[Ur] Trouble getting started. Link errors.

[Steve Sims]

Hi Gergely,

Thanks for the suggestions.  I tried that but unfortunately I still get the
same result.  I added some entries to my .bashrc file adapting yours by
substituting the local/lib, local/bin, include in your home directory to
/usr/local which is where I have them installed.

Steve

On Tue, Jan 3, 2012 at 4:16 AM, Gergely Buday <gbuday at gmail.com> wrote:

> Steve,
>
> here is my .bashrc, I do not remember why I did these but probably it
> will help you as well, tailored properly.
>
> if ! echo $PATH | grep "/home/gergoe/local/bin" >/dev/null
> then
>  export PATH=/home/gergoe/local/bin:$PATH
> fi
> if ! echo $LD_LIBRARY_PATH | grep "/home/gergoe/local/lib" >/dev/null
> then
>  export LD_LIBRARY_PATH=/usr/lib64:/home/gergoe/local/lib:$LD_LIBRARY_PATH
> fi
>
> if ! echo $LIBRARY_PATH | grep "/usr/lib64/mysql" >/dev/null
> then
>  export LIBRARY_PATH=/usr/lib64/mysql:$LIBRARY_PATH
> fi
> if ! echo $CPATH | grep "/home/gergoe/include" >/dev/null
> then
>  export CPATH=/home/gergoe/include:$CPATH
> fi
>
> - Gergely
>
> On 3 January 2012 03:40, Steve Sims <steve at simsnet.org> wrote:
> >
> > Adam.  Thanks for the quick response.  Forgive my lack of gcc
> > compiler/linker
> > skills.  I have lead a sheltered life programming mostly in SML :)
> >  Regarding
> > your question, I am not sure how to check that it is loading the correct
> > version
> > of liburweb.  What I tried was to just directly include liburweb.a on the
> > command
> > line produced by the urweb -debug.  With that I get:
> >
> > steve at truman:~/simsnet$ gcc -Werror -lm  -pthread
>  -L/usr/local/lib/urweb/..
> > -lurweb -lurweb_http   -lssl -lcrypto  /usr/local/lib/liburweb.a
> > /tmp/webapp.o -o /home/steve/simsnet/simsnet.exe  -g
> > /usr/local/lib/liburweb.a(urweb.o): In function `uw_Basis_rand':
> > /home/steve/urweb/src/c/urweb.c:3821: undefined reference to `RAND_bytes'
> > /usr/local/lib/liburweb.a(urweb.o): In function `uw_Basis_crypt':
> > /home/steve/urweb/src/c/urweb.c:3884: undefined reference to `DES_fcrypt'
> > /usr/local/lib/liburweb.a(urweb.o): In function `uw_Basis_ceil':
> > /home/steve/urweb/src/c/urweb.c:3966: undefined reference to `ceil'
> > /usr/local/lib/liburweb.a(urweb.o): In function `uw_Basis_round':
> > /home/steve/urweb/src/c/urweb.c:3974: undefined reference to `llround'
> > /usr/local/lib/liburweb.a(openssl.o): In function `uw_sign':
> > /home/steve/urweb/src/c/openssl.c:68: undefined reference to
> `SHA256_Init'
> > /home/steve/urweb/src/c/openssl.c:69: undefined reference to
> `SHA256_Update'
> > /home/steve/urweb/src/c/openssl.c:70: undefined reference to
> `SHA256_Update'
> > /home/steve/urweb/src/c/openssl.c:71: undefined reference to
> `SHA256_Final'
> > collect2: ld returned 1 exit status
> >
> > Which caused me to guess that liburweb.a wants to dynamically load the
> open
> > ssh libraries but is not finding them.  So I added another -L flag to the
> > command line pointing to the directory containing the open ssh libraries
> > (libssl, libcrypto), but I still get the same errors as above.
> >
> > Again, any advice is appreciated.
> >
> > Thanks,
> > Steve
> >
> >
> >
> > On Mon, Jan 2, 2012 at 6:34 PM, Adam Chlipala <adamc at impredicative.com>
> > wrote:
> >>
> >> Steve Sims wrote:
> >>>
> >>> Hello.  I have been watching Ur/Web for a while with great interest and
> >>> finally found
> >>> some time to kick the tires.  Unfortunately, I hit the same error that
> >>> was reported on
> >>> the list in November:
> >>>
> >>> $ urweb simsnet
> >>> /tmp/fileEazvG0/webapp.o: In function `uw_cookie_sig':
> >>> webapp.c:(.text+0xd4): undefined reference to `uw_hash_blocksize'
> >>
> >>
> >> Weird.  This at least looks like a very basic issue.  As you mentioned,
> my
> >> take on the problem before was that liburweb wasn't being dynamically
> loaded
> >> properly.  Can you verify that the expected liburweb file is being
> >> consulted?  Whatever is happening should be possible to debug just by
> >> working with the linker command line that you see with the '-debug'
> option.
> >>
> >> _______________________________________________
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> >> Ur at impredicative.com
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> >
> >
> >
> > _______________________________________________
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> >
>
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