bf5a46fa59
Up to now dependencies between DPDK internal libraries have been
untracked at shared library level, requiring applications to know
about library internal dependencies and often consequently overlinking.
Since the dependencies are already recorded for build ordering in the
makefiles with DEPDIRS-y we can use that information to generate LDLIBS
entries for internal libraries automatically.
Also revert commit 8180554d82 ("vhost: fix linkage of driver with
library") which is made redundant by this change.
Signed-off-by: Panu Matilainen <pmatilai@redhat.com>
Acked-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
200 lines
6.4 KiB
Makefile
200 lines
6.4 KiB
Makefile
# BSD LICENSE
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#
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# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Intel Corporation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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include $(RTE_SDK)/mk/internal/rte.compile-pre.mk
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include $(RTE_SDK)/mk/internal/rte.install-pre.mk
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include $(RTE_SDK)/mk/internal/rte.clean-pre.mk
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include $(RTE_SDK)/mk/internal/rte.build-pre.mk
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include $(RTE_SDK)/mk/internal/rte.depdirs-pre.mk
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EXTLIB_BUILD ?= n
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# VPATH contains at least SRCDIR
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VPATH += $(SRCDIR)
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ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
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LIB := $(patsubst %.a,%.so.$(LIBABIVER),$(LIB))
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ifeq ($(EXTLIB_BUILD),n)
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ifeq ($(CONFIG_RTE_NEXT_ABI),y)
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LIB := $(LIB).1
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endif
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CPU_LDFLAGS += --version-script=$(SRCDIR)/$(EXPORT_MAP)
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endif
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endif
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_BUILD = $(LIB)
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_INSTALL = $(INSTALL-FILES-y) $(SYMLINK-FILES-y) $(RTE_OUTPUT)/lib/$(LIB)
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_CLEAN = doclean
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.PHONY: all
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all: install
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.PHONY: install
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install: build _postinstall
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_postinstall: build
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.PHONY: build
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build: _postbuild
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exe2cmd = $(strip $(call dotfile,$(patsubst %,%.cmd,$(1))))
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ifeq ($(LINK_USING_CC),1)
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# Override the definition of LD here, since we're linking with CC
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LD := $(CC) $(CPU_CFLAGS)
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_CPU_LDFLAGS := $(call linkerprefix,$(CPU_LDFLAGS))
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override EXTRA_LDFLAGS := $(call linkerprefix,$(EXTRA_LDFLAGS))
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else
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_CPU_LDFLAGS := $(CPU_LDFLAGS)
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endif
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# Translate DEPDIRS-y into LDLIBS
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# Ignore (sub)directory dependencies which do not provide an actual library
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_IGNORE_DIRS = lib/librte_eal/% lib/librte_net lib/librte_compat
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_DEPDIRS = $(filter-out $(_IGNORE_DIRS),$(DEPDIRS-y))
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_LDDIRS = $(subst librte_ether,libethdev,$(_DEPDIRS))
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LDLIBS += $(subst lib/lib,-l,$(_LDDIRS))
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O_TO_A = $(AR) crDs $(LIB) $(OBJS-y)
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O_TO_A_STR = $(subst ','\'',$(O_TO_A)) #'# fix syntax highlight
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O_TO_A_DISP = $(if $(V),"$(O_TO_A_STR)"," AR $(@)")
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O_TO_A_CMD = "cmd_$@ = $(O_TO_A_STR)"
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O_TO_A_DO = @set -e; \
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echo $(O_TO_A_DISP); \
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$(O_TO_A) && \
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echo $(O_TO_A_CMD) > $(call exe2cmd,$(@))
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O_TO_S = $(LD) -L$(RTE_OUTPUT)/lib $(_CPU_LDFLAGS) $(EXTRA_LDFLAGS) \
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-shared $(OBJS-y) $(LDLIBS) -Wl,-soname,$(LIB) -o $(LIB)
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O_TO_S_STR = $(subst ','\'',$(O_TO_S)) #'# fix syntax highlight
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O_TO_S_DISP = $(if $(V),"$(O_TO_S_STR)"," LD $(@)")
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O_TO_S_DO = @set -e; \
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echo $(O_TO_S_DISP); \
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$(O_TO_S) && \
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echo $(O_TO_S_CMD) > $(call exe2cmd,$(@))
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ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),n)
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O_TO_C = $(AR) crus $(LIB_ONE) $(OBJS-y)
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O_TO_C_STR = $(subst ','\'',$(O_TO_C)) #'# fix syntax highlight
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O_TO_C_DISP = $(if $(V),"$(O_TO_C_STR)"," AR_C $(@)")
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O_TO_C_DO = @set -e; \
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$(lib_dir) \
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$(copy_obj)
