Support building Emacs on MS-Windows using the Posix configury.

 lib/Makefile.am: If building for MS-Windows, include
 nt/gnulib.mk instead of lib/gnulib.mk.
 configure.ac: Adapt to MSYS build on MS-Windows.
 Makefile.in (NTDIR): New variable, for the MSYS build on
 MS-Windows.
 (SUBDIR): Add $(NTDIR).
 (.PHONY): Add epaths-force-w32.
 (msys_to_w32): New variable.
 (epaths-force-w32, install-nt, uninstall-nt): New targets.
 (lib-src src): Add $(NTLIB) to prerequisites.
 (lib lib-src lisp leim nt): Add 'nt'.
 (config.status): Use $(CFG).
 (.PHONY): Add install-$(NTDIR) and uninstall-$(NTDIR).
 (install, install-arch-dep): Add install-$(NTDIR).
 (uninstall): Depend on uninstall-$(NTDIR).
 (mostlyclean, clean, distclean, bootstrap-clean): Add 'nt'.
 * GNUmakefile (CFG): New variable, uses mingw-cfg.site as
 CONFIG_SITE for the MSYS build on MS-Windows.
 (Makefile): Use $(CFG).
 .bzrignore: Ignore *.res, *.tmp, and *.map.  Remove
 src/emacs.res.

 etc/NEWS: Advertise the MSYS build on MS-Windows.

 leim/Makefile.in (leim-list.el, check-declare): Use reveal-filename.

 lib-src/update-game-score.c [WINDOWSNT]: Include "ntlib.h".
 lib-src/ntlib.h (sleep): Update prototype.
 (geteuid): Add prototype.
 lib-src/ntlib.c (sleep): Now returns an unsigned value.
 (getgid): New function.
 lib-src/Makefile.in (CLIENTW, LIB_WSOCK32, LIBS_ECLIENT, NTLIB)
 (CLIENTRES, WINDRES, NTINC, NTDEPS): New variables.
 (INSTALLABLES): Add $(CLIENTW).
 (LIBS_MOVE): Use $(LIB_WSOCK32).
 ($(DESTDIR)${archlibdir}): Use $(EXEEXT) on update-game-score.
 (test-distrib${EXEEXT}): Use $(EXEEXT) on test-distrib.
 (etags${EXEEXT}, ebrowse${EXEEXT}, ctags${EXEEXT})
 (profile${EXEEXT}, make-docfile${EXEEXT}, movemail${EXEEXT})
 (emacsclient${EXEEXT}, hexl${EXEEXT}, update-game-score${EXEEXT}):
 Add $(NTLIB) to prerequisites.  Use $(EXEEXT).
 (pop.o): Add pop.h to prerequisites.
 (emacsclientw${EXEEXT}, ntlib.o): New targets.
 (emacsclient.res): New target.

 lisp/subr.el (reveal-filename): New function.
 lisp/loadup.el: Compute Emacs executable versions on MS-Windows,
 where executables have the .exe extension.  Add a hard link
 emacs-XX.YY.ZZ.exe on MS-Windows.
 lisp/Makefile.in (XARGS_LIMIT): New variable.
 (custom-deps, finder-data, autoloads)
 ($(MH_E_DIR)/mh-loaddefs.el, $(TRAMP_DIR)/tramp-loaddefs.el)
 ($(CAL_DIR)/cal-loaddefs.el, $(CAL_DIR)/diary-loaddefs.el)
 ($(CAL_DIR)/hol-loaddefs.el): Use reveal-filename.
 (compile-main): Limit xargs according to $(XARGS_LIMIT).

