| 1 | # Copyright (C) 1996-2003, 2004, 2005 Free Software Foundation, Inc.
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| 2 | # This file is part of the GNU C Library.
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| 3 |
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| 4 | # The GNU C Library is free software; you can redistribute it and/or
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| 5 | # modify it under the terms of the GNU Lesser General Public
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| 6 | # License as published by the Free Software Foundation; either
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| 7 | # version 2.1 of the License, or (at your option) any later version.
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| 8 |
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| 9 | # The GNU C Library is distributed in the hope that it will be useful,
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| 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 12 | # Lesser General Public License for more details.
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| 13 |
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| 14 | # You should have received a copy of the GNU Lesser General Public
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| 15 | # License along with the GNU C Library; if not, write to the Free
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| 16 | # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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| 17 | # 02111-1307 USA.
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| 18 |
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| 19 | #
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| 20 | # Sub-makefile for linuxthreads portion of the library.
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| 21 | #
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| 22 | subdir := linuxthreads
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| 23 |
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| 24 | all: # Make this the default target; it will be defined in Rules.
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| 25 |
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| 26 | linuxthreads-version := $(shell sed -n 's/^.*$(subdir)-\([0-9.]*\).*$$/\1/p' \
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| 27 | Banner)
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| 28 | libpthread-abi-frozen := GLIBC_2.3.2
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| 29 |
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| 30 | headers := pthread.h semaphore.h
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| 31 | distribute := internals.h queue.h restart.h spinlock.h smp.h tst-signal.sh \
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| 32 | tst-cancel-wrappers.sh libc-tsd.c
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| 33 |
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| 34 | routines := forward alloca_cutoff libc-cancellation libc_pthread_init
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| 35 | shared-only-routines = forward
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| 36 |
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| 37 | extra-libs := libpthread
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| 38 | extra-libs-others := $(extra-libs)
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| 39 | install-lib-ldscripts := libpthread.so
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| 40 |
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| 41 | libpthread-routines := attr cancel condvar join manager mutex ptfork \
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| 42 | ptlongjmp pthread pt-sigsuspend signals specific errno \
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| 43 | lockfile semaphore spinlock rwlock pt-machine \
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| 44 | oldsemaphore events getcpuclockid pspinlock barrier \
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| 45 | ptclock_gettime ptclock_settime sighandler \
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| 46 | pthandles libc-tls-loc pt-allocrtsig \
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| 47 | ptw-write ptw-read ptw-close ptw-fcntl ptw-accept \
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| 48 | ptw-connect ptw-recv ptw-recvfrom ptw-recvmsg \
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| 49 | ptw-send ptw-sendmsg ptw-sendto ptw-fsync ptw-lseek \
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| 50 | ptw-lseek64 ptw-llseek ptw-msync ptw-nanosleep \
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| 51 | ptw-open ptw-open64 ptw-pause ptw-pread ptw-pread64 \
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| 52 | ptw-pwrite ptw-pwrite64 ptw-tcdrain ptw-wait \
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| 53 | ptw-waitpid pt-system old_pthread_atfork pthread_atfork \
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| 54 | ptcleanup
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| 55 | # pthread_setuid pthread_seteuid pthread_setreuid \
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| 56 | # pthread_setresuid \
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| 57 | # pthread_setgid pthread_setegid pthread_setregid \
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| 58 | # pthread_setresgid
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| 59 |
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| 60 | # Don't generate deps for calls with no sources. See sysdeps/unix/Makefile.
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| 61 | omit-deps = $(unix-syscalls:%=ptw-%)
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| 62 |
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| 63 | libpthread-shared-only-routines = pt-allocrtsig
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| 64 | libpthread-static-only-routines = pthread_atfork
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| 65 |
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| 66 | linuxthreads-CPPFLAGS = -DIS_IN_linuxthreads=1
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| 67 |
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| 68 | CFLAGS-pthread_atfork.c = -DNOT_IN_libc
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| 69 |
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| 70 | nodelete-yes = -Wl,--enable-new-dtags,-z,nodelete
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| 71 | initfirst-yes = -Wl,--enable-new-dtags,-z,initfirst
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| 72 | LDFLAGS-pthread.so = $(nodelete-$(have-z-nodelete)) \
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| 73 | $(initfirst-$(have-z-initfirst))
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| 74 |
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| 75 | vpath %.c Examples
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| 76 |
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| 77 | tst-cancel-ARGS = "$(objpfx)"
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| 78 | CFLAGS-tst-cancel.c = -fno-inline -fno-inline-functions
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| 79 |
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| 80 | include ../Makeconfig
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| 81 |
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| 82 | ifeq ($(build-shared),yes)
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| 83 |
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| 84 | # Set the `multidir' variable by grabbing the variable from the compiler.
