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From d5c7efae3833b4c8d0012c5f9816ae4b6c28a3e7 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 6 Aug 2020 11:40:41 +0200
Subject: [PATCH] repl.cc: Check for HAVE_BOEHMGC
Fixes #3906.
(cherry picked from commit 59067f0f587f75908c4f990bcbab29340c7f7652)
---
src/nix/repl.cc | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/nix/repl.cc b/src/nix/repl.cc
index 04bc82cc0..0b696a340 100644
--- a/src/nix/repl.cc
+++ b/src/nix/repl.cc
@@ -31,8 +31,10 @@ extern "C" {
#include "command.hh"
#include "finally.hh"
+#if HAVE_BOEHMGC
#define GC_INCLUDE_NEW
#include <gc/gc_cpp.h>
+#endif
namespace nix {
@@ -44,7 +46,10 @@ namespace nix {
#define ESC_CYA "\033[36m"
#define ESC_END "\033[0m"
-struct NixRepl : gc
+struct NixRepl
+ #if HAVE_BOEHMGC
+ : gc
+ #endif
{
string curDir;
EvalState state;
--
2.28.0
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