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53da80ab88
* inet/herrno.c (__libc_h_errno): Likewise. * resolv/res_libc.c (__libc_res): Likewise. [USE___THREAD]: Use this in place of [USE_TLS && HAVE___THREAD]. (__res_state) [! USE___THREAD]: Don't define as weak. * csu/Versions: Revert last change. * resolv/Versions: Revert last change. * Makerules ($(common-objpfx)%.make): New pattern rule. * tls.make.c: New file. * Makefile (distribute): Add it.
201 lines
6.7 KiB
Makefile
201 lines
6.7 KiB
Makefile
# Copyright (C) 1996-2001, 2002 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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#
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# Sub-makefile for linuxthreads portion of the library.
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#
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subdir := linuxthreads
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linuxthreads-version := $(shell sed -n 's/^.*$(subdir)-\([0-9.]*\).*$$/\1/p' \
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Banner)
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headers := pthread.h semaphore.h
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distribute := internals.h queue.h restart.h spinlock.h smp.h tst-signal.sh \
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libc-tsd.c
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routines := weaks no-tsd
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extra-libs := libpthread
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extra-libs-others := $(extra-libs)
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libpthread-routines := attr cancel condvar join manager mutex ptfork \
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ptlongjmp pthread signals specific errno lockfile \
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semaphore spinlock wrapsyscall rwlock pt-machine \
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oldsemaphore events getcpuclockid pspinlock barrier \
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ptclock_gettime ptclock_settime sighandler \
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pthandles libc-tls-loc
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nodelete-yes = -Wl,--enable-new-dtags,-z,nodelete
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initfirst-yes = -Wl,--enable-new-dtags,-z,initfirst
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LDFLAGS-pthread.so = $(nodelete-$(have-z-nodelete)) \
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$(initfirst-$(have-z-initfirst))
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vpath %.c Examples
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tst-cancel-ARGS = "$(objpfx)"
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CFLAGS-tst-cancel.c = -fno-inline -fno-inline-functions
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include ../Makeconfig
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ifeq ($(build-shared),yes)
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extra-objs += crti.o crtn.o
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omit-deps += crti crtn
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CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions
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endif
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librt-tests = ex10 ex11
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tests = ex1 ex2 ex3 ex4 ex5 ex6 ex7 ex8 ex9 $(librt-tests) ex12 ex13 joinrace \
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tststack $(tests-nodelete-$(have-z-nodelete)) ecmutex ex14 ex15 ex16 \
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ex17 ex18 tst-cancel tst-context bug-sleep
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test-srcs = tst-signal
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ifeq ($(build-static),yes)
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tests += tststatic tst-static-locale
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tests-static += tststatic tst-static-locale
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endif
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ifeq (yes,$(build-shared))
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tests-nodelete-yes = unload
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endif
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include ../Rules
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extra-B-pthread.so = -B$(common-objpfx)linuxthreads/
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$(objpfx)libpthread.so: $(objpfx)crti.o $(objpfx)crtn.o
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$(objpfx)libpthread.so: +preinit += $(objpfx)crti.o
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$(objpfx)libpthread.so: +postinit += $(objpfx)crtn.o
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znodelete-yes = -DHAVE_Z_NODELETE
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CFLAGS-mutex.c += -D__NO_WEAK_PTHREAD_ALIASES
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CFLAGS-specific.c += -D__NO_WEAK_PTHREAD_ALIASES
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CFLAGS-pthread.c += -D__NO_WEAK_PTHREAD_ALIASES $(znodelete-$(have-z-nodelete))
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CFLAGS-ptfork.c += -D__NO_WEAK_PTHREAD_ALIASES
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CFLAGS-cancel.c += -D__NO_WEAK_PTHREAD_ALIASES -D_RPC_THREAD_SAFE_
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CFLAGS-unload.c += -DPREFIX=\"$(objpfx)\"
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CFLAGS-sighandler.c += $(exceptions)
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ifeq (yes,$(versioning))
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-include $(common-objpfx)tls.make
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libc-ok-for-link = $(use-thread)
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else
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libc-ok-for-link = yes
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endif
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ifeq (no,$(libc-ok-for-link))
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# These hacks are necessary to let us link against a libc.so that exports
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# the symbols _errno, _h_errno, and _res. Those symbols are accessible
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# in libc at runtime (dynamic linkable), but are not exported at link time
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# so that applications cannot link against them. However, libpthread.so
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# needs to link against them for its __errno_location et al functions to
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# find the locations that libc's symbols resolve to. We cannot do this
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# with aliases in libc.so(GLIBC_PRIVATE), because we need to refer to an
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# executable's symbols when it defines them with copy relocs.
