fix build error
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zhouwenpei
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565109ed14
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ac440606c5
@ -0,0 +1,156 @@
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From d6ddec3f8a747381dfb2af999731b83379713960 Mon Sep 17 00:00:00 2001
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From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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Date: Wed, 28 Nov 2018 16:56:59 -0500
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Subject: [PATCH] Adapt lttng-ust to use multiflavor symbols from liburcu 0.11
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Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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---
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configure.ac | 6 +++---
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include/lttng/tracepoint-rcu.h | 6 +++---
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liblttng-ust/lttng-ust-comm.c | 5 +++--
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liblttng-ust/tracepoint-internal.h | 2 +-
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liblttng-ust/tracepoint.c | 14 +++++++-------
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5 files changed, 17 insertions(+), 16 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index f90c5ba..c2280dc 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -246,10 +246,10 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
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])
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# urcu - check that URCU lib is available to compilation
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-AC_CHECK_LIB([urcu-bp], [synchronize_rcu_bp], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
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+AC_CHECK_LIB([urcu-bp], [urcu_bp_synchronize_rcu], [], [AC_MSG_ERROR([Cannot find liburcu-bp 0.11 or newer. Use [LDFLAGS]=-Ldir to specify its location.])])
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-# urcu - check that URCU lib is at least version 0.6
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-AC_CHECK_LIB([urcu-bp], [call_rcu_bp], [], [AC_MSG_ERROR([liburcu 0.6 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])])
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+# urcu - check that URCU lib is at least version 0.11
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+AC_CHECK_LIB([urcu-bp], [urcu_bp_call_rcu], [], [AC_MSG_ERROR([liburcu 0.11 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])])
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# optional linux/perf_event.h
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AC_CHECK_HEADERS([linux/perf_event.h], [have_perf_event=yes], [])
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diff --git a/include/lttng/tracepoint-rcu.h b/include/lttng/tracepoint-rcu.h
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index 0e08485..95d6049 100644
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--- a/include/lttng/tracepoint-rcu.h
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+++ b/include/lttng/tracepoint-rcu.h
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@@ -27,10 +27,10 @@
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#ifdef _LGPL_SOURCE
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-#include <urcu-bp.h>
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+#include <urcu/urcu-bp.h>
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-#define tp_rcu_read_lock_bp rcu_read_lock_bp
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-#define tp_rcu_read_unlock_bp rcu_read_unlock_bp
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+#define tp_rcu_read_lock_bp urcu_bp_read_lock
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+#define tp_rcu_read_unlock_bp urcu_bp_read_unlock
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#define tp_rcu_dereference_bp rcu_dereference
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#define TP_RCU_LINK_TEST() 1
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diff --git a/liblttng-ust/lttng-ust-comm.c b/liblttng-ust/lttng-ust-comm.c
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index 511b9cf..b8b3314 100644
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--- a/liblttng-ust/lttng-ust-comm.c
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+++ b/liblttng-ust/lttng-ust-comm.c
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@@ -1908,6 +1908,7 @@ void ust_before_fork(sigset_t *save_sigset)
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ust_lock_nocheck();
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rcu_bp_before_fork();
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+ urcu_bp_before_fork();
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}
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static void ust_after_fork_common(sigset_t *restore_sigset)
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@@ -1931,7 +1932,7 @@ void ust_after_fork_parent(sigset_t *restore_sigset)
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if (URCU_TLS(lttng_ust_nest_count))
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return;
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DBG("process %d", getpid());
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- rcu_bp_after_fork_parent();
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+ urcu_bp_after_fork_parent();
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/* Release mutexes and reenable signals */
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ust_after_fork_common(restore_sigset);
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}
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@@ -1952,7 +1953,7 @@ void ust_after_fork_child(sigset_t *restore_sigset)
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lttng_context_vtid_reset();
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DBG("process %d", getpid());
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/* Release urcu mutexes */
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- rcu_bp_after_fork_child();
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+ urcu_bp_after_fork_child();
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lttng_ust_cleanup(0);
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/* Release mutexes and reenable signals */
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ust_after_fork_common(restore_sigset);
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diff --git a/liblttng-ust/tracepoint-internal.h b/liblttng-ust/tracepoint-internal.h
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index 298f78e..1e6f92b 100644
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--- a/liblttng-ust/tracepoint-internal.h
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+++ b/liblttng-ust/tracepoint-internal.h
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@@ -50,7 +50,7 @@ extern void __tracepoint_probe_prune_release_queue(void);
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*/
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static inline void tracepoint_synchronize_unregister(void)
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{
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- synchronize_rcu_bp();
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+ urcu_bp_synchronize_rcu();
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}
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extern void init_tracepoint(void);
