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# Copyright 2008-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
JAVA_PKG_IUSE="doc source test"
JAVA_TESTING_FRAMEWORKS="junit-4"
MAVEN_ID="com.google.protobuf:protobuf-java:${PV}"
inherit cmake java-pkg-2 java-pkg-simple
DESCRIPTION="Core Protocol Buffers library"
HOMEPAGE="https://protobuf.dev"
MY_PV4="${PV#4.}"
MY_PV="${MY_PV4/_rc/-rc}"
MY_P="protobuf-${MY_PV}.tar.gz"
SRC_URI="https://github.com/protocolbuffers/protobuf/releases/download/v${MY_PV}/${MY_P}"
S="${WORKDIR}/protobuf-${MY_PV}"
LICENSE="BSD"
SLOT="0"
KEYWORDS="amd64"
IUSE="system-protoc"
BDEPEND="
system-protoc? ( ~dev-libs/protobuf-${MY_PV4}:0[protoc] )
!system-protoc? ( >=dev-cpp/abseil-cpp-20250512.1:= )
"
DEPEND="
>=virtual/jdk-1.8:*
test? (
>=dev-java/guava-33.5.0:0
dev-java/mockito:4
>=dev-java/snakeyaml-2.5:0
>=dev-java/testparameterinjector-1.19:0
dev-java/truth:0
)
"
RDEPEND=">=virtual/jre-1.8:*"
JAVA_AUTOMATIC_MODULE_NAME="com.google.protobuf"
JAVA_JAR_FILENAME="protobuf.jar"
JAVA_RESOURCE_DIRS="java/core/src/main/resources"
JAVA_SRC_DIR="java/core/src/main/java"
JAVA_TEST_GENTOO_CLASSPATH="guava,junit-4,mockito-4,snakeyaml"
JAVA_TEST_RESOURCE_DIRS="java/core/src/main/resources"
JAVA_TEST_SRC_DIR="java/core/src/test/java"
run-protoc() {
if use system-protoc; then
protoc "$1"
else
"${BUILD_DIR}/protoc" "$1"
fi
}
src_prepare() {
# If the corrsponding version of system-protoc is not available we build protoc locally
if ! use system-protoc; then
cmake_src_prepare
fi
java-pkg-2_src_prepare
# ${S}/java/core/generate-sources-build.xml
einfo "Replace variables in generate-sources-build.xml"
sed \
-e 's:${generated.sources.dir}:java/core/src/main/java:' \
-e 's:${protobuf.java_source.dir}:java/core/src/main/resources:' \
-e 's:${protobuf.source.dir}:src:' \
-e 's:^.*value="::' -e 's:\"/>::' \
-e '/project\|echo\|mkdir\|exec/d' \
-i java/core/generate-sources-build.xml || die "sed to sources failed"
# ${S}/java/core/generate-test-sources-build.xml
einfo "Replace variables in generate-test-sources-build.xml"
sed \
-e 's:${generated.testsources.dir}:java/core/src/test/java:' \
-e 's:${protobuf.source.dir}:src:' \
-e 's:${test.proto.dir}:java/core/src/test/proto:' \
-e 's:^.*value="::' -e 's:\"/>::' \
-e '/project\|mkdir\|exec\|Also generate/d' \
-i java/core/generate-test-sources-build.xml || die "sed to test sources failed"
# Split the file in two parts, one for each run-protoc call
awk '/--java_out/{x="test-sources-build-"++i;}{print > x;}' \
java/core/generate-test-sources-build.xml || die
# We add some *.proto files to the 'test-sources-build-1' file which
# are needed to avoid compilation errors on related test classes.
cat <<-EOF >> test-sources-build-1 || die "append test-sources-build-1"
src/google/protobuf/edition_unittest.proto
src/google/protobuf/unittest_delimited.proto
src/google/protobuf/unittest_delimited_import.proto
src/google/protobuf/unittest_import_option.proto
java/core/src/test/proto/com/google/protobuf/large_open_enum.proto
java/core/src/test/proto/com/google/protobuf/generator_names_edition2024_defaults.proto
EOF
}
src_configure() {
local mycmakeargs=(
-Dprotobuf_BUILD_TESTS=OFF
-Dprotobuf_LOCAL_DEPENDENCIES_ONLY=ON
)
if ! use system-protoc; then
cmake_src_configure
fi
}
src_compile() {
if ! use system-protoc; then
cmake_src_compile
fi
einfo "Run protoc to generate sources"
run-protoc @java/core/generate-sources-build.xml \
|| die "protoc sources failed"
java-pkg-simple_src_compile
}
src_test() {
# Note: Annotation processing is enabled because one or more processors were found
# on the class path. A future release of javac may disable annotation processing
# unless at least one processor is specified by name (-processor), or a search
# path is specified (--processor-path, --processor-module-path), or annotation
# processing is enabled explicitly (-proc:only, -proc:full).
JAVA_GENTOO_CLASSPATH_EXTRA+=":$(java-pkg_getjars --build-only testparameterinjector,truth)"
# java/core/src/test/java/com/google/protobuf/GeneratorNamesTest.java:33: error: cannot find symbol
# GeneratorNamesPre2024Defaults.getDescriptor(), GeneratorNamesPre2024Defaults.class),
# ^
# symbol: class GeneratorNamesPre2024Defaults
# location: class FileClassProvider
rm java/core/src/test/java/com/google/protobuf/GeneratorNamesTest.java || die "remove test"
einfo "Running protoc on first part of generate-test-sources-build.xml"
# java/core/src/test/proto/com/google/protobuf/test_check_utf8.proto:15:1:
# Import "google/protobuf/java_features.proto" was not found or had errors.
cp {java/core/src/main/resources,src}/google/protobuf/java_features.proto || die
run-protoc @test-sources-build-1 \
|| die "run-protoc test-sources-build-1 failed"
einfo "Running protoc on second part of generate-test-sources-build.xml"
run-protoc @test-sources-build-2 \
|| die "run-protoc test-sources-build-2 failed"
einfo "Running tests"
# Invalid test class 'map_test.MapInitializationOrderTest':
# 1. Test class should have exactly one public constructor
# Invalid test class 'proto2_unittest.CachedFieldSizeTest':
# 1. Test class should have exactly one public constructor
local JAVA_TEST_RUN_ONLY=$(find "${JAVA_TEST_SRC_DIR}" \
-path "**/*Test.java" \
! -path "**/Abstract*Test.java" \
! -name "MapInitializationOrderTest.java" \
! -name 'CachedFieldSizeTest.java' -printf "%P\n")
JAVA_TEST_RUN_ONLY="${JAVA_TEST_RUN_ONLY//.java}"
JAVA_TEST_RUN_ONLY="${JAVA_TEST_RUN_ONLY//\//.}"
java-pkg-simple_src_test
}
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