diff --git a/legacy/ecore/src/lib/ecore_con/ecore_con_info.c b/legacy/ecore/src/lib/ecore_con/ecore_con_info.c
index eda50ef3f4..012a8af6e9 100644
--- a/legacy/ecore/src/lib/ecore_con/ecore_con_info.c
+++ b/legacy/ecore/src/lib/ecore_con/ecore_con_info.c
@@ -13,6 +13,23 @@
 # include <config.h>
 #endif
 
+#ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+#elif defined __GNUC__
+# define alloca __builtin_alloca
+#elif defined _AIX
+# define alloca __alloca
+#elif defined _MSC_VER
+# include <malloc.h>
+# define alloca _alloca
+#else
+# include <stddef.h>
+# ifdef  __cplusplus
+extern "C"
+# endif
+void *alloca (size_t);
+#endif
+
 #include <string.h>
 #include <ctype.h>
 #ifdef __OpenBSD__