Warn if add-symbol-file does not provide any symbols

[deliverable/binutils-gdb.git] / gdb / common / common-defs.h

diff --git a/gdb/common/common-defs.h b/gdb/common/common-defs.h
index 732693d65cc6ef8090c3837ec36898c879363f45..8c164926db0fc21ff8f8add08bab1644e2898077 100644 (file)
--- a/gdb/common/common-defs.h
+++ b/gdb/common/common-defs.h
@@ -72,6 +72,20 @@
 #define _FORTIFY_SOURCE 2
 #endif
 
+/* We don't support Windows versions before XP, so we define
+   _WIN32_WINNT correspondingly to ensure the Windows API headers
+   expose the required symbols.  */
+#if defined (__MINGW32__) || defined (__CYGWIN__)
+# ifdef _WIN32_WINNT
+#  if _WIN32_WINNT < 0x0501
+#   undef _WIN32_WINNT
+#   define _WIN32_WINNT 0x0501
+#  endif
+# else
+#  define _WIN32_WINNT 0x0501
+# endif
+#endif /* __MINGW32__ || __CYGWIN__ */
+
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -93,6 +107,12 @@
 #undef ATTRIBUTE_PRINTF
 #define ATTRIBUTE_PRINTF _GL_ATTRIBUTE_FORMAT_PRINTF
 
+#if GCC_VERSION >= 3004
+#define ATTRIBUTE_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
+#else
+#define ATTRIBUTE_UNUSED_RESULT
+#endif
+
 #include "libiberty.h"
 #include "pathmax.h"
 #include "gdb/signals.h"