# Build only the clang-format tool out of LLVM/Clang, as a statically linked
# binary installed as /usr/bin/clang-format-22 (coexists with the distro clang).

Name:           clang-format-22
Version:        22.1.7
Release:        1%{?dist}
Summary:        Standalone, statically linked clang-format from LLVM 22

License:        Apache-2.0 WITH LLVM-exception
URL:            https://github.com/llvm/llvm-project
# Since LLVM 22 upstream no longer publishes per-project source tarballs
# (llvm-/clang-/cmake-*.src.tar.xz); only the monolithic tree is released.
Source0:        %{url}/releases/download/llvmorg-%{version}/llvm-project-%{version}.src.tar.xz

# A fully static binary carries no shared-library symbols, so there is no
# debuginfo to extract and no .so to ldconfig.
%define debug_package %{nil}

BuildRequires:  cmake >= 3.20.0
BuildRequires:  ninja-build
BuildRequires:  gcc
BuildRequires:  gcc-c++
BuildRequires:  make
BuildRequires:  python3
BuildRequires:  xz
# needed to link -static
BuildRequires:  glibc-static
BuildRequires:  libstdc++-static

%description
clang-format reformats C/C++/Java/JavaScript/JSON/Objective-C/Protobuf/C#
source according to a configurable style. This package provides the
clang-format tool from LLVM/Clang %{version}, built as a self-contained
statically linked executable named clang-format-22.

%prep
rm -rf llvm-project build
tar -xf %{SOURCE0}
mv llvm-project-%{version}.src llvm-project

%build
cmake -G Ninja -S llvm-project/llvm -B build \
    -DCMAKE_BUILD_TYPE=Release \
    -DLLVM_ENABLE_PROJECTS=clang \
    -DLLVM_TARGETS_TO_BUILD=X86 \
    -DBUILD_SHARED_LIBS=OFF \
    -DLLVM_BUILD_LLVM_DYLIB=OFF \
    -DLLVM_LINK_LLVM_DYLIB=OFF \
    -DLLVM_ENABLE_PIC=OFF \
    -DLLVM_BUILD_TOOLS=OFF \
    -DLLVM_INCLUDE_TESTS=OFF \
    -DLLVM_INCLUDE_EXAMPLES=OFF \
    -DLLVM_INCLUDE_BENCHMARKS=OFF \
    -DLLVM_ENABLE_ZLIB=OFF \
    -DLLVM_ENABLE_ZSTD=OFF \
    -DLLVM_ENABLE_LIBXML2=OFF \
    -DLLVM_ENABLE_LIBEDIT=OFF \
    -DCLANG_ENABLE_STATIC_ANALYZER=OFF \
    -DCLANG_ENABLE_ARCMT=OFF \
    -DCMAKE_EXE_LINKER_FLAGS="-static -static-libgcc -static-libstdc++"

cmake --build build --target clang-format

%install
install -D -m0755 build/bin/clang-format %{buildroot}%{_bindir}/clang-format-22
strip %{buildroot}%{_bindir}/clang-format-22

%check
# Confirm the produced binary is actually static and runs.
file %{buildroot}%{_bindir}/clang-format-22
%{buildroot}%{_bindir}/clang-format-22 --version

%files
%license llvm-project/llvm/LICENSE.TXT
%{_bindir}/clang-format-22

%changelog
* Sat Jun 06 2026 Yuki Yamaura <yamaura@pezy.co.jp> 22.1.7-1
- Initial package: standalone static clang-format from LLVM 22.1.7