glibc/elf/Makefile

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Makefile
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# Makefile for elf subdirectory of GNU C Library.
# Copyright (C) 1995 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
# You should have received a copy of the GNU Library General Public
# License along with the GNU C Library; see the file COPYING.LIB. If
# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
# Cambridge, MA 02139, USA.
subdir := elf
headers := elf.h libelf.h link.h dlfcn.h
routines := init-first
extra-libs = libelf libdl
libelf-routines := elf_hash
libdl-routines := dlopen dlclose dlsym dlerror
libdl-inhibit-o = $(filter-out .so,$(object-suffixes)) # Build only shared.
rtld-routines := rtld $(addprefix dl-,load lookup object reloc \
runtime sysdep error init fini)
distribute = $(rtld-routines:=.c) dynamic-link.h do-rel.h \
soinit.c sofini.c ldd.sh.in
include ../Makeconfig
ifeq (yes,$(build-shared))
extra-objs = $(rtld-routines:=.so) soinit.so sofini.so
install-others = $(libdir)/$(rtld-installed-name)
install-bin = ldd
endif
include ../Rules
$(objpfx)ld.so: $(rtld-routines:%=$(objpfx)%.so) \
$(patsubst %,$(common-objpfx)lib%_pic.a,\
elf c $(LDLIBS-c.so:-l%=%))
$(LINK.o) -nostdlib -nostartfiles -shared -o $@ \
'-Wl,-(' $^ -lgcc '-Wl,-)'
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$(objpfx)libdl.so: $(objpfx)libdl_pic.a $(common-objpfx)libc.so $(objpfx)ld.so
$(patsubst %/,cd %;,$(objpfx)) \
$(LINK.o) -shared -o $(@:$(objpfx)%=%) \
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$(LDFLAGS.so) $(LDFLAGS-dl.so) \
-Wl,--whole-archive $(^:$(objpfx)%=%)
$(libdir)$(rtld-installed-name): $(objpfx)ld.so; $(do-install-program)
$(objpfx)ldd: ldd.sh.in
sed 's%@RTLD@%$(libdir)/$(rtld-installed-name)%g' < $< > $@.new
mv -f $@.new $@