I've been installing mesa-9999 package with USE=opencl and noticed on updating the following message: Switching to xorg-x11 OpenGL interface... done !!! Error: The mesa OpenCL implementation doesn't seem to provide !!! Error: libOpenCL.so file. This might be an effect of breakage introduced !!! Error: by a prioprietary driver installer. Please re-merge the package !!! Error: providing your OpenCL implementation. !!! Error: Selected OpenCL implementation incomplete. exiting The /usr/lib/OpenCL/vendors/mesa/include/ /usr/lib/OpenCL/vendors/mesa/lib/ dirs are empty. There are /usr/lib/libMesaOpenCL.so* files installed. Switching to ocl-icd also doesn't work properly as no headers are found: # ls -l /usr/include/CL/ total 32 lrwxrwxrwx 1 root root 49 May 30 18:00 cl_egl.h -> //usr/lib64/OpenCL/global/include/CL-1.2/cl_egl.h lrwxrwxrwx 1 root root 51 Nov 3 12:40 cl_ext.h -> ../../lib64/OpenCL/vendors/mesa/include/CL/cl_ext.h lrwxrwxrwx 1 root root 54 Nov 3 12:40 cl_gl_ext.h -> ../../lib64/OpenCL/vendors/mesa/include/CL/cl_gl_ext.h lrwxrwxrwx 1 root root 50 Nov 3 12:40 cl_gl.h -> ../../lib64/OpenCL/vendors/mesa/include/CL/cl_gl.h lrwxrwxrwx 1 root root 47 Nov 3 12:40 cl.h -> ../../lib64/OpenCL/vendors/mesa/include/CL/cl.h lrwxrwxrwx 1 root root 49 Nov 3 12:40 cl.hpp -> ../../lib64/OpenCL/vendors/mesa/include/CL/cl.hpp lrwxