Merge topic 'error-overloads'

99337d345b cmSystemTools::Error(): new overload accepting std::string

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !2845

23 files changed, 62 insertions, 54 deletions

diff --git a/Source/cmCPluginAPI.cxx b/Source/cmCPluginAPI.cxx
index 8ed43f9..811af56 100644
--- a/Source/cmCPluginAPI.cxx
+++ b/Source/cmCPluginAPI.cxx
@@ -720,7 +720,7 @@ void CCONV cmSourceFileSetName(void* arg, const char* name, const char* dir,
        ext != headerExts.end(); ++ext) {
     e << " ." << *ext;
   }
-  cmSystemTools::Error(e.str().c_str());
+  cmSystemTools::Error(e.str());
 }
 
 void CCONV cmSourceFileSetName2(void* arg, const char* name, const char* dir,
diff --git a/Source/cmCTest.cxx b/Source/cmCTest.cxx
index 4e2f275..989c7ee 100644
--- a/Source/cmCTest.cxx
+++ b/Source/cmCTest.cxx
@@ -2173,7 +2173,7 @@ int cmCTest::Run(std::vector<std::string>& args, std::string* output)
     // handle the simple commandline arguments
     std::string errormsg;
     if (!this->HandleCommandLineArguments(i, args, errormsg)) {
-      cmSystemTools::Error(errormsg.c_str());
+      cmSystemTools::Error(errormsg);
       return 1;
     }
 
diff --git a/Source/cmCacheManager.cxx b/Source/cmCacheManager.cxx
index e1d312b..a133914 100644
--- a/Source/cmCacheManager.cxx
+++ b/Source/cmCacheManager.cxx
@@ -123,7 +123,7 @@ bool cmCacheManager::LoadCache(const std::string& path, bool internal,
       std::ostringstream error;
       error << "Parse error in cache file " << cacheFile;
       error << " on line " << lineno << ". Offending entry: " << realbuffer;
-      cmSystemTools::Error(error.str().c_str());
+      cmSystemTools::Error(error.str());
     }
   }
   this->CacheMajorVersion = 0;
@@ -171,7 +171,7 @@ bool cmCacheManager::LoadCache(const std::string& path, bool internal,
               << " where CMakeCache.txt was created. This may result "
                  "in binaries being created in the wrong place. If you "
                  "are not sure, reedit the CMakeCache.txt";
-      cmSystemTools::Error(message.str().c_str());
+      cmSystemTools::Error(message.str());
     }
   }
   return true;
diff --git a/Source/cmComputeLinkInformation.cxx b/Source/cmComputeLinkInformation.cxx
index 87bc150..c68bb21 100644
--- a/Source/cmComputeLinkInformation.cxx
+++ b/Source/cmComputeLinkInformation.cxx
@@ -1237,7 +1237,7 @@ void cmComputeLinkInformation::AddFrameworkItem(std::string const& item)
     std::ostringstream e;
     e << "Could not parse framework path \"" << item << "\" "
       << "linked by target " << this->Target->GetName() << ".";
-    cmSystemTools::Error(e.str().c_str());
+    cmSystemTools::Error(e.str());
     return;
   }
 
diff --git a/Source/cmComputeTargetDepends.cxx b/Source/cmComputeTargetDepends.cxx
index fde9750..1d20cff 100644
--- a/Source/cmComputeTargetDepends.cxx
+++ b/Source/cmComputeTargetDepends.cxx
@@ -495,7 +495,7 @@ void cmComputeTargetDepends::ComplainAboutBadComponent(
     e << "At least one of these targets is not a STATIC_LIBRARY.  "
       << "Cyclic dependencies are allowed only among static libraries.";
   }
-  cmSystemTools::Error(e.str().c_str());
+  cmSystemTools::Error(e.str());
 }
 
