Do not use --std=c++14 for MSVC

MSVC does not need a special flag to specify the standard. Using --std=c++14
produces a warning, but compilation succeeds, so the old code did mistakenly
choose --std=c++14 for MSVC.
This commit is contained in:
Georg Baum 2016-07-02 12:42:04 +02:00
parent e49d59dafc
commit 987dd84461

View File

@ -39,6 +39,12 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "^[cC]lang$")
else()
if (CYGWIN)
set(CXX11_FLAG_CANDIDATES "--std=gnu++11")
else()
if (MSVC)
# MSVC does not have a general C++11 flag, one can only switch off
# MS extensions with /Za in general or by extension with /Zc.
# Use an empty flag to ensure that CXX11_STD_REGEX is correctly set.
set(CXX11_FLAG_CANDIDATES "")
else()
set(CXX11_FLAG_CANDIDATES
"--std=c++14"
@ -47,6 +53,7 @@ else()
"--std=gnu++0x"
)
endif()
endif()
endif()
# sample openmp source code to test