mirror of https://git.ffmpeg.org/ffmpeg.git
124 lines
4.6 KiB
Makefile
124 lines
4.6 KiB
Makefile
include $(SRC_PATH)/ffbuild/common.mak
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ifeq (,$(filter %clean config,$(MAKECMDGOALS)))
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-include $(SUBDIR)lib$(NAME).version
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endif
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LIBVERSION := $(lib$(NAME)_VERSION)
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LIBMAJOR := $(lib$(NAME)_VERSION_MAJOR)
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LIBMINOR := $(lib$(NAME)_VERSION_MINOR)
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INCINSTDIR := $(INCDIR)/lib$(NAME)
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INSTHEADERS := $(INSTHEADERS) $(HEADERS:%=$(SUBDIR)%)
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all-$(CONFIG_STATIC): $(SUBDIR)$(LIBNAME) $(SUBDIR)lib$(FULLNAME).pc
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all-$(CONFIG_SHARED): $(SUBDIR)$(SLIBNAME) $(SUBDIR)lib$(FULLNAME).pc
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LIBOBJS := $(OBJS) $(SHLIBOBJS) $(STLIBOBJS) $(SUBDIR)%.h.o $(TESTOBJS)
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$(LIBOBJS) $(LIBOBJS:.o=.s) $(LIBOBJS:.o=.i): CPPFLAGS += -DHAVE_AV_CONFIG_H
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ifdef CONFIG_SHARED
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# In case both shared libs and static libs are enabled, it can happen
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# that a user might want to link e.g. libavformat statically, but
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# libavcodec and the other libs dynamically. In this case
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# libavformat won't be able to access libavcodec's internal symbols,
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# so that they have to be duplicated into the archive just like
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# for purely shared builds.
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# Test programs are always statically linked against their library
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# to be able to access their library's internals, even with shared builds.
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# Yet linking against dependend libraries still uses dynamic linking.
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# This means that we are in the scenario described above.
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# In case only static libs are used, the linker will only use
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# one of these copies; this depends on the duplicated object files
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# containing exactly the same symbols.
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OBJS += $(SHLIBOBJS)
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endif
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$(SUBDIR)$(LIBNAME): $(OBJS) $(STLIBOBJS)
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$(RM) $@
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$(AR) $(ARFLAGS) $(AR_O) $^
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$(RANLIB) $@
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install-headers: install-lib$(NAME)-headers install-lib$(NAME)-pkgconfig
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install-libs-$(CONFIG_STATIC): install-lib$(NAME)-static
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install-libs-$(CONFIG_SHARED): install-lib$(NAME)-shared
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define RULES
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$(TOOLS): THISLIB = $(FULLNAME:%=$(LD_LIB))
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$(TESTPROGS): THISLIB = $(SUBDIR)$(LIBNAME)
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$(LIBOBJS): CPPFLAGS += -DBUILDING_$(NAME)
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$(TESTPROGS) $(TOOLS): %$(EXESUF): %.o
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$$(LD) $(LDFLAGS) $(LDEXEFLAGS) $$(LD_O) $$(filter %.o,$$^) $$(THISLIB) $(FFEXTRALIBS) $$(EXTRALIBS-$$(*F)) $$(ELIBS)
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$(SUBDIR)lib$(NAME).version: $(SUBDIR)version.h $(SUBDIR)version_major.h | $(SUBDIR)
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$$(M) $$(SRC_PATH)/ffbuild/libversion.sh $(NAME) $$^ > $$@
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$(SUBDIR)lib$(FULLNAME).pc: $(SUBDIR)version.h ffbuild/config.sh | $(SUBDIR)
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$$(M) $$(SRC_PATH)/ffbuild/pkgconfig_generate.sh $(NAME) "$(DESC)"
