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FAQ · P0

macOS: Ghidra native decompiler missing (12.1.4)

If doctor --provider ghidra fails on Mac with native_decompiler missing, you are often hitting a packaging gap — not a broken npm install.

What happens

Ghidra 12.1.4 PUBLIC distributions commonly ship native decompiler binaries for linux_x86_64 and win_x86_64 only. On macOS, REA’s doctor can report the decompiler OS folder empty/missing. Upstream REA refuses to auto-build that native tool for you.

What to do (community recipe)

  1. Confirm JDK + GHIDRA_INSTALL_DIR with absolute paths.
  2. Build the optional decompiler from Ghidra sources using the documented make ghidra_opt (or current upstream equivalent) on your Mac toolchain.
  3. Copy the resulting decompile binary into Ghidra’s os/mac_x86_64/ (or mac_arm_64/ as appropriate) layout.
  4. Re-run npx -y rea-agents@latest doctor --provider ghidra --json. Pair with launch diagnostics from related issues when the GUI/headless wrapper also misreports.

Exact make targets move with Ghidra versions — verify against Ghidra’s own build docs for your tag. This site will not paste proprietary plugin cracks.

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