 bool cmComputeTargetDepends::IntraComponent(std::vector<int> const& cmap,
diff --git a/Source/cmExportFileGenerator.cxx b/Source/cmExportFileGenerator.cxx
index c6b66a3..c8f743a 100644
--- a/Source/cmExportFileGenerator.cxx
+++ b/Source/cmExportFileGenerator.cxx
@@ -83,7 +83,7 @@ bool cmExportFileGenerator::GenerateImportFile()
     std::string se = cmSystemTools::GetLastSystemError();
     std::ostringstream e;
     e << "cannot write to file \"" << this->MainImportFile << "\": " << se;
-    cmSystemTools::Error(e.str().c_str());
+    cmSystemTools::Error(e.str());
     return false;
   }
   std::ostream& os = *foutPtr;
diff --git a/Source/cmExportInstallFileGenerator.cxx b/Source/cmExportInstallFileGenerator.cxx
index 3821144..f8bc0ab 100644
--- a/Source/cmExportInstallFileGenerator.cxx
+++ b/Source/cmExportInstallFileGenerator.cxx
@@ -54,7 +54,7 @@ bool cmExportInstallFileGenerator::GenerateMainFile(std::ostream& os)
           << "\" ...) "
           << "includes target \"" << te->Target->GetName()
           << "\" more than once in the export set.";
-        cmSystemTools::Error(e.str().c_str());
+        cmSystemTools::Error(e.str());
         return false;
       }
     }
@@ -112,7 +112,7 @@ bool cmExportInstallFileGenerator::GenerateMainFile(std::ostream& os)
 
     std::string errorMessage;
     if (!this->PopulateExportProperties(gt, properties, errorMessage)) {
-      cmSystemTools::Error(errorMessage.c_str());
+      cmSystemTools::Error(errorMessage);
       return false;
     }
 
@@ -294,7 +294,7 @@ bool cmExportInstallFileGenerator::GenerateImportFileConfig(
     std::string se = cmSystemTools::GetLastSystemError();
     std::ostringstream e;
     e << "cannot write to file \"" << fileName << "\": " << se;
-    cmSystemTools::Error(e.str().c_str());
+    cmSystemTools::Error(e.str());
     return false;
   }
   std::ostream& os = exportFileStream;
@@ -518,7 +518,7 @@ void cmExportInstallFileGenerator::ComplainAboutMissingTarget(
     e << "that is not in this export set, but " << occurrences
       << " times in others.";
   }
-  cmSystemTools::Error(e.str().c_str());
+  cmSystemTools::Error(e.str());
 }
 
 std::string cmExportInstallFileGenerator::InstallNameDir(
diff --git a/Source/cmGeneratorTarget.cxx b/Source/cmGeneratorTarget.cxx
index 0e3ace3..e028d8d 100644
--- a/Source/cmGeneratorTarget.cxx
+++ b/Source/cmGeneratorTarget.cxx
@@ -203,7 +203,7 @@ std::string cmGeneratorTarget::GetExportName() const
       std::ostringstream e;
       e << "EXPORT_NAME property \"" << exportName << "\" for \""
         << this->GetName() << "\": is not valid.";
-      cmSystemTools::Error(e.str().c_str());
+      cmSystemTools::Error(e.str());
       return "";
     }
     return exportName;
@@ -4587,7 +4587,7 @@ PropertyType checkInterfacePropertyCompatibility(cmGeneratorTarget const* tgt,
             << " property requirement\nof "
                "dependency \""
             << theTarget->GetName() << "\".\n";
-          cmSystemTools::Error(e.str().c_str());
+          cmSystemTools::Error(e.str());
           break;
         }
         propContent = consistent.second;
@@ -4612,7 +4612,7 @@ PropertyType checkInterfacePropertyCompatibility(cmGeneratorTarget const* tgt,
                "already. The INTERFACE_"
             << p << " property on\ndependency \"" << theTarget->GetName()
             << "\" is in conflict.\n";
-          cmSystemTools::Error(e.str().c_str());
+          cmSystemTools::Error(e.str());
           break;
         }
         propContent = consistent.second;
@@ -4632,7 +4632,7 @@ PropertyType checkInterfacePropertyCompatibility(cmGeneratorTarget const* tgt,
           e << "The INTERFACE_" << p << " property of \""
             << theTarget->GetName() << "\" does\nnot agree with the value of "
             << p << " already determined\nfor \"" << tgt->GetName() << "\".\n";
-          cmSystemTools::Error(e.str().c_str());
+          cmSystemTools::Error(e.str());
           break;
         }
         propContent = consistent.second;
diff --git a/Source/cmGlobVerificationManager.cxx b/Source/cmGlobVerificationManager.cxx
index e8959f2..478f725 100644
--- a/Source/cmGlobVerificationManager.cxx
+++ b/Source/cmGlobVerificationManager.cxx
@@ -165,7 +165,7 @@ void cmGlobVerificationManager::AddCacheEntry(
       message << "\n  " << std::get<0>(bt);
       std::get<1>(bt).PrintTitle(message);
     }
-    cmSystemTools::Error(message.str().c_str());
+    cmSystemTools::Error(message.str());
   } else {
     value.Backtraces.emplace_back(variable, backtrace);
   }
diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index b2b0e38..ca96ebc 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -364,7 +364,7 @@ bool cmGlobalGenerator::FindMakeProgram(cmMakefile* mf)
     err << "CMake was unable to find a build program corresponding to \""
         << this->GetName() << "\".  CMAKE_MAKE_PROGRAM is not set.  You "
         << "probably need to select a different build tool.";
-    cmSystemTools::Error(err.str().c_str());
+    cmSystemTools::Error(err.str());
     cmSystemTools::SetFatalErrorOccured();
     return false;
   }
@@ -1282,7 +1282,7 @@ bool cmGlobalGenerator::CheckALLOW_DUPLICATE_CUSTOM_TARGETS() const
     << "duplicate custom targets.  "
     << "Consider using a Makefiles generator or fix the project to not "
     << "use duplicate target names.";
-  cmSystemTools::Error(e.str().c_str());
+  cmSystemTools::Error(e.str());
   return false;
 }
 
