Patch providing options to enable/disable QtHelp or HTML documentation for devel/cmake-doc port

Makefile.diff

Index: /usr/ports/devel/cmake-doc/Makefile
===================================================================
--- /usr/ports/devel/cmake-doc/Makefile	(revision 547972)
+++ /usr/ports/devel/cmake-doc/Makefile	(working copy)
@@ -16,15 +16,24 @@
 
 DISTINFO_FILE=	${.CURDIR}/../cmake/distinfo
 
+OPTIONS_DEFAULT=	HTML
+OPTIONS_MULTI=	FORMAT
+OPTIONS_MULTI_FORMAT=	HTML QTHELP
+OPTIONS_SUB=	yes
+HTML_DESC=	Build HTML documentation
+HTML_CMAKE_BOOL=	SPHINX_HTML
+QTHELP_DESC=	Build Qt Help documentation
+QTHELP_CMAKE_BOOL=	SPHINX_QTHELP
+QTHELP_USES=	qt:5
+QTHELP_USE=	QT=help_build
+QTHELP_CMAKE_ARGS=	-DQCOLLECTIONGENERATOR_EXECUTABLE:FILEPATH=${QT_BINDIR}/qhelpgenerator
+
 NO_ARCH=	yes
-USES=		cmake qt:5
-USE_QT=		help_build
+USES=		cmake
 USE_LOCALE=	en_US.UTF-8
 
 CMAKE_OFF=	SPHINX_MAN
-CMAKE_ON=	SPHINX_HTML SPHINX_QTHELP
-CMAKE_ARGS=	-DCMAKE_DOC_DIR:STRING="${DOCSDIR_REL}" \
-		-DQCOLLECTIONGENERATOR_EXECUTABLE=${QT_BINDIR}/qhelpgenerator
+CMAKE_ARGS+=	-DCMAKE_DOC_DIR:STRING="${DOCSDIR_REL}"
 CMAKE_SOURCE_PATH=	${WRKSRC}/Utilities/Sphinx
 
 ALL_TARGET=	documentation

update-pkg-plist.sh

#!/bin/sh
# Run this after applying the Makefile.diff patch
cp pkg-plist pkg-plist.bak \
&& sed \
    -e 's?^%%DOCSDIR%%.*\.qch$?%%QTHELP%%&?' \
    -e 's?^%%DOCSDIR%%/html?%%HTML%%&?' \
    pkg-plist.bak > pkg-plist \
&& rm -f pkg-plist.bak