I just tried compiling all contribs on freebsd/alpha, and I saw these
issues:
gmake[1]: Entering directory `/home/chriskl/pgsql-temp/contrib/pgstattuple'
sed 's,MODULE_PATHNAME,$libdir/pgstattuple,g' pgstattuple.sql.in
>pgstattuple.sql
gcc -pipe -O -g -Wall -Wmissing-prototypes -Wmissing-declarations -fpic -DPI
C -I. -I../../src/include -c -o pgstattuple.o pgstattuple.c -MMD
pgstattuple.c: In function `pgstattuple_real':
pgstattuple.c:203: warning: long long int format, long int arg (arg 4)
pgstattuple.c:204: warning: long long int format, long int arg (arg 4)
pgstattuple.c:205: warning: long long int format, long int arg (arg 4)
pgstattuple.c:207: warning: long long int format, long int arg (arg 4)
pgstattuple.c:208: warning: long long int format, long int arg (arg 4)
pgstattuple.c:210: warning: long long int format, long int arg (arg 4)
ar cr libpgstattuple.a `lorder pgstattuple.o | tsort`
ranlib libpgstattuple.a
gcc -pipe -O -g -Wall -Wmissing-prototypes -Wmissing-declarations -fpic -DPI
C -shared -Wl,-x,-soname,libpgstattuple.so.0
tattuple.o -L../../src/port -o libpgstattuple.so.0
rm -f libpgstattuple.so
ln -s libpgstattuple.so.0 libpgstattuple.so
gmake[1]: Leaving directory `/home/chriskl/pgsql-temp/contrib/pgstattuple'
gmake[1]: Entering directory `/home/chriskl/pgsql-temp/contrib/pgbench'
gcc -pipe -O -g -Wall -Wmissing-prototypes -Wmissing-declarations -I../../sr
c/interfaces/libpq -I. -I../../src/include -c -o pgbench.o pgbench.c -MMD
pgbench.c: In function `main':
pgbench.c:667: warning: unused variable `optopt'
pgbench.c:666: warning: unused variable `opterr'
gcc -pipe -O -g -Wall -Wmissing-prototypes -Wmissing-declarations
pgbench.o -L../../src/interfaces/libpq -lpq -L../../src/port -R/home/chrisk
l/local/lib -lz -lreadline -lcrypt -lcompat -lm -lutil -lpgport -o pgbench
gmake[1]: Leaving directory `/home/chriskl/pgsql-temp/contrib/pgbench'
Just a heads up...
Chris