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jojojoris
Joined: 30 Mar 2008
Posts: 261
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 Posted: Fri Nov 20, 2009 6:58 am Post subject: why -fno-rtti default |
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Why does all psp-makefiles have -fno-rtti as default
I did some tests and it works as it should do.(probably)
Is it because it saves space in the prx?
Is it because it speeds up the prx?
Or has it a more technicaly reason?
EDIT:
Same for -fno-exception...
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SetupCallbacks();
makeNiceGame();
sceKernelExitGame();
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jimparis
Joined: 10 Jun 2005
Posts: 1179
Location: Boston
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| Posted: Fri Nov 20, 2009 7:54 am Post subject: |
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Because: | Code: | $ cat test.cc
#include <stdio.h>
int main() {
printf("hello, world\n");
return 0;
}
$ psp-g++ -s -o test test.cc -L/usr/local/pspdev/psp/sdk/lib -Wl,--start-group -lc -lpspuser -lpspkernel
$ psp-size test
text data bss dec hex filename
92868 4872 27988 125728 1eb20 test
$ psp-g++ -s -o test test.cc -L/usr/local/pspdev/psp/sdk/lib -Wl,--start-group -lc -lpspuser -lpspkernel -fno-exceptions -fno-rtti
$ psp-size test
text data bss dec hex filename
10758 2100 25708 38566 96a6 test
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coolkehon
Joined: 20 Oct 2008
Posts: 355
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| Posted: Tue Nov 24, 2009 4:54 am Post subject: |
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| so does the psp support rtti |
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jimparis
Joined: 10 Jun 2005
Posts: 1179
Location: Boston
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| Posted: Tue Nov 24, 2009 7:26 am Post subject: |
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| It's more a question of whether your g++ and libstdc++ builds support it, there shouldn't be anything PSP-specific. As long as you build things without -fno-rtti I expect it would work. |
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