Replace use of VPATH in most doc/ Makefiles.

* doc/lispref/Makefile.in (VPATH): Remove.
(infodir): Make it absolute.
(mkinfodir, $(infodir)/elisp, infoclean): No need to cd $srcdir.

* doc/lispintro/Makefile.in (VPATH): Remove.
(infodir): Make it absolute.
(mkinfodir, $(infodir)/eintr, infoclean): No need to cd $srcdir.

* doc/emacs/Makefile.in (VPATH): Remove.
(infodir): Make it absolute.
(mkinfodir, $(infodir)/emacs, infoclean): No need to cd $srcdir.

* doc/misc/Makefile.in: Comment.

7 files changed, 29 insertions, 22 deletions

diff --git a/doc/emacs/ChangeLog b/doc/emacs/ChangeLog
index 6dc2ac11ed6..079ff94eb59 100644
--- a/doc/emacs/ChangeLog
+++ b/doc/emacs/ChangeLog
@@ -1,5 +1,9 @@
 2010-10-09  Glenn Morris  <rgm@gnu.org>
 
+	* Makefile.in (VPATH): Remove.
+	(infodir): Make it absolute.
+	(mkinfodir, $(infodir)/emacs, infoclean): No need to cd $srcdir.
+
 	* Makefile.in (dist): Anchor regexps.
 
 	* Makefile.in (EMACSSOURCES): Put emacs.texi first.
diff --git a/doc/emacs/Makefile.in b/doc/emacs/Makefile.in
index 61c8763aad8..d550a10b66a 100644
--- a/doc/emacs/Makefile.in
+++ b/doc/emacs/Makefile.in
@@ -25,9 +25,6 @@ SHELL = /bin/sh
 # of the source tree.  This is set by configure's `--srcdir' option.
 srcdir=@srcdir@
 
-# Tell make where to find source files; this is needed for the makefiles.
-VPATH=@srcdir@
-
 # Only for make dist.
 version=@version@
 
@@ -35,10 +32,8 @@ version=@version@
 ## Note that the setfilename command in the .texi files assumes this.
 ## This is a bit funny.  Because the info files are in the
 ## distribution tarfiles, they are always made in $scrdir/../../info,
-## even for out-of-tree builds.  So infodir is really relative to srcdir.
-## The use of VPATH makes it work out, but why not set
-## infodir = $(srcdir)/../../info and make it explicit?
-infodir=../../info
+## even for out-of-tree builds.
+infodir = $(srcdir)/../../info
 # Directory with the (customized) texinfo.tex file.
 texinfodir = $(srcdir)/../misc
 
@@ -121,7 +116,7 @@ EMACSSOURCES= \
 ## repository and the release tarfiles.  We do not use any
 ## equivalent of mkdir -p/mkinstalldirs, so this is not a general
 ## solution anyway.  The second test -d is for parallel builds.
-mkinfodir = @cd ${srcdir}; test -d ${infodir} || mkdir ${infodir} || test -d ${infodir}
+mkinfodir = @test -d ${infodir} || mkdir ${infodir} || test -d ${infodir}
 
 .PHONY: info dvi pdf
 
@@ -135,7 +130,7 @@ pdf: emacs.pdf
 
 $(infodir)/emacs: ${EMACSSOURCES}
 	$(mkinfodir)
-	cd $(srcdir); $(MAKEINFO) $< -o $@
+	$(MAKEINFO) $< -o $@
 
 emacs.dvi: ${EMACSSOURCES}
 	$(ENVADD) $(TEXI2DVI) $<
@@ -166,7 +161,7 @@ distclean: clean
 
 ## In the standalone tarfile, the clean rule runs this.
 infoclean:
-	-cd $(srcdir) && cd $(infodir) && rm -f emacs emacs-[1-9] emacs-[1-9][0-9]
+	-cd $(infodir) && rm -f emacs emacs-[1-9] emacs-[1-9][0-9]
 
 maintainer-clean: distclean infoclean
 
diff --git a/doc/lispintro/ChangeLog b/doc/lispintro/ChangeLog
index bfeb61dd0d0..b3ae80095ae 100644
--- a/doc/lispintro/ChangeLog
+++ b/doc/lispintro/ChangeLog
@@ -1,5 +1,9 @@
 2010-10-09  Glenn Morris  <rgm@gnu.org>
 
+	* Makefile.in (VPATH): Remove.
+	(infodir): Make it absolute.
+	(mkinfodir, $(infodir)/eintr, infoclean): No need to cd $srcdir.
+
 	* Makefile.in (dist): Anchor regexps.
 
