Issue #281 (bdwgc).
* CMakeLists.txt (CMAKE_LEGACY_CYGWIN_WIN32): Remove (do not set).
* CMakeLists.txt (VERSION): Change cmake_minimum_required from 2.6
to 3.1.
# this will generate gc.sln
#
-set(CMAKE_LEGACY_CYGWIN_WIN32 0) # Remove when CMake >= 2.8.4 is required
-
project(gc)
include(CTest)
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.1)
add_definitions("-D_CRT_SECURE_NO_DEPRECATE")
add_definitions("-DALL_INTERIOR_POINTERS -DNO_EXECUTE_PERMISSION")