JNI hello world

This commit is contained in:
2024-08-23 19:14:16 +02:00
parent 541dc77937
commit 7c9d15e0ef
24 changed files with 523 additions and 6 deletions

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.DS_Store
/toolchain
/cmake-build-debug
/sysroot
/mvn-build
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.idea/**/dataSources.ids
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.idea/**/sqlDataSources.xml
.idea/**/dynamic.xml
.idea/**/uiDesigner.xml
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# Gradle
.idea/**/gradle.xml
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# since they will be recreated, and may cause churn. Uncomment if using
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# .idea/artifacts
# .idea/compiler.xml
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# .idea/modules
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# Default ignored files
/shelf/
/workspace.xml
# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

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libdhfs_support/.idea/editor.xml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_BINARY_EXPRESSIONS_CHAIN/@EntryValue" value="true" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_CALLS_CHAIN/@EntryValue" value="false" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_EXPRESSION/@EntryValue" value="false" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_FOR_STMT/@EntryValue" value="true" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTIPLE_DECLARATION/@EntryValue" value="false" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_TERNARY/@EntryValue" value="ALIGN_ALL" type="string" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_CLASS_DEFINITION/@EntryValue" value="1" type="int" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_BLANK_LINES_IN_CODE/@EntryValue" value="2" type="int" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_USER_LINEBREAKS/@EntryValue" value="true" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_CASE_FROM_SWITCH/@EntryValue" value="true" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_COMMENT/@EntryValue" value="true" type="bool" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SIMPLE_BLOCK_STYLE/@EntryValue" value="DO_NOT_CHANGE" type="string" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COMMA_IN_TEMPLATE_ARGS/@EntryValue" value="true" type="bool" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_ARRAY_ACCESS_BRACKETS/@EntryValue" value="false" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_CAST_EXPRESSION_PARENTHESES/@EntryValue" value="false" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_INITIALIZER_BRACES/@EntryValue" value="false" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_METHOD_PARENTHESES/@EntryValue" value="false" type="bool" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPECIAL_ELSE_IF_TREATMENT/@EntryValue" value="true" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_CAST_EXPRESSION_PARENTHESES/@EntryValue" value="true" type="bool" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/TYPE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/OTHER_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/CASE_BLOCK_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_FUNCTION_DECLARATION/@EntryValue" value="1" type="int" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_WHILE_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BREAK_TEMPLATE_DECLARATION/@EntryValue" value="LINE_BREAK" type="string" />
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</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GitToolBoxBlameSettings">
<option name="version" value="2" />
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<module classpath="CMake" type="CPP_MODULE" version="4" />

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libdhfs_support/.idea/misc.xml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CMakePythonSetting">
<option name="pythonIntegrationState" value="YES" />
</component>
<component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
<component name="CidrRootsConfiguration">
<excludeRoots>
<file path="$PROJECT_DIR$/mvn-build" />
</excludeRoots>
</component>
</project>

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libdhfs_support/.idea/modules.xml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/libdhfs_support.iml" filepath="$PROJECT_DIR$/.idea/libdhfs_support.iml" />
</modules>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$/.." vcs="Git" />
</component>
</project>

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cmake_minimum_required(VERSION 3.24)
project(libdhfs_support CXX)
set(CMAKE_CXX_STANDARD 17)
find_package(JNI REQUIRED COMPONENTS JVM)
find_package(Java REQUIRED)
include(UseJava)
add_jar(DhfsSupportNative
"${PROJECT_SOURCE_DIR}/../dhfs-parent/supportlib/src/main/java/com/usatiuk/dhfs/supportlib/DhfsSupportNative.java"
GENERATE_NATIVE_HEADERS DhfsSupportNative-native)
add_library(dhfs_support SHARED DhfsSupportNative.cpp)
target_link_libraries(dhfs_support PRIVATE DhfsSupportNative-native)
install(TARGETS dhfs_support LIBRARY DESTINATION "${DHFS_LIB_INSTALL}/${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")

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#include <cstdio>
#include "com_usatiuk_dhfs_supportlib_DhfsSupportNative.h"
extern "C" {
void Java_com_usatiuk_dhfs_supportlib_DhfsSupportNative_hello(JNIEnv* env, jclass klass) {
printf("Hello, World!\n");
}
}

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FROM rockylinux:8
RUN dnf install -y java-21-openjdk-headless java-21-openjdk-devel cmake gcc gcc-c++

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#!/usr/bin/env bash
if [[ "$(uname)" == "*Linux*" ]]
then
echo "Already on linux"
exit 1
fi
export SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
cd "$SCRIPT_DIR"
if [[ -z "${INSIDE_DOCKER_ALREADY}" ]]; then
exec "$SCRIPT_DIR"/docker-launch.sh "$@"
fi
set -euxo pipefail
if [ $# -lt 3 ]
then
echo "Not enough arguments supplied: (build/configure) (build dir) (output dir)"
exit 1
fi
PROJECT_DIR="$SCRIPT_DIR/.."
CONFIGURE_DIR="$2"
INSTALL_DIR="$3"
function configure() {
cmake -B"$CONFIGURE_DIR" -S"$PROJECT_DIR" -DDHFS_LIB_INSTALL="$INSTALL_DIR"
}
function build() {
cmake --build "$CONFIGURE_DIR" --target install
}
mkdir -p "$2"
mkdir -p "$3"
case "$1" in
"configure")
configure
;;
"build")
build
;;
*)
echo "Unknown command"
exit 1
;;
esac

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#!/usr/bin/env bash
set -euxo pipefail
export SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
cd "$SCRIPT_DIR"
DOCKER_IMG_FILE=$(mktemp)
docker build --iidfile "$DOCKER_IMG_FILE" .
ROOT_DIR="$(dirname "$(dirname "$SCRIPT_DIR")")"
docker run --rm -v "$ROOT_DIR:$ROOT_DIR" -e INSIDE_DOCKER_ALREADY=TRUE "$(cat "$DOCKER_IMG_FILE")" \
"$SCRIPT_DIR/cross-build.sh" "$@"