├── gradle.properties ├── settings.gradle.kts ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── .gitignore ├── src └── main │ └── kotlin │ └── io │ └── github │ └── lemcoder │ ├── ExecCapture.kt │ ├── KonanPlugin.kt │ └── RunKonanClangTask.kt ├── gradlew.bat ├── README.md ├── gradlew └── LICENSE /gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.configuration-cache=true -------------------------------------------------------------------------------- /settings.gradle.kts: -------------------------------------------------------------------------------- 1 | rootProject.name = "KonanPlugin" -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/lemcoder/KonanPlugin/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip 4 | networkTimeout=10000 5 | validateDistributionUrl=true 6 | zipStoreBase=GRADLE_USER_HOME 7 | zipStorePath=wrapper/dists 8 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Gradle files 2 | .gradle/ 3 | build/ 4 | 5 | # Local configuration file (sdk path, etc) 6 | local.properties 7 | 8 | # Log/OS Files 9 | *.log 10 | 11 | # Android Studio generated files and folders 12 | captures/ 13 | .externalNativeBuild/ 14 | .cxx/ 15 | *.apk 16 | output.json 17 | 18 | # IntelliJ 19 | *.iml 20 | .idea/ 21 | misc.xml 22 | deploymentTargetDropDown.xml 23 | render.experimental.xml 24 | 25 | # Keystore files 26 | *.jks 27 | *.keystore 28 | 29 | # Google Services (e.g. APIs or Firebase) 30 | google-services.json 31 | 32 | # Android Profiling 33 | *.hprof 34 | -------------------------------------------------------------------------------- /src/main/kotlin/io/github/lemcoder/ExecCapture.kt: -------------------------------------------------------------------------------- 1 | package io.github.lemcoder 2 | 3 | import org.gradle.process.ExecOperations 4 | import org.gradle.process.ExecResult 5 | import org.gradle.process.ExecSpec 6 | import java.io.ByteArrayOutputStream 7 | 8 | fun ExecOperations.execCapture( 9 | configure: ExecSpec.() -> Unit, 10 | ): ExecCaptureResult { 11 | 12 | val (result, output) = ByteArrayOutputStream().use { os -> 13 | exec { 14 | isIgnoreExitValue = true 15 | standardOutput = os 16 | errorOutput = os 17 | configure() 18 | } to os.toString() 19 | } 20 | 21 | return if (result.exitValue != 0) { 22 | ExecCaptureResult.Error(output, result) 23 | } else { 24 | ExecCaptureResult.Success(output, result) 25 | } 26 | } 27 | 28 | 29 | sealed class ExecCaptureResult( 30 | val output: String, 31 | private val result: ExecResult, 32 | ) : ExecResult by result { 33 | class Success(output: String, result: ExecResult) : ExecCaptureResult(output, result) 34 | class Error(output: String, result: ExecResult) : ExecCaptureResult(output, result) 35 | } -------------------------------------------------------------------------------- /src/main/kotlin/io/github/lemcoder/KonanPlugin.kt: -------------------------------------------------------------------------------- 1 | package io.github.lemcoder 2 | 3 | import org.gradle.api.Project 4 | import org.gradle.api.Plugin 5 | import org.gradle.api.provider.ListProperty 6 | import org.gradle.api.provider.Property 7 | import org.jetbrains.kotlin.konan.target.KonanTarget 8 | import java.io.File 9 | 10 | abstract class KonanPlugin : Plugin { 11 | override fun apply(project: Project) { 12 | // Define the properties that can be configured by the user 13 | val extension = project.extensions.create("konanConfig", KonanPluginExtension::class.java) 14 | 15 | project.tasks.register("runKonanClang", RunKonanClangTask::class.java) { 16 | group = project.name 17 | 18 | targets.set(extension.targets.get()) 19 | 20 | outputDir.set(project.layout.projectDirectory.dir(extension.outputDir)) 21 | 22 | sourceFiles.from( 23 | project.layout.projectDirectory 24 | .dir(extension.sourceDir.get()) 25 | .asFileTree 26 | ) 27 | 28 | libName.set(extension.libName) 29 | 30 | includeDirs.from(project.layout.projectDirectory.dir(extension.headerDir)) 31 | 32 | arguments.addAll( 33 | "-std=c99", 34 | "-fno-sanitize=undefined", 35 | "-D" + "JPH_CROSS_PLATFORM_DETERMINISTIC", 