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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

a) not every system has a printf
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).


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