mescc: Support regular C99 compile, headers + mlibc.

[mes.git] / src / gc.c

diff --git a/src/gc.c b/src/gc.c
index 2e8fef77a184711304d09bddd774714d1d903f89..e140b499335d3857004f4eb2f2ace9ed98aa872e 100644 (file)
--- a/src/gc.c
+++ b/src/gc.c
@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * Mes --- Maxwell Equations of Software
- * Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2016,2017 Jan Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of Mes.
  *
@@ -18,6 +18,8 @@
  * along with Mes.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <errno.h>
+
 SCM
 gc_up_arena () ///((internal))
 {