+@BUILD_XML_FALSE@STAMP_XML =
+
+# Documentation conditionals for output.
+@BUILD_XML_TRUE@STAMP_XML = doc-xml
+@BUILD_XML_FALSE@STAMP_INSTALL_XML =
+@BUILD_XML_TRUE@STAMP_INSTALL_XML = doc-install-xml
+@BUILD_HTML_FALSE@STAMP_HTML =
+@BUILD_HTML_TRUE@STAMP_HTML = doc-html
+@BUILD_HTML_FALSE@STAMP_INSTALL_HTML =
+@BUILD_HTML_TRUE@STAMP_INSTALL_HTML = doc-install-html
+@BUILD_MAN_FALSE@STAMP_MAN =
+@BUILD_MAN_TRUE@STAMP_MAN = doc-man
+@BUILD_MAN_FALSE@STAMP_INSTALL_MAN =
+@BUILD_MAN_TRUE@STAMP_INSTALL_MAN = doc-install-man
+@BUILD_PDF_FALSE@STAMP_PDF =
+@BUILD_PDF_TRUE@STAMP_PDF = doc-pdf
+@BUILD_PDF_FALSE@STAMP_INSTALL_PDF =
+@BUILD_PDF_TRUE@STAMP_INSTALL_PDF = doc-install-pdf
+@BUILD_EPUB_FALSE@STAMP_EPUB = doc-epub
+@BUILD_EPUB_TRUE@STAMP_EPUB = doc-epub
+@BUILD_EPUB_FALSE@STAMP_INSTALL_EPUB = doc-install-epub
+@BUILD_EPUB_TRUE@STAMP_INSTALL_EPUB = doc-install-epub