1 files changed, 127 insertions, 0 deletions
diff --git a/Source/cmUtilitySourceCommand.cxx b/Source/cmUtilitySourceCommand.cxx
new file mode 100644
index 0000000..6ea3dfa
--- /dev/null
+++ b/Source/cmUtilitySourceCommand.cxx
@@ -0,0 +1,127 @@
+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+#include "cmUtilitySourceCommand.h"
+
+// cmUtilitySourceCommand
+bool cmUtilitySourceCommand
+::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
+{
+  if(args.size() < 3)
+    {
+    this->SetError("called with incorrect number of arguments");
+    return false;
+    }
+
+  std::vector<std::string>::const_iterator arg = args.begin();
+
+  // The first argument is the cache entry name.
+  std::string cacheEntry = *arg++;
+  const char* cacheValue =
+    this->Makefile->GetDefinition(cacheEntry.c_str());
+  // If it exists already and appears up to date then we are done.  If
+  // the string contains "(IntDir)" but that is not the
+  // CMAKE_CFG_INTDIR setting then the value is out of date.
+  const char* intDir =
+    this->Makefile->GetRequiredDefinition("CMAKE_CFG_INTDIR");
+
+  bool haveCacheValue = false;
+  if (this->Makefile->IsOn("CMAKE_CROSSCOMPILING"))
+    {
+    haveCacheValue = (cacheValue != 0);
+    if (!haveCacheValue)
+      {
+      std::string msg = "UTILITY_SOURCE is used in cross compiling mode for ";
+      msg += cacheEntry;
+      msg += ". If your intention is to run this executable, you need to "
+            "preload the cache with the full path to a version of that "
+            "program, which runs on this build machine.";
+      cmSystemTools::Message(msg.c_str() ,"Warning");
+      }
+    }
+  else
+    {
+    haveCacheValue = (cacheValue &&
+     (strstr(cacheValue, "(IntDir)") == 0 ||
+      (intDir && strcmp(intDir, "$(IntDir)") == 0)) &&
+     (this->Makefile->GetCacheMajorVersion() != 0 &&
+      this->Makefile->GetCacheMinorVersion() != 0 ));
+    }
+
+  if(haveCacheValue)
+    {
+    return true;
+    }
+
+  // The second argument is the utility's executable name, which will be
+  // needed later.
+  std::string utilityName = *arg++;
+
+  // The third argument specifies the relative directory of the source
+  // of the utility.
+  std::string relativeSource = *arg++;
+  std::string utilitySource = this->Makefile->GetCurrentDirectory();
+  utilitySource = utilitySource+"/"+relativeSource;
+
+  // If the directory doesn't exist, the source has not been included.
+  if(!cmSystemTools::FileExists(utilitySource.c_str()))
+    { return true; }
+
+  // Make sure all the files exist in the source directory.
+  while(arg != args.end())
+    {
+    std::string file = utilitySource+"/"+*arg++;
+    if(!cmSystemTools::FileExists(file.c_str()))
+      { return true; }
+    }
+
+  // The source exists.
+  std::string cmakeCFGout =
+    this->Makefile->GetRequiredDefinition("CMAKE_CFG_INTDIR");
+  std::string utilityDirectory = this->Makefile->GetCurrentOutputDirectory();
+  std::string exePath;
+  if (this->Makefile->GetDefinition("EXECUTABLE_OUTPUT_PATH"))
+    {
+    exePath = this->Makefile->GetDefinition("EXECUTABLE_OUTPUT_PATH");
+    }
+  if(exePath.size())
+    {
+    utilityDirectory = exePath;
+    }
+  else
+    {
+    utilityDirectory += "/"+relativeSource;
+    }
+
+  // Construct the cache entry for the executable's location.
+  std::string utilityExecutable =
+    utilityDirectory+"/"+cmakeCFGout+"/"
+    +utilityName+this->Makefile->GetDefinition("CMAKE_EXECUTABLE_SUFFIX");
+
+  // make sure we remove any /./ in the name
+  cmSystemTools::ReplaceString(utilityExecutable, "/./", "/");
+
+  // Enter the value into the cache.
+  this->Makefile->AddCacheDefinition(cacheEntry.c_str(),
+                                 utilityExecutable.c_str(),
+                                 "Path to an internal program.",
+                                 cmCacheManager::FILEPATH);
+  // add a value into the cache that maps from the
+  // full path to the name of the project
+  cmSystemTools::ConvertToUnixSlashes(utilityExecutable);
+  this->Makefile->AddCacheDefinition(utilityExecutable.c_str(),
+                                 utilityName.c_str(),
+                                 "Executable to project name.",
+                                 cmCacheManager::INTERNAL);
+
+  return true;
+}
+