rename locals.
(main): Move decl of "i".

This avoids an unused-macro warning with some GCC settings.

more accurate and to avoid a GCC -Wuninitialized diagnostic.

to avoid a GCC "assignment discards qualifiers" diagnostic
in some configurations.

* emacs-lisp/package-x.el (package--archive-contents-from-url)
(package--archive-contents-from-file): New functions.
(package-update-news-on-upload): New var.
(package-upload-buffer-internal): Extract archive-contents from
package-archive-upload-base if it is not found at archive-url.
Obey package-update-news-on-upload.
(package-upload-buffer, package-upload-file): Doc fix.

auth-source.el (auth-source-save-behavior): New variable to replace `auth-source-never-create'.
 (auth-source-netrc-create): Use it.
 (auth-source-never-save): Remove.
nnimap.el (nnimap-stream): Doc fix.
 (nnimap-open-connection-1): Reverse the order of the ports to that the prompted-for port is first.
gnus-start.el (gnus-get-unread-articles): Don't clobber the async retrieval by the no-group selection.
gnus-demon.el (gnus-demon-init): run-with-timer should be called with numerical parameters.
auth-source.el (auth-source-creation-prompts): New variable to manage creation-time prompts.
 (auth-source-search): Document it.
 (auth-source-format-prompt): Add utility function.
 (auth-source-netrc-create): Don't default the user name to user-login-name.  Use `auth-source-creation-prompts' and some default prompts for user, host, port, and password (the default generic prompt remains ugly).
 (auth-source-never-save): Add customizable option to never save info.
 (auth-source-netrc-create): Use it and improve save prompts.  Fix help mode excursion.