Shorten autogen.sh script

* autogen.sh: Use a shorter script, as some 'sed' implementations
mishandle long scripts.

diff --git a/autogen.sh b/autogen.sh
index e5b3eadf33e0e717d5fa6e433e162560dc49b49c..2021c771fc85f9ac4965b2c2ca37fafa9df96532 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -224,8 +224,8 @@ Please report any problems with this script to bug-gnu-emacs@gnu.org .'
   ## Create nt/gnulib.mk if it doesn't exist, as autoreconf will need it.
   if test ! -f nt/gnulib.mk; then
       echo 'Inferring nt/gnulib.mk from lib/gnulib.mk ...'
-      metascript='/^[^#]/s|^.*$|/^## begin  *gnulib module &/,/^## end  *gnulib module &/d|'
-      script=`sed "$metascript" nt/gnulib-modules-to-delete.cfg` || exit
+      metascript='/^[^#]/s|^.*$|/^## begin  *gnulib module &/,/^## end  *gnulib module &/d|p'
+      script=`sed -n "$metascript" nt/gnulib-modules-to-delete.cfg` || exit
       sed "$script" lib/gnulib.mk > nt/gnulib.mk || exit
   fi