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authorJens Wiklander <jens.wiklander@linaro.org>2018-04-20 16:07:30 +0200
committerJérôme Forissier <jerome.forissier@linaro.org>2018-04-20 17:05:05 +0200
commit1308459d0db08b4c5e9c11625630c5a09d978a72 (patch)
tree10bc5977c6ae1ea2b811c06f4b6643bba7bc7e63 /ta
parent28a6ae1442cd2f78111aba08908cd7449020d2dd (diff)
ta: only export variables containing a value
Only exports variables containing a value to the dev kit conf.mk Suggested-by: Jerome Forissier <jerome.forissier@linaro.org> Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Diffstat (limited to 'ta')
-rw-r--r--ta/ta.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/ta/ta.mk b/ta/ta.mk
index b81f887b..a29843cf 100644
--- a/ta/ta.mk
+++ b/ta/ta.mk
@@ -124,7 +124,7 @@ $(conf-mk-file-export):
$(q)echo sm := $$(sm-$(conf-mk-file-export)) > $$@.tmp
$(q)echo sm-$$(sm-$(conf-mk-file-export)) := y >> $$@.tmp
$(q)($$(foreach v, $$(ta-mk-file-export-vars-$$(sm-$(conf-mk-file-export))), \
- echo $$(v) := $$($$(v));)) >> $$@.tmp
+ $$(if $$($$(v)),echo $$(v) := $$($$(v));,))) >> $$@.tmp
$(q)echo '$$(ta-mk-file-export-add-$$(sm-$(conf-mk-file-export)))' | sed 's/_nl_ */\n/g' >> $$@.tmp
$(q)$(call mv-if-changed,$$@.tmp,$$@)
endef