https://github.com/Kitware/CMake
Revision 13e5df19fdeaf16ff51819caf322a426ecaf328c authored by Brad King on 06 August 2020, 14:38:27 UTC, committed by Kitware Robot on 06 August 2020, 14:39:46 UTC
ef97fbe6c2 PCH: Avoid unnecessary 30s delay on MSBuild Generator with REUSE_FROM Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !5102
Tip revision: 13e5df19fdeaf16ff51819caf322a426ecaf328c authored by Brad King on 06 August 2020, 14:38:27 UTC
Merge topic 'reuse_pch_no_delay' into release-3.18
Merge topic 'reuse_pch_no_delay' into release-3.18
Tip revision: 13e5df1
TestCXXAcceptsFlag.cmake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
TestCXXAcceptsFlag
------------------
.. deprecated:: 3.0
See :module:`CheckCXXCompilerFlag`.
Check if the CXX compiler accepts a flag.
.. code-block:: cmake
CHECK_CXX_ACCEPTS_FLAG(<flags> <variable>)
``<flags>``
the flags to try
``<variable>``
variable to store the result
#]=======================================================================]
macro(CHECK_CXX_ACCEPTS_FLAG FLAGS VARIABLE)
if(NOT DEFINED ${VARIABLE})
message(CHECK_START "Checking to see if CXX compiler accepts flag ${FLAGS}")
try_compile(${VARIABLE}
${CMAKE_BINARY_DIR}
${CMAKE_ROOT}/Modules/DummyCXXFile.cxx
CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${FLAGS}
OUTPUT_VARIABLE OUTPUT)
if(${VARIABLE})
message(CHECK_PASS "yes")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining if the CXX compiler accepts the flag ${FLAGS} passed with "
"the following output:\n${OUTPUT}\n\n")
else()
message(CHECK_FAIL "no")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining if the CXX compiler accepts the flag ${FLAGS} failed with "
"the following output:\n${OUTPUT}\n\n")
endif()
endif()
endmacro()
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