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-rw-r--r--lib-src/test-distrib.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib-src/test-distrib.c b/lib-src/test-distrib.c
index dc5adb5789c..01897b83a7f 100644
--- a/lib-src/test-distrib.c
+++ b/lib-src/test-distrib.c
@@ -2,6 +2,12 @@
#include <config.h>
#endif
+/* Cancel substitutions made by config.h for Emacs. */
+#undef open
+#undef read
+#undef write
+#undef close
+
#include <stdio.h>
#ifndef O_RDONLY