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80 lines
2.5 KiB
80 lines
2.5 KiB
3 years ago
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execute_process(
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COMMAND ${CMAKE_COMMAND} -E environment
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OUTPUT_VARIABLE out
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ERROR_VARIABLE err
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RESULT_VARIABLE res)
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if (res)
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message(FATAL_ERROR "Failed with exit code ${res}: ${err}")
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endif ()
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if (CMAKE_HOST_WIN32)
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set(path_sep ";")
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else ()
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set(path_sep ":")
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endif ()
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set(unexpect_SET_FROM_AMBIENT_unset "")
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set(unexpect_SET_FROM_ENVIRONMENT_PROPERTY_unset "")
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set(unexpect_UNSET_EXPLICIT "")
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set(unexpect_UNSET_VIA_RESET "")
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set(expect_DIRECT "new")
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set(expect_STRING_MANIP "prefix-pre-core-post-suffix")
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set(expect_PATH_MANIP "prefix${path_sep}pre${path_sep}core${path_sep}post${path_sep}suffix")
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set(expect_CMAKE_LIST_MANIP "prefix;pre;core;post;suffix")
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set(expect_STRING_DNE "prefix-prepost-suffix")
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set(expect_PATH_DNE "prefix${path_sep}pre${path_sep}post${path_sep}suffix")
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set(expect_CMAKE_LIST_DNE "prefix;pre;post;suffix")
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set(expect_SET_FROM_AMBIENT_replace "new")
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set(expect_SET_FROM_AMBIENT_string "basenew")
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set(expect_SET_FROM_AMBIENT_path "base${path_sep}new")
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set(expect_SET_FROM_AMBIENT_list "base;new")
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set(expect_SET_FROM_ENVIRONMENT_PROPERTY_replace "new")
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set(expect_SET_FROM_ENVIRONMENT_PROPERTY_string "basenew")
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set(expect_SET_FROM_ENVIRONMENT_PROPERTY_path "base${path_sep}new")
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set(expect_SET_FROM_ENVIRONMENT_PROPERTY_list "base;new")
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set(expected_vars
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SET_FROM_AMBIENT_replace
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SET_FROM_AMBIENT_string
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SET_FROM_AMBIENT_path
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SET_FROM_AMBIENT_list
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SET_FROM_ENVIRONMENT_PROPERTY_replace
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SET_FROM_ENVIRONMENT_PROPERTY_string
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SET_FROM_ENVIRONMENT_PROPERTY_path
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SET_FROM_ENVIRONMENT_PROPERTY_list
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DIRECT
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STRING_MANIP
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PATH_MANIP
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CMAKE_LIST_MANIP
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STRING_DNE
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PATH_DNE
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CMAKE_LIST_DNE)
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while (out)
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string(FIND "${out}" "\n" nl_pos)
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string(SUBSTRING "${out}" 0 "${nl_pos}" line)
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math(EXPR line_next "${nl_pos} + 1")
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string(SUBSTRING "${out}" "${line_next}" -1 out)
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string(FIND "${line}" "=" eq_pos)
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string(SUBSTRING "${line}" 0 "${eq_pos}" name)
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math(EXPR value_start "${eq_pos} + 1")
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string(SUBSTRING "${line}" "${value_start}" -1 value)
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if (DEFINED "unexpect_${name}")
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message(SEND_ERROR "Found `${name}=${value}` when it should have been unset")
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elseif (DEFINED "expect_${name}")
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list(REMOVE_ITEM expected_vars "${name}")
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if (expect_${name} STREQUAL value)
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message(STATUS "Found `${name}=${value}` as expected")
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else ()
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message(SEND_ERROR "Found `${name}=${value}` when it should have been ${expect_${name}}")
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endif ()
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endif ()
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endwhile ()
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if (expected_vars)
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message(SEND_ERROR "Did not test expected variables: ${expected_vars}")
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endif ()
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