define __PRAGMA_REDEFINE_EXTNAME

As per:

https://gcc.gnu.org/onlinedocs/gcc-4.6.3/gcc/Symbol_002dRenaming-Pragmas.html

we should set this define.

Signed-off-by: John Levon <john.levon@joyent.com>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/lib.c b/lib.c
index 40e192a7..fdf7a9e9 100644
--- a/lib.c
+++ b/lib.c
@@ -1368,6 +1368,8 @@ static void predefined_macros(void)
 	if (optimize_size)
 		predefine("__OPTIMIZE_SIZE__", 0, "1");
 
+	predefine("__PRAGMA_REDEFINE_EXTNAME", 1, "1");
+
 	// Temporary hacks
 	predefine("__extension__", 0, NULL);
 	predefine("__pragma__", 0, NULL);