Re: javacomp: portability fix

[Ralf Wildenhues]

Hello Bruno, and hope y'all have had nice holidays,

* Bruno Haible wrote on Sat, Dec 26, 2009 at 04:26:35PM CET:
> The creation of a binary file from within javacomp.m4 created a wrong file
> on Solaris, because Solaris 'tr' (all of /usr/bin/tr, /usr/xpg4/bin/tr,
> /usr/xpg6/bin/tr) behave differently than GNU 'tr' in a particular case.

I've tried to read the patch, but it's too much line noise to decipher
quickly.  What's the difference in behavior here, and is this something
that we should document in autoconf.texi's portability section?

Thanks!
Ralf

> 2009-12-26  Bruno Haible  <address@hidden>
> 
>       javacomp: Portability fix.
>       * m4/javacomp.m4 (gt_JAVACOMP): Fix creation of conftestver.class so
>       that it also works on Solaris.
> 
> --- m4/javacomp.m4.orig       Sat Dec 26 16:22:28 2009
> +++ m4/javacomp.m4    Sat Dec 26 16:20:37 2009
> @@ -1,4 +1,4 @@
> -# javacomp.m4 serial 11
> +# javacomp.m4 serial 12
>  dnl Copyright (C) 2001-2003, 2006-2007, 2009 Free Software Foundation, Inc.
>  dnl This file is free software; the Free Software Foundation
>  dnl gives unlimited permission to copy and/or distribute it,
> @@ -88,9 +88,9 @@
>         dnl and the long tr command in opposite direction.
>         dnl Finally move the position corresponding to \055 to the last 
> position,
>         dnl to work around a coreutils-5.x bug.
> -       echo 
> 'xyvw!$!H!C,!)!2+!3!4*!5,!3!6,!7!8)!9)!:"!(LdhdmM"!$EFV"!%Ni_a"!1PdhaQngYakUXYfa"!%gXdh"!8EWPeXoXJfXhcJTmkdhcKFV"!,TinkZaOdfa"!2ZihbmalmoakIeXoX.!*!+)!;.!<!="!<eXoXIljaZdbdZXmdihIoakldih.!>!?)address@hidden"!-Zihbmalmoak"!2eXoXJfXhcJRYeaZm"!2eXoXJfXhcJTplmag"!$inm"!7PeXoXJdiJSkdhmTmkaXgK"!-camSkijakmp"!DEPeXoXJfXhcJTmkdhcKFPeXoXJfXhcJTmkdhcK"!5eXoXJdiJSkdhmTmkaXg"!)jkdhmfh"!7EPeXoXJfXhcJTmkdhcKFV!C!(!)!!!!!#!"!*!+!"!,!!!?!"!"!!!&Gt!"q!!!"!-!!!(!"!!!"!+!.!/!"!,!!!E!#!"!!!.r!#4$u!%s!&q!!!"!-!!!,!#!!!$!-!%!"!0!!!#!1'
>  \
> +       echo 
> 'yzwx!$!I!D,!)!3+!4!5*!6,!4!7,!8!9)!:)!;"!(MeienN"!$FGW"!%Ojab"!2QeibRohZblVYZgb"!%hYei"!9FXQfYpYKgYidKUnleidLGW"!,Ujol_bPegb"!3_jicnbmnpblJfYpY/!*!+)!</!=!>"!=fYpYJmkb_ece_YnejiJpblmeji/!?!@)!A/!B!C"!._jicnbmnpbl"!3fYpYKgYidKSZfb_n"!3fYpYKgYidKUqmnbh"!$jon"!8QfYpYKejKTleinUnlbYhL"!.dbnTljkblnq"!EFQfYpYKgYidKUnleidLGQfYpYKgYidKUnleidL"!6fYpYKejKTleinUnlbYh"!)kleingi"!8FQfYpYKgYidKUnleidLGW!D!(!)!!!!!#!"!*!+!"!,address@hidden"!"!!!&Hu!"r!!!"!.!!!(!"!!!"!+!/!0!"!,!!!F!#!"!!!/s!#5$v!%t!&r!!!"!.!!!,!#!!!$!.!%!"!1!!!#!2'
>  \
>           | tr -d '\012\015' \
> -         | tr '!"#$%&()*+,-./0123456789:;<=>address@hidden' 
> '\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\046\050\051\052\056\057\073\074\076\103\106\114\116\117\120\123\124\126\133\141\142\143\144\145\146\147\151\152\154\155\156\157\160\162\163\164\165\166\171\261\262\266\267\270\272\276\312\376\055'
>  \
> +         | tr '!"#$%&()*+,./0123456789:;<=>address@hidden' 
> '\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\046\050\051\052\056\057\073\074\076\103\106\114\116\117\120\123\124\126\133\141\142\143\144\145\146\147\151\152\154\155\156\157\160\162\163\164\165\166\171\261\262\266\267\270\272\276\312\376\055'
>  \
>           > conftestver.class
>         target_version=`{
>           unset JAVA_HOME