Your message dated Fri, 4 May 2007 10:32:48 +0930
with message-id <[EMAIL PROTECTED]>
and subject line Bug#422117: mingw32: #include <iostream> does not work when 
/usr/include in includes
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--- Begin Message ---
Package: mingw32
Version: 3.4.5.20060117.1.dfsg-2
Severity: important

sometimes when need add /usr/include into include path (for example, we
want to use boost/noncopyable, but iostream does not work in this case,
see following example:

$ echo "#include <iostream>" | i586-mingw32msvc-gcc -x c++ -c -I/usr/include -
In file included from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/c++locale.h:43,
                 from /usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/iosfwd:46,
                 from /usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/ios:44,
                 from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/ostream:45,
                 from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/iostream:45,
                 from <stdin>:1:
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdio:168: error: `::vfscanf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdio:169: error: `::vscanf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdio:171: error: `::vsscanf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdio:178: error: 
`__gnu_cxx::vfscanf' has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdio:179: error: 
`__gnu_cxx::vscanf' has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdio:181: error: 
`__gnu_cxx::vsscanf' has not been declared
In file included from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/bits/postypes.h:46,
                 from /usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/iosfwd:50,
                 from /usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/ios:44,
                 from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/ostream:45,
                 from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/iostream:45,
                 from <stdin>:1:
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:150: error: `::fwide' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:151: error: `::fwprintf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:152: error: `::fwscanf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:161: error: `::swprintf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:162: error: `::swscanf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:164: error: 
`::vfwprintf' has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:166: error: `::vfwscanf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:168: error: 
`::vswprintf' has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:170: error: `::vswscanf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:172: error: `::vwprintf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:174: error: `::vwscanf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:191: error: `::wcstof' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:202: error: `::wprintf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:203: error: `::wscanf' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:249: error: `::wcstold' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:258: error: `::wcstoll' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:259: error: `::wcstoull' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:265: error: 
`__gnu_cxx::wcstold' has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:266: error: 
`__gnu_cxx::wcstoll' has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cwchar:267: error: 
`__gnu_cxx::wcstoull' has not been declared
In file included from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/bits/stl_algobase.h:67,
                 from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/bits/char_traits.h:46,
                 from /usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/ios:46,
                 from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/ostream:45,
                 from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/iostream:45,
                 from <stdin>:1:
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdlib:143: error: `::lldiv_t' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdlib:149: error: `::_Exit' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdlib:159: error: `lldiv_t' 
does not name a type
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdlib:163: error: `lldiv_t' 
does not name a type
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdlib:180: error: `::strtof' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdlib:181: error: `::strtold' 
has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdlib:187: error: 
`__gnu_cxx::lldiv_t' has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdlib:189: error: 
`__gnu_cxx::_Exit' has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdlib:193: error: 
`__gnu_cxx::div' has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdlib:194: error: 
`__gnu_cxx::lldiv' has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdlib:197: error: 
`__gnu_cxx::strtof' has not been declared
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/cstdlib:200: error: 
`__gnu_cxx::strtold' has not been declared
In file included from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/bits/locale_facets.h:132,
                 from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/bits/basic_ios.h:44,
                 from /usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/ios:51,
                 from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/ostream:45,
                 from 
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/iostream:45,
                 from <stdin>:1:
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:44:
 error: `_UPPER' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:45:
 error: `_LOWER' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:46:
 error: `_ALPHA' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:47:
 error: `_DIGIT' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:48:
 error: `_HEX' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:49:
 error: `_SPACE' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:50:
 error: `_BLANK' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:50:
 error: `_PUNCT' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:50:
 error: `_ALPHA' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:50:
 error: `_DIGIT' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:51:
 error: `_PUNCT' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:51:
 error: `_ALPHA' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:51:
 error: `_DIGIT' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:52:
 error: `_CONTROL' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:53:
 error: `_PUNCT' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:54:
 error: `_ALPHA' was not declared in this scope
/usr/lib/gcc/i586-mingw32msvc/3.4.5/include/c++/i586-mingw32msvc/bits/ctype_base.h:54:
 error: `_DIGIT' was not declared in this scope


-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.18-4-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages mingw32 depends on:
ii  libc6               2.5-4                GNU C Library: Shared libraries
ii  mingw32-binutils    2.16.91-20060119.1-1 Minimalist GNU win32 (cross) binut
ii  mingw32-runtime     3.9-4                Minimalist GNU win32 (cross) runti

mingw32 recommends no packages.

-- no debconf information


--- End Message ---
--- Begin Message ---
On Fri, May 04, 2007 at 01:11:48AM +0800, LI Daobing wrote:
> Package: mingw32
> Version: 3.4.5.20060117.1.dfsg-2
> Severity: important
> 
> sometimes when need add /usr/include into include path (for example, we
> want to use boost/noncopyable,

Sorry, but _why_ would you ever want to do this?  It's already in
the path searched for includes when it belongs there.  If boost
requires you to do that it sounds like a bug in boost.

>but iostream does not work in this case,

I'm sure that's not the only thing that will break if you fundamentally
change the order that paths are searched or include paths for other
architectures.

I'm having a hard time seeing how this is a bug in the toolchain or lib.
Are you sure you haven't just installed boost in the wrong location if
you want to use it with this toolchain?

Cheers,
Ron



--- End Message ---

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