Don't fail to build documentation if kindlegen doesn't exist

[openafs.git] / doc / xml / UserGuide / Makefile.in

diff --git a/doc/xml/UserGuide/Makefile.in b/doc/xml/UserGuide/Makefile.in
index 42e4053..aeb28ab 100644 (file)
--- a/doc/xml/UserGuide/Makefile.in
+++ b/doc/xml/UserGuide/Makefile.in
@@ -47,7 +47,9 @@ $(BOOK).epub: $(SRCS)
        fi
 
 $(BOOK).mobi: $(BOOK).epub
-       kindlegen $(BOOK).epub -o $(BOOK).mobi
+       if test -n "$(KINDLEGEN)" && test -x "$(DBTOEPUB)" ; then \
+               kindlegen $(BOOK).epub -o $(BOOK).mobi; \
+       fi
 
 check:
        xmllint --noout --valid $(BOOK).xml