Merge branch 'maint'

* maint:
  install-mans: avoid spurious failure with NetBSD make
  install: don't create empty dirs when an empty 'foo_PRIMARY' is used
  aclocal: remove a couple of useless imports
  aclocal: create local directory where to install m4 files

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

10 files changed, 94 insertions, 27 deletions

diff --git a/lib/am/data.am b/lib/am/data.am
index 65ee63873..98a38a832 100644
--- a/lib/am/data.am
+++ b/lib/am/data.am
@@ -27,11 +27,14 @@ am__installdirs += "$(DESTDIR)$(%NDIR%dir)"
 .PHONY install-%EXEC?exec:data%-am: install-%DIR%%PRIMARY%
 install-%DIR%%PRIMARY%: $(%DIR%_%PRIMARY%)
 	@$(NORMAL_INSTALL)
-	test -z "$(%NDIR%dir)" || $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)"
 if %?BASE%
 ## Funny invocation because Makefile variable can be empty, leading to
 ## a syntax error in sh.
 	@list='$(%DIR%_%PRIMARY%)'; test -n "$(%NDIR%dir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)'"; \
+	  $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)' || exit 1; \
+	fi; \
 	for p in $$list; do \
 ## A file can be in the source directory or the build directory.
 	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
@@ -46,13 +49,17 @@ if %?BASE%
 	done
 else !%?BASE%
 	@list='$(%DIR%_%PRIMARY%)'; test -n "$(%NDIR%dir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)" || exit 1; \
+	fi; \
 	$(am__nobase_list) | while read dir files; do \
 	  xfiles=; for file in $$files; do \
 	    if test -f "$$file"; then xfiles="$$xfiles $$file"; \
 	    else xfiles="$$xfiles $(srcdir)/$$file"; fi; done; \
 	  test -z "$$xfiles" || { \
 	    test "x$$dir" = x. || { \
-	      echo "$(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)/$$dir'"; \
+	      echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)/$$dir'"; \
 	      $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)/$$dir"; }; \
 	    echo " $(INSTALL_%ONE_PRIMARY%) $$xfiles '$(DESTDIR)$(%NDIR%dir)/$$dir'"; \
 	    $(INSTALL_%ONE_PRIMARY%) $$xfiles "$(DESTDIR)$(%NDIR%dir)/$$dir" || exit $$?; }; \
diff --git a/lib/am/java.am b/lib/am/java.am
index 692824ea5..6c163b56f 100644
--- a/lib/am/java.am
+++ b/lib/am/java.am
@@ -47,11 +47,12 @@ am__installdirs += "$(DESTDIR)$(%NDIR%dir)"
 ?!EXEC?.PHONY install-data-am: install-%DIR%JAVA
 install-%DIR%JAVA: class%NDIR%.stamp
 	@$(NORMAL_INSTALL)
-	test -z "$(%NDIR%dir)" || $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)"
 ## A single .java file can be compiled into multiple .class files.  So
 ## we just install all the .class files that got built into this
 ## directory.  This is not optimal, but will have to do for now.
 	@test -n "$(%DIR%_JAVA)" && test -n "$(%NDIR%dir)" || exit 0; \
+	echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)'"; \
+	$(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)"; \
 	set x *.class; shift; test "$$1" != "*.class" || exit 0; \
 	echo " $(INSTALL_DATA)" "$$@" "'$(DESTDIR)$(%NDIR%dir)/$$p'"; \
 	$(INSTALL_DATA) "$$@" "$(DESTDIR)$(%NDIR%dir)"
diff --git a/lib/am/libs.am b/lib/am/libs.am
index d66473ffb..4006bd008 100644
--- a/lib/am/libs.am
+++ b/lib/am/libs.am
@@ -27,7 +27,6 @@ am__installdirs += "$(DESTDIR)$(%NDIR%dir)"
 .PHONY install-%EXEC?exec:data%-am: install-%DIR%LIBRARIES
 install-%DIR%LIBRARIES: $(%DIR%_LIBRARIES)
 	@$(NORMAL_INSTALL)
-	test -z "$(%NDIR%dir)" || $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)"
 if %?BASE%
 ## Funny invocation because Makefile variable can be empty, leading to
 ## a syntax error in sh.
@@ -38,18 +37,24 @@ if %?BASE%
 	  else :; fi; \
 	done; \
 	test -z "$$list2" || { \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)" || exit 1; \
 	  echo " $(INSTALL_DATA) $$list2 '$(DESTDIR)$(%NDIR%dir)'"; \
 	  $(INSTALL_DATA) $$list2 "$(DESTDIR)$(%NDIR%dir)" || exit $$?; }
 else !%?BASE%
 ## Funny invocation because Makefile variable can be empty, leading to
 ## a syntax error in sh.
 	@list='$(%DIR%_LIBRARIES)'; test -n "$(%NDIR%dir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)'"; \
+	  $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)' || exit 1; \
+	fi; \
 	$(am__nobase_list) | while read dir files; do \
 	  xfiles=; for p in $$files; do \
 	    if test -f "$$p"; then xfiles="$$xfiles $$p"; else :; fi; done; \
 	  test -z "$$xfiles" || { \
 	    test "x$$dir" = x. || { \
