%global baserelease 1

Summary: Programming language for maintaining robust, optimal, and reusable software
Name: zig
Version: 0.7.1
Release: %{baserelease}
License: MIT and NCSA and LGPLv2+ and LGPLv2+ with exceptions and GPLv2+ and GPLv2+ with exceptions and BSD and Inner-Net and ISC and Public Domain and GFDL and ZPLv2.1
Group: Development/Languages
URL: https://github.com/ziglang/zig

Source: https://github.com/ziglang/zig/archive/%{version}.tar.gz

BuildRequires: gcc
BuildRequires: gcc-c++
BuildRequires: cmake
BuildRequires: llvm-devel
BuildRequires: clang-devel
BuildRequires: lld-devel
# for documentation generation
BuildRequires: help2man
# for testing
BuildRequires: elfutils-libelf-devel
BuildRequires: libstdc++-static

Requires: %{name}-libs = %{version}

# These packages are bundled as source

# NCSA
Provides: bundled(compiler-rt) = 11.0.0
#  LGPLv2+, LGPLv2+ with exceptions, GPLv2+, GPLv2+ with exceptions, BSD, Inner-Net, ISC, Public Domain and GFDL
Provides: bundled(glibc) = 2.31
# NCSA
Provides: bundled(libcxx) = 11.0.0
# NCSA
Provides: bundled(libcxxabi) = 11.0.0
# NCSA
Provides: bundled(libunwind) = 11.0.0
# BSD, LGPG, ZPL
Provides: bundled(mingw) = 8.0.0
# MIT
Provides: bundled(musl) = 1.2.1

# lld not available on that arch
ExcludeArch: s390x

# Not supported upstream, see https://github.com/ziglang/zig/issues/7686
ExcludeArch: ppc64le %{arm} %ix86

%description
Zig is an open-source programming language designed for robustness, optimality,
and clarity. This package provides the zig compiler and the associated runtime.

%package libs
Summary:        zig standard library
BuildArch:      noarch

%description libs
Standard Zig library

%package doc
Summary:        Documentation for %{name}
BuildArch:      noarch
Requires:       %{name} = %{version}

%description doc
Documentation for %{name}. For more information, visit %{url}

%prep
%autosetup -n zig-%{version} -p1

%build
%cmake \
    -DCMAKE_BUILD_TYPE=RelWithDebInfo \
    -DZIG_PREFER_CLANG_CPP_DYLIB=ON \
    -DZIG_VERSION:STRING="%{version}"

%cmake_build

# generate standard library documentation
%{__cmake_builddir}/zig build-exe doc/docgen.zig
./docgen %{__cmake_builddir}/zig doc/langref.html.in langref.html

# Zig has no official manpage, see https://github.com/ziglang/zig/issues/715
help2man --no-discard-stderr "%{__cmake_builddir}/zig" --version-option=version --output=%{name}.1

%install

%cmake_install

mkdir -p %{buildroot}/%{_mandir}/man1
install -m 0644 %{name}.1 %{buildroot}%{_mandir}/man1/

mkdir -p %{buildroot}/%{_pkgdocdir}
install -m 0644 langref.html %{buildroot}%{_pkgdocdir}/

%check

%{_vpath_builddir}/zig build test

%files 
%license LICENSE
%{_bindir}/%{name}
%{_mandir}/man1/%{name}.1.gz

%files libs
%{_prefix}/lib/%{name}

%files doc
%doc README.md
%doc %{_pkgdocdir}/langref.html

%changelog
* Tue Jan 5 2021 sguelton@redhat.com - 0.7.1-1
- Rebuild for Fedora

# Inspired by an original version from https://pagure.io/zig-spec/blob/fedora/f/zig.spec
# by Jan Drögehoff <sentrycraft123@gmail.com>