Compile problem on old Debian Linux with glibc 2.0.7

Hi all,

I want to upgrade Postgres 7.1.3 on an old Debian Slink machine (with
glibc 2.0.7 and Kernel 2.2.17). That machine runs fine and I can not
simply upgrade the OS because it's a busy 24/7 machine.

When I try to compile PostgreSQL 7.2.4 or 7.4.1 then I get

|gcc -O2  -Wall -Wmissing-prototypes -Wmissing-declarations
|-I../../../src/include -D_GNU_SOURCE   -c hba.c -o hba.o
|hba.c: In function `parse_hba':
|hba.c:675: warning: implicit declaration of function `gai_strerror'
|hba.c:675: warning: format argument is not a pointer (arg 3)
|hba.c: In function `ident_unix':
|hba.c:1411: storage size of `peercred' isn't known
|hba.c:1411: warning: unused variable `peercred'
|make[3]: *** [hba.o] Error 1
|make[3]: Leaving directory
|`/usr/src/postgres/postgresql-7.4.1/src/backend/libpq'

But what's strange:
On my very old Linux libc5 machine (but with kernel 2.4) I can compile
7.2 and 7.4 versions without a problem. So it probably has to do with
glibc-2.0.7.

I cannot find "struct ucred" or "gai_strerror" definitions in my
machine's headerfiles.

How can I compile a recent version of PostgreSQL on that machine? I
don't need the "sameuser" local authentification.

Regards
Holger


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