configure in cygwin fails

Hi,

I am trying to build log4cxx in cygwin(CYGWIN_NT-5.1 1.5.25(0.156/4/2)
2008-06-12 19:34). It fails with:

./configure: line 20435: syntax error near unexpected token `,'
./configure: line 20435: `APR_FIND_APR( , , 1, 1)'

Thanks for any help,
-- Bernd