X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=configure.ac;h=75df6c75de7d9e2cd8f9f763dce099f252d388da;hb=5e353fecb9f779b796fe6c7e90dfa35f3fc39e57;hp=52da6ced7fbe7b2226295ff95753c09c45d82d17;hpb=af5f69cea77a4ebf277f0e951b66f1d833d46bf4;p=lyx.git

diff --git a/configure.ac b/configure.ac
index 52da6ced7f..75df6c75de 100644
--- a/configure.ac
+++ b/configure.ac
@@ -315,9 +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