 nt/msysconfig.sh: New file.
 nt/mingw-cfg.site: New file.
 nt/makefile.w32-in (LOCAL_FLAGS): Add -DOLD_PATHS=1.
 nt/inc/unistd.h: Include pwd.h and sys/types.h.
 nt/inc/sys/time.h (_TIMEVAL_DEFINED, timerisset, timercmp)
 (timerclear): Define.
 (gettimeofday): Adjust signature to be Posix compatible, by using
 the 'restrict' keyword.
 nt/inc/sys/stat.h (UTIME_NOW, UTIME_OMIT): Define.
 (struct _stat, struct _stati64): Define.
 nt/inc/sys/socket.h (timeval): Define only for MSVC.
 (FD_SET, FD_CLR, FD_ISSET, fd_set): Redefine only if
 EMACS_CONFIG_H is defined.
 (timeval): Undefine only for MSVC.
 nt/inc/ms-w32.h (HAVE___BUILTIN_UNWIND_INIT, restrict)
 (HAVE_WINDOW_SYSTEM, HAVE_MENUS, EMACS_CONFIGURATION)
 (EMACS_CONFIG_OPTIONS, HAVE_LONG_LONG_INT)
 (HAVE_UNSIGNED_LONG_LONG_INT): Define only if not already defined.
 (fileno): Move definition after including stdio.h.
 (sigset_t): Guard typedef by _W64.
 nt/gnulib.mk: New file.
 nt/epaths.nt: New file.
 nt/addpm.c [!OLD_PATHS]: Include src/epaths.h, instead of having a
 copy of the file names there.
 <env_vars> [!OLD_PATHS]: Use macros from epaths.h instead of
 literal strings.
 nt/Makefile.in: New file.
 nt/INSTALL.MSYS: New file.
 nt/INSTALL: Mention INSTALL.MSYS.

 src/w32.c: Include epaths.h.
 (init_environment): Use cmdproxy.exe without leading directories.
 Support emacs.exe in src; point SHELL to cmdproxy in ../nt in that
 case.
 (gettimeofday): Adjust signature and return value to Posix
 expectations.
 src/unexw32.c (open_output_file): Delete the existing emacs.exe
 before creating it, to break the hard link to the versioned
 executable.
 src/Makefile.in (EMACS_MANIFEST, CM_OBJ, TEMACS_POST_LINK)
 (ADDSECTION, EMACS_HEAPSIZE, MINGW_TEMACS_POST_LINK)
 (FIRSTFILE_OBJ): New variables.
 (W32_RES): Rename to EMACSRES.  All users changed.
 (base_obj): Use $(CM_OBJ).
 (ALLOBJS): Use $(FIRSTFILE_OBJ).
 (emacs$(EXEEXT)): Depend on $(ADDSECTION).
 (temacs$(EXEEXT)): Use $(TEMACS_POST_LINK), and move
 $(W32_RES_LINK) before $(LIBES).
 (emacs.res): Depend on $(EMACS_MANIFEST).  Put emacs.rc in nt.

4 files changed, 59 insertions, 14 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index e6f56664a52..a33796ce24f 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,18 @@
+2013-05-16  Eli Zaretskii  <eliz@gnu.org>
+
+        * subr.el (reveal-filename): New function.
+
+        * loadup.el: Compute Emacs executable versions on MS-Windows,
+        where executables have the .exe extension.  Add a hard link
+        emacs-XX.YY.ZZ.exe on MS-Windows.
+
+        * Makefile.in (XARGS_LIMIT): New variable.
+        (custom-deps, finder-data, autoloads)
+        ($(MH_E_DIR)/mh-loaddefs.el, $(TRAMP_DIR)/tramp-loaddefs.el)
+        ($(CAL_DIR)/cal-loaddefs.el, $(CAL_DIR)/diary-loaddefs.el)
+        ($(CAL_DIR)/hol-loaddefs.el): Use reveal-filename.
+        (compile-main): Limit xargs according to $(XARGS_LIMIT).
+
 2013-05-16  Leo Liu  <sdl.web@gmail.com>
 
         * progmodes/octave.el (octave-indent-defun): Mark obsolete.
diff --git a/lisp/Makefile.in b/lisp/Makefile.in
index c8707df15df..138ad5abfa6 100644
--- a/lisp/Makefile.in
+++ b/lisp/Makefile.in
@@ -24,6 +24,10 @@ abs_top_builddir = @abs_top_builddir@
 lisp = $(srcdir)
 VPATH = $(srcdir)
 
+# Empty for all systems except MinGW, where xargs needs an explicit
+# limitation.
+XARGS_LIMIT = @XARGS_LIMIT@
+
 # You can specify a different executable on the make command line,
 # e.g. "make EMACS=../src/emacs ...".
 
