Tomas Hajny wrote:
Yes, this is what I suggested to do above; for -an, not in general,
because I don't know of such dependencies myself (I wasn't aware of it for
-an either).
(b) having a line in the banner showing what non-default options were
used during build?
Free Pascal Compiler version 2.7.1 [2012/02/06] for mipsel
Copyright (c) 1993-2011 by Florian Klaempfl and others
Built with EXTDEBUG, fvm32.
I'm afraid that this is "a bit" more difficult _if_ we want a general
solution. Addressing individual options explicitly is possible (probably
line by line rather than as a list though). Obviously, this wouldn't be a
general solution. However, I'm not aware of any compiler macro allowing to
list all conditional defines (that would be still the easier part, because
these are obviously known within the compiler so adding a new macro should
be possible, but it may be a long list), and even less a macro allowing to
list just compiler defines added explicitly on the command line (rather
than defined internally for a particular target, implied from some other
command line options or defined within the respective source file)... I'd
wait for opinion of other core team members whether we should add support
for explicit "Built with EXTDEBUG" or do something else (but I'm certainly
not the one who'd add a macro necessary for the general solution).
I suppose another possibility would be to have something in the makefile
that captured the shell/environment variables, in the same way that the
Lazarus build captures the revision number if available. But that's not
in the same league as putting useful info in the banner.
I think a good starting point would be a line that showed any
definitions that were known to have an effect on the interpretation of
the options, e.g. EXTDEBUG and- in particular- the exact target CPU when
this wasn't the default.
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
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