cmSystemTools::Error(): remove const char* overload

Source/CTest/cmCTestScriptHandler.cxx

@@ -447,7 +447,8 @@ int cmCTestScriptHandler::ExtractVariables()
     if (updateVal) {
       if (this->UpdateCmd.empty()) {
         cmSystemTools::Error(
-          updateVar, " specified without specifying CTEST_CVS_COMMAND.");
+          std::string(updateVar) +
+          " specified without specifying CTEST_CVS_COMMAND.");
         return 12;
       }
       this->ExtraUpdates.emplace_back(updateVal);

Source/CursesDialog/cmCursesCacheEntryComposite.cxx

@@ -83,7 +83,7 @@ cmCursesCacheEntryComposite::cmCursesCacheEntryComposite(
       break;
     }
     case cmStateEnums::UNINITIALIZED:
-      cmSystemTools::Error("Found an undefined variable: ", key.c_str());
+      cmSystemTools::Error("Found an undefined variable: " + key);
       break;
     default:
       // TODO : put warning message here

Source/cmCPluginAPI.cxx

@@ -167,8 +167,8 @@ void CCONV cmAddLinkDirectoryForTarget(void* arg, const char* tgt,
   cmTarget* t = mf->FindLocalNonAliasTarget(tgt);
   if (!t) {
     cmSystemTools::Error(
-      "Attempt to add link directories to non-existent target: ", tgt,
+      "Attempt to add link directories to non-existent target: " +
-      " for directory ", d);
+      std::string(tgt) + " for directory " + std::string(d));
     return;
   }
   t->InsertLinkDirectory(d, mf->GetBacktrace());

Source/cmCacheManager.cxx

@@ -308,8 +308,7 @@ bool cmCacheManager::SaveCache(const std::string& path, cmMessenger* messenger)
     if (!ce.Initialized) {
       /*
         // This should be added in, but is not for now.
-      cmSystemTools::Error("Cache entry \"", (*i).first.c_str(),
+      cmSystemTools::Error("Cache entry \"" + i.first + "\" is uninitialized");
-                           "\" is uninitialized");
       */
     } else if (t != cmStateEnums::INTERNAL) {
       // Format is key:type=value

Source/cmGlobalGenerator.cxx

@@ -1798,10 +1798,10 @@ int cmGlobalGenerator::Build(
   output += "\n";
   if (workdir.Failed()) {
     cmSystemTools::SetRunCommandHideConsole(hideconsole);
-    cmSystemTools::Error("Failed to change directory: ",
+    std::string err = "Failed to change directory: ";
-                         std::strerror(workdir.GetLastResult()));
+    err += std::strerror(workdir.GetLastResult());
-    output += "Failed to change directory: ";
+    cmSystemTools::Error(err);
-    output += std::strerror(workdir.GetLastResult());
+    output += err;
     output += "\n";
     return 1;
   }

Source/cmInstallExportAndroidMKGenerator.cxx

@@ -44,7 +44,7 @@ void cmInstallExportAndroidMKGenerator::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;
   }
 

Source/cmLocalUnixMakefileGenerator3.cxx

@@ -501,8 +501,11 @@ void cmLocalUnixMakefileGenerator3::WriteMakeRule(
 {
   // Make sure there is a target.
   if (target.empty()) {
-    cmSystemTools::Error("No target for WriteMakeRule! called with comment: ",
+    std::string err("No target for WriteMakeRule! called with comment: ");
-                         comment);
+    if (comment) {
+      err += comment;
+    }
+    cmSystemTools::Error(err);
     return;
   }
 

Source/cmSystemTools.cxx

@@ -249,26 +249,6 @@ std::string cmSystemTools::TrimWhitespace(const std::string& s)
   return std::string(start, stop + 1);
 }
 
-void cmSystemTools::Error(const char* m1, const char* m2, const char* m3,
-                          const char* m4)
-{
-  std::string message = "CMake Error: ";
-  if (m1) {
-    message += m1;
-  }
-  if (m2) {
-    message += m2;
-  }
-  if (m3) {
-    message += m3;
-  }
-  if (m4) {
-    message += m4;
-  }
-  cmSystemTools::s_ErrorOccured = true;
-  cmSystemTools::Message(message, "Error");
-}
-
 void cmSystemTools::Error(const std::string& m)
 {
   std::string message = "CMake Error: " + m;
@@ -1746,6 +1726,16 @@ void list_item_verbose(FILE* out, struct archive_entry* entry)
   fflush(out);
 }
 
+void ArchiveError(const char* m1, struct archive* a)
+{
+  std::string message(m1);
+  const char* m2 = archive_error_string(a);
+  if (m2) {
+    message += m2;
+  }
+  cmSystemTools::Error(message);
+}
+
 bool la_diagnostic(struct archive* ar, __LA_SSIZE_T r)
 {
   // See archive.h definition of ARCHIVE_OK for return values.
@@ -1815,8 +1805,7 @@ bool extract_tar(const char* outFileName, bool verbose, bool extract)
   struct archive_entry* entry;
   int r = cm_archive_read_open_file(a, outFileName, 10240);
   if (r) {
-    cmSystemTools::Error("Problem with archive_read_open_file(): ",
+    ArchiveError("Problem with archive_read_open_file(): ", a);
-                         archive_error_string(a));
     archive_write_free(ext);
     archive_read_close(a);
     return false;
@@ -1827,8 +1816,7 @@ bool extract_tar(const char* outFileName, bool verbose, bool extract)
       break;
     }
     if (r != ARCHIVE_OK) {
-      cmSystemTools::Error("Problem with archive_read_next_header(): ",
+      ArchiveError("Problem with archive_read_next_header(): ", a);
-                           archive_error_string(a));
       break;
     }
     if (verbose) {
@@ -1846,8 +1834,7 @@ bool extract_tar(const char* outFileName, bool verbose, bool extract)
     if (extract) {
       r = archive_write_disk_set_options(ext, ARCHIVE_EXTRACT_TIME);
       if (r != ARCHIVE_OK) {
-        cmSystemTools::Error("Problem with archive_write_disk_set_options(): ",
+        ArchiveError("Problem with archive_write_disk_set_options(): ", ext);
-                             archive_error_string(ext));
         break;
       }
 
@@ -1858,8 +1845,7 @@ bool extract_tar(const char* outFileName, bool verbose, bool extract)
         }
         r = archive_write_finish_entry(ext);
         if (r != ARCHIVE_OK) {
-          cmSystemTools::Error("Problem with archive_write_finish_entry(): ",
+          ArchiveError("Problem with archive_write_finish_entry(): ", ext);
-                               archive_error_string(ext));
           break;
         }
       }
@@ -1871,8 +1857,7 @@ bool extract_tar(const char* outFileName, bool verbose, bool extract)
       }
 #  endif
       else {
-        cmSystemTools::Error("Problem with archive_write_header(): ",
+        ArchiveError("Problem with archive_write_header(): ", ext);
-                             archive_error_string(ext));
         cmSystemTools::Error("Current file: " +
                              cm_archive_entry_pathname(entry));
         break;

Source/cmSystemTools.h

@@ -100,8 +100,6 @@ public:
   /**
    * Display an error message.
    */
-  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);
 
   /**