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From: "Chris Barry" <crbarry AT mts DOT net>
Newsgroups: comp.os.msdos.djgpp
Subject: iostream errors with the STL
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Date: Wed, 2 Jan 2002 20:14:32 -0800
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To: djgpp AT delorie DOT com
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Hullo. Awhile ago I wrote a tutorial on the STL. Since then I've encountered
tthe odd soul who can't compile my examples for either DJGPP or MinGW, and
it's pissing me off as much as it does them. Here's a taste of the error
messages:

c:/djgpp/tmp\ccv8kdyh.o(.text+0x5ba):dan.cpp: undefined reference to
'endl(ostream &)'
c:/djgpp/tmp\ccv8kdyh.o(.text+0x5c7):dan.cpp: undefined reference to 'cerr'
c:/djgpp/tmp\ccv8kdyh.o(.text+0x5cc):dan.cpp: undefined reference to
'ostream: :operator<<(char const *)'
c:/djgpp/tmp\ccv8kdyh.o(.text+0x5d7):dan.cpp: undefined reference to
'ostream: :operator<<(ostream &(*)(ostream &))'
c:/djgpp/tmp\ccv8kdyh.o(.text+0xa8f):dan.cpp: undefined reference to
'string_char_traits<char>::copy(char *,char const *,unsigned long)'
c:/djgpp/tmp\ccv8kdyh.o(.text+0xd18):dan.cpp: undefined reference to
'string_char_traits<char>::set(char *,char const *,unsigned long)'
c:/djgpp/tmp\ccv8kdyh.o(.text+0xd5f):dan.cpp: undefined reference to
'string_char_traits<char>::move(char *,char const *,unsigned long)'
c:/djgpp/tmp\ccv8kdyh.o(.text+0xda4):dan.cpp: undefined reference to
'__out_of_range(char const *)'
c:/djgpp/tmp\ccv8kdyh.o(.text+0xdfe):dan.cpp: undefined reference to
'__length_error(char const *)'
c:/djgpp/tmp\ccv8kdyh.o(.text+0x14ae):dan.cpp: undefined reference to
'string_char_traits<char>::assign(char *,char const *)'
c:/djgpp/tmp\ccv8kdyh.o(.text+0x15d7):dan.cpp: undefined reference to
'string_char_traits<char>::eos(void)'
collect2: ld returned 1 exit status

This is from a .cpp file that #include's only <string>. I asked about it on
comp.lang.c++ and discovered that since using namespace std isn't required,
then we're talking a non-standard library, and I should ask you guys. What's
the problem? Need more info?
--


Chris Barry