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libc-link.so = $(objpfx)libc.so
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$(objpfx)libc_pic_lite.a: $(common-objpfx)libc_pic.a
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cp $< $@T
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$(AR) d $@T errno.os herrno.os res_libc.os
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mv -f $@T $@
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extra-objs += libc-tsd.os
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$(objpfx)libc_pic_lite.os: $(objpfx)libc_pic_lite.a $(objpfx)libc-tsd.os
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$(LINK.o) -nostdlib -nostartfiles -r -o $@ \
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$(LDFLAGS-c_pic.os) -Wl,-d -Wl,--whole-archive $^
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$(objpfx)libc.so: $(elfobjdir)/soinit.os \
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$(objpfx)libc_pic_lite.os \
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$(elfobjdir)/sofini.os \
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$(elfobjdir)/interp.os $(elfobjdir)/ld.so
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$(build-shlib)
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generated += libc_pic_lite.a libc_pic_lite.os libc.so
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else
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libc-link.so = $(common-objpfx)libc.so
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endif
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# Depend on libc.so so a DT_NEEDED is generated in the shared objects.
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# This ensures they will load libc.so for needed symbols if loaded by
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# a statically-linked program that hasn't already loaded it.
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$(objpfx)libpthread.so: $(libc-link.so) $(common-objpfx)libc_nonshared.a
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# Make sure we link with the thread library.
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ifeq ($(build-shared),yes)
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$(addprefix $(objpfx), \
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$(filter-out $(tests-static) unload, \
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$(tests) $(test-srcs))): $(objpfx)libpthread.so
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$(addprefix $(objpfx),$(librt-tests)): $(common-objpfx)rt/librt.so
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$(objpfx)unload: $(common-objpfx)dlfcn/libdl.so
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$(objpfx)unload.out: $(objpfx)libpthread.so
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else
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$(addprefix $(objpfx),$(tests) $(test-srcs)): $(objpfx)libpthread.a
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$(addprefix $(objpfx),$(librt-tests)): $(common-objpfx)rt/librt.a
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endif
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ifeq ($(build-bounded),yes)
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$(tests:%=$(objpfx)%-bp): $(objpfx)libpthread_b.a
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$(librt-tests:%=$(objpfx)%-bp): $(common-objpfx)rt/librt_b.a
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endif
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ifeq ($(build-static),yes)
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$(addprefix $(objpfx), $(tests-static)): $(objpfx)libpthread.a
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endif
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ifeq ($(build-shared),yes)
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vpath pt-initfini.c $(full_config_sysdirs)
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$(objpfx)pt-initfini.s: pt-initfini.c
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$(compile.c) -S $(CFLAGS-pt-initfini.s) -finhibit-size-directive \
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$(patsubst -f%,-fno-%,$(exceptions)) -o $@
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# We only have one kind of startup code files. Static binaries and
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# shared libraries are build using the PIC version.
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$(objpfx)crti.S: $(objpfx)pt-initfini.s
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sed -n -e '1,/@HEADER_ENDS/p' \
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-e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
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-e '/@TRAILER_BEGINS/,$$p' $< > $@
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$(objpfx)crtn.S: $(objpfx)pt-initfini.s
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sed -n -e '1,/@HEADER_ENDS/p' \
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-e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
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-e '/@TRAILER_BEGINS/,$$p' $< > $@
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$(objpfx)defs.h: $(objpfx)pt-initfini.s
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sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
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$(AWK) -f ../csu/defs.awk > $@
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$(objpfx)crti.o: $(objpfx)crti.S $(objpfx)defs.h
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$(compile.S) -g0 $(ASFLAGS-.os) -o $@
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$(objpfx)crtn.o: $(objpfx)crtn.S $(objpfx)defs.h
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$(compile.S) -g0 $(ASFLAGS-.os) -o $@
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generated += crti.S crtn.S defs.h pt-initfini.s
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endif
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ifeq (yes,$(build-static-nss))
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otherlibs += $(nssobjdir)/libnss_files.a $(resolvobjdir)/libnss_dns.a \
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$(resolvobjdir)/libresolv.a
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endif
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ifeq (no,$(cross-compiling))
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ifeq (yes,$(build-shared))
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tests: $(objpfx)tst-signal.out
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$(objpfx)tst-signal.out: tst-signal.sh $(objpfx)tst-signal
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$(SHELL) -e $< $(common-objpfx) > $@
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endif
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endif
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