87 lines
2.5 KiB
CMake
87 lines
2.5 KiB
CMake
project(PolicyScope C)
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# No cmake_minimum_required(VERSION), it's in FindFoo.
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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 [${rhs}]")
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endif()
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endfunction(check)
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#-----------------------------------------------------------------------------
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# Test using a development framework that sets policies for us.
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# Policy CMP0011 should not be set at this point.
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cmake_policy(GET CMP0011 cmp)
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check(CMP0011 "" "${cmp}")
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# Put the test modules in the search path.
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
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# The included file should set policies for us.
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find_package(Foo)
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# Check policies set by the package.
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cmake_policy(GET CMP0003 cmp)
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check(CMP0003 "OLD" "${cmp}")
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cmake_policy(GET CMP0002 cmp)
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check(CMP0002 "NEW" "${cmp}")
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cmake_policy(GET CMP0011 cmp)
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check(CMP0011 "NEW" "${cmp}")
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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 CMP0003 cmp)
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check(CMP0003 "OLD" "${cmp}")
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# Allow the included file to change policies.
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include(Bar NO_POLICY_SCOPE)
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cmake_policy(GET CMP0003 cmp)
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check(CMP0003 "NEW" "${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 CMP0002
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cmake_policy(SET CMP0002 OLD)
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function(func1)
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# CMP0002 should be changed when this function is invoked
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cmake_policy(GET CMP0002 cmp)
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check(CMP0002 "OLD" "${cmp}")
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endfunction(func1)
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# Unset CMP0002
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cmake_policy(VERSION 2.4)
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macro(macro1)
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# CMP0002 should be unset when this macro is invoked
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cmake_policy(GET CMP0002 cmp)
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check(CMP0002 "" "${cmp}")
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# Setting the policy should work here and also in the caller.
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cmake_policy(SET CMP0002 OLD)
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cmake_policy(GET CMP0002 cmp)
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check(CMP0002 "OLD" "${cmp}")
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endmacro(macro1)
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endif(1)
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cmake_policy(POP)
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# CMP0002 should still be NEW in this context.
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cmake_policy(GET CMP0002 cmp)
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check(CMP0002 "NEW" "${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 CMP0002.
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cmake_policy(GET CMP0002 cmp)
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check(CMP0002 "OLD" "${cmp}")
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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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