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Re: [Lynx-dev] predictable PRNG used

From: Thomas Dickey
Subject: Re: [Lynx-dev] predictable PRNG used
Date: Thu, 9 Jul 2009 04:38:38 -0400 (EDT)

On Thu, 9 Jul 2009, Atsuhito Kohda wrote:

On Wed, 8 Jul 2009 20:36:14 -0400 (EDT), Thomas Dickey wrote:

The output from the configure script is something to check - it
should whether lynx will be using the other functions, e.g.,

checking for random-integer functions... arc4random_stir/arc4random
checking for range of random-integers... 0xFFFFFFFFUL

Thanks for your advice.  I checked config.log and by searching
"random" I found the followings.

configure:25022: checking for random-integer functions
configure:25061: gcc -o conftest -O2  -D_FILE_OFFSET_BITS=64  -D_GNU_SOURCE  -DLINUX 
-I/usr/include/ncursesw  conftest.c -L/usr/lib -lncursesw -lgnutls -lcrypt -lbsd  
/tmp/ccy2f6ti.o: In function `main':
conftest.c:(.text+0x19): undefined reference to `arc4random_push'
collect2: ld returned 1 exit status
configure:25064: $? = 1

configure:25082: result: arc4random_stir/arc4random

We're looking at config.log (which shows extra details). I had in mind the lines which are printed to the standard output. This detail line has the information that the configure script would print to standard output,
which is what we want to see.

configure:25085: checking for range of random-integers
configure:25125: gcc -c -O2  -D_FILE_OFFSET_BITS=64  -D_GNU_SOURCE  -DLINUX 
-I/usr/include/ncursesw conftest.c >&5
configure:25128: $? = 0
configure:25131: test -s conftest.o
configure:25134: $? = 0
configure:25145: result: 0xFFFFFFFFUL

I'm afraid the first block looked bad but not sure.
Is there any other information necessary?

Regards,                        2009-7-9(Thu)

Debian Developer - much more I18N of Debian
Atsuhito Kohda <kohda AT>
Department of Math., Univ. of Tokushima

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Thomas E. Dickey

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