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# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit cmake
DESCRIPTION="Neural network model for language identification"
HOMEPAGE="https://github.com/google/cld3"
MY_PV="b48dc46512566f5a2d41118c8c1116c4f96dc661"
SRC_URI="https://github.com/google/cld3/archive/${MY_PV}.tar.gz -> ${P}.tar.gz"
S="${WORKDIR}/${PN}-${MY_PV}"
LICENSE="Apache-2.0"
SLOT="0/${PV}"
KEYWORDS="amd64 ~loong"
RDEPEND="
dev-cpp/abseil-cpp:=
dev-libs/protobuf:=
"
DEPEND="${RDEPEND}"
src_prepare() {
# None of the added compiler flags make sense or are future-proof
sed -e '/add_definitions(/d' \
-i CMakeLists.txt || die
# Link with the right libraries for the tests
cat >> CMakeLists.txt <<- 'EOF' || die
target_link_libraries(cld3
protobuf-lite
absl_log_internal_check_op
absl_log_internal_message
)
EOF
# Let cmake actually know about the tests
cat >> CMakeLists.txt <<- 'EOF' || die
include(CTest)
add_test(NAME language_identifier_main COMMAND language_identifier_main)
add_test(NAME getonescriptspan_test COMMAND getonescriptspan_test)
add_test(NAME language_identifier_features_test COMMAND language_identifier_features_test)
EOF
# Install the library
cat >> CMakeLists.txt <<- 'EOF' || die
include(GNUInstallDirs)
install(TARGETS cld3)
install(FILES
src/base.h
src/casts.h
src/embedding_feature_extractor.h
src/embedding_network.h
src/embedding_network_params.h
src/feature_extractor.h
src/feature_types.h
src/float16.h
src/lang_id_nn_params.h
src/language_identifier_features.h
src/nnet_language_identifier.h
src/registry.h
src/sentence_features.h
src/task_context.h
src/task_context_params.h
src/utils.h
src/workspace.h
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/cld3")
install(FILES
src/script_span/generated_ulscript.h
src/script_span/getonescriptspan.h
src/script_span/integral_types.h
src/script_span/offsetmap.h
src/script_span/stringpiece.h
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/cld3/script_span")
install(FILES
"${CMAKE_CURRENT_BINARY_DIR}/cld_3/protos/feature_extractor.pb.h"
"${CMAKE_CURRENT_BINARY_DIR}/cld_3/protos/sentence.pb.h"
"${CMAKE_CURRENT_BINARY_DIR}/cld_3/protos/task_spec.pb.h"
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/cld3/cld_3/protos")
EOF
cmake_src_prepare
}
src_configure() {
local CXXSTD="17"
if has_version ">=dev-cpp/abseil-cpp-20260107.0"; then
# needs >=c++20
CXXSTD="20"
fi
local mycmakeargs=(
-DCMAKE_CXX_STANDARD="${CXXSTD}"
)
cmake_src_configure
}
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