[PATCH] Configure outside of source tree

[Kyle Grieb]

This will allow 'configure' to be called outside of the sources tree.
Example: /tmp/foo/crosstool-ng/configure
-- 
Kyle Grieb
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# HG changeset patch
# User Kyle Grieb <Grieb.Kyle@Gmail.com>
# Date 1300332448 21600
# Node ID f449fb72f867f7af47e79cc20944db9b32a47c45
# Parent  805e9f2a06fafd071f261cb4a70aecb8fb90aa65
Configure outside source tree.

diff -r 805e9f2a06fa -r f449fb72f867 configure
--- a/configure	Mon Mar 14 22:16:01 2011 +0100
+++ b/configure	Wed Mar 16 21:27:28 2011 -0600
@@ -1,8 +1,9 @@
 #!/bin/sh
 
 myname="${0##*/}"
+mypath="${0%/*}"
 
-VERSION=$( cat .version )
+VERSION=$( cat "${mypath}/.version" )
 DATE=$( date +%Y%m%d )
 
 PREFIX_DEFAULT=/usr/local
@@ -391,12 +392,12 @@
 printf "Computing version string... "
 case "${VERSION}" in
     *+hg|hg)
-        REVISION="$( hg id -n 2>/dev/null || true )"
+        REVISION="$( hg --cwd "$mypath" id -n 2>/dev/null || true )"
         case "${REVISION}" in
             "")
                 VERSION="${VERSION}_unknown@$( date +%Y%m%d.%H%M%S )";;
             *)
-                VERSION="${VERSION}_$( hg id -b )@${REVISION%%+}_$( hg id -i )"
+                VERSION="${VERSION}_$( hg --cwd "$mypath" id -b )@${REVISION%%+}_$( hg --cwd "$mypath" id -i )"
                 ;;
         esac
         # Arrange to have no / in the directory name, no need to create an
@@ -447,7 +448,7 @@
                 s,@@VERSION@@,${VERSION},g
                 s,@@DATE@@,${DATE},g
                 ${var_sed}
-                s,@@LOCAL@@,${LOCAL_set},g"  Makefile.in >Makefile
+                s,@@LOCAL@@,${LOCAL_set},g"  "${mypath}/Makefile.in" >"${mypath}/Makefile"
 echo "done"
 
 cat <<__EOF__

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