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diff --git a/liblttng-ust/tracepoint.c b/liblttng-ust/tracepoint.c
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index 14b8231..1c27e40 100644
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--- a/liblttng-ust/tracepoint.c
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+++ b/liblttng-ust/tracepoint.c
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@@ -26,7 +26,7 @@
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#include <stdio.h>
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#include <urcu/arch.h>
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-#include <urcu-bp.h>
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+#include <urcu/urcu-bp.h>
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#include <urcu/hlist.h>
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#include <urcu/uatomic.h>
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#include <urcu/compiler.h>
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@@ -149,7 +149,7 @@ static void release_probes(void *old)
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if (old) {
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struct tp_probes *tp_probes = caa_container_of(old,
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struct tp_probes, probes[0]);
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- synchronize_rcu();
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+ urcu_bp_synchronize_rcu();
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free(tp_probes);
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}
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}
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@@ -709,7 +709,7 @@ void __tracepoint_probe_prune_release_queue(void)
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release_queue_need_update = 0;
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/* Wait for grace period between all sync_callsites and free. */
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- synchronize_rcu();
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+ urcu_bp_synchronize_rcu();
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cds_list_for_each_entry_safe(pos, next, &release_probes, u.list) {
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cds_list_del(&pos->u.list);
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@@ -800,7 +800,7 @@ void tracepoint_probe_update_all(void)
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tracepoint_update_probes();
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/* Wait for grace period between update_probes and free. */
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- synchronize_rcu();
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+ urcu_bp_synchronize_rcu();
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cds_list_for_each_entry_safe(pos, next, &release_probes, u.list) {
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cds_list_del(&pos->u.list);
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free(pos);
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@@ -946,15 +946,15 @@ void exit_tracepoint(void)
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void tp_rcu_read_lock_bp(void)
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{
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- rcu_read_lock_bp();
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+ urcu_bp_read_lock();
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}
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void tp_rcu_read_unlock_bp(void)
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{
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- rcu_read_unlock_bp();
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+ urcu_bp_read_unlock();
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}
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void *tp_rcu_dereference_sym_bp(void *p)
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{
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- return rcu_dereference_bp(p);
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+ return urcu_bp_dereference(p);
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}
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--
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2.27.0
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@ -1,6 +1,6 @@
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Name: lttng-ust
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Name: lttng-ust
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Version: 2.10.1
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Version: 2.10.1
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Release: 10
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Release: 11
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Summary: LTTng Userspace Tracer library
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Summary: LTTng Userspace Tracer library
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License: LGPLv2 and GPLv2 and MIT
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License: LGPLv2 and GPLv2 and MIT
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URL: https://lttng.org
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URL: https://lttng.org
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@ -8,7 +8,8 @@ URL: https://lttng.org
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Source0: https://lttng.org/files/lttng-ust/%{name}-%{version}.tar.bz2
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Source0: https://lttng.org/files/lttng-ust/%{name}-%{version}.tar.bz2
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Patch0: Fix-namespace-our-gettid-wrapper.patch
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Patch0: Fix-namespace-our-gettid-wrapper.patch
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Patch1: lttng-gen-tp-shebang.patch
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Patch1: lttng-gen-tp-shebang.patch
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patch2: fix-build-with-fno-common.patch
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Patch2: fix-build-with-fno-common.patch
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Patch3: 0001-Adapt-lttng-ust-to-use-multiflavor-symbols-form-liburcu-0.11.patch
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BuildRequires: libuuid-devel autoconf automake libtool
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BuildRequires: libuuid-devel autoconf automake libtool
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BuildRequires: userspace-rcu-devel >= 0.8.0
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BuildRequires: userspace-rcu-devel >= 0.8.0
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@ -61,6 +62,9 @@ make check
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%{_docdir}/%{name}/*
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%{_docdir}/%{name}/*
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%changelog
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%changelog
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* Mon Dec 20 2021 zhouwenpei <zhouwenpei1@huawei.com> - 2.10.1-11
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- fix build error
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* Fri Jul 30 2021 zhouwenpei <zhouwenpei1@huawei.com> - 2.10.1-10
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* Fri Jul 30 2021 zhouwenpei <zhouwenpei1@huawei.com> - 2.10.1-10
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- fix build with -fno-common
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- fix build with -fno-common
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