96 lines
2.9 KiB
CMake
96 lines
2.9 KiB
CMake
cmake_minimum_required(VERSION 3.30)
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project(PolicyScope C)
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#-----------------------------------------------------------------------------
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# Helper function to report results.
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function(check msg lhs rhs)
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if(NOT "${lhs}" STREQUAL "${rhs}")
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message(FATAL_ERROR "${msg}: expected [${lhs}], got [${rhs}]")
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endif()
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endfunction()
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#-----------------------------------------------------------------------------
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# Put the test modules in the search path.
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
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# Make sure an included file cannot change policies.
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include(Bar)
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cmake_policy(GET CMP0180 cmp)
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check(CMP0180 "" "${cmp}")
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# Allow the included file to change policies.
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include(Bar NO_POLICY_SCOPE)
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cmake_policy(GET CMP0180 cmp)
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check(CMP0180 "NEW" "${cmp}")
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#-----------------------------------------------------------------------------
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# Test function and macro policy recording.
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# Create the functions in an isolated scope in which we change policies.
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cmake_policy(PUSH)
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if(1)
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# Change CMP0179
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cmake_policy(SET CMP0179 OLD)
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function(func1)
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# CMP0179 should be changed when this function is invoked
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cmake_policy(GET CMP0179 cmp)
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check(CMP0179 "OLD" "${cmp}")
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# The undocumented PARENT_SCOPE option sees the caller's setting.
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cmake_policy(GET CMP0179 cmp PARENT_SCOPE)
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check(CMP0179 "NEW" "${cmp}")
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endfunction()
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# Unset CMP0179
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cmake_policy(VERSION 3.30)
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macro(macro1)
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# CMP0179 should be unset when this macro is invoked
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cmake_policy(GET CMP0179 cmp)
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check(CMP0179 "" "${cmp}")
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# The undocumented PARENT_SCOPE option sees the caller's setting.
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cmake_policy(GET CMP0179 cmp PARENT_SCOPE)
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check(CMP0179 "NEW" "${cmp}")
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# Setting the policy should work here and also in the caller.
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cmake_policy(SET CMP0179 OLD)
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cmake_policy(GET CMP0179 cmp)
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check(CMP0179 "OLD" "${cmp}")
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endmacro()
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endif()
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cmake_policy(POP)
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# CMP0179 should still be NEW in this context.
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cmake_policy(GET CMP0179 cmp)
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check(CMP0179 "NEW" "${cmp}")
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# Check the recorded policies
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func1()
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macro1()
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# The macro should have changed CMP0179.
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cmake_policy(GET CMP0179 cmp)
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check(CMP0179 "OLD" "${cmp}")
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#-----------------------------------------------------------------------------
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# Test CMAKE_POLICY_DEFAULT_CMP<NNNN> variable.
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cmake_policy(PUSH)
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set(CMAKE_POLICY_DEFAULT_CMP0170 OLD) # ignored
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set(CMAKE_POLICY_DEFAULT_CMP0171 OLD) # honored
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set(CMAKE_POLICY_DEFAULT_CMP0172 NEW) # honored
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set(CMAKE_POLICY_DEFAULT_CMP0173 "") # noop
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cmake_policy(VERSION 3.30)
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cmake_policy(GET CMP0170 cmp)
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check(CMP0170 "NEW" "${cmp}")
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cmake_policy(GET CMP0171 cmp)
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check(CMP0171 "OLD" "${cmp}")
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cmake_policy(GET CMP0172 cmp)
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check(CMP0172 "NEW" "${cmp}")
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cmake_policy(GET CMP0173 cmp)
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check(CMP0173 "" "${cmp}")
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cmake_policy(POP)
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#-----------------------------------------------------------------------------
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# Dummy executable so the project can build and run.
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add_executable(PolicyScope main.c)
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