/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying

   file LICENSE.rst or https://cmake.org/licensing for details.  */

#include "cmAddDependenciesCommand.h"

#include "cmExecutionStatus.h"

#include "cmMakefile.h"

#include "cmMessageType.h"

#include "cmRange.h"

#include "cmStringAlgorithms.h"

#include "cmTarget.h"

bool cmAddDependenciesCommand(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();

  std::string const& target_name = args[0];

  if (mf.IsAlias(target_name)) {

    mf.IssueMessage(

      MessageType::FATAL_ERROR,

      cmStrCat("Cannot add target-level dependencies to alias target \"",

               target_name, "\".\n"));

  }

  if (cmTarget* target = mf.FindTargetToUse(target_name)) {

    // skip over target_name

    for (std::string const& arg : cmMakeRange(args).advance(1)) {

      target->AddUtility(arg, false, &mf);

      target->AddCodegenDependency(arg);

    }

  } else {

    mf.IssueMessage(

      MessageType::FATAL_ERROR,

      cmStrCat(

        "Cannot add target-level dependencies to non-existent "

        "target \"",

        target_name,

        "\".\nThe add_dependencies works for "

        "top-level logical targets created by the add_executable, "

        "add_library, or add_custom_target commands.  If you want to add "

        "file-level dependencies see the DEPENDS option of the "

        "add_custom_target and add_custom_command commands."));

  }

  return true;

}