Index: Makefile.in
==================================================================
--- Makefile.in
+++ Makefile.in
@@ -12,19 +12,20 @@
 CPPFLAGS = @CPPFLAGS@ -I@srcdir@ -I@srcdir@/tcc -Itcc @DEFS@ @SHOBJCPPFLAGS@
 LDFLAGS = @LDFLAGS@
 SHOBJLDFLAGS = @SHOBJLDFLAGS@
 LIBS = @LIBS@
 INSTALL = @INSTALL@
+TCLSH = tclsh
 
 PACKAGE_NAME = @PACKAGE_NAME@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 
 TCLCONFIGPATH = @TCLCONFIGPATH@
 TCL_PACKAGE_PATH = @TCL_PACKAGE_PATH@
 tcllibdir = $(shell if echo "$(libdir)" | grep '^UNSPECIFIED' >/dev/null; then echo $(TCL_PACKAGE_PATH); else echo "$(libdir)"; fi)
 PACKAGE_INSTALL_DIR = $(tcllibdir)/$(PACKAGE_NAME)-$(PACKAGE_VERSION)
-TCC_CONFIGURE_OPTS = --cc='$(CC)' --extra-cflags='$(CPPFLAGS) $(CFLAGS) -DCONFIG_TCC_STATIC=1' --with-tcl=$(TCLCONFIGPATH) --sysincludepaths='{B}/include:{B}/include/1:{B}/include/2:{B}/include/3:{B}/include/4:{B}/include/5:{B}/include/6:{B}/include/7:{B}/include/8:{B}/include/9' --libpaths='{B}/lib' @TCC_CONFIGURE_OPTS@
+TCC_CONFIGURE_OPTS = --cc='$(CC)' --extra-cflags='$(CPPFLAGS) $(CFLAGS) -DCONFIG_TCC_STATIC=1' --with-tcl=$(TCLCONFIGPATH) --sysincludepaths='{B}/include@HOST_PATH_SEPARATOR@{B}/include/1@HOST_PATH_SEPARATOR@{B}/include/2@HOST_PATH_SEPARATOR@{B}/include/3@HOST_PATH_SEPARATOR@{B}/include/4@HOST_PATH_SEPARATOR@{B}/include/5@HOST_PATH_SEPARATOR@{B}/include/6@HOST_PATH_SEPARATOR@{B}/include/7@HOST_PATH_SEPARATOR@{B}/include/8@HOST_PATH_SEPARATOR@{B}/include/9' --libpaths='{B}/lib' @TCC_CONFIGURE_OPTS@
 INSTALL_HEADERS = tcl.h assert.h ctype.h errno.h float.h limits.h locale.h math.h setjmp.h signal.h stdarg.h stddef.h stdint.h stdio.h stdlib.h string.h time.h wctype.h
 srcdir = @srcdir@
 host_os = @host_os@
 @SET_MAKE@
 
@@ -86,11 +87,11 @@
 
 test:
 	rm -rf __TMP__
 	$(MAKE) install tcllibdir=$(shell pwd)/__TMP__
 	-if [ "$(PACKAGE_VERSION)" = '@@VERS@@' ]; then cd __TMP__/* && sed -i 's|@@VERS@@|0.0.0.11|g' tcc4tcl.@SHOBJEXT@ pkgIndex.tcl; fi
-	tclsh test
+	$(TCLSH) test __TMP__
 	echo Tests Completed OK > TEST-STATUS
 	rm -rf __TMP__
 
 clean:
 	rm -f tcc4tcl.o

Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -59,10 +59,21 @@
 ])
 
 if test "$no_dlopen" = '1'; then
 	CPPFLAGS="${CPPFLAGS} -DCONFIG_TCC_STATIC_NODLOPEN=1"
 fi
+
+dnl Determine HOST_PATH_SEPERATOR
+case $host_os in
+	*mingw*)
+		HOST_PATH_SEPARATOR=';'
+		;;
+	*)
+		HOST_PATH_SEPARATOR=':'
+		;;
+esac
+AC_SUBST(HOST_PATH_SEPARATOR)
 
 dnl Perform Tcl Extension required stuff
 TCLEXT_INIT
 
 dnl This must be done last since it breaks the compilation

Index: test
==================================================================
--- test
+++ test
@@ -1,8 +1,8 @@
 #! /usr/bin/env tclsh
 
-lappend auto_path __TMP__
+lappend auto_path [lindex $argv 0]
 package require tcc4tcl
 
 tcc4tcl::cproc test {int i} int { return(i+42); }
 tcc4tcl::cproc test1 {int i} int { return(i+42); }
 puts [test 1]