[Dovecot] 1.1beta9 'make' fails on osx/Tiger, but OK on osx/Leopard (multiple definitions of symbol _hash_create)

[snowcrash]

i'm building

	dovecot 1.1.beta9

on both

	osx 10.4.11
	osx 10.5.1

using

	Using built-in specs.
	Target: powerpc-apple-darwin8
	Configured with: /Builds/apple/gcc_42-5531/obj/src/configure
--disable-checking -enable-werror --prefix=/usr
--mandir=/usr/share/man --enable-languages=c,objc,c++,obj-c++
--program-transform-name=/^[cg][^.-]*$/s/$/-4.2/
--with-gxx-include-dir=/usr/include/c++/4.0.0 --with-slibdir=/usr/lib
--build=i686-apple-darwin8 --program-prefix=
--host=powerpc-apple-darwin8 --target=powerpc-apple-darwin8
	Thread model: posix
	gcc version 4.2.1 (Apple Inc. build 5531)

on both boxes.


configuring as

	Install prefix ...................... : /usr/local/dovecot
	File offsets ........................ : 64bit
	I/O loop method ..................... : kqueue
	File change notification method ..... : kqueue
	Building with SSL support ........... : yes (OpenSSL)
	Building with IPv6 support .......... : yes
	Building with pop3 server ........... : yes
	Building with mail delivery agent  .. : yes
	Building with GSSAPI support ........ : no
	Building with user database modules . : static prefetch passwd
passwd-file checkpassword sql
	Building with password lookup modules : passwd passwd-file pam
checkpassword sql
	Building with SQL drivers ............:mysql sqlite

is OK on both boxes.

on Leopard,

	make

completes without error.

but, on Tiger, it fails @

	make
	...
	make[3]: Nothing to be done for `all'.
	Making all in master
	/bin/sh ../../libtool --tag=CC   --mode=link gcc  -std=gnu99 -g -O2
-Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith
-Wchar-subscripts -Wformat=2 -Wbad-function-cast -Wstrict-aliasing=2
-I/usr/local/ssl/include     -L/usr/local/db46/lib
-L/usr/local/sqlite/lib -lsqlite3 -L/usr/local/mysql/lib/mysql
-L/usr/local/lib -liconv -o dovecot auth-process.o askpass.o
capabilities-posix.o child-process.o dict-process.o dup2-array.o
listener.o log.o login-process.o mail-process.o main.o
master-settings.o syslog-util.o ssl-init.o
../lib-settings/libsettings.a ../lib/liblib.a
	gcc -std=gnu99 -g -O2 -Wall -W -Wmissing-prototypes
-Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2
-Wbad-function-cast -Wstrict-aliasing=2 -I/usr/local/ssl/include -o
dovecot auth-process.o askpass.o capabilities-posix.o child-process.o
dict-process.o dup2-array.o listener.o log.o login-process.o
mail-process.o main.o master-settings.o syslog-util.o ssl-init.o
-L/usr/local/db46/lib -L/usr/local/sqlite/lib
/usr/local/sqlite/lib/libsqlite3.dylib -L/usr/local/lib -lreadline
-lncurses -lpthread -L/usr/local/mysql/lib/mysql
/usr/local/lib/libiconv.dylib ../lib-settings/libsettings.a
../lib/liblib.a
	/usr/libexec/gcc/powerpc-apple-darwin8/4.2.1/ld: multiple definitions
of symbol _hash_create
	/usr/lib/gcc/powerpc-apple-darwin8/4.2.1/../../../libpthread.dylib(strhash.So)
definition of _hash_create
	../lib/liblib.a(hash.o) definition of _hash_create in section (__TEXT,__text)
	/usr/libexec/gcc/powerpc-apple-darwin8/4.2.1/ld: multiple definitions
of symbol _hash_destroy
	/usr/lib/gcc/powerpc-apple-darwin8/4.2.1/../../../libpthread.dylib(strhash.So)
definition of _hash_destroy
	../lib/liblib.a(hash.o) definition of _hash_destroy in section (__TEXT,__text)
	collect2: ld returned 1 exit status
	make[3]: *** [dovecot] Error 1
	make[2]: *** [all-recursive] Error 1
	make[1]: *** [all-recursive] Error 1
	make: *** [all] Error 2

looks like problems with ot at all sure what in Tiger's causing this ...

hints/suggestions?

thanks!