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else
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O_TO_C = $(LD) -shared $(OBJS-y) -o $(LIB_ONE)
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O_TO_C_STR = $(subst ','\'',$(O_TO_C)) #'# fix syntax highlight
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O_TO_C_DISP = $(if $(V),"$(O_TO_C_STR)"," LD_C $(@)")
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O_TO_C_DO = @set -e; \
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$(lib_dir) \
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$(copy_obj)
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endif
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copy_obj = cp -f $(OBJS-y) $(RTE_OUTPUT)/build/lib;
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lib_dir = [ -d $(RTE_OUTPUT)/lib ] || mkdir -p $(RTE_OUTPUT)/lib;
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-include .$(LIB).cmd
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#
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# Archive objects in .a file if needed
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#
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ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
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$(LIB): $(OBJS-y) $(DEP_$(LIB)) FORCE
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ifeq ($(LIBABIVER),)
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@echo "Must Specify a $(LIB) ABI version"
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@false
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endif
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@[ -d $(dir $@) ] || mkdir -p $(dir $@)
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$(if $(D),\
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@echo -n "$< -> $@ " ; \
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echo -n "file_missing=$(call boolean,$(file_missing)) " ; \
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echo -n "cmdline_changed=$(call boolean,$(call cmdline_changed,$(O_TO_S_STR))) " ; \
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echo -n "depfile_missing=$(call boolean,$(depfile_missing)) " ; \
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echo "depfile_newer=$(call boolean,$(depfile_newer)) ")
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$(if $(or \
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$(file_missing),\
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$(call cmdline_changed,$(O_TO_S_STR)),\
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$(depfile_missing),\
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$(depfile_newer)),\
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$(O_TO_S_DO))
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else
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$(LIB): $(OBJS-y) $(DEP_$(LIB)) FORCE
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@[ -d $(dir $@) ] || mkdir -p $(dir $@)
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$(if $(D),\
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@echo -n "$< -> $@ " ; \
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echo -n "file_missing=$(call boolean,$(file_missing)) " ; \
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echo -n "cmdline_changed=$(call boolean,$(call cmdline_changed,$(O_TO_A_STR))) " ; \
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echo -n "depfile_missing=$(call boolean,$(depfile_missing)) " ; \
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echo "depfile_newer=$(call boolean,$(depfile_newer)) ")
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$(if $(or \
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$(file_missing),\
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$(call cmdline_changed,$(O_TO_A_STR)),\
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$(depfile_missing),\
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$(depfile_newer)),\
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$(O_TO_A_DO))
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endif
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#
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# install lib in $(RTE_OUTPUT)/lib
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#
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$(RTE_OUTPUT)/lib/$(LIB): $(LIB)
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@echo " INSTALL-LIB $(LIB)"
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@[ -d $(RTE_OUTPUT)/lib ] || mkdir -p $(RTE_OUTPUT)/lib
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$(Q)cp -f $(LIB) $(RTE_OUTPUT)/lib
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ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
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ifeq ($(CONFIG_RTE_NEXT_ABI)$(EXTLIB_BUILD),yn)
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$(Q)ln -s -f $< $(basename $(basename $@))
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else
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$(Q)ln -s -f $< $(basename $@)
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endif
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endif
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#
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# Clean all generated files
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#
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.PHONY: clean
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clean: _postclean
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.PHONY: doclean
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doclean:
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$(Q)rm -rf $(LIB) $(OBJS-all) $(DEPS-all) $(DEPSTMP-all) \
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$(CMDS-all) $(INSTALL-FILES-all)
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$(Q)rm -f $(_BUILD_TARGETS) $(_INSTALL_TARGETS) $(_CLEAN_TARGETS)
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include $(RTE_SDK)/mk/internal/rte.compile-post.mk
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include $(RTE_SDK)/mk/internal/rte.install-post.mk
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include $(RTE_SDK)/mk/internal/rte.clean-post.mk
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include $(RTE_SDK)/mk/internal/rte.build-post.mk
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include $(RTE_SDK)/mk/internal/rte.depdirs-post.mk
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.PHONY: FORCE
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FORCE:
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