diff --git a/Makefile b/Makefile
index 707e4e1..8253548 100644
--- a/Makefile
+++ b/Makefile
@@ -1,29 +1,12 @@
-.PHONY: test/import.scm test/import.scm test/pffi-define.scm test/size-of.scm
+.PHONY: test
 
-VERSION=v0-1-0
-GUILE=GUILE_AUTO_COMPILE=0 guile --no-auto-compile --fresh-auto-compile --r7rs -L .
-RACKET=racket -I r7rs --make -S $(shell pwd) --script
-STKLOS=STKLOS_FRAMES=200 stklos -A . --compiler-flags='+line-info,+time-display,unroll-iterations=3' -f
-KAWA=java --add-exports java.base/jdk.internal.foreign.abi=ALL-UNNAMED --add-exports java.base/jdk.internal.foreign.layout=ALL-UNNAMED --add-exports java.base/jdk.internal.foreign=ALL-UNNAMED --enable-native-access=ALL-UNNAMED --enable-preview -jar kawa.jar --r7rs --full-tailcalls -Dkawa.import.path=".."
-CYCLONE=cyclone -t -A .
-CHICKEN=csc -X r7rs -R r7rs
-CHICKEN_I=csi -R r7rs
-GERBIL=gxc -prelude :scheme/r7rs -exe
-GERBIL_I=gxi --lang r7rs
+VERSION=$(shell cat VERSION)
 
 build: build-main-scm
 
 build-main-scm:
 	cp retropikzel/pffi/${VERSION}/main.sld retropikzel/pffi/${VERSION}/main.scm
 
-build-main-chicken:
-	cp retropikzel/pffi/${VERSION}/main.sld retropikzel/pffi/${VERSION}/retropikzel.pffi.${VERSION}.main.scm
-	cp retropikzel/pffi/${VERSION}/chicken.scm retropikzel/pffi/${VERSION}/retropikzel.pffi.${VERSION}.chicken.scm
-	cp retropikzel/pffi/${VERSION}/main.sld retropikzel.pffi.${VERSION}.main.scm
-	cp retropikzel/pffi/${VERSION}/chicken.scm retropikzel.pffi.${VERSION}.chicken.scm
-	${CHICKEN} -sJ retropikzel.pffi.${VERSION}.chicken.scm
-	${CHICKEN} -sJ retropikzel.pffi.${VERSION}.main.scm
-
 update-documentation:
 	schubert document
 	mkdir -p docutmp
@@ -36,44 +19,12 @@ documentation:
 	schubert document
 	VERSION=${VERSION} bash doc/generate.sh > documentation.md
 
-test/import.scm: clean build
-	${GUILE} $@ 
-	${RACKET} $@
-	${STKLOS} $@
-	${KAWA} $@
-	${CYCLONE} $@ && test/import
-	#${GAMBIT} -exe $@ && ./test/import
-	${CHICKEN} $@ && ./test/import
-	#${GERBIL} $@
-
-test/pffi-define.scm: clean build
-	${GUILE} $@
-	${RACKET} $@
-	${KAWA} $@
-	${CHICKEN} -L -lcurl $@ && ./test/pffi-define
-
-test/pffi-define.scm: clean build
-	${GAMBIT} -ld-options -lcurl -exe $@ && ./test/pffi-define
-
-test/size-of.scm:
-	${GUILE} $@
-	${KAWA} $@
-
-test/pointer-set-get.scm:
-	${GUILE} $@
-	#${RACKET} $@
-	#${STKLOS} $@
-	${KAWA} $@
-
-test/string-to-pointer-to-string.scm:
-	${GUILE} $@
-	#${RACKET} $@
-	#${STKLOS} $@
-	${KAWA} $@
-
 tmp:
 	mkdir -p tmp
 
+test:
+	bash test-all.sh
+
 clean:
 	rm -rf docutmp
 	rm -rf retropikzel/pffi/${VERSION}/*.c
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..eb49cd3
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+v0-1-0
diff --git a/retropikzel/pffi/v0-1-0/stklos.scm b/retropikzel/pffi/v0-1-0/stklos.scm
index ee25587..e335577 100644
--- a/retropikzel/pffi/v0-1-0/stklos.scm
+++ b/retropikzel/pffi/v0-1-0/stklos.scm
@@ -80,7 +80,7 @@
 
     (define pffi-pointer->string
       (lambda (pointer)
-        (cpointer->string pointer)))
+        pointer))
 
