Intel® oneAPI Math Kernel Library
Ask questions and share information with other developers who use Intel® Math Kernel Library.
Announcements
Welcome to the Intel Community. If you get an answer you like, please mark it as an Accepted Solution to help others. Thank you!
6435 Discussions

catastrophic error: cannot open source file "mkl.h"

pascalm
Beginner
652 Views

Hi,

 

I really really really have a hard time navigating this site. So sorry if the docs state it.

 

I'm trying to run the matrix multiplication example found at https://software.intel.com/content/www/us/en/develop/download/609945.html

 

I then installed Intel MKL and the Intel Parallel Studio XE. The only reason I installed the Studio was the icc compiler. I don't plan to use any IDE currently.

 

So I installed

https://www.archlinux.org/packages/community/x86_64/intel-mkl/

https://aur.archlinux.org/pkgbase/intel-parallel-studio-xe/

 

Now if I cd into the directory for the example and use make I get:

$ make
icc -c src/dgemm_example.c -o release/dgemm_example.o
src/dgemm_example.c(27): catastrophic error: cannot open source file "mkl.h"
#include "mkl.h"
^

compilation aborted for src/dgemm_example.c (code 4)
make: *** [Makefile:26: release/dgemm_example.o] Error 4

 

I guess that's because there are no environment variables set. I tried to figure out how but e.g. the getting started guide for 2020 only points me to that "compilation command generator" tool. Which I don't need since i have a makefile.

 

So if I'm right with my assumption that I need to set env vars, which one do I need to set?

 

Also is it possible to use icc without all the IDE stuff? Or whatever is included in that Parallel Studio?

 

Thanks

0 Kudos
2 Replies
Gennady_F_Intel
Moderator
643 Views

>> Please set the mkl environments to your session by calling mklvars.sh script.

e.x: source /opt/intel/compilers_and_libraries_2020/linux/mkl/bin/mklvars.sh intel64

>> then dotn’t forget to add the mkl Include file directory when you compile your test:

icc -c -IMKLROOT/Include dgemm_example.c -o release/dgemm_example.o

....

>> You may also try to check how to builf the examples ( mklroot/examples folder) where you may find out makefiles which help to build these examples with many of supported mkl's modes


>> and please check MKL Getting Started documentation to see all needed info


Gennady_F_Intel
Moderator
614 Views

This issue has been resolved and we will no longer respond to this thread. If you require additional assistance from Intel, please start a new thread. Any further interaction in this thread will be considered community only. 



Reply