#%%global rc_ver 5
%global libomp_srcdir openmp-%{version}%{?rc_ver:rc%{rc_ver}}.src


%ifarch ppc64le
%global libomp_arch ppc64
%else
%global libomp_arch %{_arch}
%endif

Name: libomp
Version: 12.0.1%{?rc_ver:~rc%{rc_ver}}
Release: 1%{?dist}
Summary: OpenMP runtime for clang

License: NCSA
URL: http://openmp.llvm.org
Source0: https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}%{?rc_ver:-rc%{rc_ver}}/%{libomp_srcdir}.tar.xz
Source1: https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}%{?rc_ver:-rc%{rc_ver}}/%{libomp_srcdir}.tar.xz.sig
Source2: tstellar-gpg-key.asc
Source3: run-lit-tests
Source4: lit.fedora.cfg.py

Patch0: 0001-PATCH-openmp-CMake-Make-LIBOMP_HEADERS_INSTALL_PATH-.patch

BuildRequires: gcc
BuildRequires: gcc-c++
BuildRequires: cmake
BuildRequires: ninja-build
BuildRequires: elfutils-libelf-devel
BuildRequires: perl
BuildRequires: perl-Data-Dumper
BuildRequires: perl-Encode
BuildRequires: libffi-devel

Requires: elfutils-libelf%{?isa}

# libomp does not support s390x.
ExcludeArch: s390x

%description
OpenMP runtime for clang.

%package devel
Summary: OpenMP header files
Requires: clang-resource-filesystem%{?isa} = %{version}

%description devel
OpenMP header files.

%package test
Summary: OpenMP regression tests
Requires: %{name}%{?isa} = %{version}-%{release}
Requires: %{name}-devel%{?isa} = %{version}-%{release}
Requires: clang
Requires: llvm
Requires: gcc
Requires: gcc-c++
Requires: python3-lit

%description test
OpenMP regression tests

%prep
%autosetup -n %{libomp_srcdir} -p2

%build
# LTO causes build failures in this package.  Disable LTO for now
%define _lto_cflags %{nil}

mkdir -p %{_vpath_builddir}
cd %{_vpath_builddir}

%cmake ..  -GNinja \
	-DLIBOMP_INSTALL_ALIASES=OFF \
	-DLIBOMP_HEADERS_INSTALL_PATH:PATH=%{_libdir}/clang/%{version}/include \
%if 0%{?__isa_bits} == 64
	-DOPENMP_LIBDIR_SUFFIX=64 \
%else
	-DOPENMP_LIBDIR_SUFFIX= \
%endif

%cmake_build


%install
cd %{_vpath_builddir}
%cmake_install

# Test package setup
%global libomp_srcdir %{_datadir}/libomp/src/
%global libomp_testdir %{libomp_srcdir}/runtime/test/
%global lit_cfg %{libomp_testdir}/%{_arch}.site.cfg.py
%global lit_fedora_cfg %{_datadir}/libomp/lit.fedora.cfg.py

install -d %{buildroot}%{libomp_srcdir}/runtime
cp -R runtime/test  %{buildroot}%{libomp_srcdir}/runtime
cp -R runtime/src  %{buildroot}%{libomp_srcdir}/runtime

# Generate lit config files.  Strip off the last line that initiates the
# test run, so we can customize the configuration.
head -n -1 runtime/test/lit.site.cfg >> %{buildroot}%{lit_cfg}

# Install custom fedora config file
cp %{SOURCE4} %{buildroot}%{lit_fedora_cfg}

# Patch lit config files to load custom fedora config
echo "lit_config.load_config(config, '%{lit_fedora_cfg}')" >> %{buildroot}%{lit_cfg}

# Install test script
install -d %{buildroot}%{_libexecdir}/tests/libomp
install -m 0755 %{SOURCE3} %{buildroot}%{_libexecdir}/tests/libomp