diff --git a/Source/cmGlobalGhsMultiGenerator.cxx b/Source/cmGlobalGhsMultiGenerator.cxx
index 557efec..7963c8a 100644
--- a/Source/cmGlobalGhsMultiGenerator.cxx
+++ b/Source/cmGlobalGhsMultiGenerator.cxx
@@ -93,7 +93,7 @@ bool cmGlobalGhsMultiGenerator::SetGeneratorToolset(std::string const& ts,
     message += prevTool;
     message += "\nEither remove the CMakeCache.txt file and CMakeFiles "
                "directory or choose a different binary directory.";
-    cmSystemTools::Error(message.c_str());
+    cmSystemTools::Error(message);
     return false;
   } else {
     /* store the toolset that is being used for this build */
@@ -178,7 +178,7 @@ void cmGlobalGhsMultiGenerator::GetToolset(cmMakefile* mf, std::string& tsd,
     if (output.empty()) {
       std::string msg =
         "No GHS toolsets found in GHS_TOOLSET_ROOT \"" + tsd + "\".";
-      cmSystemTools::Error(msg.c_str());
+      cmSystemTools::Error(msg);
       tsd = "";
     } else {
       tsd += output.back();
@@ -189,7 +189,7 @@ void cmGlobalGhsMultiGenerator::GetToolset(cmMakefile* mf, std::string& tsd,
     tryPath = cmSystemTools::CollapseCombinedPath(tsd, ts);
     if (!cmSystemTools::FileExists(tryPath)) {
       std::string msg = "GHS toolset \"" + tryPath + "\" not found.";
-      cmSystemTools::Error(msg.c_str());
+      cmSystemTools::Error(msg);
       tsd = "";
     } else {
       tsd = tryPath;
diff --git a/Source/cmGlobalVisualStudio71Generator.cxx b/Source/cmGlobalVisualStudio71Generator.cxx
index 16796cf..8e67fad 100644
--- a/Source/cmGlobalVisualStudio71Generator.cxx
+++ b/Source/cmGlobalVisualStudio71Generator.cxx
@@ -149,7 +149,7 @@ void cmGlobalVisualStudio71Generator::WriteProjectDepends(
       m += target->GetName();
       m += " depends on unknown target: ";
       m += name;
-      cmSystemTools::Error(m.c_str());
+      cmSystemTools::Error(m);
     }
     fout << "\t\t{" << guid << "} = {" << guid << "}\n";
   }
diff --git a/Source/cmInstallExportGenerator.cxx b/Source/cmInstallExportGenerator.cxx
index 4cc081c..98a895e 100644
--- a/Source/cmInstallExportGenerator.cxx
+++ b/Source/cmInstallExportGenerator.cxx
@@ -127,7 +127,7 @@ void cmInstallExportGenerator::GenerateScript(std::ostream& os)
     std::ostringstream e;
     e << "INSTALL(EXPORT) given unknown export \"" << ExportSet->GetName()
       << "\"";
-    cmSystemTools::Error(e.str().c_str());
+    cmSystemTools::Error(e.str());
     return;
   }
 
diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index 3771737..62aff99 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -1794,7 +1794,7 @@ static void AddVisibilityCompileOption(std::string& flags,
     std::ostringstream e;
     e << "Target " << target->GetName() << " uses unsupported value \"" << prop
       << "\" for " << flagDefine << ".";
-    cmSystemTools::Error(e.str().c_str());
+    cmSystemTools::Error(e.str());
     return;
   }
   std::string option = std::string(opt) + prop;
@@ -2800,7 +2800,7 @@ void cmLocalGenerator::GenerateAppleInfoPList(cmGeneratorTarget* target,
     std::ostringstream e;
     e << "Target " << target->GetName() << " Info.plist template \"" << inFile
       << "\" could not be found.";
-    cmSystemTools::Error(e.str().c_str());
+    cmSystemTools::Error(e.str());
     return;
   }
 
