| /* Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
| file Copyright.txt or https://cmake.org/licensing for details. */ |
| #include "cmEnableLanguageCommand.h" |
| |
| #include "cmExecutionStatus.h" |
| #include "cmMakefile.h" |
| #include "cmMessageType.h" |
| #include "cmPolicies.h" |
| #include "cmSystemTools.h" |
| |
| bool cmEnableLanguageCommand(std::vector<std::string> const& args, |
| cmExecutionStatus& status) |
| { |
| if (args.empty()) { |
| status.SetError("called with incorrect number of arguments"); |
| return false; |
| } |
| |
| cmMakefile& mf = status.GetMakefile(); |
| if (!mf.IsNormalDefinitionSet("PROJECT_NAME")) { |
| switch (mf.GetPolicyStatus(cmPolicies::CMP0165)) { |
| case cmPolicies::WARN: |
| mf.IssueMessage( |
| MessageType::AUTHOR_WARNING, |
| "project() should be called prior to this enable_language() call."); |
| break; |
| case cmPolicies::OLD: |
| break; |
| case cmPolicies::NEW: |
| mf.IssueMessage( |
| MessageType::FATAL_ERROR, |
| "project() must be called prior to this enable_language() call."); |
| cmSystemTools::SetFatalErrorOccurred(); |
| return false; |
| default: |
| break; |
| } |
| } |
| |
| bool optional = false; |
| std::vector<std::string> languages; |
| for (std::string const& it : args) { |
| if (it == "OPTIONAL") { |
| optional = true; |
| } else { |
| languages.push_back(it); |
| } |
| } |
| |
| mf.EnableLanguage(languages, optional); |
| return true; |
| } |