mk/rte.shared.mk

   1 # SPDX-License-Identifier: BSD-3-Clause
   2 # Copyright 2012-2013 6WIND S.A.
   3
   4 include $(RTE_SDK)/mk/internal/rte.compile-pre.mk
   5 include $(RTE_SDK)/mk/internal/rte.install-pre.mk
   6 include $(RTE_SDK)/mk/internal/rte.clean-pre.mk
   7 include $(RTE_SDK)/mk/internal/rte.build-pre.mk
   8
   9 # VPATH contains at least SRCDIR
  10 VPATH += $(SRCDIR)
  11
  12 _BUILD = $(SHARED)
  13 _INSTALL = $(INSTALL-FILES-y) $(SYMLINK-FILES-y) $(RTE_OUTPUT)/lib/$(SHARED)
  14 _CLEAN = doclean
  15
  16 # Set fPIC in CFLAGS for .so generation
  17 CFLAGS += -fPIC
  18
  19 .PHONY: all
  20 all: install
  21
  22 .PHONY: install
  23 install: build _postinstall
  24
  25 _postinstall: build
  26
  27 .PHONY: build
  28 build: _postbuild
  29
  30 exe2cmd = $(strip $(call dotfile,$(patsubst %,%.cmd,$(1))))
  31
  32 ifeq ($(LINK_USING_CC),1)
  33 override EXTRA_LDFLAGS := $(call linkerprefix,$(EXTRA_LDFLAGS))
  34 O_TO_SO = $(CC) $(call linkerprefix,$(LDFLAGS)) $(LDFLAGS_$(@)) $(EXTRA_LDFLAGS) \
  35         -shared -o $@ $(OBJS-y) $(call linkerprefix,$(LDLIBS))
  36 else
  37 O_TO_SO = $(LD) $(LDFLAGS) $(LDFLAGS_$(@)) $(EXTRA_LDFLAGS) \
  38         -shared -o $@ $(OBJS-y) $(LDLIBS)
  39 endif
  40
  41 O_TO_SO_STR = $(subst ','\'',$(O_TO_SO)) #'# fix syntax highlight
  42 O_TO_SO_DISP = $(if $(V),"$(O_TO_SO_STR)","  LD $(@)")
  43 O_TO_SO_CMD = "cmd_$@ = $(O_TO_SO_STR)"
  44 O_TO_SO_DO = @set -e; \
  45         echo $(O_TO_SO_DISP); \
  46         $(O_TO_SO) && \
  47         echo $(O_TO_SO_CMD) > $(call exe2cmd,$(@))
  48
  49 -include .$(SHARED).cmd
  50
  51 # path where libraries are retrieved
  52 LDLIBS_PATH := $(subst -Wl$(comma)-L,,$(filter -Wl$(comma)-L%,$(LDLIBS)))
  53 LDLIBS_PATH += $(subst -L,,$(filter -L%,$(LDLIBS)))
  54
  55 # list of .a files that are linked to this application
  56 LDLIBS_NAMES := $(patsubst -l%,lib%.a,$(filter -l%,$(LDLIBS)))
  57 LDLIBS_NAMES += $(patsubst -Wl$(comma)-l%,lib%.a,$(filter -Wl$(comma)-l%,$(LDLIBS)))
  58
  59 # list of found libraries files (useful for deps). If not found, the
  60 # library is silently ignored and dep won't be checked
  61 LDLIBS_FILES := $(sort $(wildcard $(foreach dir,$(LDLIBS_PATH),\
  62         $(addprefix $(dir)/,$(LDLIBS_NAMES)))))
  63
  64 #
  65 # Archive objects in .so file if needed
  66 #
  67 $(SHARED): $(OBJS-y) $(LDLIBS_FILES) $(DEP_$(SHARED)) FORCE
  68         @[ -d $(dir $@) ] || mkdir -p $(dir $@)
  69         $(if $(D),\
  70                 @echo -n "$< -> $@ " ; \
  71                 echo -n "file_missing=$(call boolean,$(file_missing)) " ; \
  72                 echo -n "cmdline_changed=$(call boolean,$(call cmdline_changed,$(O_TO_SO_STR))) " ; \
  73                 echo -n "depfile_missing=$(call boolean,$(depfile_missing)) " ; \
  74                 echo "depfile_newer=$(call boolean,$(depfile_newer)) ")
  75         $(if $(or \
  76                 $(file_missing),\
  77                 $(call cmdline_changed,$(O_TO_SO_STR)),\
  78                 $(depfile_missing),\
  79                 $(depfile_newer)),\
  80                 $(O_TO_SO_DO))
  81
  82 #
  83 # install lib in $(RTE_OUTPUT)/lib
  84 #
  85 $(RTE_OUTPUT)/lib/$(SHARED): $(SHARED)
  86         @echo "  INSTALL-SHARED $(SHARED)"
  87         @[ -d $(RTE_OUTPUT)/lib ] || mkdir -p $(RTE_OUTPUT)/lib
  88         $(Q)cp -f $(SHARED) $(RTE_OUTPUT)/lib
  89
  90 #
  91 # Clean all generated files
  92 #
  93 .PHONY: clean
  94 clean: _postclean
  95
  96 .PHONY: doclean
  97 doclean:
  98         $(Q)rm -rf $(SHARED) $(OBJS-all) $(DEPS-all) $(DEPSTMP-all) \
  99           $(CMDS-all) $(INSTALL-FILES-all)
 100         $(Q)rm -f $(_BUILD_TARGETS) $(_INSTALL_TARGETS) $(_CLEAN_TARGETS)
 101
 102 include $(RTE_SDK)/mk/internal/rte.compile-post.mk
 103 include $(RTE_SDK)/mk/internal/rte.install-post.mk
 104 include $(RTE_SDK)/mk/internal/rte.clean-post.mk
 105 include $(RTE_SDK)/mk/internal/rte.build-post.mk
 106
 107 .PHONY: FORCE
 108 FORCE: