On 2012-03-06 02:21, Jonathan M Davis wrote:
On Tuesday, March 06, 2012 01:53:02 Zach the Mystic wrote:
Reading the documentation about compiler options and flags here:
http://dlang.org/dmd-osx.html

led me to believe that building libraries was the right way to do
incremental compilation. But I thought, well, can I just build
file1.o object files instead?

So I've started doing that and I've got no problems so far. I
guess I don't need all that fancy .lib and -L-lmyLib stuff after
all. You can pack all sorts of stuff into a file1.o file instead.

I guess I solved my problem for now. Hopefully I'm making sense.

Libraries are not intented for incremental compilation. They are for
distributing code in a unit which can be used by programs. And in the case of
a shared library, it gives the added benefit of reducing the amount of
duplicate code you get in binaries (saving both memory and disk space).

If you want to do incremental compilation, then use -c to generate object files
that you link together when you create the actual executable.

- Jonathan M Davis

Actually the -lib switch might be the answer to one of the incremental compilation problems DMD suffers from. That DMD usually does not output all symbols to all object files which can result in missing symbols when doing incremental compilation. I've heard that the when using the -lib flag DMD will output all symbols to all object files.

--
/Jacob Carlborg

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