@@ -2838,7 +2838,7 @@ void cmLocalGenerator::GenerateFrameworkInfoPList(
     std::ostringstream e;
     e << "Target " << target->GetName() << " Info.plist template \"" << inFile
       << "\" could not be found.";
-    cmSystemTools::Error(e.str().c_str());
+    cmSystemTools::Error(e.str());
     return;
   }
 
diff --git a/Source/cmOutputRequiredFilesCommand.cxx b/Source/cmOutputRequiredFilesCommand.cxx
index ab1e699..ff1e027 100644
--- a/Source/cmOutputRequiredFilesCommand.cxx
+++ b/Source/cmOutputRequiredFilesCommand.cxx
@@ -194,7 +194,7 @@ protected:
             message += includeFile;
             message += " for file ";
             message += info->FullPath;
-            cmSystemTools::Error(message.c_str(), nullptr);
+            cmSystemTools::Error(message);
           }
           continue;
         }
diff --git a/Source/cmQtAutoGenInitializer.cxx b/Source/cmQtAutoGenInitializer.cxx
index 47f7d73..d37e5f5 100644
--- a/Source/cmQtAutoGenInitializer.cxx
+++ b/Source/cmQtAutoGenInitializer.cxx
@@ -111,7 +111,7 @@ static bool AddToSourceGroup(cmMakefile* makefile, std::string const& fileName,
         ost << ": " << property;
         ost << ": Could not find or create the source group ";
         ost << cmQtAutoGen::Quoted(groupName);
-        cmSystemTools::Error(ost.str().c_str());
+        cmSystemTools::Error(ost.str());
         return false;
       }
     }
@@ -941,7 +941,7 @@ bool cmQtAutoGenInitializer::InitScanFiles()
       if (!qrc.Generated) {
         std::string error;
         if (!RccListInputs(qrc.QrcFile, qrc.Resources, error)) {
-          cmSystemTools::Error(error.c_str());
+          cmSystemTools::Error(error);
           return false;
         }
       }
@@ -1219,7 +1219,7 @@ bool cmQtAutoGenInitializer::SetupCustomTargets()
   if (!cmSystemTools::MakeDirectory(this->Dir.Info)) {
     std::string emsg = ("AutoGen: Could not create directory: ");
     emsg += Quoted(this->Dir.Info);
-    cmSystemTools::Error(emsg.c_str());
+    cmSystemTools::Error(emsg);
     return false;
   }
 
@@ -1307,7 +1307,7 @@ bool cmQtAutoGenInitializer::SetupWriteAutogenInfo()
   } else {
     std::string err = "AutoGen: Could not write file ";
     err += this->AutogenTarget.InfoFile;
-    cmSystemTools::Error(err.c_str());
+    cmSystemTools::Error(err);
     return false;
   }
 
@@ -1347,7 +1347,7 @@ bool cmQtAutoGenInitializer::SetupWriteRccInfo()
     } else {
       std::string err = "AutoRcc: Could not write file ";
       err += qrc.InfoFile;
-      cmSystemTools::Error(err.c_str());
+      cmSystemTools::Error(err);
       return false;
     }
   }
@@ -1512,7 +1512,7 @@ std::pair<bool, std::string> GetQtExecutable(
     msg += target->GetName();
     msg += "): ";
     msg += err;
-    cmSystemTools::Error(msg.c_str());
+    cmSystemTools::Error(msg);
     return std::make_pair(false, "");
   }
 
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index 9abc5f3..2d98a7d 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -270,6 +270,13 @@ void cmSystemTools::Error(const char* m1, const char* m2, const char* m3,
   cmSystemTools::Message(message.c_str(), "Error");
 }
 
