25 lines
1.0 KiB
CMake
25 lines
1.0 KiB
CMake
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cmake_minimum_required(VERSION 3.7.1)
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macro(test_restrict VARIABLE)
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if (NOT DEFINED TEST_${VARIABLE})
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message (STATUS "checking for restrict keyword")
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FOREACH(KEYWORD "restrict" "__restrict" "__restrict__" "_Restrict")
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IF (NOT TEST_${VARIABLE})
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TRY_COMPILE(
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TEST_${VARIABLE}
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"${CMAKE_BINARY_DIR}/CMakeTmp"
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SOURCES "${CMAKE_SOURCE_DIR}/cmake/test_restrict.cpp"
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COMPILE_DEFINITIONS "-DKEYWORD=${KEYWORD}")
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set(__test_restrict_last ${KEYWORD})
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ENDIF (NOT TEST_${VARIABLE})
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endforeach(KEYWORD)
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if (TEST_${VARIABLE})
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message (STATUS "checking for restrict keyword - ${__test_restrict_last}")
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set(${VARIABLE} ${__test_restrict_last} CACHE INTERNAL "restrict keyword" FORCE)
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else (TEST_${VARIABLE})
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message (STATUS "checking for restrict keyword - not found")
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endif(TEST_${VARIABLE})
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endif(NOT DEFINED TEST_${VARIABLE})
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endmacro(test_restrict)
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