ceph/src/seastar/dpdk/mk/rte.lib.mk

   1 #   BSD LICENSE
   2 #
   3 #   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   4 #   All rights reserved.
   5 #
   6 #   Redistribution and use in source and binary forms, with or without
   7 #   modification, are permitted provided that the following conditions
   8 #   are met:
   9 #
  10 #     * Redistributions of source code must retain the above copyright
  11 #       notice, this list of conditions and the following disclaimer.
  12 #     * Redistributions in binary form must reproduce the above copyright
  13 #       notice, this list of conditions and the following disclaimer in
  14 #       the documentation and/or other materials provided with the
  15 #       distribution.
  16 #     * Neither the name of Intel Corporation nor the names of its
  17 #       contributors may be used to endorse or promote products derived
  18 #       from this software without specific prior written permission.
  19 #
  20 #   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21 #   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22 #   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23 #   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24 #   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25 #   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26 #   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27 #   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28 #   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29 #   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30 #   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31
  32 include $(RTE_SDK)/mk/internal/rte.compile-pre.mk
  33 include $(RTE_SDK)/mk/internal/rte.install-pre.mk
  34 include $(RTE_SDK)/mk/internal/rte.clean-pre.mk
  35 include $(RTE_SDK)/mk/internal/rte.build-pre.mk
  36
  37 EXTLIB_BUILD ?= n
  38
  39 # VPATH contains at least SRCDIR
  40 VPATH += $(SRCDIR)
  41
  42 ifneq ($(CONFIG_RTE_MAJOR_ABI),)
  43 ifneq ($(LIBABIVER),)
  44 LIBABIVER := $(CONFIG_RTE_MAJOR_ABI)
  45 endif
  46 endif
  47
  48 ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
  49 LIB := $(patsubst %.a,%.so.$(LIBABIVER),$(LIB))
  50 ifeq ($(EXTLIB_BUILD),n)
  51 ifeq ($(CONFIG_RTE_MAJOR_ABI),)
  52 ifeq ($(CONFIG_RTE_NEXT_ABI),y)
  53 LIB := $(LIB).1
  54 endif
  55 endif
  56 CPU_LDFLAGS += --version-script=$(SRCDIR)/$(EXPORT_MAP)
  57 endif
  58 endif
  59
  60
  61 _BUILD = $(LIB)
  62 _INSTALL = $(INSTALL-FILES-y) $(SYMLINK-FILES-y) $(RTE_OUTPUT)/lib/$(LIB)
  63 _CLEAN = doclean
  64
  65 .PHONY: all
  66 all: install
  67
  68 .PHONY: install
  69 install: build _postinstall
  70
  71 _postinstall: build
  72
  73 .PHONY: build
  74 build: _postbuild
  75
  76 exe2cmd = $(strip $(call dotfile,$(patsubst %,%.cmd,$(1))))
  77
  78 ifeq ($(LINK_USING_CC),1)
  79 # Override the definition of LD here, since we're linking with CC
  80 LD := $(CC) $(CPU_CFLAGS)
  81 _CPU_LDFLAGS := $(call linkerprefix,$(CPU_LDFLAGS))
  82 override EXTRA_LDFLAGS := $(call linkerprefix,$(EXTRA_LDFLAGS))
  83 else
  84 _CPU_LDFLAGS := $(CPU_LDFLAGS)
  85 endif
  86
  87 # Translate DEPDIRS into LDLIBS
  88 # Ignore (sub)directory dependencies which do not provide an actual library
  89 _IGNORE_DIRS = librte_eal/% librte_compat
  90 _DEPDIRS = $(filter-out $(_IGNORE_DIRS),$(DEPDIRS))
  91 _LDDIRS = $(subst librte_ether,librte_ethdev,$(_DEPDIRS))
  92 LDLIBS += $(subst lib,-l,$(_LDDIRS))
  93
  94 O_TO_A = $(AR) crDs $(LIB) $(OBJS-y)
  95 O_TO_A_STR = $(subst ','\'',$(O_TO_A)) #'# fix syntax highlight
