Cygwin build fix (#1200)

JSBSim-Team · Dec 14, 2024 · 2bdf0d4 · 2bdf0d4
1 parent f6ae92e
commit 2bdf0d4
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/input_output/string_utilities.cpp b/src/input_output/string_utilities.cpp
@@ -34,6 +34,9 @@ string::find() functions were formerly used.
 INCLUDES
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
 
+#ifdef __CYGWIN__
+#define _GNU_SOURCE 1
+#endif
 #include <errno.h>
 #include <iostream>
 #include <sstream>