36 | "-D" + "JPH_ENABLE_ASSERTS", 37 | ) 38 | 39 | val isWindows = System.getProperty("os.name").lowercase().contains("windows") 40 | val scriptPath = if (isWindows) "bin/run_konan.bat" else "bin/run_konan" 41 | runKonan.set(File(extension.konanPath.get()).resolve(scriptPath)) 42 | } 43 | } 44 | } 45 | 46 | interface KonanPluginExtension { 47 | val targets: ListProperty 48 | val sourceDir: Property 49 | val headerDir: Property 50 | val libName: Property 51 | val outputDir: Property 52 | val konanPath: Property 53 | } 54 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | @rem SPDX-License-Identifier: Apache-2.0 17 | @rem 18 | 19 | @if "%DEBUG%"=="" @echo off 20 | @rem ########################################################################## 21 | @rem 22 | @rem Gradle startup script for Windows 23 | @rem 24 | @rem ########################################################################## 25 | 26 | @rem Set local scope for the variables with windows NT shell 27 | if "%OS%"=="Windows_NT" setlocal 28 | 29 | set DIRNAME=%~dp0 30 | if "%DIRNAME%"=="" set DIRNAME=. 31 | @rem This is normally unused 32 | set APP_BASE_NAME=%~n0 33 | set APP_HOME=%DIRNAME% 34 | 35 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 36 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 37 | 38 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 39 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 40 | 41 | @rem Find java.exe 42 | if defined JAVA_HOME goto findJavaFromJavaHome 43 | 44 | set JAVA_EXE=java.exe 45 | %JAVA_EXE% -version >NUL 2>&1 46 | if %ERRORLEVEL% equ 0 goto execute 47 | 48 | echo. 1>&2 49 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 50 | echo. 1>&2 51 | echo Please set the JAVA_HOME variable in your environment to match the 1>&2 52 | echo location of your Java installation. 1>&2 53 | 54 | goto fail 55 | 56 | :findJavaFromJavaHome 57 | set JAVA_HOME=%JAVA_HOME:"=% 58 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 59 | 60 | if exist "%JAVA_EXE%" goto execute 61 | 62 | echo. 1>&2 63 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 64 | echo. 1>&2 65 | echo Please set the JAVA_HOME variable in your environment to match the 1>&2 66 | echo location of your Java installation. 1>&2 67 | 68 | goto fail 69 | 70 | :execute 71 | @rem Setup the command line 72 | 73 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 74 | 75 | 76 | @rem Execute Gradle 77 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 78 | 79 | :end 80 | @rem End local scope for the variables with windows NT shell 81 | if %ERRORLEVEL% equ 0 goto mainEnd 82 | 83 | :fail 84 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 85 | rem the _cmd.exe /c_ return code! 86 | set EXIT_CODE=%ERRORLEVEL% 87 | if %EXIT_CODE% equ 0 set EXIT_CODE=1 88 | if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% 89 | exit /b %EXIT_CODE% 90 | 91 | :mainEnd 92 | if "%OS%"=="Windows_NT" endlocal 93 | 94 | :omega 95 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Konan Plugin 2 | 3 | The **Konan Plugin** is a custom Gradle plugin that facilitates compiling C/C++ sources using the `run_konan` utility. It simplifies multi-platform native compilation for Kotlin Native projects. 4 | 5 | > This plugin is based on awesome work by [aSemy](https://gist.github.com/aSemy) 🚀 6 | 7 | ## Features 8 | - Compiles C/C++ source files to `.o` object files. 9 | - Supports linking object files into static libraries (`.a`). 10 | - Works with all Kotlin Native targets 11 | - Configurable via a Gradle extension. 12 | 13 | ## Installation 14 | 1. Apply the plugin in your `build.gradle.kts`: 15 | ```kotlin 16 | plugins { 17 | id("io.github.lemcoder.konanplugin") version "1.0.0" 18 | } 19 | ``` 20 | 21 | 2. Ensure that the Kotlin/Native toolchain is installed and the `run_konan` utility is accessible. 