GNU bug report logs - #19245
Compile warnings after updating to 2.4.4

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Michael Wobst <wobst.michael <at> web.de>
To: bug-libtool <at> gnu.org
Subject: Compile warnings after updating to 2.4.4
Date: Mon, 01 Dec 2014 20:35:58 +0100

After I updated our project's embedded libldtl to 2.4.4, several "No 
such file or directory" compile warnings showed up; see below:

                                                               ^
mv -f .deps/libltdlc_la-lt_error.Tpo .deps/libltdlc_la-lt_error.Plo
/bin/bash ../libtool --silent  --tag=CC   --mode=compile gcc -std=gnu99 
-DHAVE_CONFIG_H -I. -I..  -DLTDLOPEN=libltdlc -DLT_CONFIG_H='<config.h>' 
-DLTDL -I. -I. -Ilibltdl -I./libltdl -Ilibltdl -I./libltdl/libltdl   -g 
-O2 -fstack-protector -fno-strict-aliasing -Wall -Wbad-function-cast 
-Wcast-align -Wcast-qual -Wclobbered -Wempty-body -Wignored-qualifiers 
-Wlogical-op -Wmissing-declarations -Wmissing-field-initializers 
-Wmissing-include-dirs -Wmissing-parameter-type -Wmissing-prototypes 
-Wnested-externs -Wold-style-declaration -Woverride-init -Wpointer-arith 
-Wredundant-decls -Wshadow -Wsign-compare -Wtype-limits -Wundef 
-Wuninitialized -Wwrite-strings -MT libltdlc_la-ltdl.lo -MD -MP -MF 
.deps/libltdlc_la-ltdl.Tpo -c -o libltdlc_la-ltdl.lo `test -f 'ltdl.c' 
|| echo './'`ltdl.c
cc1: warning: ./libltdl/libltdl: No such file or directory [enabled by 
default]

Regards,
Michael

Message #8 received at 19245 <at> debbugs.gnu.org (full text, mbox):

From: "Gary V. Vaughan" <gary <at> gnu.org>
To: Michael Wobst <wobst.michael <at> web.de>
Cc: 19245 <at> debbugs.gnu.org
Subject: Re: bug#19245: Compile warnings after updating to 2.4.4
Date: Mon, 1 Dec 2014 22:35:12 +0000

Hi Michael,

Thanks for the bug report.  I'm afraid there's almost nothing to go on here though.

> On Dec 1, 2014, at 7:35 PM, Michael Wobst <wobst.michael <at> web.de> wrote:
> 
> After I updated our project's embedded libldtl

from what?

> to 2.4.4, several "No such file or directory" compile warnings showed up; see below:
> 
>                                                               ^
> mv -f .deps/libltdlc_la-lt_error.Tpo .deps/libltdlc_la-lt_error.Plo
> /bin/bash ../libtool --silent  --tag=CC   --mode=compile gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I..  -DLTDLOPEN=libltdlc -DLT_CONFIG_H='<config.h>' -DLTDL -I. -I. -Ilibltdl -I./libltdl -Ilibltdl -I./libltdl/libltdl   -g -O2 -fstack-protector -fno-strict-aliasing -Wall -Wbad-function-cast -Wcast-align -Wcast-qual -Wclobbered -Wempty-body -Wignored-qualifiers -Wlogical-op -Wmissing-declarations -Wmissing-field-initializers -Wmissing-include-dirs -Wmissing-parameter-type -Wmissing-prototypes -Wnested-externs -Wold-style-declaration -Woverride-init -Wpointer-arith -Wredundant-decls -Wshadow -Wsign-compare -Wtype-limits -Wundef -Wuninitialized -Wwrite-strings -MT libltdlc_la-ltdl.lo -MD -MP -MF .deps/libltdlc_la-ltdl.Tpo -c -o libltdlc_la-ltdl.lo `test -f 'ltdl.c' || echo './'`ltdl.c
> cc1: warning: ./libltdl/libltdl: No such file or directory [enabled by default]

Is there a ./libltdl/libltdl file or directory?

What happens when you run the failing libtool command from the shell prompt?

What about when you remove the --silent switch?

Can you see an error in the gcc command that libtool (without --silent) runs?

What happens when you runt *that* from the shell prompt?

