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[Gary V. Vaughan]

Sorry guys, I didn't spot the broken Cc: last time around...

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Date: Thu, 14 Dec 2000 02:15:39 +0000
From: "Gary V. Vaughan" <address@hidden>
To: Tom Kacvinsky <address@hidden>
Cc: address@hidden
Subject: Re: check for BSD compatible NM (on Tru64 UNIX)
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In-Reply-To: <address@hidden>; from address@hidden on Sat, Jul 29, 2000 at 
07:14:43PM -0400
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Sender: "Gary V. Vaughan" <address@hidden>

Hi Tom,

Sorry for taking so long to look at this.

I must say that I do not understand this patch at all.  It seems to me
that you are implying that Tru64's egrep cannot do regexp alternation
properly.  Could you try the following for me, and let me know whether
your results are any different to mine, please?

This is based on current CVS:

  $ echo 'foo bar' | egrep '(foo bar|baz)'
  foo bar
  $ echo 'baz' | egrep '(foo bar|baz)'
  baz
  $ echo 'quux' | egrep '(foo bar|baz)'

This is based on the version your patch was against

  $ echo 'foo bar' | egrep -e'(foo bar|baz)'
  foo bar
  $ echo 'baz' | egrep -e'(foo bar|baz)'
  baz
  $ echo 'quux' | egrep -e'(foo bar|baz)'

If the first batch work and the second doesn't, then the current CVS
libtool should fixx your problem.

Cheers,
        Gary.

On Sat, Jul 29, 2000 at 07:14:43PM -0400, Tom Kacvinsky wrote:
> 
> 
> ---------- Forwarded message ----------
> Date: Sun, 12 Dec 1999 13:02:47 -0500 (EST)
> From: Tom Kacvinsky <address@hidden>
> To: address@hidden, address@hidden
> Subject: check for BSD compatible NM (on Tru64 UNIX)
> Resent-Date: Sun, 12 Dec 1999 13:05:59 -0500
> Resent-From: address@hidden
> 
> Here are three patches for making sure the test for a BSD compatible
> NM does not fail on a Tru64 UNIX box.
> 
> Probably ouught to a test problem compilation, and then feed the
> resulting object file through nm, instead of using /dev/null, but I'll
> leave that up to the experts.
> 
> Tom
> 

> *** acinclude.m4.new  Sun Dec 12 12:15:48 1999
> --- acinclude.m4      Thu May 20 16:45:05 1999
> ***************
> *** 329,335 ****
>         # Check to see if the nm accepts a BSD-compat flag.
>         # Adding the `sed 1q' prevents false positives on HP-UX, which says:
>         #   nm: unknown option "B" ignored
> !       if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep 
> -e'(Invalid file or object type|/dev/null)' > /dev/null; then
>       ac_cv_path_NM="$ac_dir/nm -B"
>       break
>         elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep 
> /dev/null >/dev/null; then
> --- 329,335 ----
>         # Check to see if the nm accepts a BSD-compat flag.
>         # Adding the `sed 1q' prevents false positives on HP-UX, which says:
>         #   nm: unknown option "B" ignored
> !       if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep 
> /dev/null >/dev/null; then
>       ac_cv_path_NM="$ac_dir/nm -B"
>       break
>         elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep 
> /dev/null >/dev/null; then

> *** ltconfig.in.new   Sun Dec 12 12:39:02 1999
> --- ltconfig.in       Tue Jun 29 18:48:11 1999
> ***************
> *** 1504,1510 ****
>       # Check to see if the nm accepts a BSD-compat flag.
>       # Adding the `sed 1q' prevents false positives on HP-UX, which says:
>       #   nm: unknown option "B" ignored
> !     if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep 
> -e'(Invalid file or object type|/dev/null)' >/dev/null; then
>         NM="$ac_dir/nm -B"
>         break
>       elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep 
> /dev/null >/dev/null; then
> --- 1504,1510 ----
>       # Check to see if the nm accepts a BSD-compat flag.
>       # Adding the `sed 1q' prevents false positives on HP-UX, which says:
>       #   nm: unknown option "B" ignored
> !     if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null 
> >/dev/null; then
>         NM="$ac_dir/nm -B"
>         break
>       elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep 
> /dev/null >/dev/null; then

> *** aclocal.m4.new    Sun Dec 12 12:20:42 1999
> --- aclocal.m4        Fri Jul  2 12:01:53 1999
> ***************
> *** 319,325 ****
>         # Check to see if the nm accepts a BSD-compat flag.
>         # Adding the `sed 1q' prevents false positives on HP-UX, which says:
>         #   nm: unknown option "B" ignored
> !       if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep 
> -e'(Invalid file or object type|/dev/null)' >/dev/null; then
>       ac_cv_path_NM="$ac_dir/nm -B"
>       break
>         elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep 
> /dev/null >/dev/null; then
> --- 319,325 ----
>         # Check to see if the nm accepts a BSD-compat flag.
>         # Adding the `sed 1q' prevents false positives on HP-UX, which says:
>         #   nm: unknown option "B" ignored
> !       if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep 
> /dev/null >/dev/null; then
>       ac_cv_path_NM="$ac_dir/nm -B"
>       break
>         elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep 
> /dev/null >/dev/null; then


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