22 | 23 | ## Configuration 24 | The plugin provides an extension called `KonanPluginExtension`. Below are the configuration options: 25 | 26 | | Property | Type | Description | 27 | |---------------|---------------------|---------------------------------------------| 28 | | `targets` | `List` | List of Kotlin/Native targets to compile for. | 29 | | `sourceDir` | `String` | Directory containing C/C++ source files. | 30 | | `headerDir` | `String` | Directory containing `.h` header files. | 31 | | `libName` | `String` | Name of the output static library. | 32 | | `outputDir` | `String` | Directory for output object files and libraries. | 33 | | `konanPath` | `String` | Path to the `run_konan` utility. | 34 | 35 | ## Usage 36 | After applying the plugin, configure it in your build script using the provided extension: 37 | 38 | ### Sample Configuration 39 | ```kotlin 40 | configure { 41 | targets = buildList { 42 | add(KonanTarget.LINUX_X64) 43 | add(KonanTarget.MINGW_X64) 44 | if (System.getProperty("os.name").lowercase().contains("mac")) { 45 | add(KonanTarget.IOS_ARM64) 46 | add(KonanTarget.IOS_SIMULATOR_ARM64) 47 | add(KonanTarget.IOS_X64) 48 | add(KonanTarget.MACOS_X64) 49 | add(KonanTarget.MACOS_ARM64) 50 | } 51 | } 52 | sourceDir = "${rootDir}/native/src" 53 | headerDir = "${rootDir}/native/include" 54 | outputDir = "${rootDir}/native/lib" 55 | libName = "mylib" 56 | konanPath = localKonanDir.listFiles()?.first { 57 | it.name.contains("") // e.g., "2.1.0" 58 | }?.absolutePath 59 | } 60 | ``` 61 | 62 | ## Tasks 63 | The plugin defines a task, `runKonanClang`, that: 64 | 1. Compiles C/C++ source files into `.o` object files. 65 | 2. Links object files into a `.a` static library. 66 | 67 | ### Example 68 | 1. Place your C/C++ source files in the directory specified by `sourceDir` (e.g., `native/src`). 69 | 2. Place your `.h` headers in the directory specified by `headerDir` (e.g., `native/include`). 70 | 3. Run the build: 71 | ```bash 72 | ./gradlew runKonanClang 73 | ``` 74 | 75 | The compiled static libraries will be output to `outputDir`. 76 | 77 | ## Example Workflow 78 | ### Directory Structure 79 | ```plaintext 80 | project-root/ 81 | ├── build.gradle.kts 82 | ├── native/ 83 | │ ├── src/ 84 | │ │ ├── file1.c 85 | │ ├── include/ 86 | │ │ ├── file1.h 87 | │ └── lib/ (generated output) 88 | └── settings.gradle.kts 89 | ``` 90 | 91 | ### Output 92 | After running the task: 93 | ```plaintext 94 | native/lib/ 95 | ├── linux_x64/ 96 | │ └── lib.a 97 | ├── mingw_x64/ 98 | │ └── lib.a 99 | ``` 100 | 101 | ## License 102 | This project is licensed under the Apache 2.0 License. For more details, see the `LICENSE` file. 103 | 104 | Happy coding! 😊 105 | -------------------------------------------------------------------------------- /src/main/kotlin/io/github/lemcoder/RunKonanClangTask.kt: -------------------------------------------------------------------------------- 1 | package io.github.lemcoder 2 | 3 | 4 | import org.gradle.api.DefaultTask 5 | import org.gradle.api.file.ConfigurableFileCollection 6 | import org.gradle.api.file.DirectoryProperty 7 | import org.gradle.api.file.FileSystemOperations 8 | import org.gradle.api.file.RegularFileProperty 9 | import org.gradle.api.model.ObjectFactory 10 | import org.gradle.api.provider.ListProperty 11 | import org.gradle.api.provider.Property 12 | import org.gradle.api.provider.Provider 13 | import org.gradle.api.tasks.Input 14 | import org.gradle.api.tasks.InputFile 15 | import org.gradle.api.tasks.InputFiles 16 | import org.gradle.api.tasks.Internal 17 | import org.gradle.api.tasks.Optional 18 | import org.gradle.api.tasks.PathSensitive 19 | import org.gradle.api.tasks.PathSensitivity.NAME_ONLY 20 | import org.gradle.api.tasks.PathSensitivity.RELATIVE 21 | import org.gradle.api.tasks.TaskAction 22 | import org.gradle.process.ExecOperations 23 | import org.jetbrains.kotlin.konan.target.KonanTarget 24 | import org.jetbrains.kotlin.util.parseSpaceSeparatedArgs 25 | import javax.inject.Inject 26 | 27 | /** 28 | * Compile C/C++ source files using the 29 | * [`run_konan`](https://github.com/JetBrains/kotlin/blob/v1.9.0/kotlin-native/HACKING.md#running-clang-the-same-way-kotlinnative-compiler-does) 30 | * utility. 