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From: "Lyman Neuschaefer" <lyman AT bcsisims DOT com>
To: <cygwin AT cygwin DOT com>
Subject: RE: Unresolved references to opendir/readdir/closedir
Date: Mon, 5 Mar 2001 14:44:46 -0700
Message-ID: <NDBBIAKKHKMFGDHKLMKPGENFCBAA.lyman@bcsisims.com>
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In-Reply-To: <20010305155758.D16971@redhat.com>

Further elaboration on my problem,

Thanks for your reply.  I've tried what you said, but
am still having problems...

After reinstalling cygwin 1.1.8 on
Win NT SP5 I have found definitions
for opendir/readdir/closedir within /lib/libc.a:

 /lib:54>nm -C libc.a |egrep '(opendir|readdir|closedir)'
 00000000 I _imp__readdir
 00000000 T readdir
 00000000 I _imp__opendir
 00000000 T opendir
 00000000 I _imp__closedir
 00000000 T closedir
 00000000 I _imp___readdir
 00000000 T _readdir
 00000000 I _imp___opendir
 00000000 T _opendir
 00000000 T _closedir
 00000000 I _imp___closedir

However, these symbols are still unresolved when linking
an executable as observed below:

 g++  -o svintf SVIntf.o cnf.a \
 ../message/message.a \
 ../viewers/table.a \
 ../common/common.a \
 ../../../tools/bcgui/bcgui.a \
 ../../../tools/support/support.a \
 -L/usr/local/LessTif/Motif2.0/lib -L/usr/X11R6/lib -L/lib -lc -lXm -lXt -lS
M -lICE -lX11
 cnf.a(SVIntfLoader.o)(.text+0x2942):SVIntfLoader.C: undefined reference to
`opendir(char const *)'
 cnf.a(SVIntfLoader.o)(.text+0x2a7b):SVIntfLoader.C: undefined reference to
`readdir(DIR *)'
 cnf.a(SVIntfLoader.o)(.text+0x2c43):SVIntfLoader.C: undefined reference to
`closedir(DIR *)'
 cnf.a(SVIntfLoader.o)(.text+0x2ce4):SVIntfLoader.C: undefined reference to
`opendir(char const *)'
 cnf.a(SVIntfLoader.o)(.text+0x2e3b):SVIntfLoader.C: undefined reference to
`readdir(DIR *)'
 cnf.a(SVIntfLoader.o)(.text+0x3107):SVIntfLoader.C: undefined reference to
`closedir(DIR *)'
 collect2: ld returned 1 exit status

Notice the explicit inclusion of /lib/libc.a (-L/lib -lc).  I am tearing my
hair out on this one.  Thanks for any help you can provide.

Lyman

-----Original Message-----
From: Christopher Faylor [mailto:cgf AT redhat DOT com]
Sent: Monday, March 05, 2001 1:58 PM
To: cygwin AT cygwin DOT com
Cc: lyman AT bcsisims DOT com
Subject: Re: Unresolved references to opendir/readdir/closedir


On Mon, Mar 05, 2001 at 01:59:44PM -0700, Lyman Neuschaefer wrote:
>Apologies in advance for the following inane question:
>
>I am unable to link an executable which uses opendir, readdir
>and closedir.  Via nm I am unable to find definitions for
>these symbols in any of the libraries in /usr/lib.  Moreover,
>I've scoured the cygwin FAQ as well as the cygwin archive
>and have found no answer to this problem.  Surely I'm not
>understanding something fundamental.

You apparently don't have the cygwin package fully installed.
Rerun setup and install it.

cgf


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