Re: C++\CLI Compiler /nostdlib option?

Well, let me preface this by saying that you can learn a lot by looking at
the build environment in the WDK.  The makefiles are more or less yanked
directly from the internal build solution that the Windows team uses.

A cursory glance through the makefile reveals the following:

! if "$(URT_VER)" >= "2.0"
MANAGED_CXX_FLAGS=$(MANAGED_CXX_FLAGS) /d1clr:nostdlib /d1clr:nomscorlib
$(USECXX_FLAG)
! Endif

d1clr?!?!  What's that?  I can't find any documentation for this
command-line switch.  So, I slapped together the following c++ file in
test.cpp:

---------------------------------------
#include <iostream>

using namespace std;

void main()
{
    cout << "Hello World!" << endl;
}
---------------------------------------

When I compile it with the following, it works fine:

cl /clr test.cpp

However, throw in the magic compiler switch, and look what happens:

----------------------------------------
C:\Temp>cl /clr /d1clr:nomscorlib test.cpp
Microsoft (R) C/C++ Optimizing Compiler Version 14.00.50727.42
for Microsoft (R) .NET Framework version 2.00.50727.42
Copyright (C) Microsoft Corporation.  All rights reserved.

test.cpp
predefined C++ types (compiler internal)(12) : fatal error C1190: managed
targeted code requires a '/clr' option
----------------------------------------

Notice, that when you pass a known bad command-line param as in the
following, you get something completely different:

----------------------------------------
C:\Temp>cl /clr /foobar:nomscorlib test.cpp
Microsoft (R) C/C++ Optimizing Compiler Version 14.00.50727.42
for Microsoft (R) .NET Framework version 2.00.50727.42
Copyright (C) Microsoft Corporation.  All rights reserved.

cl : Command line warning D9002 : ignoring unknown option
'/foobar:nomscorlib'
test.cpp
Microsoft (R) Incremental Linker Version 8.00.50727.42
Copyright (C) Microsoft Corporation.  All rights reserved.

/out:test.exe
test.obj
----------------------------------------

Hope this helps,

        -Trey

Author of "Accelerated C# 2005"
http://www.amazon.com/Accelerated-C-2005/dp/1590597176



> -----Original Message-----
> From: Discussion relating to the specifics of the C# and
> Managed C++ languages [mailto:[email protected]]
> On Behalf Of Chris Donovan
> Sent: Tuesday, September 05, 2006 9:54 PM
> To: [email protected]
> Subject: Re: [DOTNET-CX] C++\CLI Compiler /nostdlib option?
>
> Thanks for the suggestion, but we had found that option earlier.
> Unfortunately, the /NODEFAULTLIB linker option doesn't allow
> you to specify which mscorlib.dll you want to reference for
> metadata during the compile stage.  Also, in case I didn't
> make it clear before, we are trying to do both the compile
> and the link from the command-line, not from within Visual Studio.
>
> Chris
>
> -----Original Message-----
> From: Discussion relating to the specifics of the C# and
> Managed C++ languages [mailto:[email protected]]
> On Behalf Of Ivanoff, Alex
> Sent: Tuesday, September 05, 2006 5:08 PM
> To: [email protected]
> Subject: Re: [DOTNET-CX] C++\CLI Compiler /nostdlib option?
>
> Project Settings -> Configuration -> Linker -> Input either
> "Ignore All Default Libraries" or "Ignore Specific Library".
>
>
> -----Original Message-----
> From: Discussion relating to the specifics of the C# and
> Managed C++ languages [mailto:[email protected]]
> On Behalf Of Christopher Donovan
> Sent: Tuesday, September 05, 2006 16:42
> To: [email protected]
> Subject: [DOTNET-CX] C++\CLI Compiler /nostdlib option?
>
> Is there any command line argument in Microsoft's C++/CLI
> compiler that prevents the compiler from looking for mscorlib.dll in:
>
>         c:\windows\microsoft.net\framework\v2.0.50727\
>
> Our build environment requires that all builds be consistent
> and reproducible.  This means that there should be as little
> reliance as possible on the configuration of the particular
> machine used to build the software.  We require all
> components referenced during the build process to come from a
> single shared location, not from the user's local hard drive.
>
> C# and VB both provide the "/nostdlib" command line argument
> but I can not find anything similar in C++/CLI.
>
> Any thoughts?
>
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