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General Information
To compile this you need a couple things
- A working POSIX system with working POSIX gcc, g++, make (GNU),
ar, sh, awk and sed in the path
- GNU Make 3.74 or so, -- normal UNIX make will NOT work
* Note 3.77 is broken.
- A working ANSI C++ compiler, this is not g++ 2.7.*
g++ 2.8 works OK and newer egcs work well also. Nobody has tried it
on other compilers :< You will need a properly working STL as well.
- A C library with the usual POSIX functions and a BSD socket layer.
If you OS conforms to the Single User Spec then you are fine:
I am not interested in making 'ultra portable code'. I will accept patches
to make the code that already exists conform more to SUS or POSIX, but
I don't really care if your not-SUS OS doesn't work. It is simply too
much work to maintain patches for dysfunctional OSs. I highly suggest you
contact your vendor and express intrest in a conforming C library.
That said, there are lots of finniky problems that must be delt with even
between the supported OS's. Primarily the path I choose to take is to put
a shim header file in build/include that transparently adds the required
functionality. Patches to make autoconf detect these cases and generate the
required shims are OK.
Current shims:
* C9x integer types 'inttypes.h'
* sys/statvfs.h to convert from BSD statfs to SUS statvfs
* rfc2553 hostname resolution (methods/rfc*), shims to normal gethostbyname.
The only completely non-shimed OS is Linux with glibc2.1
Platform Notes
Debian GNU Linux 2.1 'slink'
Debian GNU Linux 'potato'
* All Archs
- Works flawlessly
- You will want to have debiandoc-sgml and yodl installed to get
best results.
- No IPv6 Support in glibc's < 2.1
Sun Solaris
SunOS cab101 5.7 Generic_106541-04 sun4u sparc
- Works fine
- Note, no IPv6 Support, OS lacks RFC 2553 hostname resolution
HP-UX nyquist B.10.20 C 9000/780 2016574337 32-user license
- Evil OS, does not conform very well to SUS
1) snprintf exists but is not prototyped, ignore spurios warnings
2) No socklen_t
3) Requires -D_XOPEN_SOURCE_EXTENDED for h_errno
Items 2 and 3 have to be fixed by hand. Insert this into
#define socklen_t size_t
#include_next <netdb.h>
A similar techinque can be used for snprintf/vsprintf if you dislike
the warnings
- Note, no IPv6 Support, OS lacks RFC 2553 hostname resolution