@@ -160,21 +164,21 @@ $(lisp)/cus-load.el:
 custom-deps: doit
         cd $(lisp); $(setwins_almost); \
         echo Directories: $$wins; \
-        $(emacs) -l cus-dep --eval '(setq generated-custom-dependencies-file "$(lisp)/cus-load.el")' -f custom-make-dependencies $$wins
+        $(emacs) -l cus-dep --eval '(setq generated-custom-dependencies-file (reveal-filename "$(lisp)/cus-load.el"))' -f custom-make-dependencies $$wins
 
 $(lisp)/finder-inf.el:
         $(MAKE) $(MFLAGS) finder-data
 finder-data: doit
         cd $(lisp); $(setwins_almost); \
         echo Directories: $$wins; \
-        $(emacs) -l finder --eval '(setq generated-finder-keywords-file "$(lisp)/finder-inf.el")' -f finder-compile-keywords-make-dist $$wins
+        $(emacs) -l finder --eval '(setq generated-finder-keywords-file (reveal-filename "$(lisp)/finder-inf.el"))' -f finder-compile-keywords-make-dist $$wins
 
 # The chmod +w is to handle env var CVSREAD=1.
 autoloads: $(LOADDEFS) doit
         cd $(lisp) && chmod +w $(AUTOGEN_VCS)
         cd $(lisp); $(setwins_almost); \
         echo Directories: $$wins; \
-        $(emacs) -l autoload --eval '(setq generated-autoload-file "$(lisp)/loaddefs.el")' -f batch-update-autoloads $$wins
+        $(emacs) -l autoload --eval '(setq generated-autoload-file (reveal-filename "$(lisp)/loaddefs.el"))' -f batch-update-autoloads $$wins
 
 # This is required by the bootstrap-emacs target in ../src/Makefile, so
 # we know that if we have an emacs executable, we also have a subdirs.el.
@@ -274,7 +278,7 @@ compile-main: compile-clean
           test -f $$el || continue; \
           test ! -f $${el}c && GREP_OPTIONS= grep '^;.*no-byte-compile: t' $$el > /dev/null && continue; \
           echo "$${el}c"; \
-        done | xargs echo) | \
+        done | xargs $(XARGS_LIMIT) echo) | \
         while read chunk; do \
           $(MAKE) $(MFLAGS) compile-targets EMACS="$(EMACS)" TARGETS="$$chunk"; \
         done
@@ -369,7 +373,7 @@ mh-autoloads: $(MH_E_DIR)/mh-loaddefs.el
 $(MH_E_DIR)/mh-loaddefs.el: $(MH_E_SRC)
         $(emacs) -l autoload \
            --eval "(setq generate-autoload-cookie \";;;###mh-autoload\")" \
-           --eval "(setq generated-autoload-file \"$@\")" \
+           --eval "(setq generated-autoload-file (reveal-filename \"$@\"))" \
            --eval "(setq make-backup-files nil)" \
            -f batch-update-autoloads $(MH_E_DIR)
 
@@ -387,7 +391,7 @@ TRAMP_SRC = $(TRAMP_DIR)/tramp.el    $(TRAMP_DIR)/tramp-adb.el	\
 $(TRAMP_DIR)/tramp-loaddefs.el: $(TRAMP_SRC)
         $(emacs) -l autoload \
            --eval "(setq generate-autoload-cookie \";;;###tramp-autoload\")" \
-           --eval "(setq generated-autoload-file \"$@\")" \
+           --eval "(setq generated-autoload-file (reveal-filename \"$@\"))" \
            --eval "(setq make-backup-files nil)" \
            -f batch-update-autoloads $(TRAMP_DIR)
 
@@ -409,21 +413,21 @@ CAL_SRC = $(CAL_DIR)/cal-bahai.el $(CAL_DIR)/cal-china.el  \
 $(CAL_DIR)/cal-loaddefs.el: $(CAL_SRC)
         $(emacs) -l autoload \
            --eval "(setq generate-autoload-cookie \";;;###cal-autoload\")" \
-           --eval "(setq generated-autoload-file \"$@\")" \
+           --eval "(setq generated-autoload-file (reveal-filename \"$@\"))" \
            --eval "(setq make-backup-files nil)" \
            -f batch-update-autoloads $(CAL_DIR)
 
