gcc prebuilds can be fetched the first and best (for HP-UX 11 only) is
http://h21007.www2.hp.com/dspp/tech/tech_TechSoftwareDetailPage_IDX/1,1703,547,00.html
the second is http://hpux.cs.utah.edu/hppd/hpux/Gnu/ where you can also
-find the GNU binutils package.
+find the GNU binutils package. (Browse through the list, because there
+are often multiple versions of the same package available).
Building a 64bit capable gcc from source is possible only when you have
the HP C-ANSI C compiler available, which you should use anyway when
rather than 32 bits wide. (Note that this will only work with HP's ANSI
C compiler. If you want to compile Perl using gcc, you will have to get
a version of the compiler that support 64-bit operations. See above for
-where to find it)
+where to find it.)
There are some drawbacks to this approach. One is that any extension
which calls any file-manipulating C function will need to be recompiled