cmCTest: Remove dead code

The option 'ctest-config' is ignored.

Help/manual/ctest.1.rst

@@ -338,13 +338,6 @@ Options
 
  This is useful if the build will not finish in one day.
 
-``--ctest-config``
- The configuration file used to initialize CTest state when submitting dashboards.
-
- This option tells CTest to use different initialization file instead
- of CTestConfiguration.tcl.  This way multiple initialization files
- can be used for example to submit to multiple dashboards.
-
 ``--overwrite``
  Overwrite CTest configuration option.
 

Source/cmCTest.cxx

@@ -282,7 +282,6 @@ cmCTest::cmCTest()
   this->GlobalTimeout = 0;
   this->LastStopTimeout = 24 * 60 * 60;
   this->CompressXMLFiles = false;
-  this->CTestConfigFile.clear();
   this->ScheduleType.clear();
   this->StopTime.clear();
   this->NextDayStopTime = false;
@@ -623,12 +622,9 @@ bool cmCTest::UpdateCTestConfiguration()
   if (this->SuppressUpdatingCTestConfiguration) {
     return true;
   }
-  std::string fileName = this->CTestConfigFile;
-  if (fileName.empty()) {
-    fileName = this->BinaryDir + "/CTestConfiguration.ini";
-    if (!cmSystemTools::FileExists(fileName.c_str())) {
-      fileName = this->BinaryDir + "/DartConfiguration.tcl";
-    }
+  std::string fileName = this->BinaryDir + "/CTestConfiguration.ini";
+  if (!cmSystemTools::FileExists(fileName.c_str())) {
+    fileName = this->BinaryDir + "/DartConfiguration.tcl";
   }
   cmCTestLog(this, HANDLER_VERBOSE_OUTPUT,
              "UpdateCTestConfiguration  from :" << fileName << "\n");

Source/cmCTest.h

@@ -487,7 +487,6 @@ private:
   /** Map of configuration properties */
   typedef std::map<std::string, std::string> CTestConfigurationMap;
 
-  std::string CTestConfigFile;
   // TODO: The ctest configuration should be a hierarchy of
   // configuration option sources: command-line, script, ini file.
   // Then the ini file can get re-loaded whenever it changes without

Source/ctest.cxx

@@ -104,8 +104,6 @@ static const char* cmDocumentationOptions[][2] = {
   { "--test-timeout", "The time limit in seconds, internal use only." },
   { "--test-load", "CPU load threshold for starting new parallel tests." },
   { "--tomorrow-tag", "Nightly or experimental starts with next day tag." },
-  { "--ctest-config", "The configuration file used to initialize CTest state "
-                      "when submitting dashboards." },
   { "--overwrite", "Overwrite CTest configuration option." },
   { "--extra-submit <file>[;<file>]", "Submit extra files to the dashboard." },
   { "--force-new-ctest-process",