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-rw-r--r--doxygen/Makefile6
1 files changed, 5 insertions, 1 deletions
diff --git a/doxygen/Makefile b/doxygen/Makefile
index df7d07d72ea..f3ddb2c991c 100644
--- a/doxygen/Makefile
+++ b/doxygen/Makefile
@@ -63,7 +63,11 @@ SIPHON_DOCS = $(addprefix $(SIPHON_OUTPUT)/,$(addsuffix .md,$(SIPHONS)))
$(BR)/.doxygen-bootstrap.ok:
ifeq ($(OS_ID),ubuntu)
- @sudo -E apt-get $(CONFIRM) $(FORCE) install $(DOC_DEB_DEPENDS)
+ @set -e; inst=; \
+ for i in $(DOC_DEB_DEPENDS); do \
+ dpkg-query --show $$i >/dev/null 2>&1 || inst="$$inst $$i"; \
+ done; \
+ [ "$$inst" ] && sudo apt-get $(CONFIRM) $(FORCE) install $$inst
else ifneq ("$(wildcard /etc/redhat-release)","")
@sudo yum install $(CONFIRM) $(DOC_RPM_DEPENDS)
else