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44 lines
1.4 KiB
CMake
44 lines
1.4 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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TestForANSIForScope
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-------------------
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Check for ANSI for scope support
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Check if the compiler restricts the scope of variables declared in a
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for-init-statement to the loop body.
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::
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CMAKE_NO_ANSI_FOR_SCOPE - holds result
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#]=======================================================================]
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if(NOT DEFINED CMAKE_ANSI_FOR_SCOPE)
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message(CHECK_START "Check for ANSI scope")
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try_compile(CMAKE_ANSI_FOR_SCOPE ${CMAKE_BINARY_DIR}
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${CMAKE_ROOT}/Modules/TestForAnsiForScope.cxx
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OUTPUT_VARIABLE OUTPUT)
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if (CMAKE_ANSI_FOR_SCOPE)
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message(CHECK_PASS "found")
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set (CMAKE_NO_ANSI_FOR_SCOPE 0 CACHE INTERNAL
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"Does the compiler support ansi for scope.")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining if the CXX compiler understands ansi for scopes passed with "
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"the following output:\n${OUTPUT}\n\n")
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else ()
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message(CHECK_FAIL "not found")
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set (CMAKE_NO_ANSI_FOR_SCOPE 1 CACHE INTERNAL
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"Does the compiler support ansi for scope.")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determining if the CXX compiler understands ansi for scopes failed with "
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"the following output:\n${OUTPUT}\n\n")
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endif ()
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endif()
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