  96 O_TO_A_DISP = $(if $(V),"$(O_TO_A_STR)","  AR $(@)")
  97 O_TO_A_CMD = "cmd_$@ = $(O_TO_A_STR)"
  98 O_TO_A_DO = @set -e; \
  99         echo $(O_TO_A_DISP); \
 100         $(O_TO_A) && \
 101         echo $(O_TO_A_CMD) > $(call exe2cmd,$(@))
 102
 103 ifneq ($(CC_SUPPORTS_Z),false)
 104 NO_UNDEFINED := -z defs
 105 endif
 106
 107 O_TO_S = $(LD) -L$(RTE_SDK_BIN)/lib $(_CPU_LDFLAGS) $(EXTRA_LDFLAGS) \
 108           -shared $(OBJS-y) $(NO_UNDEFINED) $(LDLIBS) -Wl,-soname,$(LIB) -o $(LIB)
 109 O_TO_S_STR = $(subst ','\'',$(O_TO_S)) #'# fix syntax highlight
 110 O_TO_S_DISP = $(if $(V),"$(O_TO_S_STR)","  LD $(@)")
 111 O_TO_S_DO = @set -e; \
 112         echo $(O_TO_S_DISP); \
 113         $(O_TO_S) && \
 114         echo $(O_TO_S_CMD) > $(call exe2cmd,$(@))
 115
 116 -include .$(LIB).cmd
 117
 118 #
 119 # Archive objects in .a file if needed
 120 #
 121 ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
 122 $(LIB): $(OBJS-y) $(DEP_$(LIB)) FORCE
 123 ifeq ($(LIBABIVER),)
 124         @echo "Must Specify a $(LIB) ABI version"
 125         @false
 126 endif
 127         @[ -d $(dir $@) ] || mkdir -p $(dir $@)
 128         $(if $(D),\
 129                 @echo -n "$< -> $@ " ; \
 130                 echo -n "file_missing=$(call boolean,$(file_missing)) " ; \
 131                 echo -n "cmdline_changed=$(call boolean,$(call cmdline_changed,$(O_TO_S_STR))) " ; \
 132                 echo -n "depfile_missing=$(call boolean,$(depfile_missing)) " ; \
 133                 echo "depfile_newer=$(call boolean,$(depfile_newer)) ")
 134         $(if $(or \
 135                 $(file_missing),\
 136                 $(call cmdline_changed,$(O_TO_S_STR)),\
 137                 $(depfile_missing),\
 138                 $(depfile_newer)),\
 139                 $(O_TO_S_DO))
 140
 141 else
 142 $(LIB): $(OBJS-y) $(DEP_$(LIB)) FORCE
 143         @[ -d $(dir $@) ] || mkdir -p $(dir $@)
 144         $(if $(D),\
 145             @echo -n "$< -> $@ " ; \
 146             echo -n "file_missing=$(call boolean,$(file_missing)) " ; \
 147             echo -n "cmdline_changed=$(call boolean,$(call cmdline_changed,$(O_TO_A_STR))) " ; \
 148             echo -n "depfile_missing=$(call boolean,$(depfile_missing)) " ; \
 149             echo "depfile_newer=$(call boolean,$(depfile_newer)) ")
 150         $(if $(or \
 151             $(file_missing),\
 152             $(call cmdline_changed,$(O_TO_A_STR)),\
 153             $(depfile_missing),\
 154             $(depfile_newer)),\
 155             $(O_TO_A_DO))
 156 endif
 157
 158 #
 159 # install lib in $(RTE_OUTPUT)/lib
 160 #
 161 $(RTE_OUTPUT)/lib/$(LIB): $(LIB)
 162         @echo "  INSTALL-LIB $(LIB)"
 163         @[ -d $(RTE_OUTPUT)/lib ] || mkdir -p $(RTE_OUTPUT)/lib
 164         $(Q)cp -f $(LIB) $(RTE_OUTPUT)/lib
 165 ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
 166         $(Q)ln -s -f $< $(shell echo $@ | sed 's/\.so.*/.so/')
 167 endif
 168
 169 #
 170 # Clean all generated files
 171 #
 172 .PHONY: clean
 173 clean: _postclean
 174
 175 .PHONY: doclean
 176 doclean:
 177         $(Q)rm -rf $(LIB) $(OBJS-all) $(DEPS-all) $(DEPSTMP-all) \
 178           $(CMDS-all) .$(LIB).cmd $(INSTALL-FILES-all) *.pmd.c *.pmd.o
 179         $(Q)rm -f $(_BUILD_TARGETS) $(_INSTALL_TARGETS) $(_CLEAN_TARGETS)
 180
 181 include $(RTE_SDK)/mk/internal/rte.compile-post.mk
 182 include $(RTE_SDK)/mk/internal/rte.install-post.mk
 183 include $(RTE_SDK)/mk/internal/rte.clean-post.mk
 184 include $(RTE_SDK)/mk/internal/rte.build-post.mk
 185
 186 .PHONY: FORCE
 187 FORCE: