Hi there,
I've been working with dynamic libraries for a quite big software and now
and then I may get some weird linking errors, like following
MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _fprintf already defined in
libcmtd.lib(fprintf.obj)
MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _swprintf already defined in
libcmtd.lib(swprintf.obj)
MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _free already defined in
libcmtd.lib(dbgheap.obj)
MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _malloc already defined in
libcmtd.lib(dbgheap.obj)
MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _printf already defined in
libcmtd.lib(printf.obj)
MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _strchr already defined in
libcmtd.lib(strchr.obj)
MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _sprintf already defined in
libcmtd.lib(sprintf.obj)
The symbols invovled in the linking errors are actually some basic c++
library functions and I used them in many other places. The problem
disappeared for some unknown reason before, but this time they just refuse to
go. Any idea what's causing the problem and what I should do to get rid of
this kind of problem. Suggestions are really appreciated. Thanks.
rich 3 4595
Are all your cpp files compiled with the same CRT library setting (e. g.
/MD)?
"rich" <ri**@discussions.microsoft.com> wrote in message
news:72**********************************@microsof t.com... Hi there,
I've been working with dynamic libraries for a quite big software and now and then I may get some weird linking errors, like following
MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _fprintf already defined in libcmtd.lib(fprintf.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _swprintf already defined in libcmtd.lib(swprintf.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _free already defined in libcmtd.lib(dbgheap.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _malloc already defined in libcmtd.lib(dbgheap.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _printf already defined in libcmtd.lib(printf.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _strchr already defined in libcmtd.lib(strchr.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _sprintf already defined in libcmtd.lib(sprintf.obj)
The symbols invovled in the linking errors are actually some basic c++ library functions and I used them in many other places. The problem disappeared for some unknown reason before, but this time they just refuse to go. Any idea what's causing the problem and what I should do to get rid of this kind of problem. Suggestions are really appreciated. Thanks.
rich
I guess so. In this specific solution, I have two projects and I set both of
them as /MTd (this is the required setting). But I am not sure if one/some of
the cpp files are using other CRT library setting, while I didn't realize it?
Is there any way I can check? By the way, last time I had a similar problelm
and the way I found to handle it was remove specific files from a project and
then add them back. I know it doesn't make much sense, but the error doesn't
make sense either to me.
Regards, rich
"Marcus Heege" wrote: Are all your cpp files compiled with the same CRT library setting (e. g. /MD)?
"rich" <ri**@discussions.microsoft.com> wrote in message news:72**********************************@microsof t.com... Hi there,
I've been working with dynamic libraries for a quite big software and now and then I may get some weird linking errors, like following
MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _fprintf already defined in libcmtd.lib(fprintf.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _swprintf already defined in libcmtd.lib(swprintf.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _free already defined in libcmtd.lib(dbgheap.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _malloc already defined in libcmtd.lib(dbgheap.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _printf already defined in libcmtd.lib(printf.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _strchr already defined in libcmtd.lib(strchr.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _sprintf already defined in libcmtd.lib(sprintf.obj)
The symbols invovled in the linking errors are actually some basic c++ library functions and I used them in many other places. The problem disappeared for some unknown reason before, but this time they just refuse to go. Any idea what's causing the problem and what I should do to get rid of this kind of problem. Suggestions are really appreciated. Thanks.
rich
Hi Marcus, Thanks a lot for your advice. I just checked and found one of my
cpp files are using a different CRT library. Thanks again.
rich
"Marcus Heege" wrote: Are all your cpp files compiled with the same CRT library setting (e. g. /MD)?
"rich" <ri**@discussions.microsoft.com> wrote in message news:72**********************************@microsof t.com... Hi there,
I've been working with dynamic libraries for a quite big software and now and then I may get some weird linking errors, like following
MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _fprintf already defined in libcmtd.lib(fprintf.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _swprintf already defined in libcmtd.lib(swprintf.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _free already defined in libcmtd.lib(dbgheap.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _malloc already defined in libcmtd.lib(dbgheap.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _printf already defined in libcmtd.lib(printf.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _strchr already defined in libcmtd.lib(strchr.obj) MSVCRTD.lib(MSVCR71D.dll) : error LNK2005: _sprintf already defined in libcmtd.lib(sprintf.obj)
The symbols invovled in the linking errors are actually some basic c++ library functions and I used them in many other places. The problem disappeared for some unknown reason before, but this time they just refuse to go. Any idea what's causing the problem and what I should do to get rid of this kind of problem. Suggestions are really appreciated. Thanks.
rich This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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