build.gradle

/*
 * Copyright 2010-2017 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import groovy.io.FileType

//ant.importBuild 'backend.native/kotlin-ir/build.xml'

defaultTasks 'clean', 'demo'

convention.plugins.platformInfo = new PlatformInfo()

allprojects {
    if (path != ":dependencies") {
        evaluationDependsOn(":dependencies")
    }

    repositories {
        mavenCentral()
    }

    loadCommandLineProperties()
    loadLocalProperties()
    setupCompilationFlags()
    setupClang()
}

void setupClang() {

    convention.plugins.execClang = new org.jetbrains.kotlin.ExecClang(project)

    plugins.withType(NativeComponentPlugin) {
        model {
            toolChains {
                clang(Clang) {
                    clangPath.each {
                        path it
                    }

                    eachPlatform { // TODO: will not work when cross-compiling
                        [cCompiler, cppCompiler, linker].each {
                            it.withArguments { it.addAll(hostClangArgs) }
                        }

                    }
                }
            }
        }
    }
}

void setupCompilationFlags() {
    ext.clangPath = ["$llvmDir/bin"]
    ext.clangArgs = []
    ext.targetArgs = [:]
    final String binDir

    if (isLinux()) {
        ext.targetArgs <<
            ["host": 
               ["--sysroot=${gccToolchainDir}/${gnuTriplet}/sysroot"],
             "raspberrypi":
               ["-target", "armv7-unknown-linux-gnueabihf",
                "-mfpu=vfp", "-mfloat-abi=hard",
                "--sysroot=$raspberryPiSysrootDir",
                // TODO: those two are hacks.
                "-I$raspberryPiSysrootDir/usr/include/c++/4.8.3",
                "-I$raspberryPiSysrootDir/usr/include/c++/4.8.3/arm-linux-gnueabihf"]
            ]
     } else {
         ext.targetArgs <<
            ["host":
                ["--sysroot=$hostSysrootDir", "-mmacosx-version-min=$minMacOsVersion"], 
             "iphone":
                ["-stdlib=libc++", "-arch", "arm64", "-isysroot", "$iphoneSysrootDir"],
// TODO: re-enable after simulator sysroot is available in the dependencies
//             "iphone_sim":
//                ["-stdlib=libc++", "-isysroot", "$iphoneSimSysrootDir"],
            ]
     }
     ext.targetList = ext.targetArgs.keySet() as List

    if (isLinux()) {
        binDir = "$gccToolchainDir/$gnuTriplet/bin"
        ext.clangArgs.addAll([
                "--gcc-toolchain=$gccToolchainDir",
                "-L$llvmDir/lib"
        ])
    } else {
        binDir = "$hostSysrootDir/usr/bin"
    }
    ext.clangArgs << "-B$binDir"
    ext.hostClangArgs = ext.clangArgs.clone() 
    ext.hostClangArgs.addAll(ext.targetArgs['host'])

    ext.clangPath << binDir
    ext.jvmArgs = ["-ea"]
}

void loadLocalProperties() {
    if (new File("$project.rootDir/local.properties").exists()) {
        Properties props = new Properties()
        props.load(new FileInputStream("$project.rootDir/local.properties"))
        props.each {prop -> project.ext.set(prop.key, prop.value)}
    }
}

void loadCommandLineProperties() {
    if (project.hasProperty("konanc_flags")) {
        throw new Error("Specify either -Ptest_flags or -Pbuild_flags.")
    }
    ext.globalBuildArgs = project.hasProperty("build_flags")
        ? ext.build_flags.split(' ') : []
    ext.globalTestArgs = project.hasProperty("test_flags")
        ? ext.test_flags.split(' ') : []
    ext.testTarget = project.hasProperty("test_target")
        ? ext.test_target : null
}

class PlatformInfo {
    private final String osName = System.properties['os.name']
    private final String osArch = System.properties['os.arch']

    boolean isMac() {
        return osName == 'Mac OS X'
    }

    boolean isLinux() {
        return osName == 'Linux'
    }

    boolean isAmd64() {
        return osArch in ['x86_64', 'amd64']
    }

    String getGnuTriplet() {
        if (isLinux() && isAmd64()) {
            return "x86_64-unknown-linux-gnu"
        } else {
            throw unsupportedPlatformException()
        }
    }

    String simpleOsName() {
        if (isMac()) return 'macos'
        if (isLinux()) return 'linux'
        throw unsupportedPlatformException()
    }