# Remove static libraries with equivalent shared libraries
rm -rf %{buildroot}%{_libdir}/libarcher_static.a

%check
cd %{_vpath_builddir}
%cmake_build --target check-openmp

%files
%license LICENSE.txt
%{_libdir}/libomp.so
%ifnarch %{arm}
%{_libdir}/libarcher.so
%endif

%files devel
%{_libdir}/clang/%{version}/include/omp.h
%ifnarch %{arm}
%{_libdir}/clang/%{version}/include/omp-tools.h
%{_libdir}/clang/%{version}/include/ompt.h
# FIXME: This is probably wrong.  Seems like LIBOMP_HEADERS_INSTALL may
# not be respected.
%{_includedir}/ompt-multiplex.h
%endif

%files test
%{_datadir}/libomp
%{_libexecdir}/tests/libomp/

%changelog
* Fri Jul 16 2021 sguelton@redhat.com - 12.0.1-1
- 12.0.1 release

* Thu May 6 2021 sguelton@redhat.com - 12.0.0-1
- 12.0.0 release

* Thu Oct 29 2020 sguelton@redhat.com - 11.0.0-1
- 11.0.0 final release

* Mon Sep 21 2020 sguelton@redhat.com - 11.0.0-0.1.rc2
- 11.0.0-rc2 Release

* Fri Jul 24 2020 sguelton@redhat.com - 10.0.1-1
- 10.0.1 final

* Mon Jun 15 2020 sguelton@redhat.com - 10.0.0-2
- Better dependency specification, see rhbz#1841180

* Thu Apr 9 2020 sguelton@redhat.com - 10.0.0-1
- 10.0.0 final

* Thu Dec 19 2019 Tom Stellard <tstellar@redhat.com> - 9.0.1-1
- 9.0.1 Release

* Fri Sep 27 2019 Tom Stellard <tstellar@redhat.com> - 9.0.0-1
- 9.0.0 Release

* Thu Aug 1 2019 sguelton@redhat.com - 8.0.1-1
- 8.0.1 release

* Thu Jun 13 2019 sguelton@redhat.com - 8.0.1-0.1.rc2
- 8.0.1rc2 Release

* Mon Apr 29 2019 sguelton@redhat.com - 8.0.0-1
- 8.0.0 Release

* Fri Dec 14 2018 Tom Stellard <tstellar@redhat.com> - 7.0.1-1
- 7.0.1 Release

* Wed Dec 12 2018 Tom Stellard <tstellar@redhat.com> - 7.0.1-0.2.rc3
- Fix test failures on single-core systems

* Mon Dec 10 2018 Tom Stellard <tstellar@redhat.com> - 7.0.1-0.1.rc3
- 7.0.1-rc3 Release

* Tue Nov 27 2018 Tom Stellard <tstellar@redhat.com> - 7.0.0-1
- 7.0.0 Release

* Sat Nov 10 2018 Tom Stellard <tstellar@redhat.com> - 6.0.1-3
- Don't build libomp-test on i686

* Mon Oct 01 2018 Tom Stellard <tstellar@redhat.com> - 6.0.1-2
- Drop scl macros

* Wed Jul 11 2018 Tom Stellard <tstellar@redhat.com> - 6.0.1-1
- 6.0.1 Release

* Mon Jan 15 2018 Tom Stellard <tstellar@redhat.com> - 5.0.1-2
- Drop ExcludeArch: ppc64

* Thu Dec 21 2017 Tom Stellard <tstellar@redhat.com> - 5.0.1-1
- 5.0.1 Release.

* Wed Jun 21 2017 Tom Stellard <tstellar@redhat.com> - 4.0.1-1
- 4.0.1 Release.

* Wed Jun 07 2017 Tom Stellard <tstellar@redhat.com> - 4.0.0-3
- Rename libopenmp->libomp

* Fri May 26 2017 Tom Stellard <tstellar@redhat.com> - 4.0.0-2
- Disable build on s390x

* Mon May 15 2017 Tom Stellard <tstellar@redhat.com> - 4.0.0-1
- Initial version.