compiling 7.5 on linux 2.4.32 gcc 3.4.3 glibc 2.2.5

[Gabor Z. Papp]

Trying to compile 7.5:

g++ -DHAVE_CONFIG_H  -I/x/include -I/x/include/freetype2
-I/pkg/include   -DHAVE_LIBXPM -g -O3  -DDEBUG_STRICT  -I/x/include
-I/x/include -I.. -I. -I. -c proxy.C
proxy.C: In static member function `static void
ptytty::drop_privileges()':
proxy.C:323: error: `setresgid' undeclared (first use this function)
proxy.C:323: error: (Each undeclared identifier is reported only once
for each function it appears in.)
proxy.C:324: error: `setresuid' undeclared (first use this function)
make[1]: *** [proxy.o] Error 1

Linux 2.4.32
glibc 2.2.5
gcc 3.4.3

http://gzp.hu/tmp/rxvt-unicode-7.5/log.configure
http://gzp.hu/tmp/rxvt-unicode-7.5/log.make
http://gzp.hu/tmp/rxvt-unicode-7.5/

[I'm not subscribed to the list, please honor my Mail-Followup-To header]