Re: Berkeley DB cannot be found on Ubuntu

[daniel s. <dan...@gm...>]

It goes in the direction of my hypothesis.

 nm -D /usr/lib/x86_64-linux-gnu/libdb.so | grep db_create

0000000000030f40 T __bam_db_create
00000000000fa7a0 T db_create
00000000000fa0d0 T __db_create_internal
0000000000054810 T __ham_db_create
000000000006c9a0 T __heap_db_create
0000000000075c40 T __qam_db_create

Thank you, Oswald.

On Tue, Jul 14, 2015 at 7:47 PM Oswald Buddenhagen <
osw...@gm...> wrote:

> On Mon, Jul 13, 2015 at 11:27:09PM +0000, daniel szmulewicz wrote:
> > The config.log reveals:
> >
> > configure:4723: checking for Berkeley DB >= 4.1
> > configure:4745: gcc -o conftest -g -O2 -pipe -W -Wall -Wshadow
> > -Wstrict-prototypes -ansi -pedantic -Wno-overlength-strings
> -D_GNU_SOURCE
> >      -ldb conftest.c  >&5
> > conftest.c:34:1: warning: function declaration isn't a prototype
> > [-Wstrict-prototypes]
> >  main ()
> >  ^
> > /tmp/ccaGDsAw.o: In function `main':
> > /home/daniel/isync-isync/conftest.c:37: undefined reference to
> `db_create'
> > collect2: error: ld returned 1 exit status
> >
> > So the linker cannot find the required function. Interesting.
> >
> > If I had to guess, which I really shouldn't because I'm not a C
> programmer
> > at all, the problem is that recent versions of gcc require that you put
> the
> > object files and libraries in the order that they depend on each other.
> In
> > other words, conftest.c should be before -ldb. This is actually
> consistent
> > from what I observe elsewhere in the log, for example conftest.c precedes
> > -lsasl2, etc.
> >
> what happens if you use that command line with switched argument order
> to compile the test program manually? that's a rather easy test for your
> hypothesis.
>
> what does
>
>   nm -D <whereever your libdb.so is> | grep db_create
>
> produce?
>
>
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