Author: Alexander Kure
Date: 12:28:48 10/07/01
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On October 07, 2001 at 11:07:46, Steffen Jakob wrote: >On October 07, 2001 at 09:01:05, Frank Phillips wrote: > >>Thanks. It seems the C++ parts of the compiler package are not installed >>automatically, since installing them makes gcc-3.0.1 the default. > >Yes, you have to enable other languages explicitly: > >./configure --enable-languages=c,c++ > >>Sadly, having installed it, it seems gcc3.0.1 produces a slightly slower >>(4percent) executable of my program than gcc2.96. The gcc executable (under >>Linux) is only 70 percent as fast as that produced by VC++, so I was hoping for >>improvement. >> >>gcc3.0.1 also gets upset about the nocreate in >>file.open(filename,ios::in | ios::nocreate); >>not being a member of std:basic_ios > >Valid members of std::ios_base::openmode, which is the type of the 2nd parameter >of std::ifstream, are std::ios_base::app, std::ios_base::ate, >std::ios_base::binary, std::ios_base::in, std::ios_base::out, >std::ios_base::trunc. So nocreate isnt part of the standard. > >Greetings, >Steffen. Right Steffen. But Frank's code relied on the old - now deprecated - iostream headers (the ones with .h). There ios::nocreate still is valid. Seems to me that he has a mixture of old and new iostreams. Greetings Alex
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