31 | */ 32 | abstract class RunKonanClangTask @Inject constructor( 33 | private val exec: ExecOperations, 34 | private val fs: FileSystemOperations, 35 | private val objects: ObjectFactory, 36 | ) : DefaultTask() { 37 | 38 | /** Destination of compiled `.o` object files */ 39 | @get:InputFiles 40 | @get:PathSensitive(RELATIVE) 41 | abstract val outputDir: DirectoryProperty 42 | 43 | /** C and C++ source files to compile to object files */ 44 | @get:InputFiles 45 | @get:PathSensitive(RELATIVE) 46 | abstract val sourceFiles: ConfigurableFileCollection 47 | 48 | /** Directories that include `.h` header files */ 49 | @get:InputFiles 50 | @get:PathSensitive(RELATIVE) 51 | abstract val includeDirs: ConfigurableFileCollection 52 | 53 | /** Path to the (platform specific) `run_konan` utility */ 54 | @get:InputFile 55 | @get:PathSensitive(NAME_ONLY) 56 | abstract val runKonan: RegularFileProperty 57 | 58 | /** Kotlin target platform, e.g. `mingw_x64` */ 59 | @get:Input 60 | abstract val targets: ListProperty 61 | 62 | @get:Input 63 | @get:Optional 64 | abstract val arguments: ListProperty 65 | 66 | @get:Internal 67 | abstract val workingDir: DirectoryProperty 68 | 69 | @get:Input 70 | abstract val libName: Property 71 | 72 | private val libFileName: Provider 73 | get() = libName.map { "lib${it}.a" } 74 | 75 | @TaskAction 76 | fun compileAndLink() { 77 | val workingDir = workingDir.asFile.getOrElse(temporaryDir) 78 | targets.get().forEach { kotlinTarget -> 79 | // prepare output dirs 80 | val sourcesDir = workingDir.resolve("sources") 81 | val headersDir = workingDir.resolve("headers") 82 | val compileDir = workingDir.resolve("compile") 83 | val linkDir = workingDir.resolve("link") 84 | 85 | fs.sync { 86 | from(sourceFiles) 87 | into(sourcesDir) 88 | } 89 | 90 | fs.sync { 91 | from(includeDirs) 92 | into(headersDir) 93 | } 94 | 95 | fs.delete { delete(compileDir) } 96 | compileDir.mkdirs() 97 | 98 | fs.delete { delete(linkDir) } 99 | linkDir.mkdirs() 100 | 101 | // --- 102 | // Compiling 103 | 104 | // prepare args file 105 | val sourceFilePaths = sourcesDir.walk() 106 | .filter { it.extension in listOf("cpp", "c") } 107 | .joinToString("\n") { it.invariantSeparatorsPath } 108 | 109 | compileDir.resolve("args") 110 | .writeText(/*language=text*/ 111 | """ 112 | |--include-directory ${headersDir.invariantSeparatorsPath} 113 | |${arguments.getOrElse(emptyList()).joinToString("\n")} 114 | |-c $sourceFilePaths 115 | """.trimMargin() 116 | ) 117 | 118 | // compile files 119 | val compileResult = exec.execCapture { 120 | executable(runKonan.asFile.get()) 121 | args( 122 | parseSpaceSeparatedArgs( 123 | "clang clang $kotlinTarget @args" 124 | ) 125 | ) 126 | workingDir(compileDir) 127 | } 128 | 129 | // verify output 130 | logger.lifecycle(compileResult.output) 131 | compileResult.assertNormalExitValue() 132 | 133 | // move compiled files to output directory 134 | val outDir = outputDir.get().dir(kotlinTarget.name) 135 | fs.delete { delete(outDir) } 136 | fs.sync { 137 | from(compileDir) { 138 | include("**/*.o") 139 | } 140 | into(outDir) 141 | } 142 | 143 | // --- 144 | // Linking 145 | 146 | val objFilesPaths = outDir 147 | .asFileTree 148 | .matching { include("**/*.o") } 149 | .joinToString("\n") { it.invariantSeparatorsPath } 150 | 151 | linkDir.resolve("args") 152 | .writeText( 153 | /*language=text*/ """ 154 | |-rv 155 | |${libFileName.get()} 156 | |$objFilesPaths 157 | """.trimMargin() 158 | ) 159 | 160 | // link files 161 | val linkResult = exec.execCapture { 162 | executable(runKonan.asFile.get()) 163 | args( 164 | parseSpaceSeparatedArgs( 165 | "llvm llvm-ar @args" 166 | ) 167 | ) 168 | workingDir(linkDir) 169 | } 170 | 171 | logger.lifecycle(linkResult.output) 172 | linkResult.assertNormalExitValue() 173 | 174 | fs.delete { delete(outDir) } 175 | fs.sync { 176 | from(linkDir) { 177 | include("**/*.a") 178 | } 179 | into(outDir) 180 | } 181 | 182 | } 183 | } 184 | } -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | # 4 | # Copyright © 2015-2021 the original authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | # SPDX-License-Identifier: Apache-2.0 19 | # 20 | 21 | ############################################################################## 22 | # 23 | # Gradle start up script for POSIX generated by Gradle. 