SourceFile getMainSource() {
        return sourceFile("objc", "main.m", """
            // Simple hello world app
            #import "hello.h"

            int main (int argc, const char * argv[]) {
                doGreeting();
                printf("%d", sum(7, 5));
                return 0;
            }

        """)
    }

    @Override
    SourceFile getLibraryHeader() {

    mainClass = 'org.gradle.sample.Main'
}
// end::mainModule-conf[]

// tag::application-defaultjvmargs[]
application {
    applicationDefaultJvmArgs = ['-Dgreeting.language=en']
}
// end::application-defaultjvmargs[]

// tag::executableDir-conf[]
application {
    executableDir = 'custom_bin_dir'
}
// end::executableDir-conf[]

// tag::distribution-spec[]

    mainClass = "org.gradle.sample.Main"
}
// end::mainModule-conf[]

// tag::application-defaultjvmargs[]
application {
    applicationDefaultJvmArgs = listOf("-Dgreeting.language=en")
}
// end::application-defaultjvmargs[]

// tag::executableDir-conf[]
application {
    executableDir = "custom_bin_dir"
}
// end::executableDir-conf[]

// tag::distribution-spec[]