-	      echo "$(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)/$$dir'"; \
+	      echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)/$$dir'"; \
 	      $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)/$$dir"; }; \
 	    echo " $(INSTALL_DATA) $$xfiles '$(DESTDIR)$(%NDIR%dir)/$$dir'"; \
 	    $(INSTALL_DATA) $$xfiles "$(DESTDIR)$(%NDIR%dir)/$$dir" || exit $$?; }; \
diff --git a/lib/am/lisp.am b/lib/am/lisp.am
index 21d7f4877..ba5c92a90 100644
--- a/lib/am/lisp.am
+++ b/lib/am/lisp.am
@@ -89,11 +89,15 @@ install-%DIR%LISP: $(%DIR%_LISP) $(ELCFILES)
 	@$(NORMAL_INSTALL)
 ## Do not install anything if EMACS was not found.
 	@if test "$(EMACS)" != no && test -n "$(%NDIR%dir)"; then \
-	  $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)"; \
 ?!BASE?	  $(am__vpath_adj_setup) \
 ## Funny invocation because Makefile variable can be empty, leading to
 ## a syntax error in sh.
-	  list='$(%DIR%_LISP)'; for p in $$list; do \
+	  list='$(%DIR%_LISP)'; \
+	  if test -n "$$list"; then \
+	    echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)'"; \
+	    $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)" || exit 1; \
+	  fi; \
+	  for p in $$list; do \
 ## A lisp file can be in the source directory or the build directory.
 	    if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
 	    %BASE?$(am__strip_dir):$(am__vpath_adj)% \
diff --git a/lib/am/ltlib.am b/lib/am/ltlib.am
index ee20a90c0..10ce7ceb7 100644
--- a/lib/am/ltlib.am
+++ b/lib/am/ltlib.am
@@ -27,7 +27,6 @@ am__installdirs += "$(DESTDIR)$(%NDIR%dir)"
 .PHONY install-%EXEC?exec:data%-am: install-%DIR%LTLIBRARIES
 install-%DIR%LTLIBRARIES: $(%DIR%_LTLIBRARIES)
 	@$(NORMAL_INSTALL)
-	test -z "$(%NDIR%dir)" || $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)"
 if %?BASE%
 ## Funny invocation because Makefile variable can be empty, leading to
 ## a syntax error in sh.
@@ -38,6 +37,8 @@ if %?BASE%
 	  else :; fi; \
 	done; \
 	test -z "$$list2" || { \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)'"; \
+	  $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)' || exit 1; \
 ## Note that we explicitly set the libtool mode.  This avoids any lossage
 ## if the program doesn't have a name that libtool expects.
 ## Use INSTALL and not INSTALL_DATA because libtool knows the right
@@ -49,6 +50,10 @@ if %?BASE%
 	}
 else !%?BASE%
 	@list='$(%DIR%_LTLIBRARIES)'; test -n "$(%NDIR%dir)"  || list=; \
+	if test -n "$$list"; then \
+	    echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)'"; \
+	    $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)" || exit 1; \
+	fi; \
 	for p in $$list; do if test -f "$$p"; then echo "$$p $$p"; else :; fi; done | \
 	sed '/ .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
 	$(AWK) 'BEGIN { cur = "." } \
@@ -58,7 +63,7 @@ else !%?BASE%
 	while read dir files; do \
 	  test -z "$$files" || { \
 	    test "x$$dir" = x. || { \
-	      echo "$(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)/$$dir'"; \
+	      echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)/$$dir'"; \
 	      $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)/$$dir"; }; \
 ## Note that we explicitly set the libtool mode.  This avoids any lossage
 ## if the program doesn't have a name that libtool expects.
diff --git a/lib/am/mans.am b/lib/am/mans.am
index 5c563b3e9..bfc71dc99 100644
--- a/lib/am/mans.am
+++ b/lib/am/mans.am
@@ -30,16 +30,24 @@ man%SECTION%dir = $(mandir)/man%SECTION%
 .PHONY install-man: install-man%SECTION%
 install-man%SECTION%: %DEPS%
 	@$(NORMAL_INSTALL)
-	test -z "$(man%SECTION%dir)" || $(MKDIR_P) "$(DESTDIR)$(man%SECTION%dir)"
 if %?NOTRANS_MANS%
 ## Handle MANS with notrans_ prefix
-	@list='%NOTRANS_SECT_LIST%'; test -n "$(man%SECTION%dir)" || exit 0; \
-	{ for i in $$list; do echo "$$i"; done;  \
+	@list1='%NOTRANS_SECT_LIST%'; \
+?!HAVE_NOTRANS?	list2=''; \
+?HAVE_NOTRANS?	list2='%NOTRANS_LIST%'; \
+	test -n "$(man%SECTION%dir)" \
+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
+	echo " $(MKDIR_P) '$(DESTDIR)$(man%SECTION%dir)'"; \
+	$(MKDIR_P) "$(DESTDIR)$(man%SECTION%dir)" || exit 1; \
+	{ for i in $$list1; do echo "$$i"; done;  \
 ## Extract all items from notrans_man_MANS that should go in this section.
 ## This must be done dynamically to support conditionals.
-?HAVE_NOTRANS?	l2='%NOTRANS_LIST%'; for i in $$l2; do echo "$$i"; done | \
+	if test -n "$$list2"; then \
