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Altera_Forum
Honored Contributor I
1,166 Views

Setting environment variable to run different versions of Quartus

Hi, 

 

I have installed different versions of Quartus on my Windows PC. { Versions 13.1, 16.0 and 16.1} . I want to be able to run all versions on my PC { net necessarily at the same time } on my PC. Now my question is how to set the Quartus environment variables on my PC. 

My current environment variable is set as follow and I do not want to change every time I want to bring up different versions of Quartus: 

QUARTUS_ROOTDIR = C:\intelfpga\16.0\quartus 

Path = C:\intelFPGA\16.0\modelsim_ae\win32aloem 

QSYS_ROOTDIR = C:\intelFPGA\16.0\quartus\sopc_builder\bin 

SOPC_KIT_NIOS2 = C:\intelFPGA\16.0\nios2eds 

 

Can I add the environment variables to different versions at the same line ? For example can i change to something like this: 

QUARTUS_ROOTDIR = C:\intelfpga\16.0\quartus ; C:\intelfpga\16.1\quartus ; C:\ialtera\13.1\quartus  

 

and do the same to the other Quartus related environment variables? 

 

Thanks
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2 Replies
Altera_Forum
Honored Contributor I
81 Views

Old thread on this that may help: 

 

http://www.alteraforum.com/forum/showthread.php?t=45514
Altera_Forum
Honored Contributor I
81 Views

 

--- Quote Start ---  

Old thread on this that may help: 

 

http://www.alteraforum.com/forum/showthread.php?t=45514 

--- Quote End ---  

 

 

My OS is Windows 10 54 bit. When I make a project with 16.0 and then open Quarts 16.1 ad then open that project , crazy things happens unless I manually change the environment variables.
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