%define _source_payload w0.ufdio

%global debug_package %{nil}
%global system_build_flags 1

%global build_target() \
	export NINJA_STATUS="[%2:%f/%t] " ; \
	ninja -j %{_smp_build_ncpus} -C '%1' '%2'

Name:           cronet
Version:        129.0.6668.70
Release:        1%?dist
Summary:        Networking stack of Chromium as a library

License:        BSD-3-Clause
URL:            https://chromium.googlesource.com/chromium/src/+/HEAD/components/cronet/README.md
Source0:        https://commondatastorage.googleapis.com/chromium-browser-official/chromium-%{VERSION}.tar.xz

Patch0:         chromium-127-rust-clanglib.patch
Patch1:         fix-unknown-warning-option-messages.diff

BuildRequires:  %{__python3}
BuildRequires:  gn
BuildRequires:  ninja-build
BuildRequires:  clang
BuildRequires:  compiler-rt
BuildRequires:  lld
BuildRequires:  /usr/bin/llvm-ar

BuildRequires:  nspr-devel
BuildRequires:  nss-devel
BuildRequires:  rustc
BuildRequires:  cups-devel
BuildRequires:  dbus-devel
BuildRequires:  libxkbcommon-devel
BuildRequires:  libdrm-devel
BuildRequires:  mesa-libgbm-devel
BuildRequires:  mesa-libGL-devel
BuildRequires:  libatomic

%description
Networking stack of Chromium as a library


%package devel
Summary:       Development files for cronet
Requires:      %{name}%{?_isa} = %{version}-%{release}

%description devel
Development files for cronet


%prep
%autosetup -n chromium-%{VERSION} -p1


%build
FLAGS=' -Wno-deprecated-declarations -Wno-unknown-warning-option -Wno-unused-command-line-argument'
FLAGS+=' -Wno-unused-but-set-variable -Wno-unused-result -Wno-unused-function -Wno-unused-variable'
FLAGS+=' -Wno-unused-const-variable -Wno-unneeded-internal-declaration -Wno-unknown-attributes -Wno-unknown-pragmas'

%if %{system_build_flags}
CFLAGS=${CFLAGS/-fexceptions}
CFLAGS=${CFLAGS/-Wp,-D_GLIBCXX_ASSERTIONS}
CFLAGS="$CFLAGS $FLAGS"
CXXFLAGS="$CFLAGS"
%else
# override system build flags
CFLAGS="$FLAGS"
CXXFLAGS="$FLAGS"
%endif

LDFLAGS="$LDFLAGS -Wl,-z,pack-relative-relocs"
RUSTFLAGS=${RUSTFLAGS/--cap-lints/-Clink-arg=-Wl,-z,pack-relative-relocs --cap-lints}

export CC=clang
export CXX=clang++
export AR=llvm-ar
export NM=llvm-nm
export READELF=llvm-readelf

export CFLAGS
export CXXFLAGS
export LDFLAGS
export RUSTFLAGS

# chromium uses nightly features
export RUSTC_BOOTSTRAP=1

# set rustc version
rustc_version="$(rustc --version)"

# set clang version
clang_version="$(clang --version | sed -n 's/clang version //p' | cut -d. -f1)"
clang_base_path="$(clang --version | grep InstalledDir | cut -d' ' -f2 | sed 's#/bin##')"

gn_flags=('is_official_build=true')
gn_flags+=('target_os="linux"' 'current_os="linux"')

if [[ $(arch) == 'x86_64' ]]
then
    gn_flags+=('target_cpu="x64"')
elif [[ $(arch) == 'aarch64' ]]
then
    gn_flags+=('target_cpu="arm64"')
fi

gn_flags+=('is_clang=true'
           "clang_base_path=\"$clang_base_path\""
           "clang_version=\"$clang_version\""
           'clang_use_chrome_plugins=false'
           'use_lld=true'
           'is_cfi=false'
           'use_thin_lto=false'
           'chrome_pgo_phase=0'
           'symbol_level=0'
           'blink_symbol_level=0'
           'is_debug=false'
           'is_component_build=false'
          )

gn_flags+=('rust_sysroot_absolute="%{_prefix}"'
           'rustc_version="'$rustc_version'"'
          )

gn_flags+=('use_sysroot=false'
           'system_libdir="%{_libdir}"'
          )

gn_flags+=('dcheck_always_on=false'
           'dcheck_is_configurable=false'
           'use_allocator_shim=false'
           'enable_backup_ref_ptr_support=false'
           'enable_resource_allowlist_generation=false'
           'exclude_unwind_tables=true'
           'enable_trace_logging=false'
           'enable_base_tracing=true'
           'enable_mdns=false'
           'enable_nacl=false'
           'use_gio=false'
           'use_gtk=false'
           'use_glib=false'
           'use_udev=false'
           'use_pangocairo=false'
           'use_qt=false'
           'use_qt6=false'
           'use_libpci=false'
           'use_pulseaudio=false'
           'use_vaapi=false'
           'enable_ffmpeg_video_decoders=false'
           'media_use_libvpx=false'
           'media_use_ffmpeg=false'
          )

cp -af %{_bindir}/gn buildtools/linux64/gn
gn gen out/Release --args="${gn_flags[*]}"

%build_target out/Release cronet_package


%install
mkdir -p %{buildroot}%{_libdir}/pkgconfig
mkdir -p %{buildroot}%{_includedir}

mv out/Release/cronet/include %{buildroot}%{_includedir}/cronet
mv out/Release/cronet/libcronet.%{VERSION}.so %{buildroot}%{_libdir}
ln -s libcronet.%{VERSION}.so %{buildroot}%{_libdir}/libcronet.so

cat > %{buildroot}%{_libdir}/pkgconfig/cronet.pc <<- "EOF"
  prefix=%{_prefix}
  exec_prefix=%{_prefix}
  libdir=%{_libdir}
  includedir=%{_includedir}

  Name: cronet
  Description: Networking stack of Chromium as a library
  Version: %{VERSION}
  Libs: -L${libdir} -lcronet
EOF


%files
%license out/Release/cronet/LICENSE
%doc out/Release/cronet/{VERSION,AUTHORS}
%{_libdir}/libcronet.%{VERSION}.so


%files devel
%{_libdir}/libcronet.so
%{_libdir}/pkgconfig/cronet.pc
%{_includedir}/cronet


%changelog
%autochangelog