Postgresql7.4.11 compilation failing on Mac Intels

Hi,

I was compiling the sources of postgresql 7.4.11 on a
MAC OS X version 10.4.1 with Intel Pentium 4
processor.
I am getting the following error:
===========================
gnumake -C transam SUBSYS.o
gcc -O2 -fno-strict-aliasing -g -Wall
-Wmissing-prototypes -Wmissing-declarations
-I../../../../src/include -c -o xlog.o xlog.c
In file included from
../../../../src/include/storage/spin.h:50,
from xlog.c:35:
../../../../src/include/storage/s_lock.h:543:2: error:
#error PostgreSQL does not have native spinlock
support on this platform. To continue the compilation,
rerun configure using --disable-spinlocks. However,
performance will be poor. Please report this to
pgsql-bugs(at)postgresql(dot)org(dot)
In file included from
../../../../src/include/storage/spin.h:50,
from xlog.c:35:
../../../../src/include/storage/s_lock.h:551: error:
conflicting types for 'slock_t'
../../../../src/include/pg_config_os.h:11: error:
previous declaration of 'slock_t' was here
gnumake[4]: *** [xlog.o] Error 1
gnumake[3]: *** [transam-recursive] Error 2
gnumake[2]: *** [access-recursive] Error 2
gnumake[1]: *** [all] Error 2
gnumake: *** [all] Error 2
Failed at gnumake
=================================================

I then went ahead and used the --disable-spinlocks
option. But it errored out again with the following
message:
=================================================
In file included from
../../../../src/include/storage/spin.h:50,
from xlog.c:35:
../../../../src/include/storage/s_lock.h:551: error:
conflicting types for 'slock_t'
../../../../src/include/pg_config_os.h:11: error:
previous declaration of 'slock_t' was here
gnumake[4]: *** [xlog.o] Error 1
gnumake[3]: *** [transam-recursive] Error 2
gnumake[2]: *** [access-recursive] Error 2
gnumake[1]: *** [all] Error 2
gnumake: *** [all] Error 2
Failed at gnumake
==================================================

Are there any specific steps to be followed to compile
pgsql on MAC - Intel machines?
Pointers needed on how to compile postgresql on
mac-intel machines.

My gcc version is i686-apple-darwin8-gcc-4.0.0 (build
5026)

Thanks and Regards,
Nishant

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