Improved autogen.sh

* update in the source directory
* make symbolic links instead of copies
* forward the arguments to autoreconf as-is

autogen.sh

@@ -1,3 +1,9 @@
 #!/bin/sh
 
-${AUTORECONF:-autoreconf} --install $*
+PWD=
+case "$0" in
+*/*) srcdir="${0%/*}/";;
+*) srcdir="";;
+esac
+
+exec ${AUTORECONF:-autoreconf} --install --symlink "$@" ${srcdir:+"$srcdir"}