%global commit 8c386c94749a78392fd763f8449ca3e55f030ffd
%global shortcommit %(c=%{commit}; echo ${c:0:9})

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

Name: libomp
Version: 12.0.0
Release: 0.17.git%{shortcommit}%{?dist}
Summary: OpenMP runtime for clang

License: NCSA
URL: http://openmp.llvm.org	
Source0: openmp-%{shortcommit}.tar.xz

Source1: run-lit-tests
Source2: lit.fedora.cfg.py

Patch0: 0001-CMake-Make-LIBOMP_HEADERS_INSTALL_PATH-a-cache-varia.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

# For gpg source verification
BuildRequires:	gnupg2

Requires: elfutils-libelf%{?isa}

# libomp does not support s390x.
ExcludeArch: s390x

%description
OpenMP runtime for clang.

%package devel
Summary: OpenMP header files
Requires: clang-devel%{?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 openmp-%{shortcommit} -p1

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

%cmake  -B "%{_vpath_builddir}" \
	-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

%ninja_build -C "%{_vpath_builddir}"

%install
%ninja_install -C "%{_vpath_builddir}"


# 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 %{_vpath_builddir}/runtime/test/lit.site.cfg >> %{buildroot}%{lit_cfg}

# Install custom fedora config file
cp %{SOURCE2} %{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 %{SOURCE1} %{buildroot}%{_libexecdir}/tests/libomp

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

%check
%ninja_build  -C "%{_vpath_builddir}" check-openmp

%files
%license LICENSE.txt
%{_libdir}/libomp.so
%{_libdir}/libomptarget.so
%ifnarch %{arm}
%{_libdir}/libarcher.so
%endif
%ifnarch %{arm} %{ix86}
%{_libdir}/libomptarget.rtl.%{libomp_arch}.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