+	  for i in $$list2; do echo "$$i"; done \
 ## Accept for 'man1' files like 'foo.1c' but not 'sub.1/foo.2' or 'foo-2.1.4'.
-?HAVE_NOTRANS?	  sed -n '/\.%SECTION%[a-z]*$$/p'; \
+	    | sed -n '/\.%SECTION%[a-z]*$$/p'; \
+	fi; \
 ## Extract basename of manpage, change the extension if needed.
 	} | while read p; do \
 ## Find the file.
@@ -65,13 +73,22 @@ if %?NOTRANS_MANS%
 endif %?NOTRANS_MANS%
 if %?TRANS_MANS%
 ## Handle MANS without notrans_ prefix
-	@list='%TRANS_SECT_LIST%'; test -n "$(man%SECTION%dir)" || exit 0; \
-	{ for i in $$list; do echo "$$i"; done; \
+	@list1='%TRANS_SECT_LIST%'; \
+?!HAVE_TRANS?	list2=''; \
+?HAVE_TRANS?	list2='%TRANS_LIST%'; \
+	test -n "$(man%SECTION%dir)" \
+	  && test -n "`echo $$list1$$list2`" \
+	  || exit 0; \
+	echo " $(MKDIR_P) '$(DESTDIR)$(man%SECTION%dir)'"; \
+	$(MKDIR_P) "$(DESTDIR)$(man%SECTION%dir)" || exit 1; \
+	{ for i in $$list1; do echo "$$i"; done;  \
 ## Extract all items from notrans_man_MANS that should go in this section.
 ## This must be done dynamically to support conditionals.
-?HAVE_TRANS?	l2='%TRANS_LIST%'; for i in $$l2; do echo "$$i"; done | \
-## Accept for 'man1' files like 'foo.1c' but not 'sub.1/foo.2' or 'foo-2.1.4'.
-?HAVE_TRANS?	  sed -n '/\.%SECTION%[a-z]*$$/p'; \
+	if test -n "$$list2"; then \
+	  for i in $$list2; do echo "$$i"; done \
+## Accept for 'man1' files like `foo.1c' but not 'sub.1/foo.2' or 'foo-2.1.4'.
+	    | sed -n '/\.%SECTION%[a-z]*$$/p'; \
+	fi; \
 ## Extract basename of manpage, change the extension if needed.
 	} | while read p; do \
 ## Find the file.
diff --git a/lib/am/progs.am b/lib/am/progs.am
index 0e2cc025d..2be8bcab4 100644
--- a/lib/am/progs.am
+++ b/lib/am/progs.am
@@ -23,10 +23,13 @@ am__installdirs += "$(DESTDIR)$(%NDIR%dir)"
 .PHONY install-%EXEC?exec:data%-am: install-%DIR%PROGRAMS
 install-%DIR%PROGRAMS: $(%DIR%_PROGRAMS)
 	@$(NORMAL_INSTALL)
-	test -z "$(%NDIR%dir)" || $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)"
 ## Funny invocation because Makefile variable can be empty, leading to
 ## a syntax error in sh.
 	@list='$(%DIR%_PROGRAMS)'; test -n "$(%NDIR%dir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)" || exit 1; \
+	fi; \
 	for p in $$list; do echo "$$p $$p"; done | \
 ## On Cygwin with libtool test won't see 'foo.exe' but instead 'foo'.
 ## So we check for both.
diff --git a/lib/am/python.am b/lib/am/python.am
index bb2748cd2..cab61294a 100644
--- a/lib/am/python.am
+++ b/lib/am/python.am
@@ -29,9 +29,12 @@ am__installdirs += "$(DESTDIR)$(%NDIR%dir)"
 .PHONY install-%EXEC?exec:data%-am: install-%DIR%PYTHON
 install-%DIR%PYTHON: $(%DIR%_PYTHON)
 	@$(NORMAL_INSTALL)
-	test -z "$(%NDIR%dir)" || $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)"
 if %?BASE%
 	@list='$(%DIR%_PYTHON)'; dlist=; list2=; test -n "$(%NDIR%dir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)" || exit 1; \
+	fi; \
 	for p in $$list; do \
 ## A file can be in the source directory or the build directory.
 	  if test -f "$$p"; then b=; else b="$(srcdir)/"; fi; \
@@ -58,6 +61,10 @@ if %?BASE%
 	else :; fi
 else !%?BASE%
 	@list='$(%DIR%_PYTHON)'; test -n "$(%NDIR%dir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)" || exit 1; \
+	fi; \
 	$(am__nobase_list) | while read dir files; do \
 	  xfiles=; for p in $$files; do \
 ## A file can be in the source directory or the build directory.
diff --git a/lib/am/scripts.am b/lib/am/scripts.am
index 29e3e7815..64e093e64 100644
--- a/lib/am/scripts.am
+++ b/lib/am/scripts.am
@@ -28,10 +28,13 @@ am__installdirs += "$(DESTDIR)$(%NDIR%dir)"
 .PHONY install-%EXEC?exec:data%-am: install-%DIR%SCRIPTS
 install-%DIR%SCRIPTS: $(%DIR%_SCRIPTS)
 	@$(NORMAL_INSTALL)
-	test -z "$(%NDIR%dir)" || $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)"
 ## Funny invocation because Makefile variable can be empty, leading to
 ## a syntax error in sh.
 	@list='$(%DIR%_SCRIPTS)'; test -n "$(%NDIR%dir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(%NDIR%dir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(%NDIR%dir)" || exit 1; \
+	fi; \
 ?!BASE?	$(am__nobase_strip_setup); \
 	for p in $$list; do \
 ## A file can be in the source directory or the build directory.
diff --git a/lib/am/texinfos.am b/lib/am/texinfos.am
index fbc7a0533..8e75ef3b9 100644
--- a/lib/am/texinfos.am
+++ b/lib/am/texinfos.am
@@ -142,8 +142,11 @@ include inst-vars.am
 
