--- docs/Makefile.in.orig	2005-12-05 15:06:18.000000000 +0300
+++ docs/Makefile.in	2014-05-27 21:33:24.000000000 +0400
@@ -347,6 +347,7 @@
 	  rm -f "$(DESTDIR)$(man1dir)/$$inst"; \
 	done
 install-docsDATA: $(docs_DATA)
+ifndef NOPORTDOCS
 	@$(NORMAL_INSTALL)
 	test -z "$(docsdir)" || $(mkdir_p) "$(DESTDIR)$(docsdir)"
 	@list='$(docs_DATA)'; for p in $$list; do \
@@ -355,6 +356,7 @@
 	  echo " $(docsDATA_INSTALL) '$$d$$p' '$(DESTDIR)$(docsdir)/$$f'"; \
 	  $(docsDATA_INSTALL) "$$d$$p" "$(DESTDIR)$(docsdir)/$$f"; \
 	done
+endif
 
 uninstall-docsDATA:
 	@$(NORMAL_UNINSTALL)
@@ -639,17 +641,17 @@
 
 
 capi:
-	rm -rf generated/capi && $(srcdir)/build_c_api_docs.sh $(prefix)/bin/
+	rm -rf generated/capi && $(srcdir)/build_c_api_docs.sh ${DESTDIR}$(prefix)/bin/
 
 install-data-local: capi
 	@$(NORMAL_INSTALL)
-	$(mkinstalldirs) $(prefix)/share/doc/ferite/api; \
-	$(prefix)/bin/feritedoc --regenerate; \
+	$(mkinstalldirs) ${DESTDIR}$(prefix)/share/doc/ferite/api; \
+	${DESTDIR}$(prefix)/bin/feritedoc --regenerate; \
 	if test -d $(srcdir)/generated/capi; then \
-	  $(mkinstalldirs) $(prefix)/share/doc/ferite/capi; \
-	  (cd $(srcdir)/generated; tar -cf - capi) | (cd $(prefix)/share/doc/ferite/; tar -xf -) \
+	  $(mkinstalldirs) ${DESTDIR}$(prefix)/share/doc/ferite/capi; \
+	  (cd $(srcdir)/generated; tar -cf - capi) | (cd ${DESTDIR}$(prefix)/share/doc/ferite/; tar -xf -) \
 	fi; \
-	(cd $(srcdir); tar -cf - html-manuals) | (cd $(prefix)/share/doc/ferite/; tar -xf -)
+	(cd $(srcdir); tar -cf - html-manuals) | (cd ${DESTDIR}$(prefix)/share/doc/ferite/; tar -xf -)
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT: