From 73bba12d8ba1bff2b2c0266a7fdbe1ee8ab0ad6a Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Fri, 28 Apr 2017 16:53:56 +0200
Subject: Check for libreadline

---
 src/nix/local.mk | 4 +++-
 src/nix/repl.cc  | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/nix')

diff --git a/src/nix/local.mk b/src/nix/local.mk
index 21f190e476f4..e71cf16fabf6 100644
--- a/src/nix/local.mk
+++ b/src/nix/local.mk
@@ -6,6 +6,8 @@ nix_SOURCES := $(wildcard $(d)/*.cc)
 
 nix_LIBS = libexpr libmain libstore libutil libformat
 
-nix_LDFLAGS = -lreadline
+ifeq ($(HAVE_READLINE), 1)
+  nix_LDFLAGS += -lreadline
+endif
 
 $(eval $(call install-symlink, nix, $(bindir)/nix-hash))
diff --git a/src/nix/repl.cc b/src/nix/repl.cc
index 17203d3c299f..13488bf1dbd4 100644
--- a/src/nix/repl.cc
+++ b/src/nix/repl.cc
@@ -1,3 +1,5 @@
+#if HAVE_LIBREADLINE
+
 #include <iostream>
 #include <cstdlib>
 
@@ -726,3 +728,5 @@ struct CmdRepl : StoreCommand
 static RegisterCommand r1(make_ref<CmdRepl>());
 
 }
+
+#endif
-- 
cgit 1.4.1