 $(CAL_DIR)/diary-loaddefs.el: $(CAL_SRC)
         $(emacs) -l autoload \
            --eval "(setq generate-autoload-cookie \";;;###diary-autoload\")" \
-           --eval "(setq generated-autoload-file \"$@\")" \
+           --eval "(setq generated-autoload-file (reveal-filename \"$@\"))" \
            --eval "(setq make-backup-files nil)" \
            -f batch-update-autoloads $(CAL_DIR)
 
 $(CAL_DIR)/hol-loaddefs.el: $(CAL_SRC)
         $(emacs) -l autoload \
            --eval "(setq generate-autoload-cookie \";;;###holiday-autoload\")" \
-           --eval "(setq generated-autoload-file \"$@\")" \
+           --eval "(setq generated-autoload-file (reveal-filename \"$@\"))" \
            --eval "(setq make-backup-files nil)" \
            -f batch-update-autoloads $(CAL_DIR)
 
diff --git a/lisp/loadup.el b/lisp/loadup.el
index a2e0d8ecec5..5764cdec7eb 100644
--- a/lisp/loadup.el
+++ b/lisp/loadup.el
@@ -290,9 +290,12 @@
              (equal (nth 4 command-line-args) "dump"))
          (not (eq system-type 'ms-dos)))
     (let* ((base (concat "emacs-" emacs-version "."))
+           (exelen (if (eq system-type 'windows-nt) -4))
            (files (file-name-all-completions base default-directory))
-           (versions (mapcar (function (lambda (name)
-                                         (string-to-number (substring name (length base)))))
+           (versions (mapcar (function
+                              (lambda (name)
+                                (string-to-number
+                                 (substring name (length base) exelen))))
                              files)))
       (setq emacs-bzr-version (condition-case nil (emacs-bzr-get-version)
                               (error nil)))
@@ -376,18 +379,25 @@
       (dump-emacs "emacs" "temacs")
       (message "%d pure bytes used" pure-bytes-used)
       ;; Recompute NAME now, so that it isn't set when we dump.
-      (if (not (or (memq system-type '(ms-dos windows-nt))
+      (if (not (or (eq system-type 'ms-dos)
                    ;; Don't bother adding another name if we're just
                    ;; building bootstrap-emacs.
                    (equal (nth 3 command-line-args) "bootstrap")
                    (equal (nth 4 command-line-args) "bootstrap")))
-          (let ((name (concat "emacs-" emacs-version)))
+          (let ((name (concat "emacs-" emacs-version))
+                (exe (if (eq system-type 'windows-nt) ".exe" "")))
             (while (string-match "[^-+_.a-zA-Z0-9]+" name)
               (setq name (concat (downcase (substring name 0 (match-beginning 0)))
                                  "-"
                                  (substring name (match-end 0)))))
+            (setq name (concat name exe))
             (message "Adding name %s" name)
-            (add-name-to-file "emacs" name t)))
+            ;; When this runs on Windows, invocation-directory is not
+            ;; necessarily the current directory.
+            (add-name-to-file (expand-file-name (concat "emacs" exe)
+                                                invocation-directory)
+                              (expand-file-name name invocation-directory)
+                              t)))
       (kill-emacs)))
 
 ;; For machines with CANNOT_DUMP defined in config.h,
diff --git a/lisp/subr.el b/lisp/subr.el
index 177e9a84a58..9bf11a13ef6 100644
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -4678,4 +4678,20 @@ as alpha versions."
                           (prin1-to-string (make-hash-table)))))
   (provide 'hashtable-print-readable))
 
+;; This is used in lisp/Makefile.in and in leim/Makefile.in to
+;; generate file names for autoloads, custom-deps, and finder-data.
+(defun reveal-filename (file)
+  "Produce the real file name for FILE.
+
+On systems other than MS-Windows, just returns FILE.
+On MS-Windows, converts /d/foo/bar form of file names
+passed by MSYS Make into d:/foo/bar that Emacs can grok.
+
+This function is called from lisp/Makefile."
+  (when (and (eq system-type 'windows-nt)
+             (string-match "\\`/[a-zA-Z]/" file))
+    (setq file (concat (substring file 1 2) ":" (substring file 2))))
+  file)
+
+
 ;;; subr.el ends here