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-rw-r--r--posix/regex.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/posix/regex.h b/posix/regex.h
index 3fa93e5033..d88ab92bd4 100644
--- a/posix/regex.h
+++ b/posix/regex.h
@@ -505,7 +505,7 @@ extern void re_set_registers
   _RE_ARGS ((struct re_pattern_buffer *buffer, struct re_registers *regs,
              unsigned num_regs, regoff_t *starts, regoff_t *ends));
 
-#ifdef _REGEX_RE_COMP
+#if defined _REGEX_RE_COMP || defined _LIBC
 # ifndef _CRAY
 /* 4.2 bsd compatibility.  */
 extern char *re_comp _RE_ARGS ((const char *));