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?RCS: $Id$
?RCS:
?RCS: Copyright (c) 1996, Cygnus Support
?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
?RCS:
?RCS: You may redistribute only under the terms of the Artistic Licence,
?RCS: as specified in the README file that comes with the distribution.
?RCS: You may reuse parts of this distribution only within the terms of
?RCS: that same Artistic Licence; a copy of which may be found at the root
?RCS: of the source tree for dist 4.0.
?RCS:
?RCS: Original Author: Tom Tromey <tromey@cygnus.com>
?RCS:
?RCS: $Log: src.U,v $
?RCS: Revision 3.0.1.1 1997/02/28 16:23:54 ram
?RCS: patch61: created
?RCS:
?MAKE:src +rsrc: Options package contains
?MAKE: -pick add $@ %<
?Y:TOP
?S:src (srcdir):
?S: This variable holds the (possibly relative) path of the package source.
?S: It is up to the Makefile to use this variable and set VPATH accordingly
?S: to find the sources remotely. Use $pkgsrc to have an absolute path.
?S:.
?S:rsrc (relsrcdir):
?S: This variable holds a potentially relative path to the package
?S: source. The contents are correct for the configuration environment,
?S: i.e. there might be an extra .. prepended to get out of the UU dir.
?S: Configure units should use this, not the src variable.
?S:.
: Find the path to the source tree
case "$src" in
'') case "$0" in
*/*)
src=`echo $0 | sed -e 's%/[^/][^/]*$%%'`
;;
*) src='.';;
esac;;
esac
case "$src" in
'') src=/
rsrc=/
;;
/*) rsrc="$src";;
*) rsrc="../$src";;
esac
?X:
?X: Now check whether we have found the right source tree (i.e. the one for the
?X: package we're abount to configure). The original unit from Tom Tromey forced
?X: the user to pick a unique file from his distribution, and we were merely
?X: checking the existence of that file. I prefer to rely on Configure (which
?X: we know *is* present since this unit is part of it!) and look for the
?X: definition of the package variable, making sure it's the same as ours.
?X: If it matches, we know we found the right source tree. -- RAM, 15/03/96
?X:
if test -f $rsrc/Configure && \
$contains "^package='$package'\$" $rsrc/Configure >/dev/null 2>&1
then
: found it, so we are ok.
else
?X: Otherwise try "." and up to 4 parent directories...
?X: Note that we prepend a ".." to get out of the configuration environment.
rsrc=''
for src in . .. ../.. ../../.. ../../../..; do
if test -f ../$src/Configure && \
$contains "^package=$package$" ../$src/Configure >/dev/null 2>&1
then
rsrc=../$src
break
fi
done
fi
case "$rsrc" in
'')
cat <<EOM >&4
Sorry, I can't seem to locate the source dir for $package. Please start
Configure with an explicit path -- i.e. /some/path/Configure.
EOM
exit 1
;;
?X: Don't echo anything if the sources are in . -- they should know already ;-)
?X: In that case, rsrc is ../. since we lookup from within UU
../.) rsrc='..';;
*)
echo " "
echo "Sources for $package found in \"$src\"." >&4
;;
esac
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