     (define pffi-pointer->bytevector
       (lambda (pointer size)
diff --git a/scripts/init-test.sh b/scripts/init-test.sh
index 42a900f..7617848 100644
--- a/scripts/init-test.sh
+++ b/scripts/init-test.sh
@@ -1,4 +1,7 @@
 
 set -eu
 make clean
+make build
 make tmp
+
+VERSION=$(cat VERSION)
diff --git a/scripts/test-runs-compilers.sh b/scripts/test-runs-compilers.sh
new file mode 100644
index 0000000..28371bf
--- /dev/null
+++ b/scripts/test-runs-compilers.sh
@@ -0,0 +1,6 @@
+
+${SCHEME} ./test/import.scm
+./test/import
+
+${SCHEME} ./test/pffi-define.scm
+./test/pffi-define
diff --git a/scripts/test-runs-dynamic.sh b/scripts/test-runs-dynamic.sh
index f42c242..7c7c7c4 100644
--- a/scripts/test-runs-dynamic.sh
+++ b/scripts/test-runs-dynamic.sh
@@ -1,6 +1,7 @@
 
+${SCHEME} ./test/hello.scm
 ${SCHEME} ./test/import.scm
-${SCHEME} ./test/pffi-define.scm
 ${SCHEME} ./test/size-of.scm
 ${SCHEME} ./test/pointer-set-get.scm
 ${SCHEME} ./test/string-to-pointer-to-string.scm
+${SCHEME} ./test/pffi-define.scm
diff --git a/test-all.sh b/test-all.sh
new file mode 100644
index 0000000..8502401
--- /dev/null
+++ b/test-all.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+
+for testfile in ./test-*.sh
+do
+    if [[ ! "${testfile}" = "./test-all.sh" ]];
+    then
+        bash "${testfile}"
+    fi
+done
diff --git a/test-chicken.sh b/test-chicken.sh
new file mode 100644
index 0000000..c0d7a6c
--- /dev/null
+++ b/test-chicken.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+source scripts/init-test.sh
+
+SCHEME="csc -X r7rs -R r7rs -L -lcurl"
+SCHEME_LIB="csc -X r7rs -R r7rs -sJ"
+SCHEME_I="csi -R r7rs"
+
+cp retropikzel/pffi/${VERSION}/main.sld retropikzel/pffi/${VERSION}/retropikzel.pffi.${VERSION}.main.scm
+cp retropikzel/pffi/${VERSION}/chicken.scm retropikzel/pffi/${VERSION}/retropikzel.pffi.${VERSION}.chicken.scm
+cp retropikzel/pffi/${VERSION}/main.sld retropikzel.pffi.${VERSION}.main.scm
+cp retropikzel/pffi/${VERSION}/chicken.scm retropikzel.pffi.${VERSION}.chicken.scm
+${SCHEME_LIB} retropikzel.pffi.${VERSION}.chicken.scm
+${SCHEME_LIB} retropikzel.pffi.${VERSION}.main.scm
+
+source scripts/test-runs-compilers.sh
diff --git a/test-cyclone.sh b/test-cyclone.sh
new file mode 100644
index 0000000..c6c159a
--- /dev/null
+++ b/test-cyclone.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+source scripts/init-test.sh
+
+SCHEME="cyclone -A ."
+SCHEME_LIB="cyclone -A ."
+SCHEME_I="icyc -A . -s"
+
+source scripts/test-runs-compilers.sh
diff --git a/test-gambit.sh b/test-gambit.sh
index adc0b61..2e77bad 100644
--- a/test-gambit.sh
+++ b/test-gambit.sh
@@ -2,15 +2,13 @@
 
 source scripts/init-test.sh
 
-VERSION=v0-1-0
-
-
-SCHEME="gsc -:r7rs,search=."
+SCHEME="gsc -:r7rs,search=. -ld-options -lcurl -exe"
+SCHEME_LIB="gsc -:r7rs,search=. -obj"
 SCHEME_I="gsi -:r7rs,search=."
 
