* configure.in (LD_SWITCH_SYSTEM): Set with configure, not cpp.
Merges logic from src/s/* and src/Makefile.in.
(LD_SWITCH_SYSTEM_TEMACS): New output variable.
* src/Makefile.in (LD_SWITCH_SYSTEM): Set with configure, not cpp.
(LD_SWITCH_SYSTEM_EXTRA): New variable, set by configure.
(TEMACS_LDFLAGS): Use $LD_SWITCH_SYSTEM and $LD_SWITCH_SYSTEM_EXTRA,
move out of cpp section.
* src/s/freebsd.h (LD_SWITCH_SYSTEM):
* src/s/gnu-linux.h (LD_SWITCH_SYSTEM):
* src/s/netbsd.h (LD_SWITCH_SYSTEM):
* admin/CPP-DEFINES: Remove LD_SWITCH_SYSTEM.
* configure.in (LIBXTR6): New output variable. Move unixware special
case here from src/s/unixware.h.
* src/Makefile.in (LIBXTR6): Set with configure, not cpp.
* src/s/unixware.h (NEED_LIBW): Remove definition.
* admin/CPP-DEFINES: Remove NEED_LIBW.
* configure.in (HAVE_MOTIF_2_1): Remove unused variable.
(LIBXP): No longer substitute in Makefiles.
(MOTIF_LIBW): New output variable. Move system-specific settings here
from src/s files.
* src/Makefile.in (LIBXP): Remove, since included in MOTIF_LIBW.
(MOTIF_LIBW): Set with configure, not cpp.
* s/aix4-2.h (LIB_MOTIF):
* s/gnu-linux.h (LIB_MOTIF):
* s/unixware.h (LIB_MOTIF): Move to configure.in.
* admin/CPP-DEFINES: Remove LIB_MOTIF.
* Makefile.in (LIBX11_SYSTEM): Remove.
* s/msdos.h (LIBX11_SYSTEM): Do not define, define LIBS_SYSTEM
instead.
* configure.in: Remove all references to LIBX11_SYSTEM.
Remove Mail-Followup-To, since it is no longer set.
Mention replacement of addresses in new reports.
Mention bazaar --fixes.
Mention debbugs-submit administrivia setting.
Mention how to test Debbugs changes.
See http://lists.gnu.org/archive/html/emacs-devel/2009-12/msg00758.html
* emacs.c (REPORT_EMACS_BUG_PRETEST_ADDRESS): Set it to
bug-gnu-emacs rather than emacs-pretest-bug.
* mail/emacsbug.el (report-emacs-bug-pretest-address): Set
it to bug-gnu-emacs rather than emacs-pretest-bug.
* CONTRIBUTE, NEWS: Use bug-gnu-emacs rather than emacs-pretest-bug
for bug reports for development versions.
* trouble.texi (Checklist): Use bug-gnu-emacs rather than
emacs-pretest-bug for bug reports for development versions.
* emacs-pretesters, make-announcement: Use bug-gnu-emacs rather
than emacs-pretest-bug for bug reports for development versions.
* INSTALL.BZR, README: Use bug-gnu-emacs rather than emacs-pretest-bug
for bug reports for development versions.
