Fixes for OpenCL issues reported on Apple Mac. Still get -54 on Apple...

[zdenko podobny]

Hello Mac user/developers,

We got fix for some issues reported on Apple Mac...

Patch is committed in current github rmaster repository. Can you please check it (including build systems)?

Zdenko

[Tom Morris]

Build instructions are here:

https://github.com/tesseract-ocr/tesseract/wiki/TesseractOpenCL

It should basically just be

./autogen.sh

./configure --enable-opencl

make

sudo make install

For me, it doesn't build out of the box.  Some of the things I had to change:

- add to configure.ac:

AM_CONDITIONAL(OPENMP, false)

(This appears unrelated to OpenCL, but instead a recent unrelated change)

- autogen check for OpenCL lib fails even though it's present (not an AC expert, so I just disabled it as a workaround in configure.ac)

have_opencl_lib=true

#AC_CHECK_LIB(OpenCL, clGetPlatformIDs, have_opencl_lib=true, have_opencl_lib=false)

- Leptonica headers not being found (for Macports):

-  LIBLEPT_HEADERSDIR="/usr/local/include /usr/include"

+  LIBLEPT_HEADERSDIR="/usr/local/include /usr/include /opt/local/include/leptonica"

That gets it as far as compiling, but now there are compilation errors.  They don't look to serious, but I don't have time right now to look into them.

Tom

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[zdenko podobny]

Thanks for testing and report. Build issue should be fixed in repository...

Zdenko

To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-dev/CAE9vqEEqb94JWURv6j61ofgGYcv6PAJpNoYqqbsrmA%3D63Loszg%40mail.gmail.com.