mirror of
https://sourceware.org/git/glibc.git
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5ad589d63b
It returns a range of file descriptor referring to the '/dev/null'
pathname. The function takes care of restarting the open range
if a file descriptor is found within the specified range and
also increases RLIMIT_NOFILE if required.
Checked on x86_64-linux-gnu.
(cherry picked from commit e814f4b04e)
298 lines
7.4 KiB
Makefile
298 lines
7.4 KiB
Makefile
# Makefile for support library, used only at build and test time
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# Copyright (C) 2016-2021 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, see
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# <https://www.gnu.org/licenses/>.
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subdir := support
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include ../Makeconfig
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extra-libs := libsupport
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extra-libs-others = $(extra-libs)
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extra-libs-noinstall := $(extra-libs)
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libsupport-routines = \
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blob_repeat \
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check \
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check_addrinfo \
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check_dns_packet \
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check_hostent \
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check_netent \
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delayed_exit \
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ignore_stderr \
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next_to_fault \
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oom_error \
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resolv_response_context_duplicate \
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resolv_response_context_free \
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resolv_test \
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set_fortify_handler \
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support_stack_alloc \
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support-xfstat \
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support-xfstat-time64 \
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support-xstat \
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support-xstat-time64 \
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support_become_root \
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support_can_chroot \
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support_capture_subprocess \
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support_capture_subprocess_check \
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support_chroot \
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support_copy_file \
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support_copy_file_range \
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support_create_timer \
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support_descriptor_supports_holes \
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support_descriptors \
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support_enter_mount_namespace \
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support_enter_network_namespace \
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support_format_address_family \
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support_format_addrinfo \
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support_format_dns_packet \
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support_format_herrno \
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support_format_hostent \
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support_format_netent \
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support_isolate_in_subprocess \
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support_path_support_time64 \
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support_process_state \
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support_ptrace \
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support-open-dev-null-range \
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support_openpty \
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support_paths \
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support_quote_blob \
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support_quote_string \
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support_record_failure \
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support_run_diff \
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support_select_modifies_timeout \
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support_select_normalizes_timeout \
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support_set_small_thread_stack_size \
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support_shared_allocate \
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support_small_stack_thread_attribute \
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support_stat_nanoseconds \
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support_subprocess \
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support_test_compare_blob \
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support_test_compare_failure \
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support_test_compare_string \
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support_test_main \
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support_test_verify_impl \
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support_wait_for_thread_exit \
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support_write_file_string \
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temp_file \
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timespec \
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timespec-time64 \
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timespec-add \
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timespec-add-time64 \
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timespec-sub \
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timespec-sub-time64 \
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write_message \
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xaccept \
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xaccept4 \
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xasprintf \
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xbind \
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xcalloc \
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xchdir \
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xchroot \
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xclock_gettime \
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xclock_gettime_time64 \
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xclock_settime \
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xclock_settime_time64 \
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xclone \
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xclose \
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xchmod \
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xconnect \
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xcopy_file_range \
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xdlfcn \
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xdlmopen \
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xdup2 \
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xfchmod \
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xfclose \
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xfopen \
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xfork \
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xftruncate \
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xgetline \
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xgetsockname \
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xlisten \
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xlseek \
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xlstat \
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xlstat-time64 \
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xmalloc \
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xmemstream \
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xmkdir \
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xmkdirp \
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xmmap \
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xmprotect \
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xmunmap \
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xnewlocale \
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xopen \
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xpipe \
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xpoll \
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xposix_memalign \
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xpthread_attr_destroy \
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xpthread_attr_init \
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xpthread_attr_setdetachstate \
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xpthread_attr_setguardsize \
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xpthread_attr_setaffinity_np \
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xpthread_attr_setstack \
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xpthread_attr_setstacksize \
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xpthread_barrier_destroy \
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xpthread_barrier_init \
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xpthread_barrier_wait \
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xpthread_barrierattr_destroy \
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xpthread_barrierattr_init \
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xpthread_barrierattr_setpshared \
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xpthread_cancel \
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xpthread_check_return \
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xpthread_cond_wait \
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xpthread_create \
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xpthread_detach \
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xpthread_join \
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xpthread_key_create \
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xpthread_key_delete \
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xpthread_kill \
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xpthread_mutex_consistent \
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xpthread_mutex_destroy \
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xpthread_mutex_init \
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xpthread_mutex_lock \
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xpthread_mutex_unlock \
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xpthread_mutexattr_destroy \
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xpthread_mutexattr_init \
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xpthread_mutexattr_setprotocol \
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xpthread_mutexattr_setpshared \
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xpthread_mutexattr_setrobust \
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xpthread_mutexattr_settype \
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xpthread_once \
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xpthread_rwlock_init \
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xpthread_rwlock_destroy \
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xpthread_rwlock_rdlock \
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xpthread_rwlock_unlock \
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xpthread_rwlock_wrlock \
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xpthread_rwlockattr_init \
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xpthread_rwlockattr_setkind_np \
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xpthread_sigmask \
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xpthread_spin_lock \
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xpthread_spin_unlock \
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xraise \
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xreadlink \
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xrealloc \
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xrecvfrom \
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xsendto \
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xsetlocale \
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xsetsockopt \
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xsigaction \
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xsignal \
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xsigstack \
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xsocket \
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xposix_spawn \
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xposix_spawn_file_actions_addclose \
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xposix_spawn_file_actions_adddup2 \
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xstrdup \
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xstrndup \
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xsymlink \
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xsysconf \
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xunlink \
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xuselocale \
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xwaitpid \
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xwrite \
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libsupport-static-only-routines := $(libsupport-routines)
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# Only build one variant of the library.
