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+Name:           llvm-bolt
+Version:        0
+Release:        0.20211016.gitb72f753
+Summary:        BOLT is a post-link optimizer developed to speed up large applications
+License:        Apache 2.0
+URL:            https://github.com/facebookincubator/BOLT
+Source0:        %{name}-%{version}.tar.xz
+
+BuildRequires:  gcc gcc-c++ cmake ninja-build libstdc++-static
+Requires:	glibc zlib ncurses-libs libstdc++ libgcc
+
+%description
+BOLT is a post-link optimizer developed to speed up large applications.
+It achieves the improvements by optimizing application's code layout based
+on execution profile gathered by sampling profiler, such as Linux perf tool.
+
+# skip debuginfo packages
+%global debug_package %{nil}
+
+%prep
+%setup -q
+mkdir -p _build
+cd _build
+%{__cmake} -G Ninja ../llvm -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=ON \
+    -DLLVM_ENABLE_PROJECTS="clang;lld;bolt" -DCMAKE_INSTALL_PREFIX=%{_usr} \
+%ifarch %ix86 x86_64
+    -DLLVM_TARGETS_TO_BUILD="X86"
+%endif
+%ifarch aarch64
+    -DLLVM_TARGETS_TO_BUILD="AArch64"
+%endif
+
+%build
+cd _build
+%{ninja_build}
+
+%install
+%{ninja_install} -C _build
+%global _bolt_install_dir %{_buildrootdir}/%{name}-%{version}-%{release}.%{_arch}/usr
+# remove extera llvm files.
+find %{_bolt_install_dir} ! -name "llvm-bolt" ! -name "merge-fdata" ! -name "perf2bolt" -type f,l -exec rm -f '{}' \;
+# remove static libs.
+rm -rf %{_buildrootdir}/root
+
+%files
+%license bolt/LICENSE.TXT
+%doc bolt/docs/*
+%exclude %{_includedir}/*
+%exclude %{_datadir}/*
+%exclude %{_builddir}/%{name}-%{version}/_build/*
+%attr(0755,root,root) %{_bindir}/llvm-bolt
+%attr(0755,root,root) %{_bindir}/merge-fdata
+%attr(-,root,root) %{_bindir}/perf2bolt
+
+%changelog
+* Mon Nov 29 2021 liyancheng <412998149@qq.com>
+- Type:Init
+- ID:NA
+- SUG:NA
+- DESC:Init llvm-bolt repository