diff --git a/metis-5.1.0.tar.gz b/metis-5.1.0.tar.gz
new file mode 100644
index 0000000..a6f2aba
Binary files /dev/null and b/metis-5.1.0.tar.gz differ
diff --git a/metis-GKREGEX-GKRAND-LIBSUFFIX-fix.patch b/metis-GKREGEX-GKRAND-LIBSUFFIX-fix.patch
new file mode 100644
index 0000000..24c59c4
--- /dev/null
+++ b/metis-GKREGEX-GKRAND-LIBSUFFIX-fix.patch
@@ -0,0 +1,56 @@
+--- GKlib/Makefile.orig	2013-03-11 20:50:42.000000000 +0100
++++ GKlib/Makefile	2013-03-17 14:26:23.632867727 +0100
+@@ -41,10 +41,10 @@
+     CONFIG_FLAGS += -DPCRE=$(pcre)
+ endif
+ ifneq ($(gkregex), not-set)
+-    CONFIG_FLAGS += -DGKREGEX=$(pcre)
++    CONFIG_FLAGS += -DGKREGEX=$(gkregex)
+ endif
+ ifneq ($(gkrand), not-set)
+-    CONFIG_FLAGS += -DGKRAND=$(pcre)
++    CONFIG_FLAGS += -DGKRAND=$(gkrand)
+ endif
+ ifneq ($(prefix), not-set)
+     CONFIG_FLAGS += -DCMAKE_INSTALL_PREFIX=$(prefix)
+
+--- Makefile.origin	2013-03-30 17:24:45.000000000 +0100
++++ Makefile	2013-04-14 20:04:38.887674462 +0200
+@@ -9,6 +9,11 @@
+ gklib_path = not-set
+ shared     = not-set
+ cc         = not-set
++libsuffix  = not-set
++pcre       = not-set
++gkregex    = not-set
++gkrand     = not-set
++
+ 
+ 
+ # Basically proxies everything to the builddir cmake.
+@@ -23,6 +28,9 @@
+ ifeq ($(gklib_path), not-set)
+     gklib_path = GKlib
+ endif
++ifneq ($(libsuffix), not-set)
++     CONFIG_FLAGS += -DLIB_SUFFIX=$(libsuffix)
++endif
+ CONFIG_FLAGS += -DGKLIB_PATH=$(abspath $(gklib_path))
+ ifneq ($(gdb), not-set)
+     CONFIG_FLAGS += -DGDB=$(gdb)
+@@ -51,6 +59,15 @@
+ ifneq ($(cc), not-set)
+     CONFIG_FLAGS += -DCMAKE_C_COMPILER=$(cc)
+ endif
++ifneq ($(pcre), not-set)
++    CONFIG_FLAGS += -DPCRE=$(pcre)
++endif
++ifneq ($(gkregex), not-set)
++    CONFIG_FLAGS += -DGKREGEX=$(gkregex)
++endif
++ifneq ($(gkrand), not-set)
++    CONFIG_FLAGS += -DGKRAND=$(gkrand)
++endif
+ 
+ VERNUM=5.1.0
+ PKGNAME=metis-$(VERNUM)
diff --git a/metis-libmetis.patch b/metis-libmetis.patch
new file mode 100644
index 0000000..919812d
--- /dev/null
+++ b/metis-libmetis.patch
@@ -0,0 +1,20 @@
+--- libmetis/CMakeLists.orig.txt	2011-06-22 19:47:13.000000000 +0200
++++ libmetis/CMakeLists.txt	2013-03-15 17:13:19.948911972 +0100
+@@ -4,13 +4,14 @@
+ file(GLOB metis_sources *.c)
+ # Build libmetis.