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$(SUBDIR)lib$(NAME).ver: $(SUBDIR)lib$(NAME).v $(OBJS)
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$$(M)sed 's/MAJOR/$(lib$(NAME)_VERSION_MAJOR)/' $$< | $(VERSION_SCRIPT_POSTPROCESS_CMD) > $$@
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$(SUBDIR)$(SLIBNAME): $(SUBDIR)$(SLIBNAME_WITH_MAJOR)
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$(Q)cd ./$(SUBDIR) && $(LN_S) $(SLIBNAME_WITH_MAJOR) $(SLIBNAME)
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$(SUBDIR)$(SLIBNAME_WITH_MAJOR): $(OBJS) $(SHLIBOBJS) $(SLIBOBJS) $(SUBDIR)lib$(NAME).ver
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$(SLIB_CREATE_DEF_CMD)
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$$(LD) $(SHFLAGS) $(LDFLAGS) $(LDSOFLAGS) $$(LD_O) $$(filter %.o,$$^) $(FFEXTRALIBS)
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$(SLIB_EXTRA_CMD)
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ifdef SUBDIR
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$(SUBDIR)$(SLIBNAME_WITH_MAJOR): $(DEP_LIBS)
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endif
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clean::
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$(RM) $(addprefix $(SUBDIR),$(CLEANFILES) $(CLEANSUFFIXES) $(LIBSUFFIXES)) \
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$(CLEANSUFFIXES:%=$(SUBDIR)$(ARCH)/%) $(CLEANSUFFIXES:%=$(SUBDIR)tests/%)
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install-lib$(NAME)-shared: $(SUBDIR)$(SLIBNAME)
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$(Q)mkdir -p "$(SHLIBDIR)"
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$$(INSTALL) -m 755 $$< "$(SHLIBDIR)/$(SLIB_INSTALL_NAME)"
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$$(STRIP) "$(SHLIBDIR)/$(SLIB_INSTALL_NAME)"
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$(Q)$(foreach F,$(SLIB_INSTALL_LINKS),(cd "$(SHLIBDIR)" && $(LN_S) $(SLIB_INSTALL_NAME) $(F));)
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$(if $(SLIB_INSTALL_EXTRA_SHLIB),$$(INSTALL) -m 644 $(SLIB_INSTALL_EXTRA_SHLIB:%=$(SUBDIR)%) "$(SHLIBDIR)")
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$(if $(SLIB_INSTALL_EXTRA_LIB),$(Q)mkdir -p "$(LIBDIR)")
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$(if $(SLIB_INSTALL_EXTRA_LIB),$$(INSTALL) -m 644 $(SLIB_INSTALL_EXTRA_LIB:%=$(SUBDIR)%) "$(LIBDIR)")
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install-lib$(NAME)-static: $(SUBDIR)$(LIBNAME)
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$(Q)mkdir -p "$(LIBDIR)"
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$$(INSTALL) -m 644 $$< "$(LIBDIR)"
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$(LIB_INSTALL_EXTRA_CMD)
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install-lib$(NAME)-headers: $(addprefix $(SUBDIR),$(HEADERS) $(BUILT_HEADERS))
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$(Q)mkdir -p "$(INCINSTDIR)"
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$$(INSTALL) -m 644 $$^ "$(INCINSTDIR)"
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install-lib$(NAME)-pkgconfig: $(SUBDIR)lib$(FULLNAME).pc
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$(Q)mkdir -p "$(PKGCONFIGDIR)"
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$$(INSTALL) -m 644 $$^ "$(PKGCONFIGDIR)"
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uninstall-libs::
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-$(RM) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR)" \
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"$(SHLIBDIR)/$(SLIBNAME)" \
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"$(SHLIBDIR)/$(SLIBNAME_WITH_VERSION)"
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-$(RM) $(SLIB_INSTALL_EXTRA_SHLIB:%="$(SHLIBDIR)/%")
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-$(RM) $(SLIB_INSTALL_EXTRA_LIB:%="$(LIBDIR)/%")
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-$(RM) "$(LIBDIR)/$(LIBNAME)"
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uninstall-headers::
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$(RM) $(addprefix "$(INCINSTDIR)/",$(HEADERS) $(BUILT_HEADERS))
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-rmdir "$(INCINSTDIR)"
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uninstall-pkgconfig::
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$(RM) "$(PKGCONFIGDIR)/lib$(FULLNAME).pc"
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endef
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$(eval $(RULES))
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$(TOOLS): $(DEP_LIBS) $(SUBDIR)$($(CONFIG_SHARED:yes=S)LIBNAME)
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$(TESTPROGS): $(DEP_LIBS) $(SUBDIR)$(LIBNAME)
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testprogs: $(TESTPROGS)
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