| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import '../base/io.dart'; |
| import '../base/process_manager.dart'; |
| import '../base/version.dart'; |
| import '../doctor.dart'; |
| |
| /// A validator that checks for Clang and Make build dependencies |
| class LinuxDoctorValidator extends DoctorValidator { |
| LinuxDoctorValidator() : super('Linux toolchain - develop for Linux desktop'); |
| |
| /// The minimum version of clang supported. |
| final Version minimumClangVersion = Version(3, 4, 0); |
| |
| @override |
| Future<ValidationResult> validate() async { |
| ValidationType validationType = ValidationType.installed; |
| final List<ValidationMessage> messages = <ValidationMessage>[]; |
| /// Check for a minimum version of Clang. |
| ProcessResult clangResult; |
| try { |
| clangResult = await processManager.run(const <String>[ |
| 'clang++', |
| '--version', |
| ]); |
| } on ArgumentError { |
| // ignore error. |
| } |
| if (clangResult == null || clangResult.exitCode != 0) { |
| validationType = ValidationType.missing; |
| messages.add(ValidationMessage.error('clang++ is not installed')); |
| } else { |
| final String firstLine = (clangResult.stdout as String).split('\n').first.trim(); |
| final String versionString = RegExp(r'[0-9]+\.[0-9]+\.[0-9]+').firstMatch(firstLine).group(0); |
| final Version version = Version.parse(versionString); |
| if (version >= minimumClangVersion) { |
| messages.add(ValidationMessage('clang++ $version')); |
| } else { |
| validationType = ValidationType.partial; |
| messages.add(ValidationMessage.error('clang++ $version is below minimum version of $minimumClangVersion')); |
| } |
| } |
| |
| /// Check for make. |
| // TODO(jonahwilliams): tighten this check to include a version when we have |
| // a better idea about what is supported. |
| ProcessResult makeResult; |
| try { |
| makeResult = await processManager.run(const <String>[ |
| 'make', |
| '--version', |
| ]); |
| } on ArgumentError { |
| // ignore error. |
| } |
| if (makeResult == null || makeResult.exitCode != 0) { |
| validationType = ValidationType.missing; |
| messages.add(ValidationMessage.error('make is not installed')); |
| } else { |
| final String firstLine = (makeResult.stdout as String).split('\n').first.trim(); |
| messages.add(ValidationMessage(firstLine)); |
| } |
| |
| return ValidationResult(validationType, messages); |
| } |
| } |