Re: is _bstr_t not defined in Watcom ?

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From	Lynn McGuire <lynnmcguire5@gmail.com>
Newsgroups	openwatcom.users.c_cpp
Subject	Re: is _bstr_t not defined in Watcom ?
Date	Fri, 3 Aug 2018 14:05:32 -0500
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On 8/3/2018 11:18 AM, Paul S. Person wrote:
> On Thu, 2 Aug 2018 16:29:18 -0500, Lynn McGuire
> <lynnmcguire5@gmail.com> wrote:
> 
>> I am trying to compile some of my Visual Studio code in OW 1.9.  My COM
>> code references the function _bstr_t.  I cannot seem to find this
>> function in OW.
>>     https://msdn.microsoft.com/en-us/library/zthfhkd6.aspx
> 
> I have /no/ relevent experience with "COM, Automation, and Interop
> functions", but _bstr_t appears to be a /class/, not a function.
> 
> Perhaps this is also relevant:
> 
> Header: comutil.h
> 
> Lib: comsuppw.lib or comsuppwd.lib

Yes, _bstr_t is in a class but there is code in a library also.

I munged up Microsoft's comutil.h and got it to compile with much 
effort.  But then I got a bunch of com_* undefines in the link.  The 
UTF8 undefines are ours.

C:\dii_15>linkdiid
Could Not Find C:\dii_15\designii.dll
Open Watcom Linker Version 1.9
Portions Copyright (c) 1985-2002 Sybase, Inc. All Rights Reserved.
Source code is available under the Sybase Open Watcom Public License.
See http://www.openwatcom.org/ for details.
loading object files
searching libraries
Error! E2028: int near UTF8toWide( char const near *, 
std::basic_string<wchar_t near,std::char_traits<wchar_t near > 
near,std::allocator<wchar_t near > near > near & ) is an undefined reference
Error! E2028: int near fopen_s_UTF8( __iobuf near * near *, char const 
near *, char const near *, int ) is an undefined reference
Error! E2028: void near _com_issue_error( long ) is an undefined reference
Error! E2028: char near * near _com_util::ConvertBSTRToString( wchar_t 
near * ) is an undefined reference
Error! E2028: wchar_t near * near _com_util::ConvertStringToBSTR( char 
const near * ) is an undefined reference
Error! E2028: std::basic_string<char near,std::char_traits<char near > 
near,std::allocator<char near > near > near SetUnitsCase( 
std::basic_string<char near,std::char_traits<char near > 
near,std::allocator<char near > near > ) is an undefined reference
creating map file
creating a Windows NT dynamic link library
file fm2nbook\fm2n_old.obj(C:\dii_15\fm2nbook\fm2n_old.cpp): undefined 
symbol int near UTF8toWide( char const near *, std::basic_string<wchar_t 
near,std::char_traits<wchar_t near > near,std::allocator<wchar_t near > 
near > near & )
file fm2nbook\fm2n_old.obj(C:\dii_15\fm2nbook\fm2n_old.cpp): undefined 
symbol int near fopen_s_UTF8( __iobuf near * near *, char const near *, 
char const near *, int )
file fm2nbook\fm2n_old.obj(C:\dii_15\fm2nbook\fm2n_old.cpp): undefined 
symbol void near _com_issue_error( long )
file fm2nbook\fm2n_old.obj(C:\dii_15\fm2nbook\fm2n_old.cpp): undefined 
symbol char near * near _com_util::ConvertBSTRToString( wchar_t near * )
file fm2nbook\fm2n_old.obj(C:\dii_15\fm2nbook\fm2n_old.cpp): undefined 
symbol wchar_t near * near _com_util::ConvertStringToBSTR( char const 
near * )
file fm2nbook\fm2n_old.obj(C:\dii_15\fm2nbook\fm2n_old.cpp): undefined 
symbol std::basic_string<char near,std::char_traits<char near > 
near,std::allocator<char near > near > near SetUnitsCase( 
std::basic_string<char near,std::char_traits<char near > 
near,std::allocator<char near > near > )
Could Not Find C:\dii_15\designii.lib
Open Watcom Library Manager Version 1.9
Portions Copyright (c) 1984-2002 Sybase, Inc. All Rights Reserved.
Source code is available under the Sybase Open Watcom Public License.
See http://www.openwatcom.org/ for details.
Warning! Cannot open 'designii.lib' - library will be created
Error! Cannot find file 'designii.dll'

Thanks,
Lynn

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Thread

is _bstr_t not defined in Watcom ? Lynn McGuire <lynnmcguire5@gmail.com> - 2018-08-02 16:29 -0500
  Re: is _bstr_t not defined in Watcom ? Lynn McGuire <lynnmcguire5@gmail.com> - 2018-08-03 11:15 -0500
  Re: is _bstr_t not defined in Watcom ? Paul S. Person <psperson@ix.netscom.com.invalid> - 2018-08-03 09:18 -0700
    Re: is _bstr_t not defined in Watcom ? Lynn McGuire <lynnmcguire5@gmail.com> - 2018-08-03 14:05 -0500
      Re: is _bstr_t not defined in Watcom ? Paul S. Person <psperson@ix.netscom.com.invalid> - 2018-08-04 09:31 -0700
  Re: is _bstr_t not defined in Watcom ? Johann Klammer <klammerj@NOSPAM.a1.net> - 2018-08-03 20:39 +0200
    Re: is _bstr_t not defined in Watcom ? Paul S. Person <psperson@ix.netscom.com.invalid> - 2018-08-04 09:33 -0700
      Re: is _bstr_t not defined in Watcom ? "Steven Levine" <steve53@nomail.earthlink.net> - 2018-08-05 01:34 +0000
        Re: is _bstr_t not defined in Watcom ? Lynn McGuire <lynnmcguire5@gmail.com> - 2018-08-06 14:12 -0500
          Re: is _bstr_t not defined in Watcom ? Paul S. Person <psperson@ix.netscom.com.invalid> - 2018-08-07 09:32 -0700
            Re: is _bstr_t not defined in Watcom ? Lynn McGuire <lynnmcguire5@gmail.com> - 2018-08-07 12:41 -0500
            Re: is _bstr_t not defined in Watcom ? Lynn McGuire <lynnmcguire5@gmail.com> - 2018-08-07 12:43 -0500

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