diff --git a/.builds/debian-arm.yml b/.builds/debian-arm.yml
index 32a47e7..1a9a557 100644
--- a/.builds/debian-arm.yml
+++ b/.builds/debian-arm.yml
@@ -6,9 +6,12 @@ tasks:
 - build: |
     cd retroforth
     make
-- optional: |
+- repl: |
     cd retroforth
     make bin/retro-repl
+- compiler: |
+    cd retroforth
+    make bin/retro-compiler
 - install: |
     cd retroforth
     sudo make install
@@ -16,6 +19,11 @@ tasks:
     cd retroforth
     retro example/1D-Cellular-Automota.retro
     retro example/sea-level-rise.retro
+- test-compiler: |
+    cd retroforth
+    echo "~~~\n:hello 'hello_s:put_nl_;\n~~~" >hello.retro
+    ./bin/retro-compiler hello.retro hello
+    ./a.out
 - check-missing: |
     cd retroforth
     retro tools/glossary.retro missing
diff --git a/GNUmakefile b/GNUmakefile
index bc1bcb1..c0ed553 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -152,7 +152,7 @@ bin/retro: vm/nga-c/image.c vm/nga-c/retro.c package/list.forth package/load-ext
 
 # optional targets
 
-bin/retro-compiler: bin/retro-extend vm/nga-c/retro-compiler.c vm/nga-c/retro-runtime.c vm/nga-c/bsd-strl.c vm/nga-c/config.h vm/nga-c/dev-clock.c vm/nga-c/dev-files.c vm/nga-c/dev-floatingpoint.c vm/nga-c/dev-image.c vm/nga-c/dev-rng.c vm/nga-c/dev-sockets.c vm/nga-c/dev-unix.c vm/nga-c/prototypes.h
+bin/retro-compiler: bin/retro-extend vm/nga-c/retro-compiler.c vm/nga-c/retro-runtime.c
 	cp ngaImage runtime.image
 	./bin/retro-extend runtime.image interface/scripting.retro interface/filesystem.retro interface/floatingpoint.retro interface/unix.retro interface/rng.retro interface/retro-unix.retro interface/clock.retro
 	cd vm/nga-c && $(CC) $(OPTIONS) $(CFLAGS) $(LDFLAGS) -o ../../retro-runtime retro-runtime.c $(LIBM)