Cheers,
-- 
Gary V. Vaughan (gary AT gnu DOT org)

Message #11 received at submit <at> debbugs.gnu.org (full text, mbox):

From: "Gary V. Vaughan" <gary <at> gnu.org>
To: Michael Wobst <wobst.michael <at> web.de>
Cc: bug-libtool <at> gnu.org, close-19245 <at> debbugs.gnu.org
Subject: Re: bug#19245: Compile warnings after updating to 2.4.4
Date: Thu, 4 Dec 2014 14:49:06 +0000

[[put bug-libtool and debbugs back in Cc:]]

Hi Michael,

> On Dec 4, 2014, at 1:45 PM, Michael Wobst <wobst.michael <at> web.de> wrote:
> 
> Hi Garry,

(Just the one 'r' in my name, please! :-)

> well, it's not just a cosmetical change from what I can see in 2.4.4's libltdl/Makefile.am when compared to 2.4.3's libltdl/Makefile.am
> 
> I did a diff -urN to show you what I'm talking about:
> 
> #####################################################################
> --- trunk_2.4.3/libltdl/Makefile.am     2014-12-04 14:11:47.887496698 +0100
> +++ trunk_2.4.4/libltdl/Makefile.am     2014-12-04 14:11:09.087091542 +0100
> @@ -45,8 +45,9 @@
> # -I$(srcdir) is needed for user that built libltdl with a sub-Automake
> # (not as a sub-package!) using 'nostdinc':
> AM_CPPFLAGS           += -DLT_CONFIG_H='<$(LT_CONFIG_H)>' \
> -                         -DLTDL -I. -I$(srcdir) -Ilibltdl \
> -                         -I$(srcdir)/libltdl -I$(srcdir)/libltdl
> +                         -DLTDL -I. -I$(srcdir) \
> +                         -Ilibltdl  -I$(srcdir)/libltdl \
> +                         -Ilibltdl -I$(srcdir)/libltdl/libltdl
> 
> #####################################################################
> 
> Note the last line with the path being '$(srcdir)/libltdl/libltdl'.
> This doesn't appear in previous versions of libtool, but in 2.4.4

Ahah!  Agreed, and fixed in master (I'll push as soon as the testsuite
finishes); thanks for persevering with me.  While the change to ltdl.mk was
indeed cosmetic, I didn't account for the fact that during generation of
libltdl/Makefile.am multiple libltdl/libltdl on a single line of the source
file breaks the edit process.

Thanks again for your help in tracking down and fixing that bug.

Cheers,
-- 
Gary V. Vaughan (gary AT gnu DOT org)

Message #16 received at 19245-close <at> debbugs.gnu.org (full text, mbox):

From: "Gary V. Vaughan" <gary <at> gnu.org>
To: 19245-close <at> debbugs.gnu.org
Subject: Re: bug#19245: Compile warnings after updating to 2.4.4
Date: Thu, 4 Dec 2014 15:00:07 +0000

> On Dec 4, 2014, at 2:53 PM, Michael Wobst <wobst.michael <at> web.de> wrote:
> 
> Hey Gary (with one 'r') ;-)
> 
> I'm glad we finally figured it out. Thanks!
> 
> Greets,
> Michael
> 
> Gary V. Vaughan schrieb:
>> [[put bug-libtool and debbugs back in Cc:]]
>> 
>> Hi Michael,
>> 
>>> On Dec 4, 2014, at 1:45 PM, Michael Wobst <wobst.michael <at> web.de> wrote:
>>> 
>>> Hi Garry,
>> 
>> (Just the one 'r' in my name, please! :-)
>> 
>>> well, it's not just a cosmetical change from what I can see in 2.4.4's libltdl/Makefile.am when compared to 2.4.3's libltdl/Makefile.am
>>> 
>>> I did a diff -urN to show you what I'm talking about:
>>> 
>>> #####################################################################
>>> --- trunk_2.4.3/libltdl/Makefile.am     2014-12-04 14:11:47.887496698 +0100
>>> +++ trunk_2.4.4/libltdl/Makefile.am     2014-12-04 14:11:09.087091542 +0100
>>> @@ -45,8 +45,9 @@
>>> # -I$(srcdir) is needed for user that built libltdl with a sub-Automake
>>> # (not as a sub-package!) using 'nostdinc':
>>> AM_CPPFLAGS           += -DLT_CONFIG_H='<$(LT_CONFIG_H)>' \
>>> -                         -DLTDL -I. -I$(srcdir) -Ilibltdl \
>>> -                         -I$(srcdir)/libltdl -I$(srcdir)/libltdl
>>> +                         -DLTDL -I. -I$(srcdir) \
>>> +                         -Ilibltdl  -I$(srcdir)/libltdl \
>>> +                         -Ilibltdl -I$(srcdir)/libltdl/libltdl
>>> 
>>> #####################################################################
>>> 
>>> Note the last line with the path being '$(srcdir)/libltdl/libltdl'.
>>> This doesn't appear in previous versions of libtool, but in 2.4.4
>> 
>> Ahah!  Agreed, and fixed in master (I'll push as soon as the testsuite
>> finishes); thanks for persevering with me.  While the change to ltdl.mk was
>> indeed cosmetic, I didn't account for the fact that during generation of
>> libltdl/Makefile.am multiple libltdl/libltdl on a single line of the source
>> file breaks the edit process.
>> 
>> Thanks again for your help in tracking down and fixing that bug.
>> 
>> Cheers,
>> 

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