compat.c: In function ‘timestamptz_to_str’:
compat.c:56:9: error: passing argument 1 of ‘localtime’ from incompatible pointer type [-Werror]
In file included from compat.c:21:0:
/usr/include/time.h:237:19: note: expected ‘const time_t *’ but argument is of type ‘pg_time_t *’
gcc 4.7.2