postgresql-7.1beta5 configure

============================================================================
POSTGRESQL BUG REPORT TEMPLATE
============================================================================

Your name : Dmitry G. Mastrukov
Your email address : dmitry(at)taurussoft(dot)org

System Configuration
---------------------
Architecture (example: Intel Pentium) : Intel Pentium

Operating System (example: Linux 2.0.26 ELF) : Linux 2.4.2
ELF

PostgreSQL version (example: PostgreSQL-6.3.2) :
PostgreSQL-7.1beta5

Compiler used (example: gcc 2.7.2) : gcc 2.95.2

Please enter a FULL description of your problem:
------------------------------------------------
Configure crashes on build from separate build directory with
mkdir: Cannot make directory 'src/backend/port': No such file or
directory

Please describe a way to repeat the problem. Please try to provide a
concise reproducible example, if at all possible:
----------------------------------------------------------------------
Create directory postgresql-build in the same directory as postgres
cd postgresql-build
../postgresql/configure

If you know how this problem might be fixed, list the solution below:
---------------------------------------------------------------------