ENH:Reworked CMake for consistency

1 files changed, 80 insertions, 0 deletions

diff --git a/Source/cmFindProgramCommand.cxx b/Source/cmFindProgramCommand.cxx
new file mode 100644
index 0000000..1c0d6e1
--- /dev/null
+++ b/Source/cmFindProgramCommand.cxx
@@ -0,0 +1,80 @@
+/*=========================================================================
+
+  Program:   Insight Segmentation & Registration Toolkit
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) 2000 National Library of Medicine
+  All rights reserved.
+
+  See COPYRIGHT.txt for copyright details.
+
+=========================================================================*/
+#include "cmFindProgramCommand.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+static void GetPath(std::vector<std::string>& path)
+{
+#if defined(_WIN32) && !defined(__CYGWIN__)
+  char* pathSep = ";";
+#else
+  char* pathSep = ":";
+#endif
+  std::string pathEnv = getenv("PATH");
+  std::string::size_type start =0;
+  bool done = false;
+  while(!done)
+    {
+    std::string::size_type endpos = pathEnv.find(pathSep, start);
+    if(endpos != std::string::npos)
+      {
+      path.push_back(pathEnv.substr(start, endpos-start));
+      start = endpos+1;
+      }
+    else
+      {
+      done = true;
+      }
+    }
+}
+
+  
+
+// cmFindProgramCommand
+bool cmFindProgramCommand::Invoke(std::vector<std::string>& args)
+{
+  if(args.size() < 2 )
+    {
+    this->SetError("called with incorrect number of arguments");
+    return false;
+    }
+
+  std::vector<std::string> path;
+  GetPath(path);
+  std::vector<std::string>::iterator i = args.begin();
+  const char* define = (*i).c_str();
+  i++;
+  for(; i != args.end(); ++i)
+    {
+    for(int k=0; k < path.size(); k++)
+      {
+      std::string tryPath = path[k];
+      tryPath += "/";
+      tryPath += *i;
+#ifdef _WIN32
+      tryPath += ".exe";
+#endif
+      if(cmSystemTools::FileExists(tryPath.c_str()))
+        {
+        m_Makefile->AddDefinition(define, tryPath.c_str());
+        return true;
+        }
+      }
+    }
+  return false;
+}
+