+ add_library(metis ${METIS_LIBRARY_TYPE} ${GKlib_sources} ${metis_sources})
++set_target_properties(metis PROPERTIES SOVERSION 0)
+ if(UNIX)
+   target_link_libraries(metis m)
+ endif()
+ 
+ if(METIS_INSTALL)
+   install(TARGETS metis
+-    LIBRARY DESTINATION lib
+-    RUNTIME DESTINATION lib
+-    ARCHIVE DESTINATION lib)
++    LIBRARY DESTINATION lib${LIB_SUFFIX}
++    RUNTIME DESTINATION lib${LIB_SUFFIX}
++    ARCHIVE DESTINATION lib${LIB_SUFFIX})
+ endif()
diff --git a/metis-pcre2.patch b/metis-pcre2.patch
new file mode 100644
index 0000000..d618ea2
--- /dev/null
+++ b/metis-pcre2.patch
@@ -0,0 +1,22 @@
+--- GKlib/GKlib.orig.h	2013-03-30 17:24:45.000000000 +0100
++++ GKlib/GKlib.h	2019-02-05 14:45:44.051629682 +0100
+@@ -43,7 +43,7 @@
+ #include <sys/stat.h>
+ 
+ #if defined(__WITHPCRE__)
+-  #include <pcreposix.h>
++  #include <pcre2posix.h>
+ #else
+   #if defined(USE_GKREGEX)
+     #include "gkregex.h"
+--- GKlib/test/Makefile.in.orig.old	2013-03-30 17:24:45.000000000 +0100
++++ GKlib/test/Makefile.in.old	2019-02-05 15:04:35.009847901 +0100
+@@ -196,7 +196,7 @@
+ 
+   #Libraries needed for linking
+   LIBSDIR  = -L$(BUILDDIR) -L$(GKLIBBUILDDIR) -L$(HOME)/local/lib
+-  LIBS     = -lGKlib -lpcreposix -lpcre -lz -lm
++  LIBS     = -lGKlib -lpcre2-posix -lz -lm
+ 
+   # Standard file extensions 
+   OBJEXT = .o
diff --git a/metis-shared-GKlib.patch b/metis-shared-GKlib.patch
new file mode 100644
index 0000000..acfa59e
--- /dev/null
+++ b/metis-shared-GKlib.patch
@@ -0,0 +1,21 @@
+--- GKlib/CMakeLists.orig.txt	2013-03-11 20:50:14.000000000 +0100
++++ GKlib/CMakeLists.txt	2013-03-17 19:53:44.220827579 +0100
+@@ -7,7 +7,7 @@
+ include(GKlibSystem.cmake)
+ 
+ include_directories(".")
+-add_library(GKlib STATIC ${GKlib_sources})
++add_library(GKlib SHARED ${GKlib_sources})
+ if(UNIX)
+   target_link_libraries(GKlib m)
+ endif(UNIX)
+@@ -16,6 +16,6 @@
+ add_subdirectory("test")
+ 
+ install(TARGETS GKlib
+-  ARCHIVE DESTINATION lib
+-  LIBRARY DESTINATION lib)
+-install(FILES ${GKlib_includes} DESTINATION include)
++  ARCHIVE DESTINATION lib${LIB_SUFFIX}
++  LIBRARY DESTINATION lib${LIB_SUFFIX})
++install(FILES ${GKlib_includes} DESTINATION include/metis)
diff --git a/metis-width-datatype.patch b/metis-width-datatype.patch
new file mode 100644
index 0000000..f583d05
--- /dev/null
+++ b/metis-width-datatype.patch
@@ -0,0 +1,12 @@
+--- include/metis.orig.h	2013-03-11 20:50:00.000000000 +0100
++++ include/metis.h	2013-03-16 12:14:59.117329640 +0100
+@@ -30,7 +30,7 @@
+  GCC does provides these definitions in stdint.h, but it may require some
+  modifications on other architectures.
+ --------------------------------------------------------------------------*/
+-#define IDXTYPEWIDTH 32
++#define IDXTYPEWIDTH 64
+ 
+ 
+ /*--------------------------------------------------------------------------
+
diff --git a/metis.spec b/metis.spec
new file mode 100644
index 0000000..99915ef
--- /dev/null
+++ b/metis.spec
@@ -0,0 +1,229 @@
+%undefine       _ld_as_needed
+
+%if %{?__isa_bits:%{__isa_bits}}%{!?__isa_bits:32} == 64
+%global         arch64 1
+%else
+%global         arch64 0
+%endif
+
+Name:           metis
+Version:        5.1.0
+Release:        1
+Summary:        Serial Graph Partitioning and Fill-reducing Matrix Ordering
+License:        ASL 2.0 and BSD and LGPLv2+
+URL:            http://glaros.dtc.umn.edu/gkhome/views/%{name}
+Source0:        http://glaros.dtc.umn.edu/gkhome/fetch/sw/%{name}/%{name}-%{version}.tar.gz
+
+Patch0:         %{name}-libmetis.patch
+Patch1:         %{name}-shared-GKlib.patch
+Patch2:         %{name}-width-datatype.patch
+Patch3:         %{name}-GKREGEX-GKRAND-LIBSUFFIX-fix.patch
+Patch4:         %{name}_lib64.patch
+Patch5:         %{name}-pcre2.patch
+
+BuildRequires:  make cmake gcc gcc-c++ pcre2-devel help2man chrpath
+
+%description
+METIS is a set of serial programs for partitioning graphs, 
+partitioning finite element meshes, and producing fill reducing 
+orderings for sparse matrices. 
