isl_seq.h: allow inclusion from C++

diff --git a/include/isl/seq.h b/include/isl/seq.h
index fd65562..0035eb8 100644 (file)
--- a/include/isl/seq.h
+++ b/include/isl/seq.h
@@ -14,6 +14,10 @@
 #include <isl/int.h>
 #include <isl/ctx.h>
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 /* Some common operations on sequences of isl_int's */
 
 void isl_seq_clr(isl_int *p, unsigned len);
@@ -46,4 +50,8 @@ int isl_seq_is_neg(isl_int *p1, isl_int *p2, unsigned len);
 uint32_t isl_seq_get_hash(isl_int *p, unsigned len);
 uint32_t isl_seq_get_hash_bits(isl_int *p, unsigned len, unsigned bits);
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif