--- Makefile.in.orig	2016-04-20 23:33:09 UTC
+++ Makefile.in
@@ -83,6 +83,7 @@ ifneq ($(BUILDDOC_FORMATS),)
 #    -- Build documentation
 	@echo "Building documentation ..."
 	(cd doc; \
+		MAKE=$(MAKE) \
 		PREFIX=$(prefix) \
 		BUILD_ISO_ENTITIES=$(BUILD_ISO_ENTITIES) \
 		BUILD_ENTITY_MAP=$(BUILD_ENTITY_MAP) \
@@ -121,7 +122,7 @@ ifeq ($(BUILD_ISO_ENTITIES), true)
 endif
 
 #    -- Install linuxdoc script
-	$(INSTALL_PROGRAM) bin/linuxdoc $(bin_ddir)/linuxdoc
+	$(INSTALL) -m755 bin/linuxdoc $(bin_ddir)/linuxdoc
 
 #    -- Install auxiliary programs
 	mkdir -p $(auxbin_ddir)