* unix/configure: Use FTS file APIs on Darwin if available.

	* unix/tcl.m4:        Addresses file delete issues in readdir noted
	* unix/tclUnixFCmd.c: in [Bug 1034337]. (steffen)
	Reduce on stat call in DoCopyFile. (steffen)

1 files changed, 66 insertions, 0 deletions

diff --git a/unix/configure b/unix/configure
index be870d8..43d1a82 100755
--- a/unix/configure
+++ b/unix/configure
@@ -7897,6 +7897,72 @@ _ACEOF
 fi
 done
 
+	    echo "$as_me:$LINENO: checking for fts" >&5
+echo $ECHO_N "checking for fts... $ECHO_C" >&6
+if test "${tcl_cv_api_fts+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+		cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/param.h>
+			#include <sys/stat.h>
+			#include <fts.h>
+int
+main ()
+{
+char*const p[2] = {"/", NULL};
+		    	FTS *f = fts_open(p, FTS_PHYSICAL|FTS_NOCHDIR|FTS_NOSTAT, NULL);
+			FTSENT *e = fts_read(f); fts_close(f);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  tcl_cv_api_fts=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+tcl_cv_api_fts=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $tcl_cv_api_fts" >&5
+echo "${ECHO_T}$tcl_cv_api_fts" >&6
+	    if test $tcl_cv_api_fts = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_FTS 1
+_ACEOF
+
+	    fi
 
 cat >>confdefs.h <<\_ACEOF
 #define MAC_OSX_TCL 1