# Nice to have when an assertion triggers
LYX_CHECK_CALLSTACK_PRINTING
+# C++14 only
+LYX_CHECK_DEF(make_unique, memory, [using std::make_unique;])
+
# Needed for our char_type
AC_CHECK_SIZEOF(wchar_t)
#define BOOST_DISABLE_THREADS 1
#define BOOST_NO_WREGEX 1
#define BOOST_NO_WSTRING 1
-#define BOOST_SIGNALS_NO_DEPRECATION_WARNING 1
#ifdef __CYGWIN__
+# define _DEFAULT_SOURCE
# define NOMINMAX
# define BOOST_POSIX 1
# define BOOST_POSIX_API 1