libapreq2-2.12 +gmake on HP UX

Hi all,

When making the libapreq2-2.12 with gmake on an HP UX PA-RISC I got this
error :

cc: "/udir/libapreq2-2.12/glue/perl/xsbuilder/apreq_xs_postperl.h", line 79:
error 1521: Incorrect initialization.
cc: "Apache2.c", line 73: warning 527: Integral value implicitly converted
to pointer in assignment.
*** Error exit code 1

Stop.
*** Error exit code 1

Stop.
*** Error exit code 1

Stop.
*** Error exit code 1

Stop.
make[2]: *** [subdirs] Error 1
make[2]: Leaving directory `/udir/libapreq2-2.12/glue/perl'
make[1]: *** [perl_glue] Error 2
make[1]: Leaving directory `/udir/libapreq2-2.12/glue'
make: *** [all-recursive] Error 1

I can't understand how to correct this problem. Can anyone please help me?
Thanks and best regards