INT64_FORMAT missing

Todays CVS
Solaris 2.5.1
GCC 2.7.2.2

make[3]: Entering directory `/home/postgres/pgsql/src/backend/utils/adt'
gcc -I../../../include -I../../../backend    -Wall -Wmissing-prototypes
-I../..   -c int8.c -o int8.o
int8.c: In function `int8out':
int8.c:83: `INT64_FORMAT' undeclared (first use this function)
int8.c:83: (Each undeclared identifier is reported only once
int8.c:83: for each function it appears in.)
make: *** [int8.o] Error 1


>From the configure.in file I assume this is the part you'd need to see

checking for snprintf... (cached) no
checking for vsnprintf... (cached) no
checking for isinf... (cached) no
checking for getrusage... (cached) yes
checking for srandom... (cached) yes
checking for gethostname... (cached) yes
checking for random... (cached) yes
checking for inet_aton... (cached) no
checking for strerror... (cached) yes
checking for strdup... (cached) yes
checking for strtol... (cached) yes
checking for strtoul... (cached) yes
checking for strcasecmp... (cached) yes
checking for cbrt... (cached) yes
checking for rint... (cached) yes
checking whether 'long int' is 64 bits... no
checking whether 'long long int' is 64 bits... yes


The (cached) is due to my running it a second time to clip this output.

->->->->->->->->->->->->->->->->->->---<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<
James Thompson    138 Cardwell Hall  Manhattan, Ks   66506    785-532-0561 
Kansas State University                          Department of Mathematics
->->->->->->->->->->->->->->->->->->---<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<