%global cclang_commit_id 6257ffe137a2c8df95a3f3b39fa477aa8ed15837
%global spirv_llvm_commit_id 8ce6443ec1020183eafaeb3410c7d1edc2355dc3
%global llvm_commit_id release_70
%global clang_commit_id release_70
%global package_version 7.0.65
%global package_release 2.staging

Name:       intel-opencl-clang
Version:    %{package_version}
Release:    %{package_release}%{?dist}
Summary:    Intel(R) OpenCL(TM) Clang

Group:      System Environment/Libraries
License:    MIT
URL:        https://github.com/intel/opencl-clang
Source0:    https://github.com/intel/opencl-clang/archive/%{cclang_commit_id}/intel-opencl-clang.tar.gz
Source1:    https://github.com/KhronosGroup/SPIRV-LLVM-Translator/archive/%{spirv_llvm_commit_id}/spirv-llvm-translator.tar.gz
Source2:    https://github.com/llvm-mirror/llvm/archive/%{llvm_commit_id}/llvm-70.tar.gz
Source3:    https://github.com/llvm-mirror/clang/archive/%{clang_commit_id}/clang-70.tar.gz

BuildRequires: git

%if 0%{?el7}
BuildRequires: centos-release-scl epel-release 
BuildRequires: gcc-c++ make patch devtoolset-6-gcc-c++ cmake3 ninja-build
%else
BuildRequires: cmake clang gcc-c++ make patch
BuildRequires: llvm-devel >= 7.0.0
BuildRequires: clang-devel >= 7.0.0
%endif

%if 0%{?el7}
%define _unpackaged_files_terminate_build 0
%endif

%description
Common clang is a thin wrapper library around clang. Common clang has OpenCL-oriented API and is capable to compile OpenCL C kernels to SPIR-V modules.


%package        devel
Summary:        Development files Intel(R) OpenCL(TM) Clang
Requires:       %{name} = %{version}-%{release}

%description devel


%clean
echo "==== CLEAN ===="


%prep
echo "==== PREP ===="
%if 0%{?el7}
mkdir src
tar xzf $RPM_SOURCE_DIR/llvm-70.tar.gz -C src --strip-components=1

cd src/tools
mkdir clang
tar xzf $RPM_SOURCE_DIR/clang-70.tar.gz -C clang --strip-components=1

cd ../projects/
mkdir opencl-clang llvm-spirv
tar xzf $RPM_SOURCE_DIR/intel-opencl-clang.tar.gz -C opencl-clang --strip-components=1
tar xzf $RPM_SOURCE_DIR/spirv-llvm-translator.tar.gz -C llvm-spirv --strip-components=1

%else

mkdir opencl-clang spirv-llvm 
tar xzf $RPM_SOURCE_DIR/intel-opencl-clang.tar.gz -C opencl-clang --strip-components=1
tar xzf $RPM_SOURCE_DIR/spirv-llvm-translator.tar.gz -C spirv-llvm --strip-components=1

%endif

%build
echo "==== BUILD ===="

%if 0%{?el7}
mkdir build_cc

echo building for el7: %{el7}

pushd build_cc
scl enable devtoolset-6 "cmake3 ../src/ -DCMAKE_BUILD_TYPE=Release -DLLVM_TARGETS_TO_BUILD=X86 -DCOMMON_CLANG_LIBRARY_NAME=opencl-clang -DCMAKE_INSTALL_PREFIX=/usr"
scl enable devtoolset-6 "make opencl-clang -j8 install DESTDIR=../inst_cc"
popd

find inst_cc

%else

mkdir build_cc build_s

echo building for %{dist}
pushd build_s
cmake ../spirv-llvm/ -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS="-fPIC" -DCMAKE_INSTALL_PREFIX=/usr
make -j8 install DESTDIR=../inst_s
popd

pushd build_cc
cmake ../opencl-clang/ -DCMAKE_BUILD_TYPE=Release -DCOMMON_CLANG_LIBRARY_NAME="opencl-clang" -DLLVMSPIRV_INCLUDED_IN_LLVM=OFF -DSPIRV_TRANSLATOR_DIR=../inst_s/usr/ -DCMAKE_INSTALL_PREFIX=/usr
make -j8 install DESTDIR=../inst_cc
popd

%endif

%install
echo "==== INSTALL ===="
cd build_cc
make install DESTDIR=$RPM_BUILD_ROOT


%files

%if 0%{?el7}
/usr/lib/libopencl-clang.so.7.1
/usr/lib/libopencl-clang.so.7.1.0
%else
/usr/lib64/libopencl-clang.so.7
%endif

%files devel

%if 0%{?el7}
/usr/lib/libopencl-clang.so
%else
/usr/lib64/libopencl-clang.so
%endif
/usr/include/cclang/common_clang.h

%doc


%changelog