cmake: detect Cygwin which needs extensions to build

This commit is contained in:
Matthias Grob 2019-02-04 19:01:11 +00:00
parent 67265e0706
commit f89253434f

View File

@ -8,8 +8,10 @@ if (CMAKE_VERSION VERSION_LESS "3.1")
else()
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if(NOT CYGWIN)
set(CMAKE_CXX_EXTENSIONS OFF)
endif()
endif()
if (POLICY CMP0048)
cmake_policy(SET CMP0048 NEW)