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Re: Use of printf in libtool.m4
From: |
Ralf Wildenhues |
Subject: |
Re: Use of printf in libtool.m4 |
Date: |
Sat, 24 Jun 2006 07:00:47 +0200 |
User-agent: |
Mutt/1.5.11+cvs20060403 |
Hi Peter,
Just to answer a six-months old question:
* Peter O'Gorman wrote on Tue, Dec 06, 2005 at 02:37:20PM CET:
>
> Just looking to put in an honest check for -single_module support into
> libtool.m4 and I see this in _LT_COMPILER_OPTION:
> printf "$lt_simple_compile_test_code" > conftest.$ac_ext
>
> with similar usage elsewhere.
>
> Why do we go to so much effort to find a working echo if printf works
> everywhere? :-p
Because
a) not every system has a printf
http://lists.gnu.org/archive/html/bug-libtool/2006-06/msg00021.html
b) not every system has a working printf: early SunOS versions dumped
core with long arguments (that's why _LT_AC_PROG_ECHO_BACKSLASH tries
long strings).
Cheers,
Ralf
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