gcc defines __APPLE__, use this instead APPLE

diff --git a/src/smpi/smpi_c99.c b/src/smpi/smpi_c99.c
index 9d65579..3064783 100644 (file)
--- a/src/smpi/smpi_c99.c
+++ b/src/smpi/smpi_c99.c
@@ -13,7 +13,7 @@ static void smpi_free_static(int status, void* arg) {
 
 void smpi_register_static(void* arg) {
 
-#ifndef APPLE
+#ifndef __APPLE__
 // FIXME
 // On Apple this error occurs:
 //     Undefined symbols for architecture x86_64: