Keep precompile PCH generation-local

2026-07-18 14:31:53 +00:00
parent 1952c7d762
commit 39636acf2e
5 changed files with 12 additions and 4 deletions
@@ -39,6 +39,12 @@ UCE expects these executables on each deployment host:
 source map before debug sections are stripped from the runtime artifact. The
 map is consulted only on a wasm trap.

+The native compiler passes the ABI-generation root to
+`scripts/compile_wasm_unit`. Unless `UCE_WASM_PCH_DIR` is explicitly set, the
+unit PCH lives beneath that writable generation rather than a
+process-user-dependent `/tmp` path. Managed precompile therefore behaves the
+same inside and outside the service unit.
+
 ## Upgrade policy

 Treat WASI SDK upgrades like runtime dependency upgrades: