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-rw-r--r--mk/rte.app.mk19
1 files changed, 15 insertions, 4 deletions
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index f75f0e24..725e01df 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -168,10 +168,21 @@ _LDLIBS-y += $(EXECENV_LDLIBS)
LDLIBS += $(_LDLIBS-y) $(CPU_LDLIBS) $(EXTRA_LDLIBS)
-# Eliminate duplicates without sorting
-LDLIBS := $(shell echo $(LDLIBS) | \
- awk '{for (i = 1; i <= NF; i++) { \
- if ($$i !~ /^-l.*/ || !seen[$$i]++) print $$i }}')
+# all the words except the first one
+allbutfirst = $(wordlist 2,$(words $(1)),$(1))
+
+# Eliminate duplicates without sorting, only keep the last occurrence
+filter-libs = \
+ $(if $(1),$(strip\
+ $(if \
+ $(and \
+ $(filter $(firstword $(1)),$(call allbutfirst,$(1))),\
+ $(filter -l%,$(firstword $(1)))),\
+ ,\
+ $(firstword $(1))) \
+ $(call filter-libs,$(call allbutfirst,$(1)))))
+
+LDLIBS := $(call filter-libs,$(LDLIBS))
ifeq ($(RTE_DEVEL_BUILD)$(CONFIG_RTE_BUILD_SHARED_LIB),yy)
LDFLAGS += -rpath=$(RTE_SDK_BIN)/lib