4204

1 files changed, 2 insertions, 2 deletions

diff --git a/build b/build
index 5a3cae9e..dda1c974 100755
--- a/build
+++ b/build
@@ -90,7 +90,7 @@ older_than tangle/tangle tangle/*.cc && {
   noisy_cd ..  # no effect; just to show us returning to the parent directory
 }
 
-LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER  |grep '.cc$')
+LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER  |grep '\.cc$')
 older_than mu.cc $LAYERS enumerate/enumerate tangle/tangle && {
   # no update here; rely on 'update' calls downstream
   ./tangle/tangle $LAYERS  > mu.cc
@@ -134,7 +134,7 @@ older_than mu_bin mu.cc *_list cleave/cleave termbox/* && {
 
 ## [0-9]*.mu -> core.mu
 
-MU_LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER  |grep '.mu$') || exit 0  # ok if no .mu files
+MU_LAYERS=$(./enumerate/enumerate --until $UNTIL_LAYER  |grep '\.mu$') || exit 0  # ok if no .mu files
 cat $MU_LAYERS  |update core.mu
 
 exit 0