Help Compiling apligen

Drew Tomlinson drew at
Mon May 26 18:42:22 UTC 2014

On 5/26/2014 10:10 AM, Michael Powell wrote:
> Drew Tomlinson wrote:
>> I am not a programmer and I don't understand compiling.  If it's not in
>> the ports, I don't know how to use it.  However I really want to try
>> this utility:
>> I've downloaded the source and attempted to run 'make'.  First error was
>> that it couldn't find g++.  I figured that out and installed gcc 4.7
>> from the ports tree.  Ran 'make' again.  Now I get these errors:
> [snip]
> I'm not a coder either so please take that into account lest I get
> something wrong.  :-)
> Most of the tarballs have a README and/or an INSTALL file with
> instructions. I suspect the step you're missing (and a quick perusal of
> these should confirm) that you're skipping the autotools stuff.
> Secondly, the gcc 4.2.1 may, or may not, be useable. Should you rather
> utilize a newer gcc installed from ports there are some lines you probably
> need to place into /etc/make.conf. Should be easy enough to Google out
> these, they essentially point make to the ports-installed compiler instead
> of the one in base.
> But back to the autotools step first. Mostly you'll need autoconf,
> automake, m4, maybe libtools (not sure anything uses this though), and
> possibly gmake.
> The step you may be missing is to run ./configure in wherever you
> decompressed the tarball. This cranks through the autoconf/automake process
> to attempt to 'adjust' code which has been written with portability in
> mind. The adjustment is to prepare for building on a particular platform,
> if possible.
> I have seen somewhere in the past occasionally when I've pulled source
> straight out of a CVS or Git repository there was another script that needs
> to be executed prior to the ./configure step to "pre configure" the
> configure. This will show in the README or INSTALL notes if required.
> While I have ommitted a couple of small detail(s) or two, this autotools
> portability thing is still not a guarantee that something is buildable on
> FreeBSD. This is where the a port maintainer comes in and creates/provides
> patches to fix this situation. These are what are in the 'files' directory
> under a port in the ports tree where the Makefile is found.
> There are some other small tidbits probably missing, but maybe this is
> enough to get you going. Hope it helps. More smarter coder types can
> probably chime in with better details along the way.

Thank you for your reply.  However there is no 'configure' script 
included.  And the instructions from the readme are:


         g++ main.cpp -o apligen



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