qtConfig(vulkan) {
    HEADERS += \
        vulkan/qvulkaninstance.h \
        vulkan/qplatformvulkaninstance.h \
        vulkan/qvulkanwindow.h \
        vulkan/qvulkanwindow_p.h

    SOURCES += \
        vulkan/qvulkaninstance.cpp \
        vulkan/qplatformvulkaninstance.cpp \
        vulkan/qvulkanfunctions.cpp \
        vulkan/qvulkanwindow.cpp

    # Applications must inherit the Vulkan header include path.
    QMAKE_USE += vulkan/nolink
}

# Generate qvulkanfunctions.h, qvulkanfunctions_p.h, qvulkanfunctions_p.cpp
QMAKE_QVKGEN_INPUT = vulkan/vk.xml
QMAKE_QVKGEN_LICENSE_HEADER = $$QT_SOURCE_TREE/header.LGPL
qtPrepareTool(QMAKE_QVKGEN, qvkgen)

qvkgen_h.commands = $$QMAKE_QVKGEN ${QMAKE_FILE_IN} $$shell_quote($$QMAKE_QVKGEN_LICENSE_HEADER) ${QMAKE_FILE_OUT_PATH}/${QMAKE_FILE_OUT_BASE}
qvkgen_h.output = vulkan/qvulkanfunctions.h
qvkgen_h.input = QMAKE_QVKGEN_INPUT
qtConfig(vulkan): \
    qvkgen_h.variable_out = HEADERS
else: \
    qvkgen_h.CONFIG += target_predeps no_link
QMAKE_EXTRA_COMPILERS += qvkgen_h

qvkgen_ph.commands = $$escape_expand(\\n)
qvkgen_ph.output = vulkan/qvulkanfunctions_p.h
qvkgen_ph.input = QMAKE_QVKGEN_INPUT
qvkgen_ph.depends += vulkan/qvulkanfunctions.h
qtConfig(vulkan): \
    qvkgen_ph.variable_out = HEADERS
else: \
    qvkgen_ph.CONFIG += target_predeps no_link
QMAKE_EXTRA_COMPILERS += qvkgen_ph

qvkgen_pimpl.commands = $$escape_expand(\\n)
qvkgen_pimpl.output = vulkan/qvulkanfunctions_p.cpp
qvkgen_pimpl.input = QMAKE_QVKGEN_INPUT
qvkgen_pimpl.depends += vulkan/qvulkanfunctions_p.h
qtConfig(vulkan): \
    qvkgen_pimpl.variable_out = SOURCES
else: \
    qvkgen_pimpl.CONFIG += target_predeps no_link
QMAKE_EXTRA_COMPILERS += qvkgen_pimpl