Include IGA in the default build

[dvrogozh]

Please, include IGA into default build. This is required to build media-driver VP shaders/kernels: https://github.com/intel/media-driver/tree/master/media_driver/agnostic/gen11_icllp/vp/kernel/Source

[iwwu]

IGC already included IGA library (i.e. iga64.so) in the build. We are looking into including IGA executable (i.e. iga64.exe) as well.

[dvrogozh]

To build IGA manually:

cd visa/iga
mkdir build && cd build
cmake ..
make

[iwwu]

iga64 is stored under /usr/local/bin by default
Available in igc_release_2019-01-15

[dvrogozh]

I was building IGC with (on CentOS 7):

scl enable devtoolset-4 llvm-toolset-7 -- cmake -DIGC_OPTION__OUTPUT_DIR=../igc-install/Release -DCMAKE_INSTALL_PREFIX=/home/dvrogozh/git/github/cmc ../igc
make -j8
make install

And I got iga64 installed twice:

-- Install: /home/dvrogozh/git/github/cmc/bin/iga64
-- Install: /home/dvrogozh/git/github/cmc/./iga64

The second one is unexpected. Can this be, please, fixed?

[iwwu]

Your request regarding this is already addressed in our pending patch. I will update this issue when it's fixed.
Install: /home/dvrogozh/git/github/cmc/./iga64

[dvrogozh]

Sounds good. Thank you.

[dvrogozh]

@iwwu : I was just rebuilding IGC and I believe the pending patch you were talking about has landed (I am on b9d9c18). Can you, please, confirm and specify commitid where fix presents?

[iwwu]

It's on 64632fa (tag: igc_release_2019-01-15)