diff --git a/bzip2-1.0.8-toolchain-variable.patch b/bzip2-1.0.8-toolchain-variable.patch
new file mode 100644
index 0000000000000000000000000000000000000000..4d86fe49ddc62bcd667b1e7ab644136cce82a886
--- /dev/null
+++ b/bzip2-1.0.8-toolchain-variable.patch
@@ -0,0 +1,26 @@
+--- bzip2-1.0.8/Makefile.orig	2024-08-11 20:50:17.297655600 +0800
++++ bzip2-1.0.8/Makefile	2024-08-11 20:51:08.955480100 +0800
+@@ -15,9 +15,9 @@
+ SHELL=/bin/sh
+ 
+ # To assist in cross-compiling
+-CC=gcc
+-AR=ar
+-RANLIB=ranlib
++CC ?=gcc
++AR ?= ar
++RANLIB ?= ranlib
+ 
+ # Where you want it installed when you do 'make install'
+ PREFIX=/usr/local
+--- bzip2-1.0.8/Makefile-libbz2_so.orig	2024-08-11 20:56:12.124391600 +0800
++++ bzip2-1.0.8/Makefile-libbz2_so	2024-08-11 20:57:53.109240100 +0800
+@@ -22,7 +22,7 @@
+ 
+ 
+ SHELL=/bin/sh
+-CC=gcc
++CC ?= gcc
+ BIGFILES=-D_FILE_OFFSET_BITS=64
+ 
+ OBJS= blocksort.o  \
diff --git a/bzip2.spec b/bzip2.spec
index 2a6cbe52624f8c8abd5e7068df1a7b2f02b10d73..5d25669f3800a7b65f09d9beb573ecfee5f9c6bd 100644
--- a/bzip2.spec
+++ b/bzip2.spec
@@ -1,9 +1,9 @@
 Name:		bzip2
 Version:	1.0.8
-Release:	6
+Release:	7
 Summary:	A high-quality data compressor
 
-License:	BSD
+License:	BSD-4-Clause
 URL:		https://www.sourceware.org/bzip2/
 Source0:	https://sourceware.org/pub/bzip2/%{name}-%{version}.tar.gz
 Source1:	bzip2.pc
@@ -11,11 +11,12 @@ Source1:	bzip2.pc
 Patch0:		0001-add-compile-option.patch
 Patch1:		0002-CVE-2019-12900.patch
 Patch2:		0003-license-and-version-print-should-output-to-stdout-and-exit-with-code-0.patch
+Patch3:		bzip2-1.0.8-toolchain-variable.patch
 
-BuildRequires:	gcc 
+BuildRequires:	gcc
 
-Provides:       bzip2-libs
-Obsoletes:      bzip2-libs
+Provides:       bzip2-libs = %{version}-%{release}
+Obsoletes:      bzip2-libs < %{version}-%{release}
 
 %description
 bzip2 is a freely available, patent free, high-quality data compressor.
@@ -26,8 +27,8 @@ around twice as fast at compression and six times faster at decompression.
 %package	devel
 Summary:	header files for bzip2
 Requires:	%{name} = %{version}-%{release}
-Provides:       bzip2-static
-Obsoletes:      bzip2-static
+Provides:       bzip2-static = %{version}-%{release}
+Obsoletes:      bzip2-static < %{version}-%{release}
 
 %description	devel
 header files for bzip2
@@ -38,11 +39,12 @@ header files for bzip2
 %autosetup -n %{name}-%{version} -p1
 
 %build
-%make_build -f Makefile-libbz2_so "CFLAGS=%{optflags} -Winline -fpic -fPIC -D_FILE_OFFSET_BITS=64"
-%make_build "CFLAGS=%{optflags} -fpic -fPIC -Winline -D_FILE_OFFSET_BITS=64"
+export CFLAGS="%{build_cflags} -Winline -fpic -fPIC -D_FILE_OFFSET_BITS=64"
+%set_build_flags
+%make_build -f Makefile-libbz2_so
+%make_build
 
 %install
-rm -rf %RPM_BUILD_ROOT
 %make_install PREFIX=%{buildroot}%{_prefix}
 
 # Default install path is /usr/bin lib man, change dest dirs here.
@@ -59,28 +61,24 @@ ln -fs bzmore %{buildroot}%{_bindir}/bzless
 install -m 0755 libbz2.so.%{version}  %{buildroot}%{_libdir}
 ln -s libbz2.so.%{version} %{buildroot}%{_libdir}/libbz2.so.1
 ln -s libbz2.so.1 %{buildroot}%{_libdir}/libbz2.so
-cp %{SOURCE1} .
+cp %{S:1} .
 sed -i "s@^libdir=@libdir=%{_libdir}@" bzip2.pc
 mkdir -p %{buildroot}%{_libdir}/pkgconfig
 install -m 0644 bzip2.pc %{buildroot}%{_libdir}/pkgconfig/
-ln -s bzip2.1.gz %{buildroot}%{_mandir}/man1/bunzip2.1.gz
-ln -s bzip2.1.gz %{buildroot}%{_mandir}/man1/bzcat.1.gz
-ln -s bzip2.1.gz %{buildroot}%{_mandir}/man1/bzip2recover.1.gz
+ln -s bzip2.1 %{buildroot}%{_mandir}/man1/bunzip2.1
+ln -s bzip2.1 %{buildroot}%{_mandir}/man1/bzcat.1
+ln -s bzip2.1 %{buildroot}%{_mandir}/man1/bzip2recover.1
 
 %check
-make check
-
-%ldconfig_scriptlets
+%make_build check
 
 %files
-%defattr(-,root,root)
-%doc CHANGES LICENSE README
+%doc CHANGES README
 %license LICENSE
 %{_bindir}/*
 %{_libdir}/*.so.*
 
 %files devel
-%defattr(-,root,root)
 %{_includedir}/bzlib.h
 %{_libdir}/*.so
 %{_libdir}/pkgconfig/
@@ -88,9 +86,13 @@ make check
 
 %files help
 %doc manual.html manual.pdf
-%{_mandir}/man1/b*.1.gz
+%{_mandir}/man1/*
 
 %changelog
+* Mon Feb 24 2025 yixiangzhike <yixiangzhike007@163.com> - 1.0.8-7
+- cleanup spec
+- merge clang and gcc declaration
+
 * Mon Oct 31 2022 yanglongkang <yanglongkang@h-partners.com> - 1.0.8-6
 - license and version print should output to stdout and exit with code