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libsupport-inhibit-o := .os
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ifeq ($(build-shared),yes)
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libsupport-inhibit-o += .o
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endif
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CFLAGS-support_paths.c = \
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-DSRCDIR_PATH=\"`cd .. ; pwd`\" \
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-DOBJDIR_PATH=\"`cd $(objpfx)/..; pwd`\" \
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-DOBJDIR_ELF_LDSO_PATH=\"`cd $(objpfx)/..; pwd`/elf/$(rtld-installed-name)\" \
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-DINSTDIR_PATH=\"$(prefix)\" \
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-DLIBDIR_PATH=\"$(libdir)\" \
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-DBINDIR_PATH=\"$(bindir)\" \
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-DSBINDIR_PATH=\"$(sbindir)\" \
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-DSLIBDIR_PATH=\"$(slibdir)\" \
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-DROOTSBINDIR_PATH=\"$(rootsbindir)\" \
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-DCOMPLOCALEDIR_PATH=\"$(complocaledir)\"
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# In support_timespec_check_in_range we may be passed a very tight
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# range for which we should produce a correct result for expected
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# being withing the observed range. The code uses double internally
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# in support_timespec_check_in_range and for that computation we use
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# -fexcess-precision=standard.
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CFLAGS-timespec.c += -fexcess-precision=standard
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CFLAGS-timespec-time64.c += -fexcess-precision=standard
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ifeq (,$(CXX))
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LINKS_DSO_PROGRAM = links-dso-program-c
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else
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LINKS_DSO_PROGRAM = links-dso-program
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LDLIBS-links-dso-program = -lstdc++ -lgcc -lgcc_s $(libunwind)
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endif
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ifeq (yes,$(have-selinux))
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LDLIBS-$(LINKS_DSO_PROGRAM) += -lselinux
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endif
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LDLIBS-test-container = $(libsupport)
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others += test-container
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others-noinstall += test-container
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others += shell-container echo-container true-container
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others-noinstall += shell-container echo-container true-container
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others += $(LINKS_DSO_PROGRAM)
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others-noinstall += $(LINKS_DSO_PROGRAM)
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$(objpfx)test-container : $(libsupport)
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$(objpfx)shell-container : $(libsupport)
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$(objpfx)echo-container : $(libsupport)
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$(objpfx)true-container : $(libsupport)
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tests = \
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README-testing \
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tst-support-namespace \
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tst-support_blob_repeat \
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tst-support_capture_subprocess \
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tst-support_descriptors \
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tst-support_format_dns_packet \
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tst-support-open-dev-null-range \
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tst-support-process_state \
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tst-support_quote_blob \
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tst-support_quote_string \
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tst-support_record_failure \
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tst-test_compare \
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tst-test_compare_blob \
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tst-test_compare_string \
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tst-timespec \
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tst-xreadlink \
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tst-xsigstack \
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ifeq ($(run-built-tests),yes)
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tests-special = \
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$(objpfx)tst-support_record_failure-2.out
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$(objpfx)tst-support_record_failure-2.out: tst-support_record_failure-2.sh \
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$(objpfx)tst-support_record_failure
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$(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
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'$(run-program-env)' '$(test-program-prefix-after-env)' \
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> $@; \
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$(evaluate-test)
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endif
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$(objpfx)tst-support_format_dns_packet: $(common-objpfx)resolv/libresolv.so
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tst-support_capture_subprocess-ARGS = -- $(host-test-program-cmd)
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include ../Rules
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