[lldb/CMake] Rename LLDB_DISABLE_PYTHON to LLDB_ENABLE_PYTHON

This matches the naming scheme used by LLVM and all the other optional
dependencies in LLDB.

Differential revision: https://reviews.llvm.org/D71482
diff --git a/lldb/source/API/CMakeLists.txt b/lldb/source/API/CMakeLists.txt
index 934bbf2..1a99a26 100644
--- a/lldb/source/API/CMakeLists.txt
+++ b/lldb/source/API/CMakeLists.txt
@@ -4,7 +4,7 @@
 
 get_property(LLDB_ALL_PLUGINS GLOBAL PROPERTY LLDB_PLUGINS)
 
-if(NOT LLDB_DISABLE_PYTHON)
+if(LLDB_ENABLE_PYTHON)
   get_target_property(lldb_scripts_dir swig_wrapper BINARY_DIR)
   set(lldb_python_wrapper ${lldb_scripts_dir}/LLDBWrapPython.cpp)
 endif()
@@ -154,7 +154,7 @@
 if ( CMAKE_SYSTEM_NAME MATCHES "Windows" )
   # Only MSVC has the ABI compatibility problem and avoids using FindPythonLibs,
   # so only it needs to explicitly link against ${PYTHON_LIBRARY}
-  if (MSVC AND NOT LLDB_DISABLE_PYTHON)
+  if (MSVC AND LLDB_ENABLE_PYTHON)
     target_link_libraries(liblldb PRIVATE ${PYTHON_LIBRARY})
   endif()
 else()
diff --git a/lldb/source/API/SBHostOS.cpp b/lldb/source/API/SBHostOS.cpp
index 2a1d17a..6ac8717 100644
--- a/lldb/source/API/SBHostOS.cpp
+++ b/lldb/source/API/SBHostOS.cpp
@@ -19,7 +19,7 @@
 #include "lldb/Utility/FileSpec.h"
 
 #include "Plugins/ExpressionParser/Clang/ClangHost.h"
-#ifndef LLDB_DISABLE_PYTHON
+#if LLDB_ENABLE_PYTHON
 #include "Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.h"
 #endif
 
@@ -61,7 +61,7 @@
     fspec = HostInfo::GetHeaderDir();
     break;
   case ePathTypePythonDir:
-#ifndef LLDB_DISABLE_PYTHON
+#if LLDB_ENABLE_PYTHON
     fspec = ScriptInterpreterPython::GetPythonDir();
 #endif
     break;
diff --git a/lldb/source/API/SystemInitializerFull.cpp b/lldb/source/API/SystemInitializerFull.cpp
index ffb302d..35a02ec 100644
--- a/lldb/source/API/SystemInitializerFull.cpp
+++ b/lldb/source/API/SystemInitializerFull.cpp
@@ -10,7 +10,7 @@
 #include "lldb/API/SBCommandInterpreter.h"
 #include "lldb/Host/Config.h"
 
-#if !defined(LLDB_DISABLE_PYTHON)
+#if LLDB_ENABLE_PYTHON
 #include "Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.h"
 #endif
 
@@ -179,11 +179,11 @@
 
   ScriptInterpreterNone::Initialize();
 
-#ifndef LLDB_DISABLE_PYTHON
+#if LLDB_ENABLE_PYTHON
   OperatingSystemPython::Initialize();
 #endif
 
-#if !defined(LLDB_DISABLE_PYTHON)
+#if LLDB_ENABLE_PYTHON
   ScriptInterpreterPython::Initialize();
 #endif
 
@@ -375,7 +375,7 @@
   DynamicLoaderStatic::Terminate();
   DynamicLoaderWindowsDYLD::Terminate();
 
-#ifndef LLDB_DISABLE_PYTHON
+#if LLDB_ENABLE_PYTHON
   OperatingSystemPython::Terminate();
 #endif