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9f447fb32c
* mach/mach_syscalls.c: Obsolete file removed. * mach/mach_syscalls.h: Likewise. * mach/mach_traps.S: Likewise. * mach/msg_destroy.c: Likewise. * mach/vm_page_size.c: Likewise.
102 lines
3.5 KiB
Makefile
102 lines
3.5 KiB
Makefile
# Makefile for elf subdirectory of GNU C Library.
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# Copyright (C) 1995, 1996 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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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 dladdr
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libdl-inhibit-o = $(filter-out .so,$(object-suffixes)) # Build only shared.
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rtld-routines := rtld $(addprefix dl-,minimal load lookup object reloc \
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deps runtime sysdep error init fini)
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distribute = $(rtld-routines:=.c) dynamic-link.h do-rel.h dl-machine.h \
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soinit.c sofini.c ldd.sh.in linux-compat.c
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all: # Make this the default target; it will be defined in Rules.
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include ../Makeconfig
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ifeq (yes,$(build-shared))
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extra-objs = $(rtld-routines:=.so) soinit.so sofini.so
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generated = librtld.so dl-allobjs.so
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install-others = $(slibdir)/$(rtld-installed-name)
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install-bin = ldd
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# Make sure these things is built in the `make lib' pass so it can be used
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# to run programs during the `make others' pass.
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lib-noranlib: $(objpfx)ld.so $(addprefix $(objpfx),$(extra-objs))
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ifneq (,$(filter linux%,$(config-os)))
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extra-objs += linux-compat.so
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install-others += $(slibdir)/ld-linux.so.1
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lib-noranlib: $(objpfx)ld-linux.so.1
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endif
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endif
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include ../Rules
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# Command to link into a larger single relocatable object.
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reloc-link = $(LINK.o) -nostdlib -nostartfiles -r -o $@
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$(objpfx)dl-allobjs.so: $(rtld-routines:%=$(objpfx)%.so)
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$(reloc-link) $^
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# Link together the dynamic linker into a single relocatable object.
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# We use this to produce both the ABI-compliant and Linux-compatible
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# dynamic linker shared objects below.
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$(objpfx)librtld.so: $(objpfx)dl-allobjs.so \
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$(patsubst %,$(common-objpfx)lib%_pic.a,\
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elf c $(LDLIBS-c.so:-l%=%))
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$(reloc-link) '-Wl,-(' $^ -lgcc '-Wl,-)'
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$(objpfx)ld.so: $(objpfx)librtld.so
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$(rtld-link) -Wl,-soname=$(rtld-installed-name)
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$(objpfx)ld-linux.so.1: $(objpfx)librtld.so
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$(rtld-link) -Wl,-soname=ld-linux.so.1
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define rtld-link
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$(LINK.o) -nostdlib -nostartfiles -shared -o $@ \
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-Wl,-rpath=$(default-rpath) $^
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endef
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# The Linux-compatible dynamic linker shared object is just the same
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# with one object file of compatibility initialization code added.
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$(objpfx)ld-linux.so.1: $(objpfx)linux-compat.so
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$(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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$(LDFLAGS.so) $(LDFLAGS-dl.so) \
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-Wl,--whole-archive $(^:$(objpfx)%=%) $(no-whole-archive)
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$(slibdir)/$(rtld-installed-name): $(objpfx)ld.so; $(do-install-program)
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$(slibdir)/ld-linux.so.1: $(objpfx)ld-linux.so.1; $(do-install-program)
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$(objpfx)ldd: ldd.sh.in Makefile
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sed 's%@RTLD@%$(slibdir)/$(rtld-installed-name)%g' < $< > $@.new
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chmod 555 $@.new
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mv -f $@.new $@
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