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set(EXECUTABLE_EXTENSION "")
if (GMX_NATIVE_WINDOWS OR GMX_CYGWIN)
    set(EXECUTABLE_EXTENSION ".exe")
endif()
set(PATH_SEARCH_TEST_DIR ${CMAKE_CURRENT_BINARY_DIR}/test-bin)
file(MAKE_DIRECTORY ${PATH_SEARCH_TEST_DIR}/bin)
file(WRITE ${PATH_SEARCH_TEST_DIR}/bin/test-exe${EXECUTABLE_EXTENSION}
     "Test executable for path searching")
if (UNIX)
    execute_process(
        COMMAND ${CMAKE_COMMAND} -E create_symlink
            test-exe
            ${PATH_SEARCH_TEST_DIR}/bin/test-rel-link)
    execute_process(
        COMMAND ${CMAKE_COMMAND} -E create_symlink
            ${PATH_SEARCH_TEST_DIR}/bin/test-exe
            ${PATH_SEARCH_TEST_DIR}/bin/test-abs-link)
endif()

gmx_add_unit_test(CommandLineUnitTests commandline-test
                  cmdlinehelpwriter.cpp
                  cmdlinemodulemanager.cpp
                  cmdlineparser.cpp
                  cmdlineprogramcontext.cpp
                  pargs.cpp
                  $<TARGET_OBJECTS:onlinehelp-test-shared>)

if (CMAKE_CXX_COMPILER_ID MATCHES "XL")
    # This suppression stops a very verbose cascade of messages about the
    # mocks, which is probably a compiler issue.
    #   1540-2924 (W) Cannot pass an argument of non-POD class type "const gmx::CommandLineHelpContext" through ellipsis.
    set_property(SOURCE cmdlinemodulemanager.cpp PROPERTY COMPILE_FLAGS "-qsuppress=1540-2924")
endif()