+The algorithms implemented in METIS are based on the multilevel 
+recursive-bisection, multilevel k-way, and multi-constraint 
+partitioning schemes developed in our lab.
+METIS is distributed with OpenMP support.
+
+
+%package        devel
+Summary:        METIS headers and development-related files
+Requires:       %{name}%{?_isa} = %{version}-%{release}
+
+%description    devel
+Header and library files of Metis.
+
+
+%if 0%{?arch64}
+%package        -n metis64
+Summary:        Serial Graph Partitioning and Fill-reducing Matrix Ordering (64bit INTEGER)
+
+%description    -n metis64
+METIS is a set of serial programs for partitioning graphs, 
+partitioning finite element meshes, and producing fill reducing 
+orderings for sparse matrices. 
+The algorithms implemented in METIS are based on the multilevel 
+recursive-bisection, multilevel k-way, and multi-constraint 
+partitioning schemes developed in our lab.
+METIS is distributed with OpenMP support.
+This build has 64bit INTEGER support.
+
+
+%package        -n metis64-devel
+Summary:        METIS development libraries (64bit INTEGER)
+Requires:       metis64%{?_isa} = %{version}-%{release}
+
+%description    -n metis64-devel
+Header and library files of Metis,
+OpenMP version (64bit INTEGER).
+%endif
+
+%prep
+%setup -qc 
+ 
+pushd %{name}-%{version}
+%patch0 -p0
+%patch1 -p0
+%patch3 -p0
+%patch5 -p0
+
+## Remove default compiler flag
+sed -e 's|-O3||g' -i GKlib/GKlibSystem.cmake
+popd
+
+%if 0%{?arch64}
+%{__cp} -a %{name}-%{version} metis64
+%endif
+
+
+%build
+PCRE_LDFLAGS="-lpcre2-posix"
+
+%cmake -S %{name}-%{version} -B %{name}-%{version}/build \
+    -DCMAKE_BUILD_TYPE:STRING=Release \
+    -DGKLIB_PATH=%{name}-%{version}/GKlib  \
+    -DSHARED:BOOL=TRUE \
+    -DOPENMP:BOOL=ON \
+    -DPCRE:BOOL=ON \
+    -DCMAKE_C_FLAGS:STRING="%{optflags} -pthread" \
+    -DCMAKE_SHARED_LINKER_FLAGS_RELEASE:STRING="%{__global_ldflags} $PCRE_LDFLAGS" \
+    -DCMAKE_EXE_LINKER_FLAGS_RELEASE:STRING="%{__global_ldflags} $PCRE_LDFLAGS" \
+    -DCMAKE_VERBOSE_MAKEFILE:BOOL=TRUE \
+    -DCMAKE_INSTALL_PREFIX:PATH=%{_prefix}
+
+%make_build -C %{name}-%{version}/build
+
+%if 0%{?arch64}
+cd metis64
+patch -p0 < %{PATCH2}
+patch -p0 < %{PATCH4}
+cd ..
+mkdir -p metis64/build64
+PCRE_LDFLAGS="-lpcre2-posix"
+
+%cmake -S metis64 -B metis64/build64 \
+    -DCMAKE_BUILD_TYPE:STRING=Release \
+    -DGKLIB_PATH=metis64/GKlib  \
+    -DSHARED:BOOL=TRUE \
+    -DOPENMP:BOOL=ON \
+    -DPCRE:BOOL=ON \
+    -DCMAKE_C_FLAGS:STRING="%{optflags} -pthread" \
+    -DCMAKE_SHARED_LINKER_FLAGS_RELEASE:STRING="%{__global_ldflags} $PCRE_LDFLAGS" \
+    -DCMAKE_EXE_LINKER_FLAGS_RELEASE:STRING="%{__global_ldflags} $PCRE_LDFLAGS" \
+    -DCMAKE_VERBOSE_MAKEFILE:BOOL=TRUE \
+    -DCMAKE_INSTALL_PREFIX:PATH=%{_prefix} ..
