mirror of
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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
414 lines
14 KiB
Makefile
414 lines
14 KiB
Makefile
# Copyright (C) 1995-1999, 2000, 2001 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 Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the 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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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, write to the Free
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# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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# 02111-1307 USA.
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# Makefile for elf subdirectory of GNU C Library.
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subdir := elf
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headers = elf.h bits/elfclass.h link.h
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routines = $(dl-routines) dl-open dl-close dl-support \
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dl-addr enbl-secure dl-profstub dl-origin dl-libc dl-sym
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# The core dynamic linking functions are in libc for the static and
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# profiled libraries.
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dl-routines = $(addprefix dl-,load cache lookup object reloc deps \
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runtime error init fini debug misc \
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version profile)
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all-dl-routines = $(dl-routines) $(sysdep-dl-routines)
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# But they are absent from the shared libc, because that code is in ld.so.
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elide-routines.os = $(all-dl-routines) dl-support enbl-secure
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# ld.so uses those routines, plus some special stuff for being the program
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# interpreter and operating independent of libc.
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rtld-routines := rtld $(dl-routines) dl-sysdep dl-environ dl-minimal
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all-rtld-routines = $(rtld-routines) $(sysdep-rtld-routines)
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distribute := $(rtld-routines:=.c) dynamic-link.h do-rel.h dl-machine.h \
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dl-cache.h dl-hash.h soinit.c sofini.c ldd.bash.in \
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genrtldtbl.awk atomicity.h dl-procinfo.h ldsodefs.h \
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dl-librecon.h interp.c sln.c dl-dst.h hp-timing.h \
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do-lookup.h dl-lookupcfg.h sprof.c gen-trusted-dirs.awk \
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testobj1.c testobj2.c testobj3.c testobj4.c testobj5.c \
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testobj6.c testobj1_1.c failobj.c unloadmod.c \
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ldconfig.h ldconfig.c cache.c readlib.c readelflib.c \
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chroot_canon.c gccframe.h \
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dep1.c dep2.c dep3.c dep4.c dl-dtprocnum.h unsecvars.h \
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vismain.c vismod1.c vismod2.c vismod3.c \
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constload2.c constload3.c filtmod1.c filtmod2.c \
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nodlopenmod.c nodelete.c nodelmod1.c nodelmod2.c \
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nodelmod3.c nodelmod4.c nodlopen.c dl-osinfo.h \
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reldepmod1.c reldepmod2.c reldepmod3.c reldepmod4.c \
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reldep4mod1.c reldep4mod2.c reldep4mod3.c reldep4mod4.c \
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nextmod1.c nextmod2.c pathoptobj.c tst-pathopt.sh \
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neededobj1.c neededobj2.c neededobj3.c neededobj4.c \
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neededobj5.c neededobj6.c firstobj.c \
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unload2mod.c unload2dep.c ltglobmod1.c ltglobmod2.c \
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testobj.h vismod.h globalmod1.c
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include ../Makeconfig
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before-compile = $(objpfx)trusted-dirs.h
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generated := trusted-dirs.h trusted-dirs.st for-renamed/renamed.so
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generated-dirs := for-renamed
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ifeq ($(versioning),yes)
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ld-map = $(common-objpfx)ld.map
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endif
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ifeq (yes,$(build-shared))
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extra-objs = $(all-rtld-routines:%=%.os) soinit.os sofini.os interp.os
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generated += librtld.os dl-allobjs.os ld.so ldd
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install-others = $(inst_slibdir)/$(rtld-installed-name)
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install-bin = ldd
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endif
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others = sprof sln
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install-bin += sprof
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others-static = sln
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install-rootsbin = sln
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ifeq (yes,$(use-ldconfig))
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ifeq (yes,$(build-shared))
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others-static += ldconfig
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others += ldconfig
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install-rootsbin += ldconfig
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ldconfig-modules := cache readlib xmalloc xstrdup chroot_canon
