isl_list.h: allow inclusion from C++

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>

diff --git a/include/isl/list.h b/include/isl/list.h
index 77926c6..caef4c9 100644 (file)
--- a/include/isl/list.h
+++ b/include/isl/list.h
@@ -12,6 +12,10 @@
 
 #include <isl/ctx.h>
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 struct isl_basic_set;
 
 struct isl_basic_set_list {
@@ -30,4 +34,8 @@ struct isl_basic_set_list *isl_basic_set_list_add(
        struct isl_basic_set_list *list,
        struct isl_basic_set *bset);
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif