build: use date format string instead of -R for portability

[debian/gnuradio] / gr-howto-write-a-block / bootstrap

diff --git a/gr-howto-write-a-block/bootstrap b/gr-howto-write-a-block/bootstrap
index 776815c564adce1c096899fe110a0ceb0b8940d7..2412a7a8200e33dbe80367eefc4c187a44340f4c 100755 (executable)
--- a/gr-howto-write-a-block/bootstrap
+++ b/gr-howto-write-a-block/bootstrap
@@ -25,5 +25,5 @@ rm -fr config.cache autom4te*.cache
 aclocal -I config
 autoconf
 autoheader
-libtoolize --automake
+libtoolize --automake -c -f
 automake --add-missing -c -f -Wno-portability