# what library is cutilD?

**URL:** <https://forums.developer.nvidia.com/t/what-library-is-cutild/6924>\
**Category:** CUDA Programming and Performance\
**Created:** [December 20, 2008, 9:56am UTC](https://forums.developer.nvidia.com/t/what-library-is-cutild/6924 "2008-12-20T09:56:52Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Gimurk](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@Gimurk](https://forums.developer.nvidia.com/u/Gimurk)\
**Post date:** [December 20, 2008, 9:56am UTC](https://forums.developer.nvidia.com/t/what-library-is-cutild/6924/1 "2008-12-20T09:56:52Z")

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i can build a project in release or emurelease mode by typing “make(emu=1)” in the project’s directory, but there come out a error when i try to build in debug or emudebug mode by typing “make dbg=1 (emu=1)” in the same directory. it seem that a library naming libcutilD.so is absent, but i have no idea about this library, hope someone who knows something about it give me a tip…

here is the error info:  
/usr/bin/ld: cannot find -lcutilD  
collect2: ld returned 1 exit status  
make: \*\*\* […/…/bin/linux/debug/apriori\_in\_cuda] Error 1

thanks in advance

Gimurk

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**Author:** ![mfatica](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@mfatica](https://forums.developer.nvidia.com/u/mfatica)\
**Post date:** [December 20, 2008, 7:47pm UTC](https://forums.developer.nvidia.com/t/what-library-is-cutild/6924/2 "2008-12-20T19:47:52Z")

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cutilD is the debug version of the cutil library. You need to rebuild if from source using the make dbg=1 , it is under the common subdirectory in the SDK directory.

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<div class="post-metadata">

**Author:** ![Gimurk](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@Gimurk](https://forums.developer.nvidia.com/u/Gimurk)\
**Post date:** [December 21, 2008, 2:48am UTC](https://forums.developer.nvidia.com/t/what-library-is-cutild/6924/3 "2008-12-21T02:48:15Z")

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> [@](#):
>
> cutilD is the debug version of the cutil library. You need to rebuild if from source using the make dbg=1 , it is under the common subdirectory in the SDK directory.

i see, thanks.