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Diffstat (limited to 'Modules/TestForANSIForScope.cmake')
-rw-r--r-- | Modules/TestForANSIForScope.cmake | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/Modules/TestForANSIForScope.cmake b/Modules/TestForANSIForScope.cmake new file mode 100644 index 0000000..7d2aad6 --- /dev/null +++ b/Modules/TestForANSIForScope.cmake @@ -0,0 +1,42 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#.rst: +# TestForANSIForScope +# ------------------- +# +# Check for ANSI for scope support +# +# Check if the compiler restricts the scope of variables declared in a +# for-init-statement to the loop body. +# +# :: +# +# CMAKE_NO_ANSI_FOR_SCOPE - holds result + +if(NOT DEFINED CMAKE_ANSI_FOR_SCOPE) + message(STATUS "Check for ANSI scope") + try_compile(CMAKE_ANSI_FOR_SCOPE ${CMAKE_BINARY_DIR} + ${CMAKE_ROOT}/Modules/TestForAnsiForScope.cxx + OUTPUT_VARIABLE OUTPUT) + if (CMAKE_ANSI_FOR_SCOPE) + message(STATUS "Check for ANSI scope - found") + set (CMAKE_NO_ANSI_FOR_SCOPE 0 CACHE INTERNAL + "Does the compiler support ansi for scope.") + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log + "Determining if the CXX compiler understands ansi for scopes passed with " + "the following output:\n${OUTPUT}\n\n") + else () + message(STATUS "Check for ANSI scope - not found") + set (CMAKE_NO_ANSI_FOR_SCOPE 1 CACHE INTERNAL + "Does the compiler support ansi for scope.") + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + "Determining if the CXX compiler understands ansi for scopes failed with " + "the following output:\n${OUTPUT}\n\n") + endif () +endif() + + + + + |