* respect user's docdir,htmldir,pdfdir at configuration time
* install recursive for doxygen generated
* works for out-of-source directory installation

bicatali@gentoo.org Aug 2012

diff -Nur doc.orig/doxygen/Makefile.am doc/doxygen/Makefile.am
--- doc.orig/doxygen/Makefile.am	2012-05-11 13:11:13.000000000 -0700
+++ doc/doxygen/Makefile.am	2012-08-13 13:44:27.616583722 -0700
@@ -2,7 +2,6 @@
 
 # Support doxygen documentation ?
 
-docdir = $(datadir)/doc/$(PACKAGE)-$(VERSION)/doxygen
 
 DISTCLEANFILES = Doxyfile doxygen-warning 
 
@@ -84,29 +83,27 @@
 		$(RM) -rf latex; \
 	fi
 
-# Install hooks
-make-install-dirs:
-	@if test '!' -d $(DESTDIR)$(docdir) ; \
-		then mkdir -p $(DESTDIR)$(docdir) ; \
-	fi
 
-install-data-hook: make-install-dirs
+install-data-hook:
 	@if test -d html; then \
-		echo Installing HTML documentation into $(DESTDIR)$(docdir) ; \
-		$(INSTALL_DATA) html/* $(DESTDIR)$(docdir) ; \
+		echo Installing HTML documentation into $(DESTDIR)$(htmldir) ; \
+		$(MKDIR_P) $(DESTDIR)$(htmldir) ; \
+		cp -r html/* $(DESTDIR)$(htmldir) ; \
 	fi
 	@if test -f $(PACKAGE).pdf; then \
-		echo Installing PDF manual into $(DESTDIR)$(docdir) ; \
-		$(INSTALL_DATA) $(PACKAGE).pdf $(DESTDIR)$(docdir) ; \
+		echo Installing PDF manual into $(DESTDIR)$(pdfdir) ; \
+		$(MKDIR_P) $(DESTDIR)$(pdfdir) ; \
+		$(INSTALL_DATA) $(PACKAGE).pdf $(DESTDIR)$(pdfdir) ; \
 	fi
 	@if test -f $(PACKAGE).ps; then \
-		echo Installing PS manual into $(DESTDIR)$(docdir) ; \
-		$(INSTALL_DATA) $(PACKAGE).ps $(DESTDIR)$(docdir) ; \
+		echo Installing PS manual into $(DESTDIR)$(psdir) ; \
+		$(MKDIR_P) $(DESTDIR)$(psdir) ; \
+		$(INSTALL_DATA) $(PACKAGE).ps $(DESTDIR)$(psdir) ; \
 	fi
 
 uninstall-hook: 
 	@echo Uninstalling doxygen documentation directory ; \
-	rm -rf "$(DESTDIR)$(docdir)";
+	rm -rf "$(DESTDIR)$(htmldir)" "$(DESTDIR)$(psdir)" "$(DESTDIR)$(pdfdir)" ;
 
 
 
diff -Nur doc.orig/Makefile.am doc/Makefile.am
--- doc.orig/Makefile.am	2012-05-11 13:11:13.000000000 -0700
+++ doc/Makefile.am	2012-08-13 13:54:04.490647132 -0700
@@ -4,8 +4,6 @@
 
 SUBDIRS = examples stencils doxygen
 
-# docdir directory to install the doc (pdf ps html) 
-docdir = $(datadir)/doc/$(PACKAGE)-$(VERSION)
 
 DVIPS=export TEXPICTS=$(srcdir); dvips
 AM_MAKEINFOFLAGS = --no-split -I$(srcdir)
@@ -78,7 +76,7 @@
 # Install also the images into the directory html 
 install-html-local:
 	test -z "$(htmldir)" || $(MKDIR_P) "$(DESTDIR)$(htmldir)"
-	$(INSTALL_DATA) *.gif *.jpg $(DESTDIR)$(htmldir)
+	$(INSTALL_DATA) $(srcdir)/*.gif $(srcdir)/*.jpg $(DESTDIR)$(htmldir)
 
 .PHONY: html
 
@@ -86,7 +84,7 @@
 
 # Install also the images into the directory containing the html files
 install-html-local:
-	$(INSTALL_DATA) *.gif *.jpg blitz.html
+	$(INSTALL_DATA) $(srcdir)/*.gif $(srcdir)/*.jpg $(top_builddir)/doc/blitz.html
 
 endif