allwpilib/toolchains/mac.gradle

model {
    toolChains {
        clang(Clang) {
            target('x86') {
                cppCompiler.withArguments { args ->
                    args << '-std=c++11' << '-Wall' << '-Wextra' << '-Werror' << '-pedantic-errors'
                    args << '-fPIC' << '-m32'
                    args << '-Wno-unused-parameter' << '-Wno-missing-field-initializers' << '-Wno-unused-private-field'
                }
                linker.withArguments { args ->
                    args << '-m32'
                }
            }
            target('x64') {
                cppCompiler.withArguments { args ->
                    args << '-std=c++11' << '-Wall' << '-Wextra' << '-Werror' << '-pedantic-errors'
                    args << '-fPIC'
                    args << '-Wno-missing-field-initializers' << '-Wno-unused-private-field' << '-Wno-unused-parameter'
                }
            }
        }
    }
}

ext.setupReleaseDefines = { cppCompiler, linker ->
    cppCompiler.args '-O2'
}

ext.setupDebugDefines = { cppCompiler, linker ->
    cppCompiler.args '-g', '-O0'
}

// Used only on Windows.
ext.setupDef = { linker, deffile -> }

ext.releaseSetup = { releaseTasks ->
    model {
        binaries {
            withType(SharedLibraryBinarySpec) { binary ->
                if (!project.hasProperty('debug')) {
                    def library = binary.sharedLibraryFile.absolutePath
                    if (project.tasks.findByName("strip${binary.name}") == null) {
                        def dsymutil = project.tasks.create("dsymutil${binary.name}", Exec) { task ->
                            task.commandLine 'dsymutil', library
                        }
                        def strip = project.tasks.create("strip${binary.name}", Exec) { task ->
                            task.commandLine 'strip', '-S', library
                        }
                        strip.dependsOn dsymutil
                        binary.tasks.whenObjectAdded { task ->
                            if (task.name.contains('link')) {
                                dsymutil.dependsOn task
                            }
                        }
                    }
                    releaseTasks.each { it.dependsOn project.tasks.getByName("strip${binary.name}") }
                }
            }
        }
    }
}