1995-05-02 14:35:55 +08:00
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# Makefile for elf subdirectory of GNU C Library.
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1995-02-21 14:15:34 +08:00
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# Copyright (C) 1995 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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# You should have received a copy of the GNU Library General Public
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# License along with the GNU C Library; see the file COPYING.LIB. If
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# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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# Cambridge, MA 02139, USA.
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1995-05-02 14:35:55 +08:00
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subdir := elf
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headers := elf.h libelf.h link.h dlfcn.h
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routines := init-first
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extra-libs = libelf libdl
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libelf-routines := elf_hash
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libdl-routines := dlopen dlclose dlsym dlerror
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libdl-inhibit-o = $(filter-out .so,$(object-suffixes)) # Build only shared.
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1995-11-23 12:53:06 +08:00
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rtld-routines := rtld $(addprefix dl-,minimal load lookup object reloc \
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1995-05-02 14:35:55 +08:00
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runtime sysdep error init fini)
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1995-09-21 14:24:21 +08:00
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distribute = $(rtld-routines:=.c) dynamic-link.h do-rel.h \
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1995-11-08 05:46:52 +08:00
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soinit.c sofini.c ldd.sh.in linux-compat.c
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1995-02-21 14:15:34 +08:00
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1995-05-02 14:35:55 +08:00
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include ../Makeconfig
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ifeq (yes,$(build-shared))
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1995-09-21 14:24:21 +08:00
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extra-objs = $(rtld-routines:=.so) soinit.so sofini.so
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1995-11-08 05:46:52 +08:00
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generated = librtld.so
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1995-11-08 10:28:15 +08:00
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install-others = $(slibdir)/$(rtld-installed-name)
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1995-10-09 15:06:29 +08:00
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install-bin = ldd
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1995-11-08 05:46:52 +08:00
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ifneq (,$(filter linux%,$(config-os)))
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extra-objs += linux-compat.so
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1995-11-08 10:28:15 +08:00
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install-others += $(slibdir)/ld-linux.so.1
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1995-11-08 05:46:52 +08:00
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endif
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1995-05-02 14:35:55 +08:00
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endif
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1995-02-21 14:15:34 +08:00
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include ../Rules
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1995-05-02 14:35:55 +08:00
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1995-11-08 05:46:52 +08:00
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# Link together the dynamic linker into a single relocatable object.
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# We use this to produce both the ABI-compliant and Linux-compatible
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# dynamic linker shared objects below.
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$(objpfx)librtld.so: $(rtld-routines:%=$(objpfx)%.so) \
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$(patsubst %,$(common-objpfx)lib%_pic.a,\
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elf c $(LDLIBS-c.so:-l%=%))
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$(LINK.o) -nostdlib -nostartfiles -r -o $@ \
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1995-05-02 14:35:55 +08:00
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'-Wl,-(' $^ -lgcc '-Wl,-)'
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1995-11-08 05:46:52 +08:00
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$(objpfx)ld.so $(objpfx)ld-linux.so.1: $(objpfx)librtld.so
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1995-11-17 10:33:47 +08:00
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$(LINK.o) -nostdlib -nostartfiles -shared -o $@ \
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-Wl,-rpath=$(default-rpath) $^
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1995-11-08 05:46:52 +08:00
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# The Linux-compatible dynamic linker shared object is just the same
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# with one object file of compatibility initialization code added.
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$(objpfx)ld-linux.so.1: $(objpfx)linux-compat.so
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1995-05-11 10:49:38 +08:00
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$(objpfx)libdl.so: $(objpfx)libdl_pic.a $(common-objpfx)libc.so $(objpfx)ld.so
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$(patsubst %/,cd %;,$(objpfx)) \
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$(LINK.o) -shared -o $(@:$(objpfx)%=%) \
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1995-07-07 02:28:32 +08:00
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$(LDFLAGS.so) $(LDFLAGS-dl.so) \
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-Wl,--whole-archive $(^:$(objpfx)%=%)
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1995-10-09 15:06:29 +08:00
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1995-11-08 10:28:15 +08:00
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$(slibdir)/$(rtld-installed-name): $(objpfx)ld.so; $(do-install-program)
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$(slibdir)/ld-linux.so.1: $(objpfx)ld-linux.so.1; $(do-install-program)
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1995-10-09 15:06:29 +08:00
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$(objpfx)ldd: ldd.sh.in
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sed 's%@RTLD@%$(libdir)/$(rtld-installed-name)%g' < $< > $@.new
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1995-11-08 10:28:15 +08:00
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chmod 555 $@.new
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1995-10-09 15:06:29 +08:00
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mv -f $@.new $@
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