# HG changeset patch
# User Jim Meyering <jim@meyering.net>
# Date 783493825 0
# Node ID ef0e0232e54ec8675b92dcb30384906f67e3d0df
# Parent  516dbf4873737e4c7d86b23de2b49375b2fb5bee
GNU text utilities

diff --git a/lib/regex.c b/lib/regex.c
--- a/lib/regex.c
+++ b/lib/regex.c
@@ -4934,9 +4934,9 @@
 }     
 
 /* Entry points compatible with 4.2 BSD regex library.  We don't define
-   them if this is an Emacs or POSIX compilation.  */
-
-#if !defined (emacs) && !defined (_POSIX_SOURCE)
+   them unless specifically requested.  */
+
+#ifdef _REGEX_RE_COMP
 
 /* BSD has one and only one pattern buffer.  */
 static struct re_pattern_buffer re_comp_buf;
@@ -4987,7 +4987,7 @@
   return
     0 <= re_search (&re_comp_buf, s, len, 0, len, (struct re_registers *) 0);
 }
-#endif /* not emacs and not _POSIX_SOURCE */
+#endif /* _REGEX_RE_COMP */
 
 /* POSIX.2 functions.  Don't define these for Emacs.  */
 
diff --git a/lib/regex.h b/lib/regex.h
--- a/lib/regex.h
+++ b/lib/regex.h
@@ -460,9 +460,11 @@
   _RE_ARGS ((struct re_pattern_buffer *buffer, struct re_registers *regs,
              unsigned num_regs, regoff_t *starts, regoff_t *ends));
 
+#ifdef _REGEX_RE_COMP
 /* 4.2 bsd compatibility.  */
 extern char *re_comp _RE_ARGS ((const char *));
 extern int re_exec _RE_ARGS ((const char *));
+#endif
 
 /* POSIX compatibility.  */
 extern int regcomp _RE_ARGS ((regex_t *preg, const char *pattern, int cflags));