diff -ur otea/sampleextension/pkgIndex.tcl.in ntea/sampleextension/pkgIndex.tcl.in
--- otea/sampleextension/pkgIndex.tcl.in	Tue Nov 29 19:10:48 2005
+++ ntea/sampleextension/pkgIndex.tcl.in	Wed Sep  3 14:23:15 2008
@@ -1,5 +1,5 @@
 #
 # Tcl package index file
 #
-package ifneeded Tclsha1 @PACKAGE_VERSION@ \
+package ifneeded @PACKAGE_NAME@ @PACKAGE_VERSION@ \
     [list load [file join $dir @PKG_LIB_FILE@] @PACKAGE_NAME@]
Only in ntea/sampleextension: pkgIndex.tcl.in~
diff -ur otea/sampleextension/tclconfig/tcl.m4 ntea/sampleextension/tclconfig/tcl.m4
--- otea/sampleextension/tclconfig/tcl.m4	Tue Aug 12 06:32:30 2008
+++ ntea/sampleextension/tclconfig/tcl.m4	Wed Sep  3 14:47:34 2008
@@ -358,7 +358,7 @@
     elif test "`uname -s`" = "Darwin"; then
 	# If Tcl was built as a framework, attempt to use the libraries
 	# from the framework at the given location so that linking works
-	# against Tcl.framework installed in an arbitary location.
+	# against Tcl.framework installed in an arbitrary location.
 	case ${TCL_DEFS} in
 	    *TCL_FRAMEWORK*)
 		if test -f "${TCL_BIN_DIR}/${TCL_LIB_FILE}"; then
@@ -447,7 +447,7 @@
     elif test "`uname -s`" = "Darwin"; then
 	# If Tk was built as a framework, attempt to use the libraries
 	# from the framework at the given location so that linking works
-	# against Tk.framework installed in an arbitary location.
+	# against Tk.framework installed in an arbitrary location.
 	case ${TK_DEFS} in
 	    *TK_FRAMEWORK*)
 		if test -f "${TK_BIN_DIR}/${TK_LIB_FILE}"; then
@@ -520,7 +520,7 @@
 #	none
 #
 # Results
-#	Subst's the following values:
+#	Substs the following values:
 #		TCLSH_PROG
 #------------------------------------------------------------------------
 
@@ -570,7 +570,7 @@
 #	none
 #
 # Results
-#	Subst's the following values:
+#	Substs the following values:
 #		WISH_PROG
 #------------------------------------------------------------------------
 
@@ -1115,7 +1115,7 @@
     AS_IF([test "$GCC" = yes], [
 	# TEA specific:
 	CFLAGS_OPTIMIZE=-O2
-	CFLAGS_WARNING="-Wall -Wno-implicit-int"
+	CFLAGS_WARNING="-Wall"
     ], [CFLAGS_WARNING=""])
     TCL_NEEDS_EXP_FILE=0
     TCL_BUILD_EXP_FILE=""
@@ -1125,6 +1125,7 @@
     AC_CHECK_PROG(AR, ar, ar)
     STLIB_LD='${AR} cr'
     LD_LIBRARY_PATH_VAR="LD_LIBRARY_PATH"
+    AS_IF([test "x$SHLIB_VERSION" = x],[SHLIB_VERSION="1.0"])
     case $system in
 	# TEA specific:
 	windows)
@@ -1684,7 +1685,7 @@
 	    AS_IF([test $tcl_cv_ld_elf = yes], [
 		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so'
 	    ], [
-		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
+		SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.${SHLIB_VERSION}'
 	    ])
 
 	    # Ancient FreeBSD doesn't handle version numbers with dots.
@@ -1702,7 +1703,7 @@
 	    AS_IF([test $doRpath = yes], [
 		CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'])
 	    LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
-	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
+	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.${SHLIB_VERSION}'
 	    AC_CACHE_CHECK([for ELF], tcl_cv_ld_elf, [
 		AC_EGREP_CPP(yes, [
 #ifdef __ELF__
@@ -1983,7 +1984,7 @@
 	    # requires an extra version number at the end of .so file names.
 	    # So, the library has to have a name like libtcl75.so.1.0
 
-	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
+	    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.${SHLIB_VERSION}'
 	    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
 	    TCL_LIB_VERSIONS_OK=nodots
 	    ;;
@@ -2334,7 +2335,7 @@
 #	Supply substitutes for missing POSIX header files.  Special
 #	notes:
 #	    - stdlib.h doesn't define strtol, strtoul, or
-#	      strtod insome versions of SunOS
+#	      strtod in some versions of SunOS
 #	    - some versions of string.h don't declare procedures such
 #	      as strstr
 #
@@ -2701,7 +2702,7 @@
 #	
 # Results:
 #
-#	Subst's the following var:
+#	Substs the following var:
 #		TCL_LIBS
 #		MATH_LIBS
 #
@@ -3617,6 +3618,7 @@
 		AC_MSG_ERROR([${with_tclinclude} directory does not contain tcl.h])
 	    fi
 	else
+	    list=""
 	    if test "`uname -s`" = "Darwin"; then
 		# If Tcl was built as a framework, attempt to use
 		# the framework's Headers directory
@@ -3780,6 +3782,7 @@
 		AC_MSG_ERROR([${with_tkinclude} directory does not contain tk.h])
 	    fi
 	else
+	    list=""
 	    if test "`uname -s`" = "Darwin"; then
 		# If Tk was built as a framework, attempt to use
 		# the framework's Headers directory.
@@ -3809,6 +3812,10 @@
 		`ls -d ${TCL_BIN_DIR}/../include 2>/dev/null`"
 	    if test "${TEA_PLATFORM}" != "windows" -o "$GCC" = "yes"; then
 		list="$list /usr/local/include /usr/include"
+		if test x"${TK_INCLUDE_SPEC}" != x ; then
+		    d=`echo "${TK_INCLUDE_SPEC}" | sed -e 's/^-I//'`
+		    list="$list `ls -d ${d} 2>/dev/null`"
+		fi
 	    fi
 	    for i in $list ; do
 		if test -f "$i/tk.h" ; then