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| 85 | # We do it once and save the result in a generated makefile.
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| 86 | -include $(objpfx)multidir.mk
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| 87 | $(objpfx)multidir.mk: $(common-objpfx)config.make
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| 88 | $(make-target-directory)
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| 89 | dir=`$(CC) $(CFLAGS) $(CPPFLAGS) -print-multi-directory`; \
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| 90 | echo "multidir := $$dir" > $@T
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| 91 | mv -f $@T $@
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| 92 | generated += multidir.mk
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| 93 |
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| 94 | crti-objs := crti.o
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| 95 | crtn-objs := crtn.o
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| 96 | ifneq (,$(patsubst .,,$(multidir)))
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| 97 | generated-dirs := $(firstword $(subst /, , $(multidir)))
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| 98 | crti-objs += $(multidir)/crti.o
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| 99 | crtn-objs += $(multidir)/crtn.o
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| 100 | omit-deps += $(multidir)/crti $(multidir)/crtn
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| 101 | endif
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| 102 | extra-objs += $(crti-objs) $(crtn-objs)
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| 103 | omit-deps += crti crtn
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| 104 |
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| 105 | CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions $(fno-unit-at-a-time)
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| 106 | endif
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| 107 |
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| 108 | librt-tests = ex10 ex11 tst-clock1
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| 109 | tests = ex1 ex2 ex3 ex4 ex5 ex6 ex7 ex8 ex9 $(librt-tests) ex12 ex13 joinrace \
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| 110 | tststack $(tests-nodelete-$(have-z-nodelete)) ecmutex ex14 ex15 ex16 \
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| 111 | ex17 ex18 tst-cancel tst-context bug-sleep \
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| 112 | tst-cancel1 tst-cancel2 tst-cancel3 tst-cancel4 tst-cancel5 \
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| 113 | tst-cancel6 tst-cancel7 tst-cancel8 tst-popen tst-popen2 tst-attr1 \
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| 114 | tst-stack1 tst-align tst-tsd1
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| 115 | test-srcs = tst-signal
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| 116 | # These tests are linked with libc before libpthread
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| 117 | tests-reverse += tst-cancel5
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| 118 |
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| 119 | ifeq ($(build-static),yes)
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| 120 | tests += tststatic tst-static-locale tst-cancel-static
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| 121 | tests-static += tststatic tst-static-locale tst-cancel-static
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| 122 | endif
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| 123 |
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| 124 | ifeq (yes,$(build-shared))
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| 125 | tests-nodelete-yes = unload
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| 126 | tests += tst-tls1 tst-_res1
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| 127 | endif
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| 128 |
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| 129 | modules-names = tst-_res1mod1 tst-_res1mod2 \
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| 130 | tst-tls1mod tst-tls1moda tst-tls1modb tst-tls1modc \
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| 131 | tst-tls1modd tst-tls1mode tst-tls1modf
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| 132 | extra-objs += $(addsuffix .os,$(strip $(modules-names)))
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| 133 | generated += $(addsuffix .so,$(strip $(modules-names)))
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| 134 | test-extras += $(modules-names)
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| 135 | test-modules = $(addprefix $(objpfx),$(addsuffix .so,$(modules-names)))
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| 136 |
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| 137 | tst-tls1mod.so-no-z-defs = yes
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| 138 | tst-tls1moda.so-no-z-defs = yes
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| 139 | tst-tls1modb.so-no-z-defs = yes
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| 140 | tst-tls1modc.so-no-z-defs = yes
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| 141 | tst-tls1modd.so-no-z-defs = yes
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| 142 | tst-tls1mode.so-no-z-defs = yes
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| 143 | tst-tls1modf.so-no-z-defs = yes
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| 144 |
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| 145 | $(test-modules): $(objpfx)%.so: $(objpfx)%.os $(common-objpfx)shlib.lds
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| 146 | $(build-module)
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| 147 |
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| 148 | ifeq ($(build-shared),yes)
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| 149 | # Build all the modules even when not actually running test programs.