+void cmSystemTools::Error(const std::string& m)
+{
+  std::string message = "CMake Error: " + m;
+  cmSystemTools::s_ErrorOccured = true;
+  cmSystemTools::Message(message.c_str(), "Error");
+}
+
 void cmSystemTools::SetInterruptCallback(InterruptCallback f, void* clientData)
 {
   s_InterruptCallback = f;
@@ -338,7 +345,7 @@ void cmSystemTools::ReportLastSystemError(const char* msg)
   std::string m = msg;
   m += ": System Error: ";
   m += Superclass::GetLastSystemError();
-  cmSystemTools::Error(m.c_str());
+  cmSystemTools::Error(m);
 }
 
 bool cmSystemTools::IsInternallyOn(const char* val)
@@ -549,7 +556,7 @@ std::vector<std::string> cmSystemTools::HandleResponseFile(
         error += cmSystemTools::GetLastSystemError();
         error += "):\n  ";
         error += arg.substr(1);
-        cmSystemTools::Error(error.c_str());
+        cmSystemTools::Error(error);
       } else {
         std::string line;
         cmSystemTools::GetLineFromStream(responseFile, line);
@@ -1651,7 +1658,7 @@ bool cmSystemTools::CreateTar(const char* outFileName,
     e += outFileName;
     e += "\": ";
     e += cmSystemTools::GetLastSystemError();
-    cmSystemTools::Error(e.c_str());
+    cmSystemTools::Error(e);
     return false;
   }
   cmArchiveWrite::Compress compress = cmArchiveWrite::CompressNone;
@@ -1684,7 +1691,7 @@ bool cmSystemTools::CreateTar(const char* outFileName,
     }
   }
   if (!a) {
-    cmSystemTools::Error(a.GetError().c_str());
+    cmSystemTools::Error(a.GetError());
     return false;
   }
   return true;
@@ -3120,7 +3127,7 @@ bool cmSystemTools::CreateSymlink(const std::string& origName,
     if (errorMessage) {
       *errorMessage = std::move(e);
     } else {
-      cmSystemTools::Error(e.c_str());
+      cmSystemTools::Error(e);
     }
     return false;
   }
@@ -3141,7 +3148,7 @@ bool cmSystemTools::CreateLink(const std::string& origName,
     if (errorMessage) {
       *errorMessage = std::move(e);
     } else {
-      cmSystemTools::Error(e.c_str());
+      cmSystemTools::Error(e);
     }
     return false;
   }
diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index 7a209c6..9d872d1 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -70,6 +70,7 @@ public:
    */
   static void Error(const char* m, const char* m2 = nullptr,
                     const char* m3 = nullptr, const char* m4 = nullptr);
+  static void Error(const std::string& m);
 
   /**
    * Display a message.
diff --git a/Source/cmTryRunCommand.cxx b/Source/cmTryRunCommand.cxx
index 10a6d9a..0a657f7 100644
--- a/Source/cmTryRunCommand.cxx
+++ b/Source/cmTryRunCommand.cxx
@@ -121,7 +121,7 @@ bool cmTryRunCommand::InitialPass(std::vector<std::string> const& argv,
   // now try running the command if it compiled
   if (!res) {
     if (this->OutputFile.empty()) {
-      cmSystemTools::Error(this->FindErrorMessage.c_str());
+      cmSystemTools::Error(this->FindErrorMessage);
     } else {
       // "run" it and capture the output
       std::string runOutputContents;
@@ -354,7 +354,7 @@ void cmTryRunCommand::DoNotRunExecutable(const std::string& runArgs,
       errorMessage += "   " + internalRunOutputName + " (advanced)\n";
     }
     errorMessage += detailsString;
-    cmSystemTools::Error(errorMessage.c_str());
+    cmSystemTools::Error(errorMessage);
     return;
   }
 
diff --git a/Source/cmVariableRequiresCommand.cxx b/Source/cmVariableRequiresCommand.cxx
index 06ca53c..c02157a 100644
--- a/Source/cmVariableRequiresCommand.cxx
+++ b/Source/cmVariableRequiresCommand.cxx
@@ -57,7 +57,7 @@ bool cmVariableRequiresCommand::InitialPass(
         "One or more of the required variables is advanced."
         "  To set the variable, you must turn on advanced mode in cmake.";
     }
-    cmSystemTools::Error(message.c_str());
+    cmSystemTools::Error(message);
   }
 
