--- configure.in.orig	Fri Apr 12 07:09:14 2002
+++ configure.in	Thu Apr 18 00:58:35 2002
@@ -166,7 +166,9 @@
 
 # Some systems don't have Tcl.  Don't build
 # the Tcl products if we don't have the library.
-TCLCONFIG=${TCLSH_EXEC_PREFIX}/lib/tclConfig.sh
+if test -z $TCLCONFIG; then
+    TCLCONFIG=${TCLSH_EXEC_PREFIX}/lib/tclConfig.sh
+fi
 if test -f $TCLCONFIG; then
     AC_MSG_RESULT([using $TCLCONFIG])
     file=${TCLCONFIG}
@@ -242,7 +244,9 @@
 
 # Some systems have Tcl, but not TK.  Don't build
 # the Tk products if we don't have the library.
-TKCONFIG=${WISH_EXEC_PREFIX}/lib/tkConfig.sh
+if test -z $TKCONFIG; then
+    TKCONFIG=${WISH_EXEC_PREFIX}/lib/tkConfig.sh
+fi
 if test -f $TKCONFIG; then
     AC_MSG_RESULT([using $TKCONFIG])
     file=${TKCONFIG}
@@ -561,7 +565,7 @@
 # Checks for header files
 # AC_STDC_HEADERS
 # AC_HAVE_HEADERS(string.h)
-AC_CHECK_HEADERS(malloc.h search.h getopt.h values.h termios.h \
+AC_CHECK_HEADERS(search.h getopt.h values.h termios.h \
 	errno.h sys/time.h unistd.h fpu_control.h sys/fpu.h strings.h)
 AC_HEADER_TIME
 AC_HEADER_DIRENT