Configure script in db-3.3.11 fails with bash-3.1, but, works with ast-ksh

[Rajeev V. Pillai]

Configuration Information [Automatically generated, do not change]:
Machine: i686
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i686' 
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i686-pc-linux-gnu' 
-DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL 
-DHAVE_CONFIG_H   -I.  -I. -I./include -I./lib   -O3 -fomit-frame-pointer 
-march=athlon-xp -pipe
uname output: Linux athlon.localdomain 2.6.15 #1 PREEMPT Mon Feb 13 03:55:15 
IST 2006 i686 GNU/Linux
Machine Type: i686-pc-linux-gnu

Bash Version: 3.1
Patch Level: 7
Release Status: release

Description:
        The configure script in db-3.3.11 fails with bash-3.1, but, passes with
ast-open's (2006-01-24) ksh (version sh (AT&T Labs Research) 1993-12-28 r).
The output produced by running configure is:

checking how to run the C preprocessor... cc -E
checking for dlfcn.h... yes
checking for ranlib... ranlib
checking for strip... strip
checking for objdir... .libs
checking for cc option to produce PIC... -fPIC
checking if cc PIC flag -fPIC works... yes
checking if cc static flag -static works... yes
checking if cc supports -c -o file.o... yes
checking if cc supports -c -o file.lo...
checking if cc supports -fno-rtti -fno-exceptions... yes
checking whether the linker (/usr/bin/ld) supports shared libraries... yes
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking dynamic linker characteristics... GNU/Linux ld.so
checking if libtool supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
creating libtool
../dist/configure: line 13666: syntax error near unexpected token `('
../dist/configure: line 13666: `    case `(ac_space=' '; set | grep ac_space) 
2>&1` in'


Repeat-By:
Download db-3.3.11.tar.gz from http://sleepycat.com/

        tar xzf db-3.3.11.tar.gz
        cd db-3.3.11/build_unix
        ../dist/configure



Thanks,
Rajeev