+
+%make_build -C metis64/build64
+%endif
+
+
+%install
+pushd %{name}-%{version}/build
+%make_install
+
+## Generate manpages from binaries
+LD_PRELOAD=%{buildroot}%{_libdir}/lib%{name}.so.0 \
+help2man --version-string="%{version}" -n "Partitions a graph into a specified number of parts." \
+    -N --output="gpmetis.1" --no-discard-stderr --help-option="-help" %{buildroot}%{_bindir}/gpmetis
+
+LD_PRELOAD=%{buildroot}%{_libdir}/lib%{name}.so.0 \
+help2man --version-string="%{version}" \
+    -n "Computes a fill-reducing ordering of the vertices of the graph using multilevel nested dissection." \
+    -N --output="ndmetis.1" --no-discard-stderr --help-option="-help" %{buildroot}%{_bindir}/ndmetis
+
+LD_PRELOAD=%{buildroot}%{_libdir}/lib%{name}.so.0 \
+help2man --version-string="%{version}" -n "Partitions a mesh into a specified number of parts." \
+    -N --output="mpmetis.1" --no-discard-stderr --help-option="-help" %{buildroot}%{_bindir}/mpmetis
+
+LD_PRELOAD=%{buildroot}%{_libdir}/lib%{name}.so.0 \
+help2man --version-string="%{version}" -n "Converts a mesh into a graph that is compatible with METIS." \
+    -N --output="m2gmetis.1" --no-discard-stderr -h "-help" %{buildroot}%{_bindir}/m2gmetis
+
+%{__mkdir_p} %{buildroot}%{_mandir}/man1
+%{__mv} *.1 %{buildroot}%{_mandir}/man1
+popd
+
+# Save metis.h with IDXTYPEWIDTH = 32
+%{__mv} %{buildroot}%{_includedir}/metis.h %{buildroot}%{_includedir}/metis32.h
+
+%if 0%{?arch64}
+pushd metis64/build64
+%make_install
+# Save metis.h with IDXTYPEWIDTH = 64
+%{__mv} %{buildroot}%{_includedir}/metis.h %{buildroot}%{_includedir}/metis64.h
+popd
+%endif
+
+# Save metis.h with IDXTYPEWIDTH = 32
+%{__mv} %{buildroot}%{_includedir}/metis32.h %{buildroot}%{_includedir}/metis.h
+
+## Remove rpaths
+chrpath -d %{buildroot}%{_bindir}/*
+
+
+%check
+%{__cp} -p %{buildroot}%{_bindir}/* %{name}-%{version}/graphs
+pushd %{name}-%{version}/graphs
+LD_LIBRARY_PATH=%{buildroot}%{_libdir}:$LD_LIBRARY_PATH ./ndmetis mdual.graph
+LD_LIBRARY_PATH=%{buildroot}%{_libdir}:$LD_LIBRARY_PATH ./mpmetis metis.mesh 2
+LD_LIBRARY_PATH=%{buildroot}%{_libdir}:$LD_LIBRARY_PATH ./gpmetis test.mgraph 4
+LD_LIBRARY_PATH=%{buildroot}%{_libdir}:$LD_LIBRARY_PATH ./gpmetis copter2.graph 4
+LD_LIBRARY_PATH=%{buildroot}%{_libdir}:$LD_LIBRARY_PATH ./graphchk 4elt.graph
+
+%if 0%{?arch64}
+LD_LIBRARY_PATH=%{buildroot}%{_libdir}:$LD_LIBRARY_PATH ./ndmetis64 mdual.graph
+LD_LIBRARY_PATH=%{buildroot}%{_libdir}:$LD_LIBRARY_PATH ./mpmetis64 metis.mesh 2
+LD_LIBRARY_PATH=%{buildroot}%{_libdir}:$LD_LIBRARY_PATH ./gpmetis64 test.mgraph 4
+LD_LIBRARY_PATH=%{buildroot}%{_libdir}:$LD_LIBRARY_PATH ./gpmetis64 copter2.graph 4
+LD_LIBRARY_PATH=%{buildroot}%{_libdir}:$LD_LIBRARY_PATH ./graphchk64 4elt.graph
+%endif
+popd
+
+
+%files
+%doc %{name}-%{version}/Changelog %{name}-%{version}/manual/manual.pdf
+%license %{name}-%{version}/LICENSE.txt
+%{_bindir}/cmpfillin
+%{_bindir}/gpmetis
+%{_bindir}/graphchk
+%{_bindir}/m2gmetis
+%{_bindir}/mpmetis
+%{_bindir}/ndmetis
+%{_mandir}/man1/*.1.gz
+%{_libdir}/lib%{name}.so.*
