%define major %(echo %version |cut -d. -f1)
%define libname %mklibname %{name} %{major}
%define devname %mklibname %{name} -d

%if %{mdvver} <= 201610
%bcond_without clang
%else
%bcond_with clang
%endif

%if %{with clang}
%define debug_package %{nil}
%endif

%bcond_without git

Summary:	The LLVM Linker
Name:		lld
Version:	12.0.1
Release:	1
Group:		Development/Other
License:	NCSA
Url:		http://llvm.org
%if %{with git}
Source0:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}/%{name}-%{version}.src.tar.xz
%else
Source0:	http://releases.llvm.org/%{version}/%{name}-%{version}.src.tar.xz
%endif
Source1:	https://raw.githubusercontent.com/llvm/llvm-project/llvmorg-%{version}/libunwind/include/mach-o/compact_unwind_encoding.h
BuildRequires:	cmake
%if %{with clang}
BuildRequires:	clang
BuildRequires:	libcxx-devel
%endif
BuildRequires:	llvm-devel = %{version}
BuildRequires:	ncurses-devel
BuildRequires:	zlib-devel
Requires:	clang
Requires:	llvm
Requires:	llvm-plugins

%description
The LLVM project linker.

%files
%doc LICENSE.TXT
%{_bindir}/ld64.lld
%{_bindir}/ld64.lld.darwinnew
%{_bindir}/ld.lld
%{_bindir}/lld
%{_bindir}/lld-link
%{_bindir}/wasm-ld

#-------------------------------------------------------------------------

%package -n %{libname}
Summary:	LLD shared libraries
Group:		System/Libraries

%description -n %{libname}
Shared libraries for LLD.

%files -n %{libname}
%doc LICENSE.TXT
%{_libdir}/lib%{name}*.so.%{major}*

#-------------------------------------------------------------------------

%package -n %{devname}
Summary:	Libraries and header files for LLD
Group:		Development/Other
Requires:	%{libname} = %{EVRD}
Provides:	%{name}-devel = %{EVRD}

%description -n %{devname}
This package contains library and header files needed to develop new native
programs that use the LLD infrastructure.

%files -n %{devname}
%doc LICENSE.TXT
%{_includedir}/lld
%{_libdir}/liblld*.so
%{_libdir}/cmake/%{name}/

#-------------------------------------------------------------------------

%prep
%setup -qn %{name}-%{version}.src

mkdir include/mach-o
cp %{S:1} include/mach-o

%build
%if %{with clang}
%clang_gcc_wrapper
export CC=clang
export CXX=clang++
%endif

%cmake \
	-DLLVM_LINK_LLVM_DYLIB:BOOL=ON \
	-DLLVM_DYLIB_COMPONENTS="all" \
%ifarch x86_64
	-DLLVM_LIBDIR_SUFFIX=64
%else
	-DLLVM_LIBDIR_SUFFIX=
%endif

%make -s

%install
%makeinstall_std -C build

# we do not need
rm -fr %{buildroot}%{_includedir}/mach-o/compact_unwind_encoding.h