# Tests are disabled as they require x86_64 libraries to run
%bcond tests 0

%global forgeurl0 https://github.com/ptitSeb/box64

%global forgeurl1 https://github.com/mstorsjo/llvm-mingw
%global forgever1 20250613
%global forgetag1 22.04

%global common_description %{expand:
Box64 lets you run x86_64 Linux programs (such as games) on non-x86_64 Linux
systems, like ARM (host system needs to be 64-bit little-endian).}

Name:           box64
Version:        0.4.0
Release:        2
Summary:        Linux userspace x86_64 emulator with a twist, targeted at ARM64

License:        MIT
URL:            https://box86.org
Source0:        %{forgeurl0}/archive/main/%{name}-main.tar.gz
Source1:        %{forgeurl1}/releases/download/%{forgever1}/llvm-mingw-%{forgever1}-ucrt-ubuntu-%{forgetag1}-aarch64.tar.xz

BuildRequires:  cmake
BuildRequires:  gcc
BuildRequires:  make
BuildRequires:  perl-podlators
BuildRequires:  systemd-rpm-macros

# box64 only supports these architectures
ExclusiveArch:  aarch64 riscv64 ppc64le %{x86_64}

Requires:       %{name}-data = %{version}-%{release}
# These should not be pulled in on x86_64 as they can cause a loop and prevent
# any binary from successfully executing (#2344770)
%ifnarch %{x86_64}
Recommends:     %{name}-binfmts = %{version}-%{release}
%endif
%ifarch aarch64
Requires(post): %{_sbindir}/update-alternatives
Requires(postun): %{_sbindir}/update-alternatives
%endif

%description    %{common_description}

%package        data
Summary:        Common files for %{name}
BuildArch:      noarch

%description    data %{common_description}

This package provides common data files for box64.

%ifnarch %{x86_64}
%package        binfmts
Summary:        binfmt_misc handler configurations for box64

%description    binfmts %{common_description}

This package provides binfmt_misc handler configurations to use box64 to
execute x86_64 binaries.

%package        wow
Summary:        A highly experimantal library containing wow64 for 32bits Windows applications

%description    wow %{common_description}

This package provides wowbox64 DLL which is used to run 32bits Windows
applications in a wine prefix.
%endif

%ifarch aarch64
%package        tegrax1
Summary:        %{summary}

Requires:       %{name}-data = %{version}-%{release}
Requires(post): %{_sbindir}/update-alternatives
Requires(postun): %{_sbindir}/update-alternatives

%description    tegrax1 %{common_description}

This package contains a version of box64 targeting Nvidia Tegra X1 systems.
%endif

%prep
%autosetup -p1 -n %{name}-main

# Remove prebuilt libraries
rm -r x64lib

# Fix encoding
sed -i 's/\r$//' docs/*.md

# Fix install paths
sed -i 's:/etc/binfmt.d:%{_binfmtdir}:g' CMakeLists.txt

tar xf %{SOURCE1} -C %{_buildrootdir}

%build
%global common_flags -DNOGIT=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBOX32=ON -DBOX32_BINFMT=ON
%ifarch aarch64
%global common_flags -DARM_DYNAREC=ON %{common_flags}

# Nvidia Tegra X1
%cmake %{common_flags} -DTEGRAX1=ON
%cmake_build
cp -p %{__cmake_builddir}/%{name} %{name}.tegrax1
rm -r %{__cmake_builddir}
%endif

%cmake %{common_flags} -DNO_LIB_INSTALL=ON \
%ifarch aarch64
  -DARM64=ON
%endif
%ifarch riscv64
  -DRV64=ON
%endif
%ifarch ppc64le
  -DPPC64LE=ON
%endif
%ifarch %{x86_64}
  -DLD80BITS=ON \
  -DNOALIGN=ON
%endif
%cmake_build

export CC=%{_buildrootdir}/llvm-mingw-%{forgever1}-ucrt-ubuntu-%{forgetag1}-aarch64/bin/clang
export CXX=%{_buildrootdir}/llvm-mingw-%{forgever1}-ucrt-ubuntu-%{forgetag1}-aarch64/bin/clang++
export PATH="%{_buildrootdir}/llvm-mingw-%{forgever1}-ucrt-ubuntu-%{forgetag1}-aarch64/bin/:$PATH"

