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-rw-r--r--src/basic/missing.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/basic/missing.h b/src/basic/missing.h
index c187afa287..48ca04a8a1 100644
--- a/src/basic/missing.h
+++ b/src/basic/missing.h
@@ -36,6 +36,7 @@
#include <stdlib.h>
#include <sys/resource.h>
#include <sys/syscall.h>
+#include <uchar.h>
#include <unistd.h>
#ifdef HAVE_AUDIT
@@ -1149,3 +1150,23 @@ static inline key_serial_t request_key(const char *type, const char *description
#ifndef PR_CAP_AMBIENT_CLEAR_ALL
#define PR_CAP_AMBIENT_CLEAR_ALL 4
#endif
+
+/* The following two defines are actually available in the kernel headers for longer, but we define them here anyway,
+ * since that makes it easier to use them in conjunction with the glibc net/if.h header which conflicts with
+ * linux/if.h. */
+#ifndef IF_OPER_UNKNOWN
+#define IF_OPER_UNKNOWN 0
+#endif
+
+#ifndef IF_OPER_UP
+#define IF_OPER_UP 6
+
+#ifndef HAVE_DECL_CHAR32_T
+#define char32_t uint32_t
+#endif
+
+#ifndef HAVE_DECL_CHAR16_T
+#define char16_t uint16_t
+#endif
+
+#endif