Use cp -R rather than cp -a for portability reasons

diff --git a/libraries/Makefile b/libraries/Makefile
index 694adae..e0ecc62 100644 (file)
--- a/libraries/Makefile
+++ b/libraries/Makefile
@@ -99,7 +99,7 @@ $(foreach SUBDIR,$(SUBDIRS),$(SUBDIR)/setup/Setup): \
 
 stamp/$(BOOTSTRAPPING_CABAL):
        $(RM) -rf $(BOOTSTRAPPING_CABAL)
-       $(CP) -a Cabal $(BOOTSTRAPPING_CABAL)
+       $(CP) -R Cabal $(BOOTSTRAPPING_CABAL)
        $(FIND) $(BOOTSTRAPPING_CABAL) \( -name "*.o" -o -name "*.hi" \) -exec $(RM) -f {} \;
        touch $@