    Throwable unsupportedPlatformException() {
        return new Error("unsupported platform: $osName/$osArch")
    }
}

task dist_compiler(type: Copy) {
    dependsOn ':backend.native:jars'
    dependsOn ':tools:helpers:jar'

    destinationDir file('dist')

    from(project(':backend.native').file('build/libs')) {
        into('konan/lib')
    }

    from(project('Interop').file('Runtime/build/libs')) {
        into('konan/lib')
    }

    from(project('Interop').file('Indexer/build/libs')) {
        into('konan/lib')
    }

    from(project('Interop').file('StubGenerator/build/libs')) {
        into('konan/lib')
    }

    from(project(':backend.native').file('build/external_jars')) {
        into('konan/lib')
    }

    from(project(':backend.native').file('build/nativelibs')) {
        into('konan/nativelib')
    }

    from(project(':Interop').file('Indexer/build/nativelibs')) {
        into('konan/nativelib')
    }

    from(project(':Interop').file('Runtime/build/nativelibs')) {
        into('konan/nativelib')
    }

    from(file('cmd')) {
        fileMode(0755)
        into('bin')
    }
    from(project(':backend.native').file('konan.properties')) {
        into('konan')
    }

    from("$llvmDir/lib") {
        into('konan/nativelib')
        include '**/libclang.*'
        includeEmptyDirs = false
    }

    // TODO: check if we use native libraries copied to dist (see above) or not.
    from(project(':tools:helpers').file('build/libs')) {
        into('konan/lib')
    }

    doLast {
        // MacOS System Integrity Protection strips DYLD_LIBRARY_PATH from
        // environment of all the binaries residing in /bin /usr/bin etc.
        // That means /usr/bin/java can't use DYLD_LIBRARY_PATH to pick up
        // rpath'ed libraries. 
        // See dyld(1), install_name_tool(1) for rpath details.

        if (isMac()) {
            exec {
                commandLine "install_name_tool"
                args '-add_rpath', '@loader_path/', 
                    'dist/konan/nativelib/libclangstubs.dylib'
            }
        }
    }
}

task list_dist(type: Exec) {
    commandLine 'find', 'dist'
}

task dist_runtime(type: Copy) {
    dependsOn ':runtime:hostRuntime'
    dependsOn ':backend.native:hostStdlib'
    dependsOn ':backend.native:hostStart'

    destinationDir file('dist')

    from(project(':runtime').file('build')) {
        include('*/*.bc')
        into('lib')
    }
}

task cross_dist_runtime(type: Copy) {
    dependsOn.addAll(targetList.collect { ":runtime:${it}Runtime" })
    dependsOn.addAll(targetList.collect { ":backend.native:${it}Stdlib" })
    dependsOn.addAll(targetList.collect { ":backend.native:${it}Start" })

    destinationDir file('dist')

    from(project(':runtime').file('build')) {
        include('*/*.bc')
        into('lib')
    }
}

task dist {
    dependsOn 'dist_compiler', 'dist_runtime'
}

task cross_dist {
    dependsOn 'cross_dist_runtime', 'dist_compiler'
}

task bundle(type: Tar) {
    dependsOn('cross_dist')
    baseName = "kotlin-native-${simpleOsName()}-${project.konanVersion}"
    from("$project.rootDir/dist") {
        include '**'
        exclude 'dependencies'
        into baseName
    }
    from(project.rootDir) {
        include 'DISTRO_README.md'
        rename {
            return "README.md"
        }
        into baseName
    }
    from(project.rootDir) {
        include 'samples/**'
        include 'INTEROP.md'
        include 'RELEASE_NOTES.md'
        include 'GRADLE_PLUGIN.md'
        exclude '**/gradle.properties'
        exclude '**/build'
        exclude '**/.gradle'
        rename { String fileName ->
            if (fileName == "gradle.properties.for_bundle") {
                return "gradle.properties"
            } else {
                return fileName
            }
        }
        into baseName
    }
    destinationDir = file('.')
    extension = 'tar.gz'
    compression = Compression.GZIP
}

task demo(type: Exec) {
    dependsOn 'dist'

    commandLine './dist/bin/konanc', 'backend.native/tests/runtime/collections/moderately_large_array.kt', '-o', 'build/demo.kexe'
}

task clean {
    doLast {
        file('dist').traverse(type: FileType.ANY, excludeNameFilter: "dependencies", maxDepth: 0) {
            delete it
        }
        delete bundle.outputs.files
    }
}