--- old/build/pkgs/singular/spkg-install	2017-10-15 10:35:41.826540964 -0500
+++ new/build/pkgs/singular/spkg-install	2017-10-15 10:36:40.613743443 -0500
@@ -4,6 +4,9 @@
 ## Singular
 ###########################################
 
+find . -type f -exec sed -e 's@/bin/rm@rm@g' -i '{}' ';'
+#echo '#!/usr/bin/env bash\nIgnoring missing $1' > src/build-aux/missing
+
 if [ -z "$SAGE_LOCAL" ]; then
     echo >&2 "Error: SAGE_LOCAL undefined -- exiting..."
     echo >&2 "Maybe run 'sage -sh'?"