[fpc-pascal] Compiling from and to memory

Florian Klaempfl fpk at florianklaempfl.de
Fri Apr 20 18:25:56 CEST 2012

Am 19.04.2012 14:11, schrieb OBones:
> Hello all,
> I'm currently creating a build chain where FPC is the last step, the one
> producing a DLL for Windows, x86 and x64.
> In front of it in the chain, I have designed a generator that creates a
> program and a set of units from its own representation.
> Right now, the program and units are written to disk and then FPC is
> called on those files.
> This works fine but is somewhat slow because of disk writing and reading.
> I was thus wondering if there was a way to send the program and unit
> contents directly to FPC without writing to disk, and then get FPC to
> output the final DLL to a memory location as well. The last part is
> optional, being able to send the program and units without disk access
> would be a nice thing.
> I looked around in the documentation for "standard input", "pipe", but
> apart from ways to access them from within a program, I was not able to
> find any information.
> Is this possible? If yes, how should I proceed?

Do you have any proof that writing/reading to the files to disk is an 
issue? On modern harddisks and OSes the plain I/O speed is normally not 
the issue when compiling.

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