#
# This file is part of the GROMACS molecular simulation package.
#
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add_custom_target(man
    ${CMAKE_COMMAND} -E make_directory man1
    COMMAND ${CMAKE_COMMAND} -E make_directory man7
    COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_SOURCE_DIR}/man7/gromacs.7.in" man7/
    COMMAND gmx -quiet help -export man
    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
    COMMENT "Generating man pages"
    VERBATIM)

set(MAN_PAGE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
if (GMX_BUILD_HELP)
    set_target_properties(man PROPERTIES EXCLUDE_FROM_ALL OFF)
    set_directory_properties(PROPERTIES
        ADDITIONAL_MAKE_CLEAN_FILES "man1;man7/gromacs.7")
    set(MAN_PAGE_DIR ${CMAKE_CURRENT_BINARY_DIR})
endif()

# man pages are only available if they are either build or this is a source archive
if (SOURCE_IS_SOURCE_DISTRIBUTION OR GMX_BUILD_HELP)
    install(FILES ${MAN_PAGE_DIR}/man7/gromacs.7
        DESTINATION ${MAN_INSTALL_DIR}/man7
        COMPONENT man)
    install(DIRECTORY ${MAN_PAGE_DIR}/man1
        DESTINATION ${MAN_INSTALL_DIR}
        COMPONENT man)
endif()