fix bug in env settings

Source/cmGlobalGenerator.cxx

@@ -21,46 +21,11 @@
 
 cmGlobalGenerator::cmGlobalGenerator()
 {
-  // Save the environment variables CXX and CC
-  m_CXXEnvironment = getenv("CXX");
-  m_CCEnvironment = getenv("CC");
+// do nothing duh
 }
 
 cmGlobalGenerator::~cmGlobalGenerator()
 { 
-  // restore the original environment variables CXX and CC
-  // Restor CC
-  static char envCC[5000];
-  std::string env = "CC=";
-  if(m_CCEnvironment)
-    {
-    env += m_CCEnvironment;
-    }
-  std::string::size_type size = env.size();
-  if(size > 4999)
-    {
-    size = 4999;
-    }
-  strncpy(envCC, env.c_str(), size);
-  envCC[4999] = 0;
-  putenv(envCC); 
-  
-  // Restore CXX
-  static char envCXX[5000];
-  env = "CXX=";
-  if(m_CXXEnvironment)
-    {
-    env += m_CXXEnvironment;
-    }
-  size = env.size();
-  if(size > 4999)
-    {
-    size = 4999;
-    }
-  strncpy(envCXX, env.c_str(), size);
-  envCXX[4999] = 0;
-  putenv(envCXX);
-
   // Delete any existing cmLocalGenerators
   unsigned int i;
   for (i = 0; i < m_LocalGenerators.size(); ++i)

Source/cmGlobalGenerator.h

@@ -109,8 +109,6 @@ protected:
   
 private:
   std::map<cmStdString, bool> m_LanguageEnabled;
-  const char* m_CXXEnvironment;
-  const char* m_CCEnvironment;
 };
 
 #endif

Source/cmake.cxx

@@ -708,9 +708,46 @@ void cmake::SetGlobalGenerator(cmGlobalGenerator *gg)
   if (m_GlobalGenerator)
     {
     delete m_GlobalGenerator;
+    // restore the original environment variables CXX and CC
+    // Restor CC
+    static char envCC[5000];
+    std::string env = "CC=";
+    if(m_CCEnvironment)
+      {
+      env += m_CCEnvironment;
+      }
+    std::string::size_type size = env.size();
+    if(size > 4999)
+      {
+      size = 4999;
+      }
+    strncpy(envCC, env.c_str(), size);
+    envCC[4999] = 0;
+    putenv(envCC); 
+    
+    // Restore CXX
+    static char envCXX[5000];
+    env = "CXX=";
+    if(m_CXXEnvironment)
+      {
+      env += m_CXXEnvironment;
+      }
+    size = env.size();
+    if(size > 4999)
+      {
+      size = 4999;
+      }
+    strncpy(envCXX, env.c_str(), size);
+    envCXX[4999] = 0;
+    putenv(envCXX);
     }
+
   // set the new
   m_GlobalGenerator = gg;
+  // Save the environment variables CXX and CC
+  m_CXXEnvironment = getenv("CXX");
+  m_CCEnvironment = getenv("CC");    
+  
   // set the cmake instance just to be sure
   gg->SetCMakeInstance(this);
 }

Source/cmake.h

@@ -266,5 +266,7 @@ private:
   bool m_Local;
   bool m_InTryCompile;
   std::string m_CMakeCommand;
+  const char* m_CXXEnvironment;
+  const char* m_CCEnvironment;
 };