devel/qt6-tools: convert to USES=llvm

devel/qt6-tools/Makefile

@@ -7,10 +7,8 @@ MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Qt declarative framework for dynamic user interfaces
 WWW=		https://qt-project.org
 
-BUILD_DEPENDS=	${LOCALBASE}/include/vulkan/vulkan.h:graphics/vulkan-headers \
-		llvm${LLVM_DEFAULT}>0:devel/llvm${LLVM_DEFAULT}
+BUILD_DEPENDS=	${LOCALBASE}/include/vulkan/vulkan.h:graphics/vulkan-headers
 LIB_DEPENDS=	libvulkan.so:graphics/vulkan-loader \
-		libLLVM.so:devel/llvm${LLVM_DEFAULT} \
 		libdouble-conversion.so:devel/double-conversion \
 		libexpat.so:textproc/expat2 \
 		libfontconfig.so:x11-fonts/fontconfig \
@@ -24,7 +22,7 @@ LIB_DEPENDS=	libvulkan.so:graphics/vulkan-loader \
 		libxkbcommon.so:x11/libxkbcommon \
 		libzstd.so:archivers/zstd
 
-USES=		cmake compiler:c++17-lang gettext-runtime gl gnome python:build xorg \
+USES=		cmake compiler:c++17-lang gettext-runtime gl gnome llvm:lib python:build xorg \
 		qt-dist:6
 USE_GL=		gl
 USE_GNOME=	glib20
@@ -32,8 +30,8 @@ USE_QT=		base declarative
 USE_XORG=	x11 xau xcb xdmcp
 USE_LDCONFIG=	${PREFIX}/${QT_LIBDIR_REL}
 
-CMAKE_ARGS+=	-DClang_DIR:PATH="${LOCALBASE}/llvm${LLVM_DEFAULT}/lib/cmake/clang" \
-		-DLLVM_DIR:PATH="${LOCALBASE}/llvm${LLVM_DEFAULT}/lib/cmake/llvm"
+CMAKE_ARGS+=	-DClang_DIR:PATH="${LLVM_PREFIX}/lib/cmake/clang" \
+		-DLLVM_DIR:PATH="${LLVM_PREFIX}/lib/cmake/llvm"
 
 post-install:
 	# Install symlinks for user-facing tools