Makefile.elf-lib

#
# This is a Makefile stub which handles the creation of Linux ELF shared
# libraries.
#
# In order to use this stub, the following makefile variables must be defined.
# 
# ELF_VERSION = 1.0
# ELF_SO_VERSION = 1
# ELF_IMAGE = libce
# ELF_MYDIR = et
# ELF_INSTALL_DIR = $(SHLIBDIR)
# ELF_OTHER_LIBS = -lc

all:: image

real-subdirs:: Makefile
	$(E) "	MKDIR elfshared"
	$(Q) mkdir -p elfshared

ELF_LIB = $(ELF_IMAGE).so.$(ELF_VERSION)
ELF_SONAME = $(ELF_IMAGE).so.$(ELF_SO_VERSION)

image:		$(ELF_LIB)

$(ELF_LIB): $(OBJS)
	$(E) "	GEN_ELF_SOLIB $(ELF_LIB)"
	$(Q) (cd elfshared; $(CC) -o $(ELF_LIB) \
		-L$(top_builddir)/../lib $(LDFLAGS_SHLIB) -fPIC -shared \
		-Wl,-soname,$(ELF_SONAME) $(OBJS) $(ELF_OTHER_LIBS))
	$(Q) $(MV) elfshared/$(ELF_LIB) .
	$(Q) $(RM) -f ../$(ELF_LIB) ../$(ELF_IMAGE).so ../$(ELF_SONAME)
	$(Q) (cd ..; $(LN) $(LINK_BUILD_FLAGS) \
		`echo $(my_dir) | sed -e 's;lib/;;'`/$(ELF_LIB) $(ELF_LIB))
	$(Q) (cd ..; $(LN) $(LINK_BUILD_FLAGS) $(ELF_LIB) $(ELF_IMAGE).so)
	$(Q) (cd ..; $(LN) $(LINK_BUILD_FLAGS) $(ELF_LIB) $(ELF_SONAME))

installdirs-elf-lib::
	$(E) "	MKDIR_P $(ELF_INSTALL_DIR) $(libdir)"
	$(Q) $(MKDIR_P) $(DESTDIR)$(ELF_INSTALL_DIR) \
		$(DESTDIR)$(libdir)

installdirs:: installdirs-elf-lib

install-shlibs install:: $(ELF_LIB) installdirs-elf-lib $(DEP_INSTALL_SYMLINK)
	$(E) "	INSTALL-ELF-LIB $(ELF_INSTALL_DIR)/$(ELF_LIB)"
	$(Q) $(INSTALL_PROGRAM) $(ELF_LIB) $(DESTDIR)$(ELF_INSTALL_DIR)/$(ELF_LIB)
	$(E) "	SYMLINK $(ELF_INSTALL_DIR)/$(ELF_SONAME)"
	$(Q) $(INSTALL_SYMLINK) $(ELF_INSTALL_DIR)/$(ELF_LIB) \
		$(ELF_INSTALL_DIR)/$(ELF_SONAME) $(DESTDIR)
	$(E) "	SYMLINK $(libdir)/$(ELF_IMAGE).so"
	$(Q) $(INSTALL_SYMLINK) $(ELF_INSTALL_DIR)/$(ELF_SONAME) \
		$(libdir)/$(ELF_IMAGE).so $(DESTDIR)
	$(E) "	LDCONFIG"
	$(Q) -$(LDCONFIG)

install-strip: install
	$(E) "	STRIP-LIB $(ELF_INSTALL_DIR)/$(ELF_LIB)"
	$(Q) $(STRIP) --strip-unneeded --remove-section=.comment \
		--remove-section=.note $(DESTDIR)$(ELF_INSTALL_DIR)/$(ELF_LIB)

install-shlibs-strip: install-shlibs
	$(E) "	STRIP-LIB $(ELF_INSTALL_DIR)/$(ELF_LIB)"
	$(Q) $(STRIP) --strip-unneeded --remove-section=.comment \
		--remove-section=.note $(DESTDIR)$(ELF_INSTALL_DIR)/$(ELF_LIB)

uninstall-shlibs uninstall::
	$(RM) -f $(DESTDIR)$(ELF_INSTALL_DIR)/$(ELF_LIB) \
		$(DESTDIR)$(ELF_INSTALL_DIR)/$(ELF_SONAME) \
		$(DESTDIR)$(libdir)/$(ELF_IMAGE).so
	-$(LDCONFIG)

clean::
	$(RM) -rf elfshared
	$(RM) -f $(ELF_LIB)
	$(RM) -f ../$(ELF_LIB) ../$(ELF_IMAGE).so ../$(ELF_SONAME)