blob: ce505f3ce1858f77096202c010f1331fc33d75e8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
# 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()
|
