X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=configure.ac;h=75df6c75de7d9e2cd8f9f763dce099f252d388da;hb=830eb234bebea1f58170a38e17610c2d57e63719;hp=3353df4f4fe88c4c4887bcb8654804ff54895207;hpb=3f4901de9ce36866b75e56ec6864354e4119e647;p=lyx.git

diff --git a/configure.ac b/configure.ac
index 3353df4f4f..75df6c75de 100644
--- a/configure.ac
+++ b/configure.ac
@@ -130,6 +130,9 @@ AC_C_BIGENDIAN
 # 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)
 
@@ -312,9 +315,9 @@ char * strerror(int n);
 #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