Dovecot fails to compile --with-cdb (and attempted fix)

[Jeffrey 'jf' Lim]

On Thu, Mar 12, 2015 at 9:43 PM, Timo Sirainen <tss at iki.fi> wrote:

> On 10 Mar 2015, at 16:24, Jeffrey 'jf' Lim <jfs.world at gmail.com> wrote:
> >
> > On Tue, Mar 10, 2015 at 2:22 AM, Jeffrey 'jf' Lim <jfs.world at gmail.com>
> > wrote:
> >
> >> On Tue, Mar 10, 2015 at 2:15 AM, Jeffrey 'jf' Lim <jfs.world at gmail.com>
> >> wrote:
> >>
> >>> Dovecot version: 2.2.15
> >>> Tinycdb: 0.78
> >>>
> >>> I'm attempting to compile dovecot --with-cdb, but keep getting into a
> >>> problem with cdb:
> >>> ========================
> >>> libtool: link: gcc -std=gnu99 -g -O2 -Wall -W -Wmissing-prototypes
> >>> -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2
> >>> -Wbad-function-cast -fno-builtin-strftime -Wstrict-aliasing=2
> >>> -Wl,--as-needed -o .libs/anvil main.o anvil-connection.o
> anvil-settings.o
> >>> connect-limit.o penalty.o -Wl,--export-dynamic
> >>> ../../src/lib-dovecot/.libs/libdovecot.so -ldl -lrt -Wl,-rpath
> >>> -Wl,/usr/local/lib/dovecot
> >>> ../../src/lib-dovecot/.libs/libdovecot.so: undefined reference to
> >>> `cdb_read'
> >>> ../../src/lib-dovecot/.libs/libdovecot.so: undefined reference to
> >>> `cdb_find'
> >>> ../../src/lib-dovecot/.libs/libdovecot.so: undefined reference to
> >>> `cdb_free'
> >>> ../../src/lib-dovecot/.libs/libdovecot.so: undefined reference to
> >>> `cdb_init'
> >>> collect2: ld returned 1 exit status
> >>> make[3]: *** [anvil] Error 1
> >>> make[3]: Leaving directory `/home/jf/dovecot-2.2.15/src/anvil'
> >>> ==========================
> >>>
> >>> After some troubleshooting, I've finally managed to get dovecot to
> >>> compile, albeit with a hack:
> >>>
> >>> --- src/lib-dovecot/Makefile.old    2015-03-09 17:36:15.690179802 +0000
> >>> +++ src/lib-dovecot/Makefile    2015-03-09 18:01:43.075719700 +0000
> >>> @@ -230,7 +230,7 @@
> >>> LIBDOVECOT_STORAGE_DEPS = $(top_builddir)/src/lib-storage/
> >>> libdovecot-storage.la $(top_builddir)/src/lib-imap-storage/
> >>> libimap-storage.la
> >>> LIBICONV =
> >>> LIBOBJS =
> >>> -LIBS = -lrt
> >>> +LIBS = -lrt -lcdb
> >>> LIBTOOL = $(SHELL) $(top_builddir)/libtool
> >>> LIBWRAP_LIBS =
> >>> LINKED_STORAGE_LDADD =
> >>>
> >>> This isn't the best fix, admittedly (I wish I were more familiar with
> >>> autotools), but I'll say that the configure process isn't right yet for
> >>> cdb. Can anybody produce a better fix? Would love to learn more.
> >>>
> >>>
> >> ok, well I guess that "fixed" the compilation, but as I've just found
> out,
> >> it does *not* link in libcdb (I've got libcdb in /usr/local/lib)
> properly!
> >> Has anybody tried to compile dovecot with cdb support?
> >>
> >
> > For anybody following: sorry, my bad. It turns out I hadn't set CPPFLAGS
> > and LDFLAGS during the configure to use /usr/local/{include,lib}. When
> > that's done, this works (in the sense that libdovecot.so is now linked
> with
> > libcdb!).
> >
> > I'm not so sure that this is the best place to link libcdb in, though,
> but
> > for an expedient fix, it works.... Would appreciate somebody more
> familiar
> > with the code weighing in on this one.
>
> Well, it was never supposed to be linked to anything except the dict
> binary, allowing it to be used via the dict proxy. Changed:
> http://hg.dovecot.org/dovecot-2.2/rev/16ff063e3588
>
>
Thanks, Timo. Is this the only patch that needs to go in for the current
version (2.2.15)? I've applied this to 2.2.15, and configured and compiled
as before:

CPPFLAGS=-I/usr/local/include LDFLAGS=-L/usr/local/lib ./configure
--with-cdb
make

and I still get the same errors.

-jf