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| 150 | tests: $(test-modules)
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| 151 | endif
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| 152 |
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| 153 | # What we install as libpthread.so for programs to link against is in fact a
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| 154 | # link script. It contains references for the various libraries we need.
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| 155 | # The libpthread.so object is not complete since some functions are only defined
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| 156 | # in libpthread_nonshared.a.
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| 157 | # We need to use absolute paths since otherwise local copies (if they exist)
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| 158 | # of the files are taken by the linker.
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| 159 | install: $(inst_libdir)/libpthread.so
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| 160 | $(inst_libdir)/libpthread.so: $(common-objpfx)format.lds \
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| 161 | $(objpfx)libpthread.so$(libpthread.so-version) \
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| 162 | $(inst_libdir)/$(patsubst %,$(libtype.oS),\
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| 163 | $(libprefix)pthread) \
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| 164 | $(+force)
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| 165 | (echo '/* GNU ld script';\
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| 166 | echo ' Use the shared library, but some functions are only in';\
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| 167 | echo ' the static library, so try that secondarily. */';\
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| 168 | cat $<; \
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| 169 | echo 'GROUP ( $(slibdir)/libpthread.so$(libpthread.so-version)' \
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| 170 | '$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)pthread)'\
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| 171 | ')' \
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| 172 | ) > $@.new
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| 173 | mv -f $@.new $@
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| 174 |
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| 175 |
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| 176 | extra-B-pthread.so = -B$(common-objpfx)linuxthreads/
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| 177 | $(objpfx)libpthread.so: $(addprefix $(objpfx),$(crti-objs) $(crtn-objs))
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| 178 | $(objpfx)libpthread.so: +preinit += $(addprefix $(objpfx),$(crti-objs))
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| 179 | $(objpfx)libpthread.so: +postinit += $(addprefix $(objpfx),$(crtn-objs))
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| 180 |
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| 181 | znodelete-yes = -DHAVE_Z_NODELETE
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| 182 | CFLAGS-mutex.c += -D__NO_WEAK_PTHREAD_ALIASES
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| 183 | CFLAGS-specific.c += -D__NO_WEAK_PTHREAD_ALIASES
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| 184 | CFLAGS-pthread.c += -D__NO_WEAK_PTHREAD_ALIASES $(znodelete-$(have-z-nodelete))
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| 185 | CFLAGS-ptfork.c += -D__NO_WEAK_PTHREAD_ALIASES
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| 186 | CFLAGS-cancel.c += -D__NO_WEAK_PTHREAD_ALIASES -D_RPC_THREAD_SAFE_
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| 187 | CFLAGS-unload.c += -DPREFIX=\"$(objpfx)\"
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| 188 | CFLAGS-mutex.c += $(uses-callbacks)
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| 189 | CFLAGS-sighandler.c += $(uses-callbacks)
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| 190 |
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| 191 | ifeq (yes,$(versioning))
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| 192 | -include $(common-objpfx)tls.make
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| 193 | libc-ok-for-link = $(use-thread)
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| 194 | else
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| 195 | libc-ok-for-link = yes
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| 196 | endif
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| 197 |
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| 198 | ifeq (no,$(libc-ok-for-link))
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| 199 | # These hacks are necessary to let us link against a libc.so that exports
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| 200 | # the symbols _errno, _h_errno, and _res. Those symbols are accessible
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| 201 | # in libc at runtime (dynamic linkable), but are not exported at link time
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| 202 | # so that applications cannot link against them. However, libpthread.so
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| 203 | # needs to link against them for its __errno_location et al functions to
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| 204 | # find the locations that libc's symbols resolve to. We cannot do this
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| 205 | # with aliases in libc.so(GLIBC_PRIVATE), because we need to refer to an
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| 206 | # executable's symbols when it defines them with copy relocs.
