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Re: test builtin of bash is not using nanosecond timestamps

From: Chet Ramey
Subject: Re: test builtin of bash is not using nanosecond timestamps
Date: Tue, 06 Mar 2012 19:26:31 -0500
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On 3/6/12 7:22 AM, address@hidden wrote:
> Configuration Information [Automatically generated, do not change]:
> Machine: i586
> OS: linux-gnu
> Compiler: gcc -I/usr/src/packages/BUILD/bash-4.2 
> -L/usr/src/packages/BUILD/bash-4.2/../readline-6.2
> Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i586' 
> -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i586-suse-linux-gnu' 
> -DCONF_VENDOR='suse' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL 
> -DHAVE_CONFIG_H   -I.  -I. -I./include -I./lib   -march=i586 -mtune=i686 
> -fmessage-length=0 -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector 
> -funwind-tables -fasynchronous-unwind-tables -g -D_LARGEFILE64_SOURCE 
> -Wextra -Wno-unprototyped-calls -Wno-switch-enum -Wno-unused-variable 
> -Wno-unused-parameter -ftree-loop-linear -pipe -fprofile-use
> uname output: Linux boole #5 SMP Fri Sep 24 16:09:41 CEST 
> 2010 i686 i686 i386 GNU/Linux
> Machine Type: i586-suse-linux-gnu
> Bash Version: 4.2
> Patch Level: 20
> Release Status: release
> Description:
>       As in subject the test builtin does not use the nanosecond timestamps
>       of the stat structure specified in POSIX.1-2008.  The patch included
>       shouls add the comparision of the nanosecond timestamps.

Thanks for the report.  Unfortunately, the way different versions of Unix
name the `struct timespec' members of struct stat varies, and so the patch
is only valid on Linux, Solaris, and Cygwin.  I will come up with some
autoconf-based way to do it.

``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/

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