 install-dvi-am: $(DVIS)
 	@$(NORMAL_INSTALL)
-	test -z "$(dvidir)" || $(MKDIR_P) "$(DESTDIR)$(dvidir)"
 	@list='$(DVIS)'; test -n "$(dvidir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(dvidir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(dvidir)" || exit 1; \
+	fi; \
 	for p in $$list; do \
 	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
 	  echo "$$d$$p"; \
@@ -155,8 +158,11 @@ install-dvi-am: $(DVIS)
 
 install-html-am: $(HTMLS)
 	@$(NORMAL_INSTALL)
-	test -z "$(htmldir)" || $(MKDIR_P) "$(DESTDIR)$(htmldir)"
 	@list='$(HTMLS)'; list2=; test -n "$(htmldir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(htmldir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(htmldir)" || exit 1; \
+	fi; \
 	for p in $$list; do \
 	  if test -f "$$p" || test -d "$$p"; then d=; else d="$(srcdir)/"; fi; \
 	  $(am__strip_dir) \
@@ -183,9 +189,12 @@ install-html-am: $(HTMLS)
 
 install-info-am: $(INFO_DEPS)
 	@$(NORMAL_INSTALL)
-	test -z "$(infodir)" || $(MKDIR_P) "$(DESTDIR)$(infodir)"
 	@srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
 	list='$(INFO_DEPS)'; test -n "$(infodir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(infodir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(infodir)" || exit 1; \
+	fi; \
 	for file in $$list; do \
 ## Strip possible $(srcdir) prefix.
 	  case $$file in \
@@ -241,8 +250,11 @@ install-info-am: $(INFO_DEPS)
 
 install-pdf-am: $(PDFS)
 	@$(NORMAL_INSTALL)
-	test -z "$(pdfdir)" || $(MKDIR_P) "$(DESTDIR)$(pdfdir)"
 	@list='$(PDFS)'; test -n "$(pdfdir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(pdfdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(pdfdir)" || exit 1; \
+	fi; \
 	for p in $$list; do \
 	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
 	  echo "$$d$$p"; \
@@ -253,8 +265,11 @@ install-pdf-am: $(PDFS)
 
 install-ps-am: $(PSS)
 	@$(NORMAL_INSTALL)
-	test -z "$(psdir)" || $(MKDIR_P) "$(DESTDIR)$(psdir)"
 	@list='$(PSS)'; test -n "$(psdir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(psdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(psdir)" || exit 1; \
+	fi; \
 	for p in $$list; do \
 	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
 	  echo "$$d$$p"; \