mk: allow duplicate linker flags in libraries list

Since [1] duplicates in LDLIBS are removed. The side effect is that it
does not distinguish between libraries or linker flags.

This patch allows multiple linker flags in LDLIBS, such as
--whole-archive.

[1] Commit: edf4d331dcdb ("mk: eliminate duplicates from libraries list")

Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>

diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index 83314ca..bf8bcf9 100644 (file)
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -166,7 +166,8 @@ LDLIBS += $(_LDLIBS-y) $(CPU_LDLIBS) $(EXTRA_LDLIBS)
 
 # Eliminate duplicates without sorting
 LDLIBS := $(shell echo $(LDLIBS) | \
-       awk '{for (i = 1; i <= NF; i++) { if (!seen[$$i]++) print $$i }}')
+       awk '{for (i = 1; i <= NF; i++) { \
+               if ($$i !~ /^-l.*/ || !seen[$$i]++) print $$i }}')
 
 ifeq ($(RTE_DEVEL_BUILD)$(CONFIG_RTE_BUILD_SHARED_LIB),yy)
 LDFLAGS += -rpath=$(RTE_SDK_BIN)/lib