add parens, s/|/;/

diff --git a/m4/Makefile.am.in b/m4/Makefile.am.in
index dbf1f0bafe10411cd3888e966c858a1d850ab9e5..1e3495feceb277a5d0252cc26f43501fce8ebd2b 100644 (file)
--- a/m4/Makefile.am.in
+++ b/m4/Makefile.am.in
@@ -6,8 +6,8 @@
 Makefile.am: Makefile.am.in
        rm -f $@ $@t
        sed -n '1,/^##m4-files-begin/p' $< > $@t
-       (echo EXTRA_DIST = README Makefile.am.in | tr '\012' @) \
-         |(echo *.m4|tr ' ' @) \
+       ( (echo EXTRA_DIST = README Makefile.am.in | tr '\012' @); \
+         (echo *.m4|tr ' ' @) ) \
          |sed 's/@$$/%/;s/@/ \\@/g' |tr @% '\012\012' \
          >> $@t
        sed -n '/^##m4-files-end/,$$p' $< >> $@t