diff --git a/Jenkinsfile b/Jenkinsfile
index d40d546..4a729f8 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -26,7 +26,7 @@ pipeline {
                         stage("${implementation} snow-chibi install test") {
                             catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
                                 sh "docker build --build-arg COMPILE_R7RS=${implementation} --tag=r7rs-pffi-test-${implementation} -f dockerfiles/Dockerfile.snow-chibi-install-test ."
-                                sh "docker run -v ${WORKSPACE}:/workdir -w /workdir -t r7rs-pffi-test-${implementation} sh -c \"make clean-package package && snow-chibi install --impls=${implementation} foreign-c-0.10.0.tgz && cp tests/hello.scm /tmp/ && cd /tmp && COMPILE_R7RS=${implementation} compile-r7rs -o hello hello.scm && ./hello\""
+                                sh "docker run -v ${WORKSPACE}:/workdir -w /workdir -t r7rs-pffi-test-${implementation} sh -c \"make snow-chibi-install COMPILE_R7RS=${implementation} && cp tests/hello.scm /tmp/ && cd /tmp && COMPILE_R7RS=${implementation} compile-r7rs -o hello hello.scm && ./hello\""
                             }
                         }
                     }
diff --git a/Makefile b/Makefile
index cf3dcaf..45f6799 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ DOCKER_INIT=cd /workdir && make clean &&
 VERSION=$(shell awk '/version:/{ print $$2 }' README.md )
 TESTNAME=primitives
 
-package: docs
+package: documentation
 	snow-chibi package \
 		--version=${VERSION} \
 		--authors="Retropikzel" \
@@ -14,6 +14,9 @@ package: docs
 		--description="Portable foreign function interface for R7RS Schemes" \
 	foreign/c.sld
 
+snow-chibi-install: clean-package package
+	snow-chibi --impls=${COMPILE_R7RS} install foreign-c-${VERSION}.tgz
+
 clean-package:
 	rm -rf *.tgz
 
@@ -32,11 +35,17 @@ test-compile-r7rs: tmp/test/libtest.o tmp/test/libtest.so tmp/test/libtest.a
 	cp tests/*.scm tmp/test/
 	cp tests/c-include/libtest.h tmp/test/
 	cd tmp/test && \
-		COMPILE_R7RS_GAMBIT="-cc-options \"-ltest -I. -L\" -ld-options \"-L.\"" \
 		COMPILE_R7RS_CHICKEN="-L -static -L -ltest -I. -L." \
 		compile-r7rs -I . -o ${TESTNAME} ${TESTNAME}.scm
 	cd tmp/test && ./${TESTNAME}
 
+test-compile-r7rs-snow: tmp/test/libtest.o tmp/test/libtest.so tmp/test/libtest.a
+	cp tests/*.scm tmp/test/
+	cp tests/c-include/libtest.h tmp/test/
+	cd tmp/test && \
+		compile-r7rs -o hello hello.scm
+	cd tmp/test && ./hello
+
 test-compile-r7rs-wine:
 	cp -r foreign tmp/test/
 	cp tests/*.scm tmp/test/
@@ -65,7 +74,7 @@ tmp/test/libtest.a: tmp/test/libtest.o tests/c-src/libtest.c
 documentation/foreign-c.html:
 
 # apt-get install pandoc weasyprint
-docs:
+documentation: README.md
 	mkdir -p documentation
 	pandoc --standalone \
 		--template templates/documentation.html README.md \
diff --git a/README.md b/README.md
index 45d6ced..a1e3001 100644
--- a/README.md
+++ b/README.md
@@ -144,17 +144,31 @@ Required versions:
 
 ## Installation
 
+### Snow-fort
+
+[https://snow-fort.org/](https://snow-fort.org/)
+
+Installable with snow-chibi for following implementations.
+
+- Chibi
+- Kawa
+- STklos
+
+### Manul
+
 Either download the latest release from
 [https://git.sr.ht/~retropikzel/foreign-c/refs](https://git.sr.ht/~retropikzel/foreign-c/refs)
-or git clone, preferably with a tag, and copy the _foreign_ directory to your
+or git clone, tag, and copy the _foreign_ directory to your
 library directory.
 
 Example assuming libraries in directory _snow_:
 
     git clone https://git.sr.ht/~retropikzel/foreign-c --branch LATEST_VERSION
+    cd foreign-c
+    make SCHEME_IMPLEMENTATION_NAME
+    cd ..
     mkdir -p snow
     cp -r foreign-c/foreign snow/
-    make -C snow/foreign/c SCHEME_IMPLEMENTATION_NAME
 
