From 0797b1df45593f4f6ba95d2a86582499ef0da43a Mon Sep 17 00:00:00 2001
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Date: Thu, 2 Apr 2015 18:14:23 +0200
Subject: [PATCH] mk: reduce PDF build commands

In case of documents without image, an empty rm command can be seen if V=1.
Remove it to avoid disturbing debugging.

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Acked-by: Siobhan Butler <siobhan.a.butler@intel.com>
---
 mk/rte.sdkdoc.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mk/rte.sdkdoc.mk b/mk/rte.sdkdoc.mk
index f91e079825..9952f25885 100644
--- a/mk/rte.sdkdoc.mk
+++ b/mk/rte.sdkdoc.mk
@@ -99,7 +99,7 @@ guides-pdf-%:
 	$(Q)$(RTE_SPHINX_BUILD) -b latex $(RTE_SPHINX_VERBOSE) \
 		-c $(RTE_SDK)/doc/guides $(RTE_SDK)/doc/guides/$* \
 		$(RTE_OUTPUT)/doc/pdf/guides/$*
-	$(Q)rm -f $^
+	$(if $^,$(Q)rm -f $^)
 	@echo 'pdflatex processing $@...'
 	$(Q)$(MAKE) all-pdf -sC $(RTE_OUTPUT)/doc/pdf/guides/$* \
 		LATEXOPTS=$(RTE_PDFLATEX_VERBOSE)
-- 
2.20.1