File libclc.spec of Package libclc

Name:           libclc
Version:        21.1.6
Release:        %mkrel 1
Summary:        OpenCL C library for LLVM
License:        MIT
Group:          System/Libraries
URL:            http://libclc.llvm.org/
Source0:        llvm-project-%{version}.src.tar.xz

BuildRequires:  cmake
BuildRequires:  ninja
BuildRequires:  python3
BuildRequires:  llvm21-devel
BuildRequires:  clang21-devel

%description
libclc is an implementation of the OpenCL C standard library as a set of
LLVM bitcode files. It provides built-in functions and math routines for
OpenCL kernels, used by Mesa’s Clover and Rusticl runtimes.

%prep
%setup -q -n llvm-project-%{version}.src

%build
mkdir builddir && cd builddir
cmake ../libclc -G Ninja \
    -DCMAKE_BUILD_TYPE=Release \
    -DLLVM_CONFIG=%{_bindir}/llvm-config \
    -DCLANG=%{_bindir}/clang \
    -DLLVM_TABLEGEN=%{_bindir}/llvm-tblgen \
    -DCLANG_TABLEGEN=%{_bindir}/clang-tblgen \
    -DCMAKE_INSTALL_PREFIX=%{_prefix}
ninja

%install
cd builddir
DESTDIR=%{buildroot} ninja install

# Runtime package
%files
%license libclc/LICENSE.TXT
%doc libclc/README.md
%{_datadir}/clc/*.bc

# Development package
%package devel
Summary:        Development files for libclc
Group:          Development/Libraries
Requires:       libclc = %{version}-%{release}

%description devel
Development files for libclc, including pkg-config metadata needed to build
applications against libclc.

%files devel
%{_datadir}/pkgconfig/libclc.pc

%changelog
* Thu Dec 04 2025 Henrik <henrik@example.com> - 21.1.6-1
- Build against llvm21/clang21
- Added explicit LLVM_TABLEGEN and CLANG_TABLEGEN flags
- Split into libclc and libclc-devel subpackages