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-rw-r--r--cpukit/libnetworking/sys/ucred.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/cpukit/libnetworking/sys/ucred.h b/cpukit/libnetworking/sys/ucred.h
index e26bacd15a..9a6ff1499b 100644
--- a/cpukit/libnetworking/sys/ucred.h
+++ b/cpukit/libnetworking/sys/ucred.h
@@ -37,6 +37,10 @@
#ifndef _SYS_UCRED_H_
#define _SYS_UCRED_H_
+#if defined(__rtems__)
+#include <sys/param.h> /* NGROUPS */
+#endif
+
/*
* Credentials.
*/