diff --git a/Makefile.am b/Makefile.am
index 0961218..43120b2 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,7 @@
 AM_CFLAGS = -Wall -std=gnu99 -D_GNU_SOURCE -D_REENTRANT
 
+EXTRA_DIST = doc
+
 lib_LTLIBRARIES = libjson.la
 
 pkgconfigdir = $(libdir)/pkgconfig
diff --git a/config.h.in b/config.h.in
index 44e10aa..5139ae8 100644
--- a/config.h.in
+++ b/config.h.in
@@ -80,6 +80,10 @@
 /* Define to 1 if you have the `vsyslog' function. */
 #undef HAVE_VSYSLOG
 
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#undef LT_OBJDIR
+
 /* Name of package */
 #undef PACKAGE