3 files changed, 9 insertions, 5 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index fe861e629..bf259e0b6 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -24,8 +24,8 @@
 #include <chrono>
 #include <regex>
 #include <queue>
+#include <climits>
 
-#include <limits.h>
 #include <sys/time.h>
 #include <sys/wait.h>
 #include <sys/types.h>
diff --git a/src/libstore/download.cc b/src/libstore/download.cc
index a5165773a..d49d63912 100644
--- a/src/libstore/download.cc
+++ b/src/libstore/download.cc
@@ -34,6 +34,10 @@ DownloadSettings downloadSettings;
 
 static GlobalConfig::Register r1(&downloadSettings);
 
+CachedDownloadRequest::CachedDownloadRequest(const std::string & uri)
+    : uri(uri), ttl(settings.tarballTtl)
+{ }
+
 std::string resolveUri(const std::string & uri)
 {
     if (uri.compare(0, 8, "channel:") == 0)
diff --git a/src/libstore/download.hh b/src/libstore/download.hh
index c5dd893b5..487036833 100644
--- a/src/libstore/download.hh
+++ b/src/libstore/download.hh
@@ -2,7 +2,7 @@
 
 #include "types.hh"
 #include "hash.hh"
-#include "globals.hh"
+#include "config.hh"
 
 #include <string>
 #include <future>
@@ -71,12 +71,12 @@ struct CachedDownloadRequest
     bool unpack = false;
     std::string name;
     Hash expectedHash;
-    unsigned int ttl = settings.tarballTtl;
+    unsigned int ttl;
     bool gcRoot = false;
     bool getLastModified = false;
 
-    CachedDownloadRequest(const std::string & uri)
-        : uri(uri) { }
+    CachedDownloadRequest(const std::string & uri);
+    CachedDownloadRequest() = delete;
 };
 
 struct CachedDownloadResult