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(preprep, $(TRES), runemacs)
($(BLD)/addpm.$(O), $(BLD)/ddeclient.$(O), $(BLD)/runemacs.$(O))
($(BLD)/cmdproxy.$(O), (BLD)/addsection.$(O), $(BLD)/preprep.$(O)):
Depend on stamp_BLD instead of on $(BLD).
(XMFLAGS): New macro.
(all-other-dirs-nmake, all-other-dirs-gmake, recompile-nmake)
(recompile-gmake, bootstrap-gmake, bootstrap-clean-gmake)
(install-other-dirs-gmake, info-gmake, clean-other-dirs-gmake)
(cleanall-other-dirs-gmake): Pass $(XMFLAGS) to sub-Make.

Remove unused variable sec_desc.

already exist from a previous version.

(DEBUG_FLAG, DEBUG_LINK): Upgrade to "-gstabs+ -g3".

* Makefile.in (AUTOCONF_INPUTS): New macro.
($(srcdir)/configure, $(srcdir)/src/stamp-h.in): Depend on it,
so that these files also depend on m4/getopt.m4.
* configure.in: Configure getopt by including m4/getopt.m4,
and configuring a getopt replacement if necessary.
* make-dist: Add m4 subdirectory.  Unlink lib-src/getopt.h.
* m4/getopt.m4: New file.

* lib-src/Makefile.in (mostlyclean): Remove getopt.h, getopt.h-t.
(GETOPT_H): New macro, from gnulib.
(getopt.h): New rule, from gnulib.
(GETOPTOBJS): Now autoconfigured.
(GETOPTDEPS): getopt.h is now autoconfigured.
(getopt.o, getopt1.o): Depend on $(GETOPT_H), not ${srcdir}/getopt.h.
(getopt.o): Depend on ${srcdir}/gettext.h.
(movemail.o): Depend on $(GETOPT_H).
* lib-src/getopt.c, lib-src/getopt1.c: Sync from gnulib.
* lib-src/getopt_.h, lib-src/getopt_int.h, lib-src/gettext.h:
New files, from gnulib.
* lib-src/getopt.h: Removed (now is getopt_.h).

* nt/inc/gettext.h: Remove; no longer needed now that
lib-src/gettext.h exists.

* src/s/cygwin.h (C_SWITCH_SYSTEM): Remove, since gettext.h is
now part of lib-src.

changes.  Add a pointer to another site with detailed configure
and build instructions.  Suggest to look at config.log when
configure fails.  Add MinGW Make 3.80 to the list of successful
combinations.

`verbose' arg to COPY_CHUNK only if DEBUG_DUMP is defined in the
environment.  Print section names with %.8s.
(COPY_CHUNK): New 4th arg `verbose'; print diagnostic messages
only if non-zero.  All callers changed.

(which contains building instructions for Windows).  Reword image library
instructions and remove obsolete incompatibility information.