[Lldb-commits] [lldb] [lldb] Add extra logic to find llvm-nm in standalone builds (PR #227487)

[Alex Langford via lldb-commits]

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@@ -71,6 +71,34 @@ else()
   endif()
 endif()
 
+# If llvm-nm is built but the target is not exported, we need to find it to
+# build the dynamic script interpreters.
+if (NOT LLVM_NM)
+  if (CMAKE_CROSSCOMPILING)
+    set(LLVM_NATIVE_BUILD "${LLVM_BINARY_DIR}/NATIVE")
+    if (NOT EXISTS "${LLVM_NATIVE_BUILD}")
+      message(FATAL_ERROR "Attempting to cross-compile LLDB standalone but no native LLVM build found. Please cross-compile LLVM as well.")
+    endif()
+
+    if (CMAKE_HOST_SYSTEM_NAME MATCHES "Windows")
+      set(HOST_EXECUTABLE_SUFFIX ".exe")
+    endif()
+
+    if (NOT CMAKE_CONFIGURATION_TYPES)
+      set(LLVM_NM "${LLVM_NATIVE_BUILD}/bin/llvm-nm${HOST_EXECUTABLE_SUFFIX}")
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bulbazord wrote:

Yes, because find_program will also cache it. 

https://github.com/llvm/llvm-project/pull/227487