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-rw-r--r--src/libstore/build.cc6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index 533883dc5298..36e3b5e1dd8b 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -24,13 +24,17 @@
 #include <pwd.h>
 #include <grp.h>
 
+
+/* Includes required for chroot support. */
 #include "config.h"
 
+#if HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
 #if HAVE_SYS_MOUNT_H
 #include <sys/mount.h>
 #endif
 
-
 #define CHROOT_ENABLED HAVE_CHROOT && HAVE_SYS_MOUNT_H && defined(MS_BIND)