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-rw-r--r--bits/dlfcn.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/bits/dlfcn.h b/bits/dlfcn.h
index 79604fe..7c33694 100644
--- a/bits/dlfcn.h
+++ b/bits/dlfcn.h
@@ -17,8 +17,9 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#ifndef _BITS_DLFCN_H
-#define _BITS_DLFCN_H 1
+#ifndef _DLFCN_H
+# error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead."
+#endif
/* The MODE argument to `dlopen' contains one of the following: */
#define RTLD_LAZY 0x001 /* Lazy function call binding. */
@@ -29,5 +30,3 @@
the symbols of the loaded object and its dependencies are made
visible as if the object were linked directly into the program. */
#define RTLD_GLOBAL 0x100
-
-#endif /* bits/dlfcn.h */