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extra-objs += $(ldconfig-modules:=.o)
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# To find xmalloc.c and xstrdup.c
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vpath %.c ../locale/programs
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endif
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endif
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ifeq (yes,$(build-shared))
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tests = loadtest restest1 preloadtest loadfail multiload origtest resolvfail \
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constload1 order $(tests-vis-$(have-protected)) noload filter unload \
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reldep reldep2 reldep3 reldep4 next $(tests-nodelete-$(have-z-nodelete)) \
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$(tests-nodlopen-$(have-z-nodlopen)) neededtest neededtest2 \
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neededtest3 neededtest4 unload2 lateglobal initfirst global \
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restest2
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test-srcs = tst-pathopt
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tests-vis-yes = vismain
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tests-nodelete-yes = nodelete
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tests-nodlopen-yes = nodlopen
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endif
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modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
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testobj1_1 failobj constload2 constload3 unloadmod \
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dep1 dep2 dep3 dep4 $(modules-vis-$(have-protected)) \
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$(modules-nodelete-$(have-z-nodelete)) \
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$(modules-nodlopen-$(have-z-nodlopen)) filtmod1 filtmod2 \
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reldepmod1 reldepmod2 reldepmod3 reldepmod4 nextmod1 nextmod2 \
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reldep4mod1 reldep4mod2 reldep4mod3 reldep4mod4 \
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neededobj1 neededobj2 neededobj3 neededobj4 \
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neededobj5 neededobj6 firstobj globalmod1 \
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unload2mod unload2dep ltglobmod1 ltglobmod2 pathoptobj
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modules-vis-yes = vismod1 vismod2 vismod3
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modules-nodelete-yes = nodelmod1 nodelmod2 nodelmod3 nodelmod4
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modules-nodlopen-yes = nodlopenmod
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extra-objs += $(addsuffix .os,$(strip $(modules-names)))
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include ../Rules
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ifeq (yes,$(build-shared))
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# Make sure these things are built in the `make lib' pass so they can be used
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# to run programs during the `make others' pass.
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lib-noranlib: $(objpfx)$(rtld-installed-name) \
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$(addprefix $(objpfx),$(extra-objs))
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endif
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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.os: $(all-rtld-routines:%=$(objpfx)%.os)
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$(reloc-link) $^
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# Link together the dynamic linker into a single relocatable object.
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$(objpfx)librtld.os: $(objpfx)dl-allobjs.os $(common-objpfx)libc_pic.a
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$(reloc-link) '-Wl,-(' $^ -lgcc '-Wl,-)'
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# Do we need a linker script?
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rtld-ldscript-in := $(firstword $(wildcard $(+sysdep_dirs:%=%/rtld-ldscript.in)))
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ifneq (,$(rtld-ldscript-in))
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rtld-ldscript = $(objpfx)rtld-ldscript
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generated += rtld-ldscript
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LDFLAGS-rtld = -T $(rtld-ldscript)
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before-compile += $(rtld-ldscript)
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rtld-parms = $(wildcard $(+sysdep_dirs:%=%/rtld-parms))
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include $(rtld-parms)
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$(rtld-ldscript): $(rtld-ldscript-in) $(rtld-parms)
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sed -e 's#@@rtld-oformat@@#$(rtld-oformat)#' \
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-e 's#@@rtld-arch@@#$(rtld-arch)#' \
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-e 's#@@rtld-entry@@#$(rtld-entry)#' \
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-e 's#@@rtld-base@@#$(rtld-base)#' $< >$@
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endif
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$(objpfx)ld.so: $(objpfx)librtld.os $(rtld-ldscript) $(ld-map)
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$(LINK.o) -nostdlib -nostartfiles -shared -o $@ $(LDFLAGS-rtld) \
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$(filter-out $(rtld-ldscript) $(map-file),$^) \
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$(load-map-file) -Wl,-soname=$(rtld-installed-name)
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# interp.c exists just to get this string into the libraries.
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CFLAGS-interp.c = -D'RUNTIME_LINKER="$(slibdir)/$(rtld-installed-name)"'
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ifneq (ld.so,$(rtld-installed-name))
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# Make sure ld.so.1 exists in the build directory so we can link
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# against it.
