Source/cmTargetCompileDefinitionsCommand.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 "cmTargetCompileDefinitionsCommand.h"
   4
   5 #include "cmListFileCache.h"
   6 #include "cmMakefile.h"
   7 #include "cmMessageType.h"
   8 #include "cmStringAlgorithms.h"
   9 #include "cmTarget.h"
  10 #include "cmTargetPropCommandBase.h"
  11
  12 namespace {
  13
  14 class TargetCompileDefinitionsImpl : public cmTargetPropCommandBase
  15 {
  16 public:
  17   using cmTargetPropCommandBase::cmTargetPropCommandBase;
  18
  19 private:
  20   void HandleMissingTarget(const std::string& name) override
  21   {
  22     this->Makefile->IssueMessage(
  23       MessageType::FATAL_ERROR,
  24       cmStrCat("Cannot specify compile definitions for target \"", name,
  25                "\" which is not built by this project."));
  26   }
  27
  28   bool HandleDirectContent(cmTarget* tgt,
  29                            const std::vector<std::string>& content,
  30                            bool /*prepend*/, bool /*system*/) override
  31   {
  32     tgt->AppendProperty("COMPILE_DEFINITIONS", this->Join(content),
  33                         this->Makefile->GetBacktrace());
  34     return true; // Successfully handled.
  35   }
  36
  37   std::string Join(const std::vector<std::string>& content) override
  38   {
  39     std::string defs;
  40     std::string sep;
  41     for (std::string const& it : content) {
  42       if (cmHasLiteralPrefix(it, "-D")) {
  43         defs += sep + it.substr(2);
  44       } else {
  45         defs += sep + it;
  46       }
  47       sep = ";";
  48     }
  49     return defs;
  50   }
  51 };
  52
  53 } // namespace
  54
  55 bool cmTargetCompileDefinitionsCommand(std::vector<std::string> const& args,
  56                                        cmExecutionStatus& status)
  57 {
  58   return TargetCompileDefinitionsImpl(status).HandleArguments(
  59     args, "COMPILE_DEFINITIONS");
  60 }