Source/cmTargetCompileOptionsCommand.cxx

   1 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   2    file Copyright.txt or https://cmake.org/licensing for details.  */
   3 #include "cmTargetCompileOptionsCommand.h"
   4
   5 #include "cmListFileCache.h"
   6 #include "cmMakefile.h"
   7 #include "cmMessageType.h"
   8 #include "cmPolicies.h"
   9 #include "cmStringAlgorithms.h"
  10 #include "cmTarget.h"
  11 #include "cmTargetPropCommandBase.h"
  12
  13 namespace {
  14
  15 class TargetCompileOptionsImpl : public cmTargetPropCommandBase
  16 {
  17 public:
  18   using cmTargetPropCommandBase::cmTargetPropCommandBase;
  19
  20 private:
  21   void HandleMissingTarget(const std::string& name) override
  22   {
  23     this->Makefile->IssueMessage(
  24       MessageType::FATAL_ERROR,
  25       cmStrCat("Cannot specify compile options for target \"", name,
  26                "\" which is not built by this project."));
  27   }
  28
  29   bool HandleDirectContent(cmTarget* tgt,
  30                            const std::vector<std::string>& content,
  31                            bool prepend, bool /*system*/) override
  32   {
  33     cmPolicies::PolicyStatus policyStatus =
  34       this->Makefile->GetPolicyStatus(cmPolicies::CMP0101);
  35     if (policyStatus == cmPolicies::OLD || policyStatus == cmPolicies::WARN) {
  36       prepend = false;
  37     }
  38
  39     cmListFileBacktrace lfbt = this->Makefile->GetBacktrace();
  40     tgt->InsertCompileOption(BT<std::string>(this->Join(content), lfbt),
  41                              prepend);
  42     return true; // Successfully handled.
  43   }
  44
  45   std::string Join(const std::vector<std::string>& content) override
  46   {
  47     return cmJoin(content, ";");
  48   }
  49 };
  50
  51 } // namespace
  52
  53 bool cmTargetCompileOptionsCommand(std::vector<std::string> const& args,
  54                                    cmExecutionStatus& status)
  55 {
  56   return TargetCompileOptionsImpl(status).HandleArguments(
  57     args, "COMPILE_OPTIONS", TargetCompileOptionsImpl::PROCESS_BEFORE);
  58 }