libstdc++ question
Fery
engard.ferenc@innomed.hu
Fri May 7 14:43:00 GMT 2004
Hi all!
I use GCC on a Renesas SH processor, without OS. I do not use much from
newlib (practically only malloc(), memcpy() and a few other utils, and
new from libstdc++). I do not use exceptions, no rtti, IO or anything
else.
Now I would like to use STL. My first try using vector<> (just defining
a vector<int>) resulted in increasing the binary size by cca. 240KB.
:-( It practically included everything: exception handling, streams,
locale, newlib IO etc. Unfortunately, this is not affordable to me, so I
wonder what can I do?
I have invented that the key is the stl-inst.o in libstdc++, which is
included by std::__default_alloc_template, and includes functexcept.o,
which includes everything. Functexcept.o would not include anything if
it would compile without the macro __EXCEPTIONS defined.
I have copied functexcept.cc to my project, and use the versions calling
abort() instead of exceptions. With this, using a vector increased my
project with a reasonable size of 15K. Is it an ugly hack what can cause
me problems, or is it the Right Way?
Or I should recompile libstdc++ without exception support? How can I do
that? (I use a binary crossgcc from KPIT; never compiled GCC.)
Thanks,
Ferenc
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