mirror of
https://github.com/crystalidea/qt-build-tools.git
synced 2024-11-27 13:49:04 +08:00
45 lines
1.5 KiB
CMake
45 lines
1.5 KiB
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(STATUS "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(STATUS "Checking to see if CXX compiler accepts flag ${FLAGS} - 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(STATUS "Checking to see if CXX compiler accepts flag ${FLAGS} - 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()
|