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$(objpfx)$(rtld-installed-name): $(objpfx)ld.so
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rm -f $@
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ln -s $(<F) $@
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generated += $(rtld-installed-name)
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endif
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# Build a file mentioning all trustworthy directories to look for shared
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# libraries when using LD_LIBRARY_PATH in a setuid program. The user can
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# add directories to the list by defining $(user-defined-trusted-dirs)
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# before starting make.
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$(objpfx)trusted-dirs.h: $(objpfx)trusted-dirs.st; @:
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$(objpfx)trusted-dirs.st: Makefile $(..)Makeconfig
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$(make-target-directory)
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echo "$(subst :, ,$(default-rpath) $(user-defined-trusted-dirs))" \
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| $(AWK) -f gen-trusted-dirs.awk > ${@:st=T};
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$(move-if-change) ${@:st=T} ${@:st=h}
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touch $@
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CPPFLAGS-dl-load.c = -I$(objpfx). -I$(csu-objpfx).
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ifeq (yes,$(build-shared))
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$(inst_slibdir)/$(rtld-version-installed-name): $(objpfx)ld.so $(+force)
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$(make-target-directory)
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$(do-install-program)
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$(inst_slibdir)/$(rtld-installed-name): \
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$(inst_slibdir)/$(rtld-version-installed-name) \
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$(inst_slibdir)/libc-$(version).so
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$(make-shlib-link)
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# Special target called by parent to install just the dynamic linker.
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.PHONY: ldso_install
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ldso_install: $(inst_slibdir)/$(rtld-installed-name)
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endif
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common-ldd-rewrite = -e 's%@RTLD@%$(slibdir)/$(rtld-installed-name)%g' \
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-e 's%@VERSION@%$(version)%g'
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sh-ldd-rewrite = $(common-ldd-rewrite) -e 's%@BASH@%/bin/sh%g;s/\$$"/"/g'
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bash-ldd-rewrite = $(common-ldd-rewrite) -e 's%@BASH@%$(BASH)%g' \
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-e 's%@TEXTDOMAINDIR@%$(msgcatdir)%g'
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ifneq ($(have-bash2),yes)
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ldd-shell = sh
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else
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ldd-shell = bash
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endif
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ifeq ($(ldd-rewrite-script),no)
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define gen-ldd
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sed $($(ldd-shell)-ldd-rewrite) < $< > $@.new
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endef
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else
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define gen-ldd
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sed $($(ldd-shell)-ldd-rewrite) < $< | sed -f $(ldd-rewrite-script) > $@.new
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endef
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endif
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$(objpfx)ldd: ldd.bash.in $(common-objpfx)soversions.mk \
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$(common-objpfx)config.make
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$(gen-ldd)
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chmod 555 $@.new
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mv -f $@.new $@
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$(objpfx)sprof: $(libdl)
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$(objpfx)ldconfig: $(ldconfig-modules:%=$(objpfx)%.o)
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SYSCONF-FLAGS := -D'SYSCONFDIR="$(sysconfdir)"'
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CFLAGS-ldconfig.c = $(SYSCONF-FLAGS) -D'LIBDIR="$(libdir)"' -D'SLIBDIR="$(slibdir)"'
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CFLAGS-dl-cache.c = $(SYSCONF-FLAGS)
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CFLAGS-cache.c = $(SYSCONF-FLAGS)
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test-modules = $(addprefix $(objpfx),$(addsuffix .so,$(strip $(modules-names))))
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generated += $(addsuffix .so,$(strip $(modules-names)))
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ifeq (yes,$(build-shared))
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ifeq ($(cross-compiling),no)
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tests: $(objpfx)tst-pathopt.out
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endif
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endif
