ENH: add new cmakedefine01 feature from bug report 2603

Source/cmMakefile.cxx

@@ -74,7 +74,8 @@ cmMakefile::cmMakefile()
   this->AddSourceGroup("Header Files", "\\.(h|h\\+\\+|hm|hpp|hxx|in|txx|inl)$");
   this->AddSourceGroup("CMake Rules", "\\.rule$");
   this->AddDefaultDefinitions();
-  m_cmDefineRegex.compile("#cmakedefine[ \t]*([A-Za-z_0-9]*)");
+  m_cmDefineRegex.compile("#cmakedefine[ \t]+([A-Za-z_0-9]*)");
+  m_cmDefine01Regex.compile("#cmakedefine01[ \t]+([A-Za-z_0-9]*)");
 
   this->PreOrder = false;
 }
@@ -2399,6 +2400,20 @@ void cmMakefile::ConfigureString(const std::string& input,
         output += " */";
         }
       }
+    else if(m_cmDefine01Regex.find(line))
+      {
+      const char* def = this->GetDefinition(m_cmDefine01Regex.match(1).c_str());
+      cmSystemTools::ReplaceString(line, "#cmakedefine01", "#define");
+      output += line;
+      if(!cmSystemTools::IsOff(def))
+        {
+        output += " 1";
+        }
+      else
+        {
+        output += " 0";
+        }
+      }
     else
       {
       output += line;

Source/cmMakefile.h

@@ -726,6 +726,7 @@ private:
   DefinitionMap::key_type  m_TemporaryDefinitionKey;
 
   cmsys::RegularExpression m_cmDefineRegex;
+  cmsys::RegularExpression m_cmDefine01Regex;
 
   std::map<cmStdString,cmStdString> m_Properties;
 

Tests/Complex/CMakeLists.txt

@@ -243,6 +243,8 @@ WHILE (while_var LESS 1000)
   SET(while_var ${while_var}0)
 ENDWHILE(while_var LESS 1000)
 
+SET(SHOULD_BE_ZERO )
+SET(SHOULD_BE_ONE 1)
 #
 # Configure file 
 # (plug vars to #define so that they can be tested)

Tests/Complex/Executable/complex.cxx

@@ -1114,7 +1114,22 @@ int main()
 #else
   cmFailed("Generated header included by non-generated source failed.");
 #endif
-  
+  if(SHOULD_BE_ZERO == 0)
+    {
+    cmPassed("cmakedefine01 is working for 0");
+    }
+  else
+    {
+    cmFailed("cmakedefine01 is not working for 0");
+    }  
+  if(SHOULD_BE_ONE == 1)
+    {
+    cmPassed("cmakedefine01 is working for 1");
+    }
+  else
+    {
+    cmFailed("cmakedefine01 is not working for 1");
+    }  
 #ifdef FORCE_TEST
   cmFailed("CMake SET CACHE FORCE");
 #else

Tests/Complex/cmTestConfigure.h.in

@@ -39,6 +39,8 @@
 #cmakedefine CMAKE_NO_ANSI_STRING_STREAM
 #cmakedefine CMAKE_NO_ANSI_FOR_SCOPE
 
+#cmakedefine01 SHOULD_BE_ZERO
+#cmakedefine01 SHOULD_BE_ONE
 // Needed to check for files
 
 #define BINARY_DIR "${Complex_BINARY_DIR}"

Tests/ComplexOneConfig/CMakeLists.txt

@@ -243,6 +243,8 @@ WHILE (while_var LESS 1000)
   SET(while_var ${while_var}0)
 ENDWHILE(while_var LESS 1000)
 
+SET(SHOULD_BE_ZERO )
+SET(SHOULD_BE_ONE 1)
 #
 # Configure file 
 # (plug vars to #define so that they can be tested)

Tests/ComplexOneConfig/Executable/complex.cxx

@@ -1114,7 +1114,22 @@ int main()
 #else
   cmFailed("Generated header included by non-generated source failed.");
 #endif
-  
+  if(SHOULD_BE_ZERO == 0)
+    {
+    cmPassed("cmakedefine01 is working for 0");
+    }
+  else
+    {
+    cmFailed("cmakedefine01 is not working for 0");
+    }  
+  if(SHOULD_BE_ONE == 1)
+    {
+    cmPassed("cmakedefine01 is working for 1");
+    }
+  else
+    {
+    cmFailed("cmakedefine01 is not working for 1");
+    }  
 #ifdef FORCE_TEST
   cmFailed("CMake SET CACHE FORCE");
 #else

Tests/ComplexOneConfig/cmTestConfigure.h.in

@@ -39,6 +39,8 @@
 #cmakedefine CMAKE_NO_ANSI_STRING_STREAM
 #cmakedefine CMAKE_NO_ANSI_FOR_SCOPE
 
+#cmakedefine01 SHOULD_BE_ZERO
+#cmakedefine01 SHOULD_BE_ONE
 // Needed to check for files
 
 #define BINARY_DIR "${Complex_BINARY_DIR}"

Tests/ComplexRelativePaths/CMakeLists.txt

@@ -243,6 +243,8 @@ WHILE (while_var LESS 1000)
   SET(while_var ${while_var}0)
 ENDWHILE(while_var LESS 1000)
 
+SET(SHOULD_BE_ZERO )
+SET(SHOULD_BE_ONE 1)
 #
 # Configure file 
 # (plug vars to #define so that they can be tested)

Tests/ComplexRelativePaths/Executable/complex.cxx

@@ -1114,7 +1114,22 @@ int main()
 #else
   cmFailed("Generated header included by non-generated source failed.");
 #endif
-  
+  if(SHOULD_BE_ZERO == 0)
+    {
+    cmPassed("cmakedefine01 is working for 0");
+    }
+  else
+    {
+    cmFailed("cmakedefine01 is not working for 0");
+    }  
+  if(SHOULD_BE_ONE == 1)
+    {
+    cmPassed("cmakedefine01 is working for 1");
+    }
+  else
+    {
+    cmFailed("cmakedefine01 is not working for 1");
+    }  
 #ifdef FORCE_TEST
   cmFailed("CMake SET CACHE FORCE");
 #else

Tests/ComplexRelativePaths/cmTestConfigure.h.in

@@ -39,6 +39,8 @@
 #cmakedefine CMAKE_NO_ANSI_STRING_STREAM
 #cmakedefine CMAKE_NO_ANSI_FOR_SCOPE
 
+#cmakedefine01 SHOULD_BE_ZERO
+#cmakedefine01 SHOULD_BE_ONE
 // Needed to check for files
 
 #define BINARY_DIR "${Complex_BINARY_DIR}"