1 # Distributed under the OSI-approved BSD 3-Clause License. See accompanying
2 # file Copyright.txt or https://cmake.org/licensing for details.
4 #[=======================================================================[.rst:
8 Check for ANSI for scope support
10 Check if the compiler restricts the scope of variables declared in a
11 for-init-statement to the loop body.
15 CMAKE_NO_ANSI_FOR_SCOPE - holds result
16 #]=======================================================================]
18 if(NOT DEFINED CMAKE_ANSI_FOR_SCOPE)
19 message(CHECK_START "Check for ANSI scope")
20 try_compile(CMAKE_ANSI_FOR_SCOPE
21 SOURCES ${CMAKE_ROOT}/Modules/TestForAnsiForScope.cxx
22 OUTPUT_VARIABLE OUTPUT)
23 if (CMAKE_ANSI_FOR_SCOPE)
24 message(CHECK_PASS "found")
25 set (CMAKE_NO_ANSI_FOR_SCOPE 0 CACHE INTERNAL
26 "Does the compiler support ansi for scope.")
27 file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
28 "Determining if the CXX compiler understands ansi for scopes passed with "
29 "the following output:\n${OUTPUT}\n\n")
31 message(CHECK_FAIL "not found")
32 set (CMAKE_NO_ANSI_FOR_SCOPE 1 CACHE INTERNAL
33 "Does the compiler support ansi for scope.")
34 file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
35 "Determining if the CXX compiler understands ansi for scopes failed with "
36 "the following output:\n${OUTPUT}\n\n")