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11ea24e590
Some systems set CMAKE_SYSTEM_PROGRAM_PATH, which pollutes the environment for this test. Erase it before executing the test to get a clean environment. Fixes: #23300
32 lines
984 B
CMake
32 lines
984 B
CMake
function(assert_eq var value)
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if(NOT "${${var}}" STREQUAL "${value}")
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message(SEND_ERROR "Expected value of ${var}:\n ${value}\nActual value:\n ${${var}}")
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endif()
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endfunction()
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set(CMAKE_FIND_USE_SYSTEM_ENVIRONMENT_PATH FALSE)
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set(CMAKE_SYSTEM_PROGRAM_PATH)
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set(CMAKE_PREFIX_PATH ${CMAKE_SOURCE_DIR}/Prefix)
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set(_old_CMAKE_SYSTEM_PREFIX_PATH ${CMAKE_SYSTEM_PREFIX_PATH})
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set(CMAKE_SYSTEM_PREFIX_PATH ${CMAKE_SOURCE_DIR}/SystemPrefix)
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set(prog_ROOT
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${CMAKE_SOURCE_DIR}/Prefix
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${CMAKE_SOURCE_DIR}/SystemPrefix
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)
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set(CMAKE_IGNORE_PREFIX_PATH ${CMAKE_SOURCE_DIR}/Prefix)
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set(CMAKE_SYSTEM_IGNORE_PREFIX_PATH ${CMAKE_SOURCE_DIR}/SystemPrefix)
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find_program(prog prog)
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assert_eq(prog "prog-NOTFOUND")
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set(CMAKE_PREFIX_PATH)
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set(CMAKE_SYSTEM_PREFIX_PATH ${_old_CMAKE_SYSTEM_PREFIX_PATH})
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set(CMAKE_IGNORE_PREFIX_PATH /)
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set(CMAKE_FIND_ROOT_PATH
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${CMAKE_SOURCE_DIR}/Prefix
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${CMAKE_SOURCE_DIR}/SystemPrefix
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)
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find_program(prog2 prog)
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assert_eq(prog2 "prog2-NOTFOUND")
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