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| 207 | libc-link.so = $(objpfx)libc.so
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| 208 |
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| 209 | $(objpfx)libc_pic_lite.a: $(common-objpfx)libc_pic.a
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| 210 | cp $< $@T
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| 211 | $(AR) d $@T errno.os herrno.os res_libc.os
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| 212 | mv -f $@T $@
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| 213 |
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| 214 | extra-objs += libc-tsd.os
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| 215 | $(objpfx)libc_pic_lite.os: $(objpfx)libc_pic_lite.a $(objpfx)libc-tsd.os
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| 216 | $(LINK.o) -nostdlib -nostartfiles -r -o $@ \
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| 217 | $(LDFLAGS-c_pic.os) -Wl,-d -Wl,--whole-archive $^
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| 218 |
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| 219 | # This trick leaves errno and h_errno undefined.
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| 220 | libc.so-no-z-defs = yes
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| 221 |
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| 222 | $(objpfx)libc.so: $(elfobjdir)/soinit.os \
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| 223 | $(objpfx)libc_pic_lite.os \
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| 224 | $(elfobjdir)/sofini.os \
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| 225 | $(elfobjdir)/interp.os $(elfobjdir)/ld.so
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| 226 | $(build-shlib)
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| 227 |
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| 228 | generated += libc_pic_lite.a libc_pic_lite.os libc.so libc-tsd.os
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| 229 | else
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| 230 | libc-link.so = $(common-objpfx)libc.so
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| 231 | endif
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| 232 |
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| 233 | include ../Rules
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| 234 |
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| 235 | # Depend on libc.so so a DT_NEEDED is generated in the shared objects.
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| 236 | # This ensures they will load libc.so for needed symbols if loaded by
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| 237 | # a statically-linked program that hasn't already loaded it.
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| 238 | # Depend on ld.so too to get proper versions of ld.so symbols.
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| 239 | $(objpfx)libpthread.so: $(libc-link.so) $(common-objpfx)libc_nonshared.a \
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| 240 | $(if $(filter yes,$(elf)), $(elfobjdir)/ld.so)
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| 241 |
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| 242 | # Make sure we link with the thread library.
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| 243 | ifeq ($(build-shared),yes)
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| 244 | $(addprefix $(objpfx), \
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| 245 | $(filter-out $(tests-static) $(tests-reverse) unload, \
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| 246 | $(tests) $(test-srcs))): $(objpfx)libpthread.so \
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| 247 | $(objpfx)libpthread_nonshared.a
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| 248 | # $(objpfx)../libc.so is used instead of $(common-objpfx)libc.so,
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| 249 | # since otherwise libpthread.so comes before libc.so when linking.
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| 250 | $(addprefix $(objpfx), $(tests-reverse)): \
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| 251 | $(objpfx)../libc.so $(objpfx)libpthread.so \
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| 252 | $(objpfx)libpthread_nonshared.a
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| 253 | $(objpfx)../libc.so: $(common-objpfx)libc.so ;
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| 254 | $(addprefix $(objpfx),$(librt-tests)): $(common-objpfx)rt/librt.so
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| 255 | $(objpfx)unload: $(common-objpfx)dlfcn/libdl.so
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| 256 | $(objpfx)unload.out: $(objpfx)libpthread.so $(objpfx)libpthread_nonshared.a
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| 257 | else
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| 258 | $(addprefix $(objpfx),$(tests) $(test-srcs)): $(objpfx)libpthread.a
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| 259 | $(addprefix $(objpfx),$(librt-tests)): $(common-objpfx)rt/librt.a
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| 260 | endif
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| 261 | ifeq ($(build-bounded),yes)
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| 262 | $(tests:%=$(objpfx)%-bp): $(objpfx)libpthread_b.a
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| 263 | $(librt-tests:%=$(objpfx)%-bp): $(common-objpfx)rt/librt_b.a
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| 264 | endif
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| 265 |
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| 266 | ifeq ($(build-static),yes)
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| 267 | $(addprefix $(objpfx), $(tests-static)): $(objpfx)libpthread.a
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| 268 | endif
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| 269 |
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| 270 | ifeq ($(build-shared),yes)
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| 271 | vpath pt-initfini.c $(full_config_sysdirs)
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| 272 |
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| 273 | $(objpfx)pt-initfini.s: pt-initfini.c
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| 274 | $(compile.c) -S $(CFLAGS-pt-initfini.s) -finhibit-size-directive \
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| 275 | $(patsubst -f%,-fno-%,$(exceptions)) -o $@
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| 276 |
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| 277 | # We only have one kind of startup code files. Static binaries and
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| 278 | # shared libraries are build using the PIC version.
