[clang] [lldb] [llvm] Extending LLDB to work on AIX (PR #102601)

[David Spickett via llvm-commits]

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@@ -38,6 +38,10 @@ endif()
 include(LLDBConfig)
 include(AddLLDB)
 
+if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
+  add_definitions("-D__AIX__")
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DavidSpickett wrote:

Also remember that users may be debugging AIX from a non-AIX host where the compiler would not be setting any macros like that.

(though perhaps this is exactly why you defined this manually, just to get it working on AIX only as the first step)

https://github.com/llvm/llvm-project/pull/102601