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-rw-r--r--gr-howto-write-a-block/doc/Makefile.am2
1 files changed, 1 insertions, 1 deletions
diff --git a/gr-howto-write-a-block/doc/Makefile.am b/gr-howto-write-a-block/doc/Makefile.am
index 07e6f59613..5ca6a5a394 100644
--- a/gr-howto-write-a-block/doc/Makefile.am
+++ b/gr-howto-write-a-block/doc/Makefile.am
@@ -72,7 +72,7 @@ howto_square2_ff.h.xml: $(top_srcdir)/src/lib/howto_square2_ff.h make_numbered_l
# ----------------------------------------------------------------
clean:
- -rm -f $(TARGETS) $(BUILT_XML_FILES)
+ -${RM} -f $(TARGETS) $(BUILT_XML_FILES)
%.html : %.xml
xmlto html-nochunks $<