Author: Jonas Devlieghere
Date: 2025-11-05T18:32:38Z
New Revision: bc55f4f4f2b4ef196cf3ec25f69dfbd9cd032237

URL: 
https://github.com/llvm/llvm-project/commit/bc55f4f4f2b4ef196cf3ec25f69dfbd9cd032237
DIFF: 
https://github.com/llvm/llvm-project/commit/bc55f4f4f2b4ef196cf3ec25f69dfbd9cd032237.diff

LOG: [debugserver] Fix debugserver build on < macOS 10.15 (#166599)

The VM_MEMORY_SANITIZER constant was added in macOs 10.15 and friends.
Support using the constant on older OSes.

Fixes #156144

Added: 
    

Modified: 
    lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp

Removed: 
    


################################################################################
diff  --git a/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp 
b/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp
index 9d0d60fdaaed9..c8dce75af05eb 100644
--- a/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp
+++ b/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp
@@ -14,6 +14,12 @@
 #include "DNBLog.h"
 #include <cassert>
 #include <mach/mach_vm.h>
+#include <mach/vm_statistics.h>
+
+// From <mach/vm_statistics.h>, but not on older OSs.
+#ifndef VM_MEMORY_SANITIZER
+#define VM_MEMORY_SANITIZER 99
+#endif
 
 MachVMRegion::MachVMRegion(task_t task)
     : m_task(task), m_addr(INVALID_NUB_ADDRESS), m_err(),


        
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