postgresql 7.2b4 compile problems

I've been trying to compile the newest 7.2 beta for the past couple of days and its been throwing an odd error and I'm uncertain what exactly its looking for.

I'm compiling it on an e-smith gateway with the following options: ./configure --prefix=/usr --with-pam --enable-multibyte --enable-recode --enable-locale --with-maxbackends=64 --with-perl --enable-syslog

as well this is what postgres is outputing on error exit:
make[4]: Leaving directory `/usr/src/postgresql-7.2b4/src/interfaces/libpq'
gcc -O2 -Wall -Wmissing-prototypes -Wmissing-declarations -I../../../src/interfaces/libpq -I../../../src/include -c -o pg_dump.o pg_dump.c
gcc -O2 -Wall -Wmissing-prototypes -Wmissing-declarations -I../../../src/interfaces/libpq -I../../../src/include -c -o common.o common.c
gcc -O2 -Wall -Wmissing-prototypes -Wmissing-declarations -I../../../src/interfaces/libpq -I../../../src/include -c -o pg_backup_archiver.o pg_backup_archiver.c
gcc -O2 -Wall -Wmissing-prototypes -Wmissing-declarations -I../../../src/interfaces/libpq -I../../../src/include -c -o pg_backup_db.o pg_backup_db.c
gcc -O2 -Wall -Wmissing-prototypes -Wmissing-declarations -I../../../src/interfaces/libpq -I../../../src/include -c -o pg_backup_custom.o pg_backup_custom.c
gcc -O2 -Wall -Wmissing-prototypes -Wmissing-declarations -I../../../src/interfaces/libpq -I../../../src/include -c -o pg_backup_files.o pg_backup_files.c
gcc -O2 -Wall -Wmissing-prototypes -Wmissing-declarations -I../../../src/interfaces/libpq -I../../../src/include -c -o pg_backup_null.o pg_backup_null.c
gcc -O2 -Wall -Wmissing-prototypes -Wmissing-declarations -I../../../src/interfaces/libpq -I../../../src/include -c -o pg_backup_tar.o pg_backup_tar.c
gcc -O2 -Wall -Wmissing-prototypes -Wmissing-declarations pg_dump.o common.o pg_backup_archiver.o pg_backup_db.o pg_backup_custom.o pg_backup_files.o pg_backup_null.o pg_backup_tar.o -L../../../src/interfaces/libpq -lpq -Wl,-rpath,/usr/lib -lpam -lcrypt -lresolv -lnsl -ldl -lm -lbsd -lhistory -o pg_dump
../../../src/interfaces/libpq/libpq.so: undefined reference to `atexit'
collect2: ld returned 1 exit status
make[3]: *** [pg_dump] Error 1
make[3]: Leaving directory `/usr/src/postgresql-7.2b4/src/bin/pg_dump'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/usr/src/postgresql-7.2b4/src/bin'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/usr/src/postgresql-7.2b4/src'
make: *** [all] Error 2

is this a bug or am I missing something?

Mike