diff -dur flex-2.5.31/configure flex-2.5.31-p/configure
--- flex-2.5.31/configure	2003-04-01 18:32:25.000000000 +0200
+++ flex-2.5.31-p/configure	2004-11-04 18:57:48.007085480 +0100
@@ -5825,7 +5825,7 @@
 if test "$INDENT" != indent ; then
    echo "$as_me:$LINENO: checking if $INDENT is GNU indent" >&5
 echo $ECHO_N "checking if $INDENT is GNU indent... $ECHO_C" >&6
-   if $INDENT --version 2>/dev/null | head -1|grep "GNU indent" > /dev/null ; then
+   if $INDENT --version 2>/dev/null | head -n1|grep "GNU indent" > /dev/null ; then
       echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
    else
diff -dur flex-2.5.31/configure.in flex-2.5.31-p/configure.in
--- flex-2.5.31/configure.in	2003-04-01 18:17:51.000000000 +0200
+++ flex-2.5.31-p/configure.in	2004-11-04 18:57:39.858324280 +0100
@@ -48,7 +48,7 @@
 dnl if INDENT is set to 'indent' then we didn't find indent
 if test "$INDENT" != indent ; then
    AC_MSG_CHECKING(if $INDENT is GNU indent)
-   if $INDENT --version 2>/dev/null | head -1|grep "GNU indent" > /dev/null ; then
+   if $INDENT --version 2>/dev/null | head -n1|grep "GNU indent" > /dev/null ; then
       AC_MSG_RESULT(yes)
    else
       AC_MSG_RESULT(no)