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<mkorman>
hi. i am trying to produce a native executable with ocamlopt and get this error
<mkorman>
gcc: /usr/lib/ocaml/3.07/str.o: No such file or directory
<mkorman>
gcc: /usr/lib/ocaml/3.07/unix.o: No such file or directory
<mkorman>
these .o files do not exist in debian. if i need them how do i produce them from the .cmx files?
* Smerdyakov
shrugs.
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<DavidW2>
hi.
<DavidW2>
do i need .o files to use ocamlopt?
<smkl>
DavidW2: yes
<DavidW2>
how do i build them?
<DavidW2>
i try recompiling the ocaml source
<DavidW2>
and i still get no .o files installed
<smkl>
they are packed into .a libraries ...
<smkl>
i haven't installed 3.07 yet. looks like there is some problem
<DavidW2>
i have 3.06 actually
<DavidW2>
i get gcc: /usr/lib/ocaml/unix.o: No such file or directory
<DavidW2>
now yes unix.o does not exist, but i have no idea how to generate this file from the ocaml source
<smkl>
perhaps you have unix.cmx in the command line. you need unix.cmxa
<DavidW2>
ok, you are so right :)
<DavidW2>
so for ocamlc, I need cma
<DavidW2>
for ocamlopt i need cmxa
<DavidW2>
when would I need cmx?
<DavidW2>
Also, one other question, why do I need to specify, say, -lunix to ocamlc, but not ocamlopt
<smkl>
you need cmxs if they are not packed into libs, just like cmos in bytecode
<smkl>
DavidW2: i don't know, it works for me without -lunix
<DavidW2>
ok
<DavidW2>
and i guess one fianl question
<DavidW2>
sorry this is my first major ocaml (or functional programming in general) project
<DavidW2>
i don't have the -ffast-math option, but im certainly running on IA32
<smkl>
there is just one code generator for x86 family, and i don't think it has any options
<DavidW2>
hm, according to the docs it says on IA32 it supported that additional option
<DavidW2>
so is ocaml as fast or faster than C when natively compiled?
<smkl>
nope, it's usually a bit slower
<DavidW2>
well, i ask because this is for an AI for a game, and it may be up against other C players at the uni, so I just want to know if it's at a speed disadvantage right off the bat
<DavidW2>
of course some will be java which hasn't been natively compiled, and I'd expect those to be slow
<smkl>
if your application doesn't do much low level string processing, the difference shouldn't be noticeable
<DavidW2>
well we dude use tcp sockets
<DavidW2>
we then split the string into a list and match against the list
<DavidW2>
s/dude/do
<smkl>
i don't think that will take most of the time in your app
<DavidW2>
currently the gametree search is forked into another process and the network is handled in the main process
<smkl>
anyway, what i meant was like incrementing bytes in a large array. in parsing you have to do other stuff than just string access
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