diff --git a/configure.ac b/configure.ac
index 52af3e4c5..aaf6c204d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -98,6 +98,60 @@ AS_IF([test $libgnunetutil != 1],
 *** ]])])
 
 
+# Check for GNUnet's libgnunetjson.
+libgnunetjson=0
+AC_MSG_CHECKING([for libgnunetjson])
+AC_ARG_WITH(gnunet,
+            [AS_HELP_STRING([--with-gnunet=PFX], [base of GNUnet installation])],
+            [AC_MSG_RESULT([given as $with_gnunet])],
+            [AC_MSG_RESULT(not given)
+             with_gnunet=yes])
+AS_CASE([$with_gnunet],
+        [yes], [],
+        [no], [AC_MSG_ERROR([--with-gnunet is required])],
+        [LDFLAGS="-L$with_gnunet/lib $LDFLAGS"
+         CPPFLAGS="-I$with_gnunet/include $CPPFLAGS"])
+AC_CHECK_HEADERS([gnunet/platform.h gnunet/gnunet_json_lib.h],
+ [AC_CHECK_LIB([gnunetjson], [GNUNET_JSON_parse], libgnunetjson=1)],
+  [], [#ifdef HAVE_GNUNET_PLATFORM_H
+        #include <gnunet/platform.h>
+       #endif])
+AS_IF([test $libgnunetjson != 1],
+  [AC_MSG_ERROR([[
+***
+*** You need libgnunetjson to build this program.
+*** Make sure you have libjansson installed while
+*** building GNUnet.
+*** ]])])
+
+
+# Check for GNUnet's libgnunetcurl.
+libgnunetcurl=0
+AC_MSG_CHECKING([for libgnunetcurl])
+AC_ARG_WITH(gnunet,
+            [AS_HELP_STRING([--with-gnunet=PFX], [base of GNUnet installation])],
+            [AC_MSG_RESULT([given as $with_gnunet])],
+            [AC_MSG_RESULT(not given)
+             with_gnunet=yes])
+AS_CASE([$with_gnunet],
+        [yes], [],
+        [no], [AC_MSG_ERROR([--with-gnunet is required])],
+        [LDFLAGS="-L$with_gnunet/lib $LDFLAGS"
+         CPPFLAGS="-I$with_gnunet/include $CPPFLAGS"])
+AC_CHECK_HEADERS([gnunet/platform.h gnunet/gnunet_curl_lib.h],
+ [AC_CHECK_LIB([gnunetcurl], [GNUNET_CURL_get_select_info], libgnunetcurl=1)],
+  [], [#ifdef HAVE_GNUNET_PLATFORM_H
+        #include <gnunet/platform.h>
+       #endif])
+AS_IF([test $libgnunetcurl != 1],
+  [AC_MSG_ERROR([[
+***
+*** You need libgnunetcurl to build this program.
+*** Make sure you have libcurl or libgnurl installed while
+*** building GNUnet.
+*** ]])])
+
+
 # check for libmicrohttpd
 microhttpd=0
 AC_MSG_CHECKING([for microhttpd])
diff --git a/src/exchangedb/Makefile.am b/src/exchangedb/Makefile.am
index 0c6a73138..83be82a23 100644
--- a/src/exchangedb/Makefile.am
+++ b/src/exchangedb/Makefile.am
@@ -14,7 +14,9 @@ pkgcfg_DATA = \
 
 EXTRA_DIST = \
   exchangedb.conf \
-  exchangedb-postgres.conf
+  exchangedb-postgres.conf \
+  plugin_exchangedb_common.c \
+  test-exchange-db-postgres.conf
 
 
 plugindir = $(libdir)/taler
@@ -24,10 +26,6 @@ plugin_LTLIBRARIES = \
   libtaler_plugin_exchangedb_postgres.la
 endif
 
-EXTRA_DIST = \
-  plugin_exchangedb_common.c \
-  test-exchange-db-postgres.conf
-
 libtaler_plugin_exchangedb_postgres_la_SOURCES = \
   plugin_exchangedb_postgres.c
 libtaler_plugin_exchangedb_postgres_la_LIBADD = \