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| 279 | $(objpfx)crti.S: $(objpfx)pt-initfini.s
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| 280 | sed -n -e '1,/@HEADER_ENDS/p' \
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| 281 | -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
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| 282 | -e '/@TRAILER_BEGINS/,$$p' $< > $@
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| 283 | $(objpfx)crtn.S: $(objpfx)pt-initfini.s
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| 284 | sed -n -e '1,/@HEADER_ENDS/p' \
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| 285 | -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
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| 286 | -e '/@TRAILER_BEGINS/,$$p' $< > $@
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| 287 |
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| 288 | $(objpfx)defs.h: $(objpfx)pt-initfini.s
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| 289 | sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
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| 290 | $(AWK) -f ../csu/defs.awk > $@
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| 291 |
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| 292 | $(objpfx)crti.o: $(objpfx)crti.S $(objpfx)defs.h
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| 293 | $(compile.S) -g0 $(ASFLAGS-.os) -o $@
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| 294 |
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| 295 | $(objpfx)crtn.o: $(objpfx)crtn.S $(objpfx)defs.h
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| 296 | $(compile.S) -g0 $(ASFLAGS-.os) -o $@
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| 297 |
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| 298 | ifneq ($(multidir),.)
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| 299 | $(objpfx)$(multidir):
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| 300 | @mkdir -p $(objpfx)$(multidir)
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| 301 |
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| 302 | $(objpfx)$(multidir)/crti.o: $(objpfx)crti.o $(objpfx)$(multidir)
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| 303 | ln -f $< $@
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| 304 |
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| 305 | $(objpfx)$(multidir)/crtn.o: $(objpfx)crtn.o $(objpfx)$(multidir)
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| 306 | ln -f $< $@
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| 307 | endif
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| 308 |
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| 309 | generated += crti.S crtn.S defs.h pt-initfini.s libpthread_nonshared.a
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| 310 | endif
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| 311 |
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| 312 | ifeq (yes,$(build-static-nss))
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| 313 | otherlibs += $(nssobjdir)/libnss_files.a $(resolvobjdir)/libnss_dns.a \
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| 314 | $(resolvobjdir)/libresolv.a
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| 315 | endif
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| 316 |
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| 317 | ifeq (yes,$(build-shared))
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| 318 | $(objpfx)tst-_res1mod2.so: $(objpfx)tst-_res1mod1.so
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| 319 | $(objpfx)tst-_res1: $(objpfx)tst-_res1mod2.so $(shared-thread-library)
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| 320 |
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| 321 | $(objpfx)tst-tls1: $(objpfx)tst-tls1mod.so $(shared-thread-library)
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| 322 |
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| 323 | tests: $(objpfx)tst-tls2.out
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| 324 | $(objpfx)tst-tls2.out: tst-tls2.sh $(objpfx)tst-tls1 \
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| 325 | $(objpfx)tst-tls1moda.so $(objpfx)tst-tls1modb.so \
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| 326 | $(objpfx)tst-tls1modc.so $(objpfx)tst-tls1modd.so \
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| 327 | $(objpfx)tst-tls1mode.so $(objpfx)tst-tls1modf.so
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| 328 | $(SHELL) -e tst-tls2.sh $(common-objpfx) $(elf-objpfx) \
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| 329 | $(rtld-installed-name)
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| 330 | generated += tst-tls2.out
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| 331 | endif
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| 332 |
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| 333 | ifeq (no,$(cross-compiling))
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| 334 | ifeq (yes,$(build-shared))
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| 335 | tests: $(objpfx)tst-signal.out $(objpfx)tst-cancel-wrappers.out
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| 336 | $(objpfx)tst-signal.out: tst-signal.sh $(objpfx)tst-signal
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| 337 | $(SHELL) -e $< $(common-objpfx) > $@
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| 338 | $(objpfx)tst-cancel-wrappers.out: tst-cancel-wrappers.sh
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| 339 | $(SHELL) $< $(common-objpfx)/libc_pic.a \
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| 340 | $(common-objpfx)/libc.a \
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| 341 | $(objpfx)/libpthread_pic.a \
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| 342 | $(objpfx)/libpthread.a > $@
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| 343 | generated += tst-signal.out tst-cancel-wrappers.out
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| 344 | endif
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| 345 | endif
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