24 | # 25 | # Important for running: 26 | # 27 | # (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is 28 | # noncompliant, but you have some other compliant shell such as ksh or 29 | # bash, then to run this script, type that shell name before the whole 30 | # command line, like: 31 | # 32 | # ksh Gradle 33 | # 34 | # Busybox and similar reduced shells will NOT work, because this script 35 | # requires all of these POSIX shell features: 36 | # * functions; 37 | # * expansions «$var», «${var}», «${var:-default}», «${var+SET}», 38 | # «${var#prefix}», «${var%suffix}», and «$( cmd )»; 39 | # * compound commands having a testable exit status, especially «case»; 40 | # * various built-in commands including «command», «set», and «ulimit». 41 | # 42 | # Important for patching: 43 | # 44 | # (2) This script targets any POSIX shell, so it avoids extensions provided 45 | # by Bash, Ksh, etc; in particular arrays are avoided. 46 | # 47 | # The "traditional" practice of packing multiple parameters into a 48 | # space-separated string is a well documented source of bugs and security 49 | # problems, so this is (mostly) avoided, by progressively accumulating 50 | # options in "$@", and eventually passing that to Java. 51 | # 52 | # Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, 53 | # and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; 54 | # see the in-line comments for details. 55 | # 56 | # There are tweaks for specific operating systems such as AIX, CygWin, 57 | # Darwin, MinGW, and NonStop. 58 | # 59 | # (3) This script is generated from the Groovy template 60 | # https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt 61 | # within the Gradle project. 62 | # 63 | # You can find Gradle at https://github.com/gradle/gradle/. 64 | # 65 | ############################################################################## 66 | 67 | # Attempt to set APP_HOME 68 | 69 | # Resolve links: $0 may be a link 70 | app_path=$0 71 | 72 | # Need this for daisy-chained symlinks. 73 | while 74 | APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path 75 | [ -h "$app_path" ] 76 | do 77 | ls=$( ls -ld "$app_path" ) 78 | link=${ls#*' -> '} 79 | case $link in #( 80 | /*) app_path=$link ;; #( 81 | *) app_path=$APP_HOME$link ;; 82 | esac 83 | done 84 | 85 | # This is normally unused 86 | # shellcheck disable=SC2034 87 | APP_BASE_NAME=${0##*/} 88 | # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) 89 | APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s 90 | ' "$PWD" ) || exit 91 | 92 | # Use the maximum available, or set MAX_FD != -1 to use that value. 93 | MAX_FD=maximum 94 | 95 | warn () { 96 | echo "$*" 97 | } >&2 98 | 99 | die () { 100 | echo 101 | echo "$*" 102 | echo 103 | exit 1 104 | } >&2 105 | 106 | # OS specific support (must be 'true' or 'false'). 107 | cygwin=false 108 | msys=false 109 | darwin=false 110 | nonstop=false 111 | case "$( uname )" in #( 112 | CYGWIN* ) cygwin=true ;; #( 113 | Darwin* ) darwin=true ;; #( 114 | MSYS* | MINGW* ) msys=true ;; #( 115 | NONSTOP* ) nonstop=true ;; 116 | esac 117 | 118 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 119 | 120 | 121 | # Determine the Java command to use to start the JVM. 122 | if [ -n "$JAVA_HOME" ] ; then 123 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 124 | # IBM's JDK on AIX uses strange locations for the executables 125 | JAVACMD=$JAVA_HOME/jre/sh/java 126 | else 127 | JAVACMD=$JAVA_HOME/bin/java 128 | fi 129 | if [ ! -x "$JAVACMD" ] ; then 130 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 131 | 132 | Please set the JAVA_HOME variable in your environment to match the 133 | location of your Java installation." 134 | fi 135 | else 136 | JAVACMD=java 137 | if ! command -v java >/dev/null 2>&1 138 | then 139 | die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 140 | 141 | Please set the JAVA_HOME variable in your environment to match the 142 | location of your Java installation." 