check glibc version to avoid redefine gettid()

0001-Don-t-redefine-gettid-if-glibc-provides-it.patch

@@ -0,0 +1,38 @@
+From 04f80ac2c822543f130c30942560e4a3300f8481 Mon Sep 17 00:00:00 2001
+From: lingsheng <lingsheng@huawei.com>
+Date: Tue, 28 Jul 2020 09:41:05 +0800
+Subject: [PATCH] Don't redefine gettid if glibc provides it
+
+glibc 2.30+ include a definition for gettid() so that users don't have
+to manually define gettid() with syscall().
+Old code don't check this, this will redefine gettid() on the latest
+versions of glibc, causing build fail.
+
+Signed-off-by: lingsheng <lingsheng@huawei.com>
+---
+ KAE/utils/engine_utils.h | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/KAE/utils/engine_utils.h b/KAE/utils/engine_utils.h
+index 160e449..12a587e 100644
+--- a/KAE/utils/engine_utils.h
++++ b/KAE/utils/engine_utils.h
+@@ -28,7 +28,15 @@
+ #include <sys/types.h>
+ #include <sys/syscall.h>
+ 
++#if __GLIBC_PREREQ(2, 30)
++#ifndef _GNU_SOURCE
++#define _GNU_SOURCE
++#endif
++#include <unistd.h>
++#else
+ #define gettid() syscall(SYS_gettid)
++#endif
++
+ #define PRINTPID \
+     US_DEBUG("pid=%d, ptid=%lu, tid=%d", getpid(), pthread_self(), gettid())
+ 
+-- 
+2.23.0
+

kae.spec

@@ -3,7 +3,7 @@
 Name:          libkae
 Summary:       Huawei Kunpeng Accelerator Engine
 Version:       1.2.10
-Release:       3
+Release:       4
 License:       Apache-2.0
 Source:        %{name}-%{version}.tar.gz
 Vendor:        Huawei Corporation
@@ -16,11 +16,14 @@ Provides:      %{name} = %{version}-%{release}
 BuildRequires: libwd >= %{version} openssl-devel sed
 Requires:      openssl
 ExclusiveArch: aarch64
+
+Patch0001:     0001-Don-t-redefine-gettid-if-glibc-provides-it.patch
+
 %description
 This package contains the Huawei Kunpeng Accelerator Engine
 
 %prep
-%setup -c -n %{name}-%{version}
+%autosetup -c -n %{name}-%{version} -p1
 
 %build
 cd KAE
@@ -64,6 +67,9 @@ fi
 /sbin/ldconfig
 
 %changelog
+* Tue Jul 28 2020 lingsheng <lingsheng@huawei.com> 1.2.10-4
+- Check glibc version to avoid redefine gettid()
+
 * Sun Mar 15 2020 zhangtao <zhangtao221@huawei.com> 1.2.10-3
 - Specify aarch64 compilation