autosetup fix for top_srcdir

0001-top_srcdir-should-be-a-relative-directory.patch

From 38dbeb4a3cf9c7c08b6b54bbf1956018ef55a394 Mon Sep 17 00:00:00 2001
From: Steve Bennett <steveb@workware.net.au>
Date: Sun, 1 Mar 2015 09:50:20 +1000
Subject: [PATCH] @top_srcdir@ should be a relative directory

When substituted in make-template, @top_srcdir@ should be
adjusted like @srcdir@ according to the current output directory.

Reported-by: Baptiste Daroussin <bapt@freebsd.org>
Signed-off-by: Steve Bennett <steveb@workware.net.au>
---
 examples/testbed/subdir/Makefile.in | 3 +++
 lib/system.tcl                      | 8 +++++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/examples/testbed/subdir/Makefile.in b/examples/testbed/subdir/Makefile.in
index 3f4831b..556c715 100644
--- a/examples/testbed/subdir/Makefile.in
+++ b/examples/testbed/subdir/Makefile.in
@@ -4,3 +4,6 @@ CC = @CC@
 # This one is special in that it will be relative
 # to where this file is created
 srcdir = @srcdir@
+
+# And this will be relative to the top level source directory
+top_srcdir = @top_srcdir@
diff --git a/lib/system.tcl b/lib/system.tcl
index 2712e39..0166616 100644
--- a/lib/system.tcl
+++ b/lib/system.tcl
@@ -109,9 +109,10 @@ proc write-if-changed {file buf {script {}}} {
 # Each pattern of the form @define@ is replaced the the corresponding
 # define, if it exists, or left unchanged if not.
 # 
-# The special value @srcdir@ is subsituted with the relative
+# The special value @srcdir@ is substituted with the relative
 # path to the source directory from the directory where the output
-# file is created. Use @top_srcdir@ for the absolute path.
+# file is created, while the special value @top_srcdir@ is substituted
+# with the relative path to the top level source directory.
 #
 # Conditional sections may be specified as follows:
 ## @if name == value
@@ -153,8 +154,9 @@ proc make-template {template {out {}}} {
 	# Make sure the directory exists
 	file mkdir $outdir
 
-	# Set up srcdir to be relative to the target dir
+	# Set up srcdir and top_srcdir to be relative to the target dir
 	define srcdir [relative-path [file join $::autosetup(srcdir) $outdir] $outdir]
+	define top_srcdir [relative-path $::autosetup(srcdir) $outdir]
 
 	set mapping {}
 	foreach {n v} [array get ::define] {
-- 
1.9.3 (Apple Git-50)

It works perfectly thank you