Unbreak macOS build

* autogen.sh (gnulib.mk): Don't use non-portable extensions of GNU
Sed.

diff --git a/autogen.sh b/autogen.sh
index f6bfde6afb2064cdd6e9281abdd77318c539e07f..1ba925380c9247c80ee4b4ca31cfd6b88fc48007 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -224,7 +224,7 @@ 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|^.*$|/^## begin  *gnulib module &/,/^## end  *gnulib module &/c ## gnulib module & removed|'
+      metascript='/^[^#]/s|^.*$|/^## begin  *gnulib module &/,/^## end  *gnulib module &/c\\\'\n'## gnulib module & removed|'
       script=`sed "$metascript" nt/gnulib-modules-to-delete.cfg` || exit
       sed "$script" lib/gnulib.mk > nt/gnulib.mk || exit
   fi