1 # Makefile for elf subdirectory of GNU C Library.
3 # Copyright (C) 1995 Free Software Foundation, Inc.
4 # This file is part of the GNU C Library.
6 # The GNU C Library is free software; you can redistribute it and/or
7 # modify it under the terms of the GNU Library General Public License as
8 # published by the Free Software Foundation; either version 2 of the
9 # License, or (at your option) any later version.
11 # The GNU C Library is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # Library General Public License for more details.
16 # You should have received a copy of the GNU Library General Public
17 # License along with the GNU C Library; see the file COPYING.LIB. If
18 # not, write to the Free Software Foundation, Inc., 675 Mass Ave,
19 # Cambridge, MA 02139, USA.
23 headers
:= elf.h libelf.h link.h dlfcn.h
24 routines
:= init-first
26 extra-libs
= libelf libdl
27 libelf-routines
:= elf_hash
28 libdl-routines
:= dlopen dlclose dlsym dlerror
29 libdl-inhibit-o
= $(filter-out .so
,$(object-suffixes
)) # Build only shared.
31 rtld-routines
:= rtld
$(addprefix dl-
,load lookup object reloc \
32 runtime sysdep error init fini
)
33 distribute
= $(rtld-routines
:=.c
) dynamic-link.h do-rel.h \
34 soinit.c sofini.c ldd.sh.in
38 ifeq (yes
,$(build-shared
))
39 extra-objs
= $(rtld-routines
:=.so
) soinit.so sofini.so
40 install-others
= $(libdir)$(rtld-installed-name
)
46 $(objpfx
)ld.so
: $(rtld-routines
:%=$(objpfx
)%.so
) \
47 $(patsubst %,$(common-objpfx
)lib
%_pic.a
,\
48 elf c
$(LDLIBS-c.so
:-l
%=%))
49 $(LINK.o
) -nostdlib
-nostartfiles
-shared
-o
$@ \
50 '-Wl,-(' $^
-lgcc
'-Wl,-)'
52 $(objpfx
)libdl.so
: $(objpfx
)libdl_pic.a
$(common-objpfx
)libc.so
$(objpfx
)ld.so
53 $(patsubst %/,cd
%;,$(objpfx
)) \
54 $(LINK.o
) -shared
-o
$(@
:$(objpfx
)%=%) \
55 $(LDFLAGS.so
) $(LDFLAGS-dl.so
) \
56 -Wl
,--whole-archive
$(^
:$(objpfx
)%=%)
58 $(libdir)$(rtld-installed-name
): $(objpfx
)ld.so
; $(do-install-program
)
60 $(objpfx
)ldd
: ldd.sh.in
61 sed
's%@RTLD@%$(libdir)/$(rtld-installed-name)%g' < $< > $@.new