 
-${SCHEME} -obj retropikzel/pffi/${VERSION}/gambit.scm
-${SCHEME} -obj retropikzel/pffi/${VERSION}/main.sld
-${SCHEME_I} ./test/import.scm
-${SCHEME} -o ./tmp/import ./test/import.scm
-./tmp/import
+${SCHEME_LIB} retropikzel/pffi/${VERSION}/gambit.scm
+${SCHEME_LIB} retropikzel/pffi/${VERSION}/main.sld
+
+
+source scripts/test-runs-compilers.sh
diff --git a/test-gerbil.sh b/test-gerbil.sh
new file mode 100644
index 0000000..1e6e824
--- /dev/null
+++ b/test-gerbil.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+source scripts/init-test.sh
+
+SCHEME="gxc -prelude :scheme/r7rs -exe"
+SCHEME_LIB="gxc -prelude :scheme/r7rs"
+SCHEME_I="gxi --lang r7rs"
+
+source scripts/test-runs-compilers.sh
diff --git a/test-guile.sh b/test-guile.sh
new file mode 100644
index 0000000..974f913
--- /dev/null
+++ b/test-guile.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+source scripts/init-test.sh
+
+SCHEME="guile --no-auto-compile --fresh-auto-compile --r7rs -L ."
+
+source scripts/test-runs-dynamic.sh
diff --git a/test-kawa.sh b/test-kawa.sh
new file mode 100644
index 0000000..5054592
--- /dev/null
+++ b/test-kawa.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+source scripts/init-test.sh
+
+SCHEME="java --add-exports java.base/jdk.internal.foreign.abi=ALL-UNNAMED --add-exports java.base/jdk.internal.foreign.layout=ALL-UNNAMED --add-exports java.base/jdk.internal.foreign=ALL-UNNAMED --enable-native-access=ALL-UNNAMED --enable-preview -jar kawa.jar --r7rs --full-tailcalls -Dkawa.import.path=.."
+
+source scripts/test-runs-dynamic.sh
diff --git a/test-racket.sh b/test-racket.sh
new file mode 100644
index 0000000..3c06b0f
--- /dev/null
+++ b/test-racket.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+source scripts/init-test.sh
+
+SCHEME="racket -I r7rs --make -S . --script"
+
+source scripts/test-runs-dynamic.sh
diff --git a/test-stklos.sh b/test-stklos.sh
new file mode 100644
index 0000000..689e7c8
--- /dev/null
+++ b/test-stklos.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+source scripts/init-test.sh
+
+SCHEME="stklos -A . -f"
+
+source scripts/test-runs-dynamic.sh
diff --git a/test/hello.scm b/test/hello.scm
index 653c8a0..21d8b43 100644
--- a/test/hello.scm
+++ b/test/hello.scm
@@ -1,6 +1,5 @@
 (import (scheme base)
-        (scheme write)
-        (retropikzel pffi v0.1.0 main))
+        (scheme write))
 
 (display "Hello")
 (newline)
diff --git a/test/import.scm b/test/import.scm
index d83f103..95ce1a8 100644
--- a/test/import.scm
+++ b/test/import.scm
@@ -1,10 +1,8 @@
 (import (scheme base)
         (scheme write)
-        ;(retropikzel pffi v0-1-0 main)
+        (retropikzel pffi v0-1-0 main))
 
-        )
-
-(display "Hello")
+(display "Hello from import.scm")
 (newline)
 
 
diff --git a/test/pffi-define.scm b/test/pffi-define.scm
index 8cca090..01ac27e 100644
--- a/test/pffi-define.scm
+++ b/test/pffi-define.scm
@@ -4,24 +4,14 @@
         (scheme eval)
         (retropikzel pffi v0-1-0 main))
 
-;(define libcurl (pffi-shared-object-auto-load (list "curl/curl.h") "curl" (list)))
+(define libcurl (pffi-shared-object-auto-load (list "curl/curl.h") "curl" (list)))
 
-(c-declare "#include <curl/curl.h>")
-;(display libcurl)
-;(newline)
-
-(define curl-version
-  (c-lambda ()
-            char-string
-            "curl_version"))
-
-;(pffi-define curl-version libcurl 'curl_version 'string (list))
+(pffi-define curl-version libcurl 'curl_version 'string (list))
 
 (display "=================")
 (newline)
 
-(display (curl-version))
-;(display (pffi-pointer->string (curl-version)))
+(display (pffi-pointer->string (curl-version)))
 
 (newline)
 (display "=================")
diff --git a/test/pointer-set-get.scm b/test/pointer-set-get.scm
index 1ada250..d040fe5 100644
--- a/test/pointer-set-get.scm
+++ b/test/pointer-set-get.scm
@@ -1,6 +1,6 @@
 (import (scheme base)
         (scheme write)
-        (retropikzel pffi v0.1.0 main))
+        (retropikzel pffi v0-1-0 main))
 
 (define p (pffi-pointer-allocate (+ (* (pffi-size-of 'uint32) 3)
                                     (* (pffi-size-of 'uint8) 4)
diff --git a/test/string-to-pointer-to-string.scm b/test/string-to-pointer-to-string.scm
index e6fc2da..e7c96e0 100644
--- a/test/string-to-pointer-to-string.scm
+++ b/test/string-to-pointer-to-string.scm
@@ -1,6 +1,6 @@
 (import (scheme base)
         (scheme write)
-        (retropikzel pffi v0.1.0 main))
+        (retropikzel pffi v0-1-0 main))
 
 
 (define p (pffi-string->pointer "Hello world"))