diff --git a/0001-Fix-NOTHREAD-compile-error-for-combination-code.patch b/0001-Fix-NOTHREAD-compile-error-for-combination-code.patch
new file mode 100644
index 0000000000000000000000000000000000000000..c5c6beb8b5d96195218f7dd0ffaf5a647ec99324
--- /dev/null
+++ b/0001-Fix-NOTHREAD-compile-error-for-combination-code.patch
@@ -0,0 +1,61 @@
+From 67fd6e436f4f479aead529a719e24d6864cf1dfa Mon Sep 17 00:00:00 2001
+From: Mark Adler <madler@alumni.caltech.edu>
+Date: Sun, 16 Jan 2022 09:23:07 -0800
+Subject: [PATCH] Fix NOTHREAD compile error for combination code.
+
+The ability to combine CRCs is needed for the new summary line
+when listing multiple gzip members.
+---
+ pigz.c | 10 ++++------
+ 1 file changed, 4 insertions(+), 6 deletions(-)
+
+diff --git a/pigz.c b/pigz.c
+index 01e50e0..f915c4a 100644
+--- a/pigz.c
++++ b/pigz.c
+@@ -558,9 +558,7 @@ local struct {
+     int procs;              // maximum number of compression threads (>= 1)
+     int setdict;            // true to initialize dictionary in each thread
+     size_t block;           // uncompressed input size per thread (>= 32K)
+-#ifndef NOTHREAD
+     crc_t shift;            // pre-calculated CRC-32 shift for length block
+-#endif
+ 
+     // saved gzip/zip header data for decompression, testing, and listing
+     time_t stamp;           // time stamp from gzip header
+@@ -1338,9 +1336,6 @@ local long zlib_vernum(void) {
+     return left < 2 ? num << (left << 2) : -1;
+ }
+ 
+-#ifndef NOTHREAD
+-// -- threaded portions of pigz --
+-
+ // -- check value combination routines for parallel calculation --
+ 
+ #define COMB(a,b,c) (g.form == 1 ? adler32_comb(a,b,c) : crc32_comb(a,b,c))
+@@ -1421,6 +1416,9 @@ local unsigned long adler32_comb(unsigned long adler1, unsigned long adler2,
+     return sum1 | (sum2 << 16);
+ }
+ 
++#ifndef NOTHREAD
++// -- threaded portions of pigz --
++
+ // -- pool of spaces for buffer management --
+ 
+ // These routines manage a pool of spaces. Each pool specifies a fixed size
+@@ -4337,11 +4335,11 @@ local void defaults(void) {
+     ZopfliInitOptions(&g.zopts);
+ #endif
+     g.block = 131072UL;             // 128K
++    g.shift = x2nmodp(g.block, 3);
+ #ifdef NOTHREAD
+     g.procs = 1;
+ #else
+     g.procs = nprocs(8);
+-    g.shift = x2nmodp(g.block, 3);
+ #endif
+     g.rsync = 0;                    // don't do rsync blocking
+     g.setdict = 1;                  // initialize dictionary each thread
+-- 
+2.27.0
+
diff --git a/pigz-2.7.tar.gz b/pigz-2.7.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..eecd2e875ecb3b903e2d6f12d9c6cd392bdd64e1
Binary files /dev/null and b/pigz-2.7.tar.gz differ
diff --git a/pigz.spec b/pigz.spec
new file mode 100644
index 0000000000000000000000000000000000000000..a433b28f7c8a4ebd5f0a4a03539fd32848dcdc49
--- /dev/null
+++ b/pigz.spec
@@ -0,0 +1,46 @@
+Name:           pigz
+Version:        2.7
+Release:        1%{?dist}
+Summary:        Parallel implementation of gzip
+License:        zlib
+URL:            https://www.zlib.net/pigz/
+Source0:        https://www.zlib.net/%{name}/%{name}-%{version}.tar.gz
+Patch0:         0001-Fix-NOTHREAD-compile-error-for-combination-code.patch
+
+BuildRequires:  gcc
+BuildRequires:  make
+BuildRequires:  ncompress
+BuildRequires:  zlib-devel
+
+%description
+pigz, which stands for parallel implementation of gzip,
+is a fully functional replacement for gzip that exploits
+multiple processors and multiple cores to the hilt when
+compressing data.
+
+%prep
+%autosetup -p1
+
+%build
+%set_build_flags
+%make_build CFLAGS="$RPM_OPT_FLAGS"
+
+%install
+install -p -D pigz $RPM_BUILD_ROOT%{_bindir}/pigz
+pushd $RPM_BUILD_ROOT%{_bindir}; ln pigz unpigz; popd
+install -p -D pigz.1 -m 0644 $RPM_BUILD_ROOT%{_datadir}/man/man1/pigz.1
+
+%check
+make tests CFLAGS="$RPM_OPT_FLAGS"
+
+%files
+%license README
+%doc pigz.pdf README
+%{_bindir}/pigz
+%{_bindir}/unpigz
+%{_datadir}/man/man1/pigz.*
+
+%changelog
+* Fri Mar 11 2022 Yaobin Shi <shiyaobin.syb@alibaba-inc.com> - 2.7-1
+- Fix NOTHREAD compile error
+- Init for Anolis OS 23