143 | fi 144 | fi 145 | 146 | # Increase the maximum file descriptors if we can. 147 | if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then 148 | case $MAX_FD in #( 149 | max*) 150 | # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. 151 | # shellcheck disable=SC2039,SC3045 152 | MAX_FD=$( ulimit -H -n ) || 153 | warn "Could not query maximum file descriptor limit" 154 | esac 155 | case $MAX_FD in #( 156 | '' | soft) :;; #( 157 | *) 158 | # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. 159 | # shellcheck disable=SC2039,SC3045 160 | ulimit -n "$MAX_FD" || 161 | warn "Could not set maximum file descriptor limit to $MAX_FD" 162 | esac 163 | fi 164 | 165 | # Collect all arguments for the java command, stacking in reverse order: 166 | # * args from the command line 167 | # * the main class name 168 | # * -classpath 169 | # * -D...appname settings 170 | # * --module-path (only if needed) 171 | # * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. 172 | 173 | # For Cygwin or MSYS, switch paths to Windows format before running java 174 | if "$cygwin" || "$msys" ; then 175 | APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) 176 | CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) 177 | 178 | JAVACMD=$( cygpath --unix "$JAVACMD" ) 179 | 180 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 181 | for arg do 182 | if 183 | case $arg in #( 184 | -*) false ;; # don't mess with options #( 185 | /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath 186 | [ -e "$t" ] ;; #( 187 | *) false ;; 188 | esac 189 | then 190 | arg=$( cygpath --path --ignore --mixed "$arg" ) 191 | fi 192 | # Roll the args list around exactly as many times as the number of 193 | # args, so each arg winds up back in the position where it started, but 194 | # possibly modified. 195 | # 196 | # NB: a `for` loop captures its iteration list before it begins, so 197 | # changing the positional parameters here affects neither the number of 198 | # iterations, nor the values presented in `arg`. 199 | shift # remove old arg 200 | set -- "$@" "$arg" # push replacement arg 201 | done 202 | fi 203 | 204 | 205 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 206 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 207 | 208 | # Collect all arguments for the java command: 209 | # * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, 210 | # and any embedded shellness will be escaped. 211 | # * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be 212 | # treated as '${Hostname}' itself on the command line. 213 | 214 | set -- \ 215 | "-Dorg.gradle.appname=$APP_BASE_NAME" \ 216 | -classpath "$CLASSPATH" \ 217 | org.gradle.wrapper.GradleWrapperMain \ 218 | "$@" 219 | 220 | # Stop when "xargs" is not available. 221 | if ! command -v xargs >/dev/null 2>&1 222 | then 223 | die "xargs is not available" 224 | fi 225 | 226 | # Use "xargs" to parse quoted args. 227 | # 228 | # With -n1 it outputs one arg per line, with the quotes and backslashes removed. 229 | # 230 | # In Bash we could simply go: 231 | # 232 | # readarray ARGS < <( xargs -n1 <<<"$var" ) && 233 | # set -- "${ARGS[@]}" "$@" 234 | # 235 | # but POSIX shell has neither arrays nor command substitution, so instead we 236 | # post-process each arg (as a line of input to sed) to backslash-escape any 237 | # character that might be a shell metacharacter, then use eval to reverse 238 | # that process (while maintaining the separation between arguments), and wrap 239 | # the whole thing up as a single "set" statement. 240 | # 241 | # This will of course break if any of these variables contains a newline or 242 | # an unmatched quote. 243 | # 244 | 245 | eval "set -- $( 246 | printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | 247 | xargs -n1 | 248 | sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | 249 | tr '\n' ' ' 250 | )" '"$@"' 251 | 252 | exec "$JAVACMD" "$@" 253 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. 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