$NetBSD: patch-ghc_ghc-bin.cabal.in,v 1.2 2022/02/08 07:45:02 pho Exp $

The stage-0 compiler isn't guaranteed to have an event-logging RTS.
https://gitlab.haskell.org/ghc/ghc/-/merge_requests/7518

--- ghc/ghc-bin.cabal.in.orig	2022-01-21 03:29:30.605919955 +0000
+++ ghc/ghc-bin.cabal.in
@@ -29,6 +29,11 @@ Flag threaded
     Default: True
     Manual: True
 
+Flag eventlog
+    Description: Link the ghc executable against the event-logging RTS
+    Default: True
+    Manual: True
+
 Executable ghc
     Default-Language: Haskell2010
 
@@ -91,7 +96,9 @@ Executable ghc
     if flag(threaded)
       ghc-options: -threaded
 
-    ghc-options: -eventlog
+    -- Same for GhcEventLoggingRts
+    if flag(eventlog)
+      ghc-options: -eventlog
 
     Other-Extensions:
         CPP