From 5d6bc484beab6ff822815b5b26745710d8c86305 Mon Sep 17 00:00:00 2001
From: Robert Hensing <robert@roberthensing.nl>
Date: Tue, 23 Jul 2024 16:24:43 +0200
Subject: [PATCH] Hide getGCCycles when we have no GC

Alternatively, we could make it return 0, but we don't need it in
the first place because the caller exists conditionally too.
---
 src/libexpr/eval-gc.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/libexpr/eval-gc.hh b/src/libexpr/eval-gc.hh
index 76f019729..005175eb7 100644
--- a/src/libexpr/eval-gc.hh
+++ b/src/libexpr/eval-gc.hh
@@ -15,9 +15,11 @@ void initGC();
  */
 void assertGCInitialized();
 
+#ifdef HAVE_BOEHMGC
 /**
  * The number of GC cycles since initGC().
  */
 size_t getGCCycles();
+#endif
 
-}
+} // namespace nix