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$(objpfx)testobj1.so: $(libdl)
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$(objpfx)testobj1_1.so: $(objpfx)testobj1.so $(libdl)
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$(objpfx)testobj2.so: $(objpfx)testobj1.so $(libdl)
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$(objpfx)testobj3.so: $(libdl)
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$(objpfx)testobj4.so: $(libdl)
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$(objpfx)testobj5.so: $(libdl)
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$(objpfx)testobj6.so: $(objpfx)testobj1.so $(objpfx)testobj2.so $(libdl)
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$(objpfx)failobj.so: $(objpfx)testobj6.so
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$(objpfx)dep1.so: $(objpfx)dep2.so $(objpfx)dep4.so
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$(objpfx)dep2.so: $(objpfx)dep3.so $(objpfx)dep4.so
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$(objpfx)dep4.so: $(objpfx)dep3.so
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$(objpfx)nodelmod3.so: $(objpfx)nodelmod4.so
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$(objpfx)nextmod1.so: $(libdl)
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$(objpfx)neededobj1.so: $(libdl)
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$(objpfx)neededobj2.so: $(objpfx)neededobj1.so $(libdl)
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$(objpfx)neededobj3.so: $(objpfx)neededobj1.so $(objpfx)neededobj2.so $(libdl)
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$(objpfx)neededobj4.so: $(objpfx)neededobj1.so $(objpfx)neededobj2.so \
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$(objpfx)neededobj3.so $(libdl)
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$(objpfx)neededobj6.so: $(objpfx)neededobj5.so
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$(objpfx)unload2mod.so: $(objpfx)unload2dep.so
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$(objpfx)ltglobmod2.so: $(libdl)
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$(objpfx)firstobj.so: $(shared-thread-library)
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$(objpfx)globalmod1.so: $(libdl)
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$(objpfx)reldep4mod1.so: $(objpfx)reldep4mod3.so
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$(objpfx)reldep4mod2.so: $(objpfx)reldep4mod4.so
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# filtmod1.so has a special rule
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$(filter-out $(objpfx)filtmod1.so, $(test-modules)): $(objpfx)%.so: $(objpfx)%.os
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$(build-module)
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$(objpfx)loadtest: $(libdl)
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LDFLAGS-loadtest = -rdynamic
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$(objpfx)loadtest.out: $(test-modules)
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$(objpfx)neededtest: $(libdl)
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$(objpfx)neededtest.out: $(objpfx)neededobj1.so $(objpfx)neededobj2.so \
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$(objpfx)neededobj3.so
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$(objpfx)neededtest2: $(libdl)
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$(objpfx)neededtest2.out: $(objpfx)neededobj1.so $(objpfx)neededobj2.so \
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$(objpfx)neededobj3.so
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$(objpfx)neededtest3: $(libdl)
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$(objpfx)neededtest3.out: $(objpfx)neededobj1.so $(objpfx)neededobj2.so \
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$(objpfx)neededobj3.so $(objpfx)neededobj4.so
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neededtest4-ENV = LC_ALL=C LANGUAGE=C
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$(objpfx)neededtest4: $(libdl) $(objpfx)neededobj1.so
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$(objpfx)neededtest4.out: $(objpfx)neededobj5.so $(objpfx)neededobj6.so
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$(objpfx)restest1: $(objpfx)testobj1.so $(objpfx)testobj1_1.so $(libdl)
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LDFLAGS-restest1 = -rdynamic
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$(objpfx)restest2: $(libdl)
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LDFLAGS-restest2 = -rdynamic
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$(objpfx)restest1.out: $(test-modules)
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preloadtest-preloads = testobj1 testobj2 testobj3 testobj4 testobj5
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$(objpfx)preloadtest: $(objpfx)testobj6.so
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LDFLAGS-preloadtest = -rdynamic
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$(objpfx)preloadtest.out: $(preloadtest-preloads:%=$(objpfx)%.so)
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preloadtest-ENV = \
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LD_PRELOAD=$(subst $(empty) ,:,$(strip $(preloadtest-preloads:=.so)))
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$(objpfx)loadfail: $(libdl)
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LDFLAGS-loadfail = -rdynamic
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$(objpfx)loadfail.out: $(objpfx)failobj.so
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$(objpfx)multiload: $(libdl)
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LDFLAGS-multiload = -rdynamic
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CFLAGS-multiload.c = -DOBJDIR=\"$(elf-objpfx)\"