   return true;
diff --git a/Source/cmVariableWatchCommand.cxx b/Source/cmVariableWatchCommand.cxx
index 03e0059..975d6e4 100644
--- a/Source/cmVariableWatchCommand.cxx
+++ b/Source/cmVariableWatchCommand.cxx
@@ -60,7 +60,7 @@ static void cmVariableWatchCommandVariableAccessed(const std::string& variable,
       error << "Error in cmake code at\nUnknown:0:\n"
             << "A command failed during the invocation of callback \""
             << data->Command << "\".";
-      cmSystemTools::Error(error.str().c_str());
+      cmSystemTools::Error(error.str());
       data->InCallback = false;
       return;
     }
diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 914c3b0..1261fff 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -1172,7 +1172,7 @@ int cmake::DoPreConfigureChecks()
     }
     err << "Specify --help for usage, or press the help button on the CMake "
            "GUI.";
-    cmSystemTools::Error(err.str().c_str());
+    cmSystemTools::Error(err.str());
     return -2;
   }
 
@@ -1190,7 +1190,7 @@ int cmake::DoPreConfigureChecks()
       message += cacheStart;
       message += "\" used to generate cache.  ";
       message += "Re-run cmake with a different source directory.";
-      cmSystemTools::Error(message.c_str());
+      cmSystemTools::Error(message);
       return -2;
     }
   } else {
@@ -1400,7 +1400,7 @@ int cmake::ActualConfigure()
       message += *genName;
       message += "\nEither remove the CMakeCache.txt file and CMakeFiles "
                  "directory or choose a different binary directory.";
-      cmSystemTools::Error(message.c_str());
+      cmSystemTools::Error(message);
       return -2;
     }
   }
@@ -1424,7 +1424,7 @@ int cmake::ActualConfigure()
       message += *instance;
       message += "\nEither remove the CMakeCache.txt file and CMakeFiles "
                  "directory or choose a different binary directory.";
-      cmSystemTools::Error(message.c_str());
+      cmSystemTools::Error(message);
       return -2;
     }
   } else {
@@ -1443,7 +1443,7 @@ int cmake::ActualConfigure()
       message += *platformName;
       message += "\nEither remove the CMakeCache.txt file and CMakeFiles "
                  "directory or choose a different binary directory.";
-      cmSystemTools::Error(message.c_str());
+      cmSystemTools::Error(message);
       return -2;
     }
   } else {
@@ -1461,7 +1461,7 @@ int cmake::ActualConfigure()
       message += *tsName;
       message += "\nEither remove the CMakeCache.txt file and CMakeFiles "
                  "directory or choose a different binary directory.";
-      cmSystemTools::Error(message.c_str());
+      cmSystemTools::Error(message);
       return -2;
     }
   } else {
diff --git a/Source/cmcmd.cxx b/Source/cmcmd.cxx
index cb59034..f5769f6 100644
--- a/Source/cmcmd.cxx
+++ b/Source/cmcmd.cxx
@@ -123,7 +123,7 @@ void CMakeCommandUsage(const char* program)
     ;
   /* clang-format on */
 
-  cmSystemTools::Error(errorStream.str().c_str());
+  cmSystemTools::Error(errorStream.str());
 }
 
 static bool cmTarFilesFrom(std::string const& file,
@@ -132,14 +132,14 @@ static bool cmTarFilesFrom(std::string const& file,
   if (cmSystemTools::FileIsDirectory(file)) {
     std::ostringstream e;
     e << "-E tar --files-from= file '" << file << "' is a directory";
-    cmSystemTools::Error(e.str().c_str());
+    cmSystemTools::Error(e.str());
     return false;
   }
   cmsys::ifstream fin(file.c_str());
   if (!fin) {
     std::ostringstream e;
     e << "-E tar --files-from= file '" << file << "' not found";
-    cmSystemTools::Error(e.str().c_str());
+    cmSystemTools::Error(e.str());
     return false;
   }
   std::string line;
@@ -153,7 +153,7 @@ static bool cmTarFilesFrom(std::string const& file,
       std::ostringstream e;
       e << "-E tar --files-from='" << file << "' file invalid line:\n"
         << line << "\n";
-      cmSystemTools::Error(e.str().c_str());
+      cmSystemTools::Error(e.str());
       return false;
     } else {
       files.push_back(line);
@@ -1172,7 +1172,7 @@ int cmcmd::ExecuteCMakeCommand(std::vector<std::string>& args)
       if (server.Serve(&errorMessage)) {
         return 0;
       }
-      cmSystemTools::Error(errorMessage.c_str());
+      cmSystemTools::Error(errorMessage);
 #else
       static_cast<void>(supportExperimental);
       static_cast<void>(isDebug);