From dcc674aba4c69b06a7d58eda49b79849900750f8 Mon Sep 17 00:00:00 2001
From: das <das>
Date: Wed, 14 Jun 2006 21:11:35 +0000
Subject: 	* unix/tclUnixPort.h (Darwin): support for
 MAC_OS_X_VERSION_MAX_ALLOWED 	define from AvailabilityMacros.h: override
 configure detection and only 	use API available in the indicated OS version
 or earlier.

---
 ChangeLog          |  6 ++++++
 unix/tclUnixPort.h | 37 +++++++++++++++++++++++++++----------
 2 files changed, 33 insertions(+), 10 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 1f3cea0..0a8413a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2006-06-14  Daniel Steffen  <das@users.sourceforge.net>
+
+	* unix/tclUnixPort.h (Darwin): support for MAC_OS_X_VERSION_MAX_ALLOWED
+	define from AvailabilityMacros.h: override configure detection and only
+	use API available in the indicated OS version or earlier.
+
 2006-06-14  Donal K. Fellows  <donal.k.fellows@manchester.ac.uk>
 
 	* doc/format.n, doc/scan.n: Added examples for converting between
diff --git a/unix/tclUnixPort.h b/unix/tclUnixPort.h
index 43abe56..73a0b67 100644
--- a/unix/tclUnixPort.h
+++ b/unix/tclUnixPort.h
@@ -19,7 +19,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclUnixPort.h,v 1.46 2006/03/17 10:17:47 mistachkin Exp $
+ * RCS: @(#) $Id: tclUnixPort.h,v 1.47 2006/06/14 21:11:35 das Exp $
  */
 
 #ifndef _TCLUNIXPORT
@@ -502,25 +502,42 @@ extern double strtod();
 #define TclpPanic ((Tcl_PanicProc *) NULL)
 
 /*
- * Darwin specifc configure overrides (to support fat compiles, where
- * configure runs only once for multiple architectures):
+ * Darwin specifc configure overrides.
  */
 
 #ifdef __APPLE__
+/* 
+ * Support for fat compiles: configure runs only once for multiple architectures
+ */
 #   ifdef __LP64__
 #       undef HAVE_COREFOUNDATION
 #    endif /* __LP64__ */
 #   include <sys/cdefs.h>
-#   if defined(__DARWIN_UNIX03)
+#   ifdef __DARWIN_UNIX03
 #       if __DARWIN_UNIX03
 #           undef HAVE_PUTENV_THAT_COPIES
-#        else /* !__DARWIN_UNIX03 */
+#       else
 #           define HAVE_PUTENV_THAT_COPIES 1
-#        endif /* __DARWIN_UNIX03 */
-#        define USE_TERMIOS 1
-#        undef USE_TERMIO
-#        undef USE_SGTTY
-#    endif /* defined(__DARWIN_UNIX03) */
+#       endif
+#       define USE_TERMIOS 1
+#       undef USE_TERMIO
+#       undef USE_SGTTY
+#   endif /* __DARWIN_UNIX03 */
+/*
+ * Support for MAC_OS_X_VERSION_MAX_ALLOWED define from AvailabilityMacros.h:
+ * only use API available in the indicated OS version or earlier.
+ */
+#   ifdef MAC_OS_X_VERSION_MAX_ALLOWED
+#       if MAC_OS_X_VERSION_MAX_ALLOWED < 1040
+#           undef HAVE_OSSPINLOCKLOCK
+#           undef HAVE_PTHREAD_ATFORK
+#           undef HAVE_COPYFILE
+#       endif
+#       if MAC_OS_X_VERSION_MAX_ALLOWED < 1030
+#           define NO_REALPATH 1
+#           undef HAVE_LANGINFO
+#       endif
+#   endif /* MAC_OS_X_VERSION_MAX_ALLOWED */
 #endif /* __APPLE__ */
 
 /*
-- 
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