 	* Makefile.in (${infodir}/eintr, emacs-lisp-intro.dvi)
diff --git a/doc/lispintro/Makefile.in b/doc/lispintro/Makefile.in
index c30bf557eed..622b1236bca 100644
--- a/doc/lispintro/Makefile.in
+++ b/doc/lispintro/Makefile.in
@@ -22,10 +22,9 @@
 SHELL = /bin/sh
 
 srcdir = @srcdir@
-VPATH = @srcdir@
 version=@version@
 
-infodir = ../../info
+infodir = $(srcdir)/../../info
 # Directory with the (customized) texinfo.tex file.
 texinfodir = $(srcdir)/../misc
 
@@ -34,7 +33,7 @@ TEXI2DVI = texi2dvi
 TEXI2PDF = texi2pdf
 DVIPS = dvips
 
-mkinfodir = @cd ${srcdir}; test -d ${infodir} || mkdir ${infodir} || test -d ${infodir}
+mkinfodir = @test -d ${infodir} || mkdir ${infodir} || test -d ${infodir}
 
 .SUFFIXES: .dvi .ps .texi
 
@@ -50,7 +49,7 @@ pdf: emacs-lisp-intro.pdf
 # -NN extensions to fit into DOS 8+3 limits without clashing.
 ${infodir}/eintr: ${srcdir}/emacs-lisp-intro.texi
 	$(mkinfodir)
-	cd $(srcdir); $(MAKEINFO) $< -o $@
+	$(MAKEINFO) $< -o $@
 
 emacs-lisp-intro.dvi: ${srcdir}/emacs-lisp-intro.texi
 	$(TEXI2DVI) -I $(srcdir) -I $(texinfodir) $<
@@ -78,7 +77,7 @@ clean: mostlyclean
 distclean: clean
 
 infoclean:
-	-cd $(srcdir) && cd $(infodir) && rm -f eintr eintr-[1-9]
+	-cd $(infodir) && rm -f eintr eintr-[1-9]
 
 maintainer-clean: distclean infoclean
 
diff --git a/doc/lispref/ChangeLog b/doc/lispref/ChangeLog
index 28b7b0b3181..512e71313d2 100644
--- a/doc/lispref/ChangeLog
+++ b/doc/lispref/ChangeLog
@@ -1,5 +1,9 @@
 2010-10-09  Glenn Morris  <rgm@gnu.org>
 
+	* Makefile.in (VPATH): Remove.
+	(infodir): Make it absolute.
+	(mkinfodir, $(infodir)/elisp, infoclean): No need to cd $srcdir.
+
 	* Makefile.in (dist): Anchor regexps.
 
 	* Makefile.in (srcs): Put elisp.texi first.
diff --git a/doc/lispref/Makefile.in b/doc/lispref/Makefile.in
index 9e12d9d188e..d79bec5e4a2 100644
--- a/doc/lispref/Makefile.in
+++ b/doc/lispref/Makefile.in
@@ -24,12 +24,9 @@ SHELL = /bin/sh
 # Standard configure variables.
 srcdir = @srcdir@
 
-# Tell make where to find source files; this is needed for the makefiles.
-VPATH=@srcdir@
-
 version=@version@
 
-infodir = ../../info
+infodir = $(srcdir)/../../info
 # Directory with the (customized) texinfo.tex file.
 texinfodir = $(srcdir)/../misc
 # Directory with emacsver.texi.
@@ -96,7 +93,7 @@ srcs = \
   $(srcdir)/gpl.texi \
   $(srcdir)/doclicense.texi
 
-mkinfodir = @cd ${srcdir}; test -d ${infodir} || mkdir ${infodir} || test -d ${infodir}
+mkinfodir = @test -d ${infodir} || mkdir ${infodir} || test -d ${infodir}
 
 .PHONY: info dvi pdf
 
@@ -107,7 +104,7 @@ pdf: elisp.pdf
 
 $(infodir)/elisp: $(srcs)
 	$(mkinfodir)
-	cd $(srcdir); $(MAKEINFO) -I. -I$(texinfodir) $< -o $@
+	$(MAKEINFO) -I. -I$(texinfodir) $< -o $@
 
 elisp.dvi: $(srcs)
 	$(TEXI2DVI) -I $(srcdir) -I $(texinfodir) $<
@@ -130,7 +127,7 @@ clean: mostlyclean
 distclean: clean
 
 infoclean:
-	-cd $(srcdir) && cd $(infodir) && rm -f elisp elisp-[1-9] elisp-[1-9][0-9]
+	-cd $(infodir) && rm -f elisp elisp-[1-9] elisp-[1-9][0-9]
 
 maintainer-clean: distclean infoclean
 
diff --git a/doc/misc/Makefile.in b/doc/misc/Makefile.in
index 023831b9366..96ae65e81c1 100644
--- a/doc/misc/Makefile.in
+++ b/doc/misc/Makefile.in
@@ -27,6 +27,10 @@ SHELL = /bin/sh
 srcdir=@srcdir@
 
 # Tell make where to find source files; this is needed for the makefiles.
+# Note the other doc Makefiles do not use VPATH anymore, instead
+# they set infodir to an absolute path.  Not doing that here in
+# case INFO_TARGETS gets too long for some feeble shells.
+# (cf src/Makefile.in's shortlisp)
 VPATH=@srcdir@
 
 ## Where the output files go.