diff --git a/Makefile b/Makefile
index 2032efa..620987d 100644
--- a/Makefile
+++ b/Makefile
@@ -12,23 +12,15 @@ VERSION=$(shell cat retropikzel/${LIBRARY}/VERSION)
 DESCRIPTION=$(shell head -n1 retropikzel/${LIBRARY}/README.md)
 README=retropikzel/${LIBRARY}/README.html
 TESTFILE=retropikzel/${LIBRARY}/test.scm
+PACKAGE_ARGS=$(shell cat retropikzel/${LIBRARY}/PACKAGE_ARGS || echo "")
+CSC_OPTIONS=$(shell cat retropikzel/${LIBRARY}/CSC_OPTIONS || echo "")
+APTPACKAGES=$(shell cat retropikzel/${LIBRARY}/APT_PACKAGES || echo "")
 
 PKG=retropikzel-${LIBRARY}-${VERSION}.tgz
 
-SFX=scm
-SNOW=snow-chibi --impls=${SCHEME} install --always-yes
-LIB_PATHS=
-ifeq "${RNRS}" "r6rs"
-SNOW=snow-chibi --impls=${SCHEME} install --always-yes --install-source-dir=. --install-library-dir=.
 SFX=sps
-LIB_PATHS=-I .akku/lib
-endif
-
-APT_PACKAGES=
-CSC_OPTIONS=
-ifeq "${LIBRARY}" "gi-repository"
-APT_PACKAGES=libgirepository-2.0-dev
-CSC_OPTIONS=-L -lgirepository-2.0 -L -lgobject-2.0 -L -lglib-2.0
+ifeq "${RNRS}" "r7rs"
+SFX=scm
 endif
 
 all: package
@@ -37,6 +29,7 @@ package: retropikzel/${LIBRARY}/LICENSE retropikzel/${LIBRARY}/VERSION
 	echo "<pre>$$(cat retropikzel/${LIBRARY}/README.md)</pre>" > ${README}
 	snow-chibi package \
 		--always-yes \
+		${PACKAGE_ARGS} \
 		--version=${VERSION} \
 		--authors=${AUTHOR} \
 		--doc=${README} \
@@ -51,13 +44,16 @@ testfiles: package
 	mkdir -p .tmp
 	cp -r test-resources .tmp/
 	cp -r retropikzel .tmp/
-	cp ${PKG} .tmp/
 	# R6RS testfiles
 	printf "#!r6rs\n(import (except (rnrs) remove) (srfi :64) (foreign c) (retropikzel ${LIBRARY}))" > .tmp/test.sps
 	cat ${TESTFILE} >> .tmp/test.sps
 	# R7RS testfiles
 	echo "(import (scheme base) (scheme write) (scheme read) (scheme char) (scheme file) (scheme process-context) (srfi 64) (foreign c) (retropikzel ${LIBRARY}))" > .tmp/test.scm
 	cat ${TESTFILE} >> .tmp/test.scm
+	cp -r ../foreign-c/foreign .tmp/
+	cp -r ../generated-foreign-c-libraries/c2foreign-c .tmp/
+	cp ${PKG} .tmp/
+	cd .tmp && if [ "${RNRS}" = "r6rs" ]; then snow-chibi --impls=generic install --always-yes --install-source-dir=. --install-library-dir=. ${PKG}; fi
 	cd .tmp && if [ "${RNRS}" = "r6rs" ]; then akku install akku-r7rs; fi
 
 test: testfiles
diff --git a/retropikzel/gi-repository/APT_PACKAGES b/retropikzel/gi-repository/APT_PACKAGES
new file mode 100644
index 0000000..25d6579
--- /dev/null
+++ b/retropikzel/gi-repository/APT_PACKAGES
@@ -0,0 +1 @@
+libgirepository-2.0-dev
diff --git a/retropikzel/gi-repository/CSC_OPTIONS b/retropikzel/gi-repository/CSC_OPTIONS
new file mode 100644
index 0000000..3fd5b00
--- /dev/null
+++ b/retropikzel/gi-repository/CSC_OPTIONS
@@ -0,0 +1 @@
+-L -lgirepository-2.0 -L -lgobject-2.0 -L -lglib-2.0
diff --git a/retropikzel/spite.scm b/retropikzel/spite.scm
index 610e24c..51aab36 100644
--- a/retropikzel/spite.scm
+++ b/retropikzel/spite.scm
@@ -15,17 +15,14 @@
 (define event* (make-c-bytevector 4000))
 (define draw-rect* (make-c-bytevector (* (c-type-size 'int) 4)))
 (define draw-slice-rect* (make-c-bytevector (* (c-type-size 'int) 4)))
-(define fill-triangle-vertex-size (+ (* (c-type-size 'int) 6) (* (c-type-size 'float) 2)))
+(define fill-triangle-vertex-size 1024
+  ;; FIXME
+  ;(+ (* (c-type-size 'int) 6) (* (c-type-size 'float) 2))
+  )
 (define fill-triangle-vertex1* (make-c-bytevector fill-triangle-vertex-size 0))
 (define fill-triangle-vertex2* (make-c-bytevector fill-triangle-vertex-size 0))
 (define fill-triangle-vertex3* (make-c-bytevector fill-triangle-vertex-size 0))
 (define fill-triangle-vertexes* (make-c-bytevector (* fill-triangle-vertex-size 3 0)))
-(c-bytevector-set!
-  fill-triangle-vertexes* 'pointer (* fill-triangle-vertex-size 0) fill-triangle-vertex1*)
-(c-bytevector-set!
-  fill-triangle-vertexes* 'pointer (* fill-triangle-vertex-size 1) fill-triangle-vertex2*)
-(c-bytevector-set!
-  fill-triangle-vertexes* 'pointer (* fill-triangle-vertex-size 2) fill-triangle-vertex3*)
 
 (define main-loop-start-time 0)
 (define delta-time 0)
@@ -259,6 +256,9 @@
 
 (define spite-start
   (lambda (update-procedure draw-procedure)
+    (c-bytevector-set!  fill-triangle-vertexes* 'pointer (* fill-triangle-vertex-size 0) fill-triangle-vertex1*)
+    (c-bytevector-set!  fill-triangle-vertexes* 'pointer (* fill-triangle-vertex-size 1) fill-triangle-vertex2*)
+    (c-bytevector-set!  fill-triangle-vertexes* 'pointer (* fill-triangle-vertex-size 2) fill-triangle-vertex3*)
     (cond
       ((not started?)
        (set! started? #t)
diff --git a/retropikzel/spite/APT_PACKAGES b/retropikzel/spite/APT_PACKAGES
new file mode 100644
index 0000000..8c335f0
--- /dev/null
+++ b/retropikzel/spite/APT_PACKAGES
@@ -0,0 +1 @@
+libsdl2-dev libsdl2-image-dev
diff --git a/retropikzel/spite/CSC_OPTIONS b/retropikzel/spite/CSC_OPTIONS
new file mode 100644
index 0000000..fda77aa
--- /dev/null
+++ b/retropikzel/spite/CSC_OPTIONS
@@ -0,0 +1 @@
+-L -lSDL2_image -L -lSDL2
diff --git a/retropikzel/spite/PACKAGE_ARGS b/retropikzel/spite/PACKAGE_ARGS
new file mode 100644
index 0000000..8e5b7ab
--- /dev/null
+++ b/retropikzel/spite/PACKAGE_ARGS
@@ -0,0 +1 @@
+--foreign-depends SDL2_image,sdl2