# CFLAGS, CXXFLAGS and LDFLAGS need to be reset in order to compile wowbox64
export CFLAGS=
export CXXFLAGS=
export LDFLAGS=

# wow64
mkdir -p build
cd build
cmake -DARM_DYNAREC=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo -DWOW64=ON ..
make -j4 wowbox64
cd ..
cp build/wowbox64-prefix/src/wowbox64-build/wowbox64.dll .
rm -r build

# Build manpage
pod2man --stderr docs/%{name}.pod > docs/%{name}.1

%install
%ifarch %{x86_64}
# Install manually as cmake_install doesn't seem to work on x86_64
install -Dpm0755 -t %{buildroot}%{_bindir} %{__cmake_builddir}/%{name}
install -Ddpm0755 %{buildroot}%{_binfmtdir}
sed 's:${CMAKE_INSTALL_PREFIX}/bin/${BOX64}:%{_bindir}/%{name}:' \
  < system/box32.conf.cmake > system/box32.conf
sed 's:${CMAKE_INSTALL_PREFIX}/bin/${BOX64}:%{_bindir}/%{name}:' \
  < system/box64.conf.cmake > system/box64.conf
install -Dpm0644 -t %{buildroot}%{_sysconfdir} system/box64.box64rc
%else
%cmake_install
%endif

# Install manpage
install -Dpm0644 -t %{buildroot}%{_mandir}/man1 docs/%{name}.1

%ifarch aarch64
mv %{buildroot}%{_bindir}/%{name} %{buildroot}%{_bindir}/%{name}.aarch64
touch %{buildroot}%{_bindir}/%{name}
chmod +x %{buildroot}%{_bindir}/%{name}
install -Dpm0755 -t %{buildroot}%{_bindir} \
  %{name}.tegrax1

# Install wowbox64.dll to libdir
install -Dpm0755 -t %{buildroot}%{_datarootdir}/box64/ \
  wowbox64.dll

%post
%{_sbindir}/update-alternatives --install %{_bindir}/%{name} \
  %{name} %{_bindir}/%{name}.aarch64 20

%postun
if [ $1 -eq 0 ] ; then
  %{_sbindir}/update-alternatives --remove %{name} %{_bindir}/%{name}.aarch64
fi

%post tegrax1
%{_sbindir}/update-alternatives --install %{_bindir}/%{name} \
  %{name} %{_bindir}/%{name}.tegrax1 10

%postun tegrax1
if [ $1 -eq 0 ] ; then
  %{_sbindir}/update-alternatives --remove %{name} %{_bindir}/%{name}.tegrax1
fi
%endif

%if %{with tests}
%check
%ctest
%endif

%files
%ifarch aarch64
%ghost %{_bindir}/%{name}
%{_bindir}/%{name}.aarch64
%else
%{_bindir}/%{name}
%endif

%ifarch aarch64
%files tegrax1
%ghost %{_bindir}/%{name}
%{_bindir}/%{name}.tegrax1
%endif

%files data
%license LICENSE
%doc README.md
%doc %lang(cn) README_CN.md
%doc %lang(uk) README_UK.md
%doc docs/*.md docs/img
%{_mandir}/man1/box64.1*
%config(noreplace) %{_sysconfdir}/box64.box64rc

%ifnarch %{x86_64}
%files binfmts
%{_binfmtdir}/box32.conf
%{_binfmtdir}/box64.conf

%files wow
%{_datarootdir}/box64/wowbox64.dll
%endif

%changelog
%autochangelog