[dpdk-dev] Compiling DPDK is not working on Red Hat 6.7
Thomas Monjalon
thomas.monjalon at 6wind.com
Tue Jul 12 14:15:39 CEST 2016
Hi,
2016-07-12 11:35, Raslan Darawsheh:
> I think the option is there as you see:
>
[...]
> -Wl,--as-needed -Wl,-lrt -Wl,-lm |...] -Wl,-lrte_eal
[...]
> eal_timer.c:(.text+0x152): undefined reference to `clock_gettime'
I suspect we need -lrt after -lrte_eal.
Please could you try the following patch?
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -176,6 +176,8 @@ ifeq ($(RTE_DEVEL_BUILD)$(CONFIG_RTE_BUILD_SHARED_LIB),yy)
LDFLAGS += -rpath=$(RTE_SDK_BIN)/lib
endif
+MAPFLAGS = -Map=$@.map --cref
+
.PHONY: all
all: install
@@ -190,15 +192,13 @@ build: _postbuild
exe2cmd = $(strip $(call dotfile,$(patsubst %,%.cmd,$(1))))
ifeq ($(LINK_USING_CC),1)
-override EXTRA_LDFLAGS := $(call linkerprefix,$(EXTRA_LDFLAGS))
-O_TO_EXE = $(CC) $(CFLAGS) \
- $(call linkerprefix,$(LDLIBS)) \
- $(call linkerprefix,$(LDFLAGS)) $(LDFLAGS_$(@)) $(EXTRA_LDFLAGS) \
- -Wl,-Map=$(@).map,--cref -o $@ $(OBJS-y)
+O_TO_EXE = $(CC) -o $@ $(CFLAGS) $(OBJS-y) $(call linkerprefix, \
+ $(LDLIBS) $(LDFLAGS) $(LDFLAGS_$(@)) $(EXTRA_LDFLAGS) \
+ $(MAPFLAGS))
else
-O_TO_EXE = $(LD) $(LDLIBS) \
- $(LDFLAGS) $(LDFLAGS_$(@)) $(EXTRA_LDFLAGS) \
- -Map=$(@).map --cref -o $@ $(OBJS-y)
+O_TO_EXE = $(LD) -o $@ $(OBJS-y)
+ $(LDLIBS) $(LDFLAGS) $(LDFLAGS_$(@)) $(EXTRA_LDFLAGS) \
+ $(MAPFLAGS)
endif
O_TO_EXE_STR = $(subst ','\'',$(O_TO_EXE)) #'# fix syntax highlight
O_TO_EXE_DISP = $(if $(V),"$(O_TO_EXE_STR)"," LD $(@)")
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