Ignore when we try to delete nonexisting files

git-svn-id: https://svn.dealii.org/branches/releases/Branch-7-2@26202 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/source/Makefile b/deal.II/source/Makefile
index ba6ba15c31eecf10542498cc453a61ef9e6e6814..ca739fd953648dd3cd1c1a30024cb1d67e0a410c 100644 (file)
--- a/deal.II/source/Makefile
+++ b/deal.II/source/Makefile
@@ -154,12 +154,12 @@ endif
 # rules for static libraries
 $(LIBDIR)/libdeal_II.g$(static-lib-suffix): $(go-files) $(extra-g.o-files)
        @echo "=====deal.II==========debug======$(MT)== Linking library:   $(@F)"
-       @rm $@
+       @-rm $@
        @$(AR) r $@ $(go-files) $(extra-g.o-files)
        @$(RANLIB) $@
 $(LIBDIR)/libdeal_II$(static-lib-suffix): $(o-files) $(extra-o-files)
        @echo "=====deal.II==========optimized==$(MT)== Linking library:   $(@F)"
-       @rm $@
+       @-rm $@
        @$(AR) r $@ $(o-files) $(extra-o-files)
        @$(RANLIB) $@