diff --git a/0001-testsuite-Handle-readelf-following-links-by-default.patch b/0001-testsuite-Handle-readelf-following-links-by-default.patch
deleted file mode 100644
index e0514e801fc6c810f9335adb56b221c92933d809..0000000000000000000000000000000000000000
--- a/0001-testsuite-Handle-readelf-following-links-by-default.patch
+++ /dev/null
@@ -1,57 +0,0 @@
-From b1f26dc76158e1f3364836d8b540b17a7a1ccb3d Mon Sep 17 00:00:00 2001
-From: Tom de Vries <tdevries@suse.de>
-Date: Sat, 20 Mar 2021 09:37:31 +0100
-Subject: [PATCH] [testsuite] Handle readelf following links by default
-
-Since binutils commit c46b706620e "Change the readelf and objdump programs so
-that they will automatically follow links to separate debug info files" there
-are a few FAILs in the dwz testsuite.
-
-This is just due to changing the default behaviour for readelf.
-
-Fix this by testing whether the new -Wn readelf flag is supported,
-and if so, adding it to the readelf call.
-
-2021-03-20  Tom de Vries  <tdevries@suse.de>
-
-	PR dwz/27592
-	* testsuite/dwz.tests/odr-struct-multifile.sh: Call readelf with -wN
-	if supported.
----
- testsuite/dwz.tests/odr-struct-multifile.sh | 9 +++++++--
- 2 files changed, 13 insertions(+), 3 deletions(-)
-
-diff --git a/testsuite/dwz.tests/odr-struct-multifile.sh b/testsuite/dwz.tests/odr-struct-multifile.sh
-index cc462c9..20b682b 100644
---- a/testsuite/dwz.tests/odr-struct-multifile.sh
-+++ b/testsuite/dwz.tests/odr-struct-multifile.sh
-@@ -2,6 +2,11 @@ if ! $execs/dwz-for-test --odr -v 2>/dev/null; then
-     exit 77
- fi
- 
-+readelf_flags=""
-+if readelf -h 2>&1 | grep -q "\-wN"; then
-+    readelf_flags=-wN
-+fi
-+
- cp $execs/odr-struct 1
- cp 1 2
- 
-@@ -41,12 +46,12 @@ done
- 
- 
- for name in aaa bbb ccc; do
--    cnt=$(readelf -wi 1 | grep -c "DW_AT_name.*:.*$name" || true)
-+    cnt=$(readelf -wi $readelf_flags 1 | grep -c "DW_AT_name.*:.*$name" || true)
-     [ $cnt -eq 0 ]
- done
- 
- for name in member_one member_two member_three member_four; do
--    cnt=$(readelf -wi 1 | grep -c "DW_AT_name.*:.*$name" || true)
-+    cnt=$(readelf -wi $readelf_flags 1 | grep -c "DW_AT_name.*:.*$name" || true)
-     [ $cnt -eq 0 ]
- done
- 
--- 
-2.19.1.6.gb485710b
-
diff --git a/dwz-0.14.tar.xz b/dwz-0.14.tar.xz
deleted file mode 100644
index 3d6789fa0c184db8bf86243f17c6702be4a6637a..0000000000000000000000000000000000000000
Binary files a/dwz-0.14.tar.xz and /dev/null differ
diff --git a/dwz-0.15.tar.xz b/dwz-0.15.tar.xz
new file mode 100644
index 0000000000000000000000000000000000000000..d293ea07776b0fe2bc984c366466c493bb9eeea5
Binary files /dev/null and b/dwz-0.15.tar.xz differ
diff --git a/dwz.spec b/dwz.spec
index 9389bc1d953e77346c1ec9b36a8a30bc1304aa72..4acef3eefa72c4c17034a612afe4417d7db52de9 100644
--- a/dwz.spec
+++ b/dwz.spec
@@ -1,14 +1,12 @@
-%define anolis_release 2
+%define anolis_release 1
 Summary: DWARF optimization and duplicate removal tool
 Name: dwz
 Url: https://sourceware.org/dwz/
-Version: 0.14
+Version: 0.15
 Release: %{anolis_release}%{?dist}
 License: GPLv2+ and GPLv3+
 Source: https://sourceware.org/ftp/dwz/releases/%{name}-%{version}.tar.xz
-# backport from upstream to fix odr-struct-multifile.sh fained
-Patch1: 0001-testsuite-Handle-readelf-following-links-by-default.patch
-BuildRequires: gcc, gcc-c++, gdb, elfutils-libelf-devel, dejagnu
+BuildRequires: gcc, gcc-c++, gdb, elfutils-libelf-devel, dejagnu, xxhash-devel
 BuildRequires: make
 
 %description
@@ -20,6 +18,14 @@ duplication using techniques from DWARF standard appendix E - creating
 DW_TAG_partial_unit compilation units (CUs) for duplicated information
 and using DW_TAG_imported_unit to import it into each CU that needs it.
 
+%package doc
+Summary:        Documentation files for %{name}
+Requires:       %{name} = %{version}-%{release}
+BuildArch:      noarch
+
+%description    doc
+The %{name}-doc package contains documentation files for %{name}.
+
 %prep
 %autosetup -p1 -n dwz
 
@@ -34,7 +40,7 @@ rm -rf %{buildroot}
 %generate_compatibility_deps
 
 %check
-make check
+CFLAGS="" LDFLAGS="" make check
 
 %files
 %dir %{abidir}
@@ -43,7 +49,13 @@ make check
 %{abidir}/dwz-option.list
 %{_mandir}/man1/dwz.1*
 
+%files doc
+%doc VERSION README*
+
 %changelog
+* Thu Feb 02 2023 Kaihao Bai <carlo.bai@linux.alibaba.com> - 0.15-1
+- update version to 0.15
+
 * Mon Oct 31 2022 mgb01105731 <mgb01105731@alibaba-inc.com> - 0.14-2
 - optimise spec file