 With most implementations the make command does not compile anything. When that
 is the case it will say "Nothing to build on SCHEME\_IMPLEMENTATION\_NAME."
diff --git a/documentation/foreign-c.html b/documentation/foreign-c.html
index 7d21b37..c1c293e 100644
--- a/documentation/foreign-c.html
+++ b/documentation/foreign-c.html
@@ -366,15 +366,28 @@ Schemes - 0.10.0</title>
         </tbody>
         </table>
         <h2 id="installation">Installation</h2>
+        <h3 id="snow-fort">Snow-fort</h3>
+        <p><a
+        href="https://snow-fort.org/">https://snow-fort.org/</a></p>
+        <p>Installable with snow-chibi for following
+        implementations.</p>
+        <ul>
+        <li>Chibi</li>
+        <li>Kawa</li>
+        <li>STklos</li>
+        </ul>
+        <h3 id="manul">Manul</h3>
         <p>Either download the latest release from <a
         href="https://git.sr.ht/~retropikzel/foreign-c/refs">https://git.sr.ht/~retropikzel/foreign-c/refs</a>
-        or git clone, preferably with a tag, and copy the
-        <em>foreign</em> directory to your library directory.</p>
+        or git clone, tag, and copy the <em>foreign</em> directory to
+        your library directory.</p>
         <p>Example assuming libraries in directory <em>snow</em>:</p>
         <pre><code>git clone https://git.sr.ht/~retropikzel/foreign-c --branch LATEST_VERSION
+cd foreign-c
+make SCHEME_IMPLEMENTATION_NAME
+cd ..
 mkdir -p snow
-cp -r foreign-c/foreign snow/
-make -C snow/foreign/c SCHEME_IMPLEMENTATION_NAME</code></pre>
+cp -r foreign-c/foreign snow/</code></pre>
         <p>With most implementations the make command does not compile
         anything. When that is the case it will say “Nothing to build on
         SCHEME_IMPLEMENTATION_NAME.”</p>
diff --git a/documentation/foreign-c.pdf b/documentation/foreign-c.pdf
index b99ec83..dada921 100644
Binary files a/documentation/foreign-c.pdf and b/documentation/foreign-c.pdf differ
diff --git a/foreign/c.sld b/foreign/c.sld
index 444c287..121c725 100644
--- a/foreign/c.sld
+++ b/foreign/c.sld
@@ -201,7 +201,7 @@
           c-bytevector->bytevector
 
           ;;;; Utilities
-          libc
+          libc-name
 
           ;; TODO endianness
           native-endianness
@@ -314,7 +314,7 @@
     (gambit (include "c/primitives/gambit.scm"))
     (gauche (include "c/primitives/gauche/define-c-procedure.scm"))
     ;(gerbil (include "c/primitives/gerbil.scm"))
-    (guile (include "c/primitives/guile.scm"))
+    (guile (include "./c/primitives/guile.scm"))
     (kawa (include "c/primitives/kawa.scm"))
     (mit-scheme (include "c/primitives/mit-scheme.scm"))
     ;(larceny (include "c/primitives/larceny.scm"))
diff --git a/foreign/c/libc.scm b/foreign/c/libc.scm
index 45cc695..27ec05f 100644
--- a/foreign/c/libc.scm
+++ b/foreign/c/libc.scm
@@ -1,14 +1,7 @@
 (cond-expand
   (windows
-    (define-c-library libc
-                      '("stdlib.h" "stdio.h" "string.h")
-                      "ucrtbase"
-                      '()))
+    (define libc-name "ucrtbase"))
   (else
-    (define c-library "c")
-    (when (get-environment-variable "BE_HOST_CPU")
-      (set! c-library "root"))
-    (define-c-library libc
-                      '("stdlib.h" "stdio.h" "string.h")
-                      "c"
-                      '((additional-versions ("0" "6"))))))
+    (define libc-name
+      (cond ((get-environment-variable "BE_HOST_CPU") "root") ; Haiku
+            (else "c")))))
diff --git a/foreign/c/pointer.scm b/foreign/c/pointer.scm
index bbb95cc..edbaaaa 100644
--- a/foreign/c/pointer.scm
+++ b/foreign/c/pointer.scm
@@ -1,3 +1,8 @@
+(define-c-library libc
+                  '("stdlib.h" "stdio.h" "string.h")
+                  libc-name
+                  '((additional-versions ("0" "6"))))
+
 (define-c-procedure c-calloc libc 'calloc 'pointer '(int int))
 (cond-expand
   (gambit
diff --git a/tests/hello.scm b/tests/hello.scm
index dc3b997..219700c 100644
--- a/tests/hello.scm
+++ b/tests/hello.scm
@@ -2,6 +2,11 @@
         (scheme write)
         (foreign c))
 
+(define-c-library libc
+                  '("stdlib.h" "stdio.h" "string.h")
+                  libc-name
+                  '((additional-versions ("0" "6"))))
+
 (define-c-procedure c-puts libc 'puts 'int '(pointer))
 (c-puts (string->c-utf8 "Hello from C!"))
 
diff --git a/tests/primitives.scm b/tests/primitives.scm
index ea57c5a..dc513bf 100644
--- a/tests/primitives.scm
+++ b/tests/primitives.scm
@@ -5,6 +5,16 @@
         (scheme process-context)
         (foreign c))
 
+
+(display "libc-name:" )
+(display libc-name)
+(newline)
+
+(define-c-library libc
+                  '("stdlib.h" "stdio.h" "string.h")
+                  libc-name
+                  '((additional-versions ("0" "6"))))
+
 ;; util
 (define header-count 1)