+
+
+%files devel
+%{_includedir}/%{name}.h
+%{_libdir}/lib%{name}.so
+
+
+%if 0%{?arch64}
+%files -n metis64
+%doc metis64/Changelog metis64/manual/manual.pdf
+%license metis64/LICENSE.txt
+%{_bindir}/cmpfillin64
+%{_bindir}/gpmetis64
+%{_bindir}/graphchk64
+%{_bindir}/m2gmetis64
+%{_bindir}/mpmetis64
+%{_bindir}/ndmetis64
+%{_libdir}/lib%{name}64.so.*
+
+
+%files -n metis64-devel
+%{_includedir}/%{name}64.h
+%{_libdir}/lib%{name}64.so
+%endif
+
+
+%changelog
+* Mon Dec 20 2021 herengui <herengui@uniontech.com> - 5.1.0-1
+- Initial package
\ No newline at end of file
diff --git a/metis_lib64.patch b/metis_lib64.patch
new file mode 100644
index 0000000..6c51a11
--- /dev/null
+++ b/metis_lib64.patch
@@ -0,0 +1,52 @@
+--- libmetis/CMakeLists.orig.txt	2016-02-16 19:06:56.480139000 +0100
++++ libmetis/CMakeLists.txt	2016-02-16 19:07:55.511134162 +0100
+@@ -3,14 +3,14 @@
+ # Find sources.
+ file(GLOB metis_sources *.c)
+ # Build libmetis.
+-add_library(metis ${METIS_LIBRARY_TYPE} ${GKlib_sources} ${metis_sources})
+-set_target_properties(metis PROPERTIES SOVERSION 0)
++add_library(metis64 ${METIS_LIBRARY_TYPE} ${GKlib_sources} ${metis_sources})
++set_target_properties(metis64 PROPERTIES SOVERSION 0)
+ if(UNIX)
+-  target_link_libraries(metis m)
++  target_link_libraries(metis64 m)
+ endif()
+ 
+ if(METIS_INSTALL)
+-  install(TARGETS metis
++  install(TARGETS metis64
+     LIBRARY DESTINATION lib${LIB_SUFFIX}
+     RUNTIME DESTINATION lib${LIB_SUFFIX}
+     ARCHIVE DESTINATION lib${LIB_SUFFIX})
+--- programs/CMakeLists.orig.txt	2013-03-30 17:24:45.000000000 +0100
++++ programs/CMakeLists.txt	2016-02-16 22:42:18.625946692 +0100
+@@ -2,19 +2,19 @@
+ include_directories(../libmetis)
+ link_directories(/home/karypis/local/lib)
+ # Build program.
+-add_executable(gpmetis gpmetis.c cmdline_gpmetis.c io.c stat.c)
+-add_executable(ndmetis ndmetis.c cmdline_ndmetis.c io.c smbfactor.c)
+-add_executable(mpmetis mpmetis.c cmdline_mpmetis.c io.c stat.c)
+-add_executable(m2gmetis m2gmetis.c cmdline_m2gmetis.c io.c)
+-add_executable(graphchk graphchk.c io.c)
+-add_executable(cmpfillin cmpfillin.c io.c smbfactor.c)
+-foreach(prog gpmetis ndmetis mpmetis m2gmetis graphchk cmpfillin)
+-  target_link_libraries(${prog} metis)
++add_executable(gpmetis64 gpmetis.c cmdline_gpmetis.c io.c stat.c)
++add_executable(ndmetis64 ndmetis.c cmdline_ndmetis.c io.c smbfactor.c)
++add_executable(mpmetis64 mpmetis.c cmdline_mpmetis.c io.c stat.c)
++add_executable(m2gmetis64 m2gmetis.c cmdline_m2gmetis.c io.c)
++add_executable(graphchk64 graphchk.c io.c)
++add_executable(cmpfillin64 cmpfillin.c io.c smbfactor.c)
++foreach(prog gpmetis64 ndmetis64 mpmetis64 m2gmetis64 graphchk64 cmpfillin64)
++  target_link_libraries(${prog} metis64)
+ #  target_link_libraries(${prog} metis profiler)
+ endforeach(prog)
+ 
+ if(METIS_INSTALL)
+-  install(TARGETS gpmetis ndmetis mpmetis m2gmetis graphchk cmpfillin
++  install(TARGETS gpmetis64 ndmetis64 mpmetis64 m2gmetis64 graphchk64 cmpfillin64
+     RUNTIME DESTINATION bin)
+ endif()
+