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$(objpfx)multiload.out: $(objpfx)testobj1.so
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$(objpfx)origtest: $(libdl)
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LDFLAGS-origtest = -rdynamic
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$(objpfx)origtest.out: $(objpfx)testobj1.so
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ifeq ($(have-thread-library),yes)
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$(objpfx)resolvfail: $(libdl) $(shared-thread-library)
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else
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$(objpfx)resolvfail: $(libdl)
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endif
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$(objpfx)constload1: $(libdl)
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$(objpfx)constload1.out: $(objpfx)constload2.so $(objpfx)constload3.so
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$(objpfx)order: $(addprefix $(objpfx),dep4.so dep3.so dep2.so dep1.so)
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$(objpfx)order.out: $(objpfx)order
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$(elf-objpfx)$(rtld-installed-name) \
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--library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
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$(objpfx)order > $@
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(echo "0123456789" | cmp $@ -) > /dev/null
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$(objpfx)vismain: $(addprefix $(objpfx),vismod1.so vismod2.so)
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$(objpfx)vismain.out: $(addprefix $(objpfx),vismod3.so)
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vismain-ENV = LD_PRELOAD=$(addprefix $(objpfx),vismod3.so)
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$(objpfx)noload: $(objpfx)testobj1.so
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LDFLAGS-noload = -rdynamic
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$(objpfx)noload.out: $(objpfx)testobj5.so
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LDFLAGS-nodelete = -rdynamic
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LDFLAGS-nodelmod1.so = -Wl,--enable-new-dtags,-z,nodelete
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LDFLAGS-nodelmod4.so = -Wl,--enable-new-dtags,-z,nodelete
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$(objpfx)nodelete: $(libdl)
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$(objpfx)nodelete.out: $(objpfx)nodelmod1.so $(objpfx)nodelmod2.so \
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$(objpfx)nodelmod3.so
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LDFLAGS-nodlopenmod.so = -Wl,--enable-new-dtags,-z,nodlopen
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$(objpfx)nodlopen: $(libdl)
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$(objpfx)nodlopen.out: $(objpfx)nodlopenmod.so
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$(objpfx)filtmod1.so: $(objpfx)filtmod1.os $(objpfx)filtmod2.so
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$(LINK.o) -shared -o $@ -B$(csu-objpfx) $(LDFLAGS.so) \
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-L$(subst :, -L,$(rpath-link)) \
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-Wl,-rpath-link=$(rpath-link) \
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$< -Wl,-F,$(objpfx)filtmod2.so
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$(objpfx)filter: $(objpfx)filtmod1.so
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$(objpfx)unload: $(libdl)
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$(objpfx)unload.out: $(objpfx)unloadmod.so
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$(objpfx)reldep: $(libdl)
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$(objpfx)reldep.out: $(objpfx)reldepmod1.so $(objpfx)reldepmod2.so
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$(objpfx)reldep2: $(libdl)
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$(objpfx)reldep2.out: $(objpfx)reldepmod1.so $(objpfx)reldepmod3.so
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$(objpfx)reldep3: $(libdl)
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$(objpfx)reldep3.out: $(objpfx)reldepmod1.so $(objpfx)reldepmod4.so
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$(objpfx)reldep4: $(libdl)
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$(objpfx)reldep4.out: $(objpfx)reldep4mod1.so $(objpfx)reldep4mod2.so
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$(objpfx)next: $(objpfx)nextmod1.so $(objpfx)nextmod2.so $(libdl)
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$(objpfx)unload2: $(libdl)
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$(objpfx)unload2.out: $(objpfx)unload2mod.so $(objpfx)unload2dep.so
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$(objpfx)lateglobal: $(libdl)
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$(objpfx)lateglobal.out: $(objpfx)ltglobmod1.so $(objpfx)ltglobmod2.so
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$(objpfx)tst-pathopt: $(libdl)
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$(objpfx)tst-pathopt.out: tst-pathopt.sh $(objpfx)tst-pathopt \
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$(objpfx)pathoptobj.so
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$(SHELL) -e $< $(common-objpfx)
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$(objpfx)initfirst: $(libdl)
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$(objpfx)initfirst.out: $(objpfx)firstobj.so
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$(objpfx)global: $(objpfx)globalmod1.so
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$(objpfx)global.out: $(objpfx)reldepmod1.so
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