Files
ffmpeg/ffbuild/library.mak
Ramiro Polla db5e0e2ef9 build: remove unused SLIBOBJS variable
The SLIBOBJS variable was introduced in 56572787ae but is no longer used.
Another variable, SHLIBOBJS, was introduced after SLIBOBJS, in 20b0d24c2f.
The functionality from SLIBOBJS was effectively migrated to SHLIBOBJS in b77fff47d0.

No code has used SLIBOBJS since.

This commit removes all remaining references to SLIBOBJS from the build system.
2025-05-22 23:59:03 +02:00

136 lines
4.8 KiB
Makefile

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