topic LINK : fatal error LNK1181: cannot open input file 'core.lib' in Fusion API and Scripts Forum

LINK : fatal error LNK1181: cannot open input file 'core.lib'

tperam — Fri, 03 Jul 2020 21:30:59 GMT

LINK : fatal error LNK1181: cannot open input file 'core.lib'

Hi,

I am getting the above Link Error on Build of a C++ File in Fusion 360 Microsoft Visual Studio Academic.

Where is file core.lib located?

How can I solve this issue?

Please help.

Regards,

Thurai

Re: LINK : fatal error LNK1181: cannot open input file 'core.lib'

tperam — Sat, 04 Jul 2020 12:34:45 GMT

This happened even after reinstalling Fusion 360.

Regards,

Thurai

Re: LINK : fatal error LNK1181: cannot open input file 'core.lib'

tperam — Sat, 04 Jul 2020 14:41:00 GMT

Fusion 360 Visual Studio is giving the following Error on compiling any Code: LINK : fatal error LNK1181: cannot open input file 'core.lib'

C:\Users\tpera\AppData\Roaming\Autodesk\Autodesk Fusion 360\API\CPP\lib

Fusion Object File Library Updated on June 29, 2020 at 5:10 AM 649 KB

But my Laptop Same Directory Has 3 Files:

Cam, Core, fusion All of them Fusion Object File Library Updated on June 29, 2020 at 5:10 AM.

My Desktop has only one Fusion Object Library file: fusion. May be the Linker in the Desktop is looking for core.lib in the core object library, which is not there. This is a possibility why my Desktop is giving the Link Error LNK1181.

Then I copied the core and cam Fusion Object Files from the Laptop to my Desktop. Then My Desktop Visual Studio Academic Compiled and Linked my C++ File successfully.

So the error Occured because Fusion 360 when updated the Object Library on June 29, 2020 at 5:10 AM did not install the cam and core object Library Files in Windows 10 Professional operating system. My Laptop has regular windows 10 operating system.

Regards,

Thurai

Re: LINK : fatal error LNK1181: cannot open input file 'core.lib'

nnikbin — Mon, 06 Jul 2020 01:57:13 GMT

Thank you so much @tperam for reporting the issue and the solution.

I had the exact same problem on my desktop with Windows 10 Pro. Then as you adviced, I installed Fusion 360 on my laptop (Windows 10 Home) and copied the cam.lib and core.lib from my laptop into Windows 10 Pro machine. The issue resolved.

I will appreciate it if Autodesk publish a patch for this issue ASAP.

Re: LINK : fatal error LNK1181: cannot open input file 'core.lib'

tperam — Tue, 07 Jul 2020 16:01:29 GMT

I am glad to have been lucky to find it.

Regards,
Thurai