I never include a #pragma comment(lib) for any C runtime library, whether
static or dynamic. For that I always use the /MT[d] or /MD[d] switch
(normally set through the IDE). You can't link to multiple versions of the
CRT. libcmt.lib is the static version of the CRT; msvcrt.lib is the import
library for the CRT DLL. In case you're not familiar with the concept, the
import library simply consists of a set of stubs and information to the
linker to build the necessary import table. libcmt.lib and msvcrt.lib
therefore contain 'implementations' of the same functions so you get link
errors.
I'm guessing dutil.lib and wcautil.lib are from WiX itself. They're static
libraries, so that shouldn't be a problem. advapi32.lib and msi.lib are
import libraries that are guaranteed to be present on any Windows system
with Windows Installer; shlwapi.lib is the import library for shlwapi.dll,
which was added in Internet Explorer 4.0 and should therefore be present on
Windows 98, Windows 2000 and newer. The WiX custom actions don't support
Windows 9X IIRC.
Are there any more libraries listed in the Link section of the project
properties?
--
Mike Dimmick
_____
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: 15 May 2007 18:42
To: WiX-users@lists.sourceforge.net
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Re: [WiX-users] CustomAction = .VC Runtime Dependency?
I'd appreciate any advice that could point me in the direction of solving
this problem.
With my project settings as they are, if I build the dll and the installer,
the installer will fail with the usual premature termination error, because
my dll failed to load.
I started working from a template I found online, so I may have been
following bad practices.
I'm compiling with /MT and have the following lines in my source
#pragma comment(lib,"msi.lib")
#pragma comment(lib,"shlwapi.lib")
#pragma comment(lib,"libcmt.lib")
#pragma comment(lib,"dutil.lib")
#pragma comment(lib,"advapi32.lib")
#pragma comment(lib,"wcautil.lib")
If I add this line
#pragma comment(lib,"msvcrt.lib")
Before the libcmt line, I get the warning LNK4098: defaultlib 'libcmt.lib'
conflicts with use of other libs
That makes sense to me, because from what I understand, msvcrt is the
dynamic multi-threaded library, and libcmt is the static one. The dll that
results from having that line added is much smaller, which makes me believe
its now dynamically linking dispite the /MT flag.
The part I'm having trouble understanding is that with msvcrt.lib, the
installer works (on systems where the runtime is installed), but without it,
the installer dies un able to run the dll code.
I'm assuming its either an issue with the project properties and/or my use
of those #pragma directives, but I'm not sure how to proceed.
Any ideas? (Obvious ones included :-) )
_____
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: Tuesday, May 15, 2007 11:34 AM
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]; WiX-users@lists.sourceforge.net
Subject: Re: [WiX-users] CustomAction = .VC Runtime Dependency?
So now's the time to add logging or even a MessageBox call to verify that
the function is now being loaded and executed.
Based on everything I've learned to this point, all signs point to something
wrong in how I built the dll.
I have logging throughout the dll already, and the project settings are all
that changed (it was semi-working before.)
In the past these "executing action failed" errors have meant a missing
dependency. My tendency here is to suspect I have mismatched libraries or
something along those lines, though I've got nothing to base that on.
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