diff --git a/backend/Makefile b/backend/Makefile
index 2581480..68dbeb1 100644
--- a/backend/Makefile
+++ b/backend/Makefile
@@ -3,10 +3,7 @@
 default: ../brminv
 
 SCRP=$(shell chicken-install -repository)
-#SCRP=$(shell ../cross-chicken-arm/bin/arm-chicken-install -repository)
 CSC=CHICKEN_REPOSITORY_PATH=../eggs:$(SCRP) csc
-#CSC=CHICKEN_REPOSITORY_PATH=../eggs-arm:$(SCRP) ../cross-chicken-arm/bin/arm-csc
-#CSC=../cross-chicken-arm/bin/arm-csc
 
 BRMINV_SOURCES=brminv.scm frontend.import.scm command-line.import.scm	\
 	util-proc.import.scm duck.import.scm texts.import.scm
diff --git a/backend/brminv.scm b/backend/brminv.scm
index 93a501e..6da26c6 100644
--- a/backend/brminv.scm
+++ b/backend/brminv.scm
@@ -109,11 +109,20 @@
 (print dbconn)
 
 (define (handle-api-calls)
-  #f)
+  (define plst (cdr (uri-path (request-uri (current-request)))))
+  (cond ((and (not (null? plst))
+	      (equal? (car plst) "api"))
+	 (send-response #:body "API call")
+	 #t)
+	(else
+	 #f)))
 
 (handle-not-found
  (lambda (path)
-   (define upath (string-intersperse (map ->string (cdr (uri-path (request-uri (current-request))))) "/"))
+   (define upath
+     (string-intersperse
+      (map ->string (cdr (uri-path (request-uri (current-request)))))
+      "/"))
    (print 'log: upath)
    (cond ((equal? upath "")
 	  (send-response #:body (frontend-lookup "index.html")))
@@ -133,7 +142,6 @@
 		   (when (not (handle-api-calls))
 		     (send-response #:body (frontend-lookup "index.html"))))))))))
 
-(debug-log (current-error-port))
 (accept-loop listener
 	     (if ssl?
 		 ssl-accept
diff --git a/tools/build-in-qemu.sh b/tools/build-in-qemu.sh
new file mode 100644
index 0000000..a14913f
--- /dev/null
+++ b/tools/build-in-qemu.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+if [ -z "$1" ] ; then
+    echo "Usage: $0 password"
+    exit 1
+fi
+PASS="$1"
+
+rsync -avr -e "sshpass -p$PASS ssh -p 2222" --exclude='*.import.scm' --exclude='*~' backend/*.scm backend/Makefile root@localhost:brminv/backend/
+rsync -avr -e "sshpass -p$PASS ssh -p 2222" frontend/dist/* root@localhost:brminv/frontend/dist/
+rsync -avr -e "sshpass -p$PASS ssh -p 2222" Makefile root@localhost:brminv/
+rsync -avr -e "sshpass -p$PASS ssh -p 2222" --exclude='*~' tools/* root@localhost:brminv/tools/
+sshpass -p$PASS ssh -p 2222 root@localhost 'make -C brminv'
+sshpass -p$PASS scp -P 2222 root@localhost:brminv/brminv brminv-arm
diff --git a/tools/schemify-tree.scm b/tools/schemify-tree.scm
index 404fe25..07835e4 100644
--- a/tools/schemify-tree.scm
+++ b/tools/schemify-tree.scm
@@ -37,7 +37,10 @@
 	    '()
 	    (cdr args)))))
 
-(define args (get-argv))
+(define args0 (get-argv))
+(define args (if (null? args0)
+		 '("../frontend/dist" "frontend" "frontend-lookup")
+		 args0))
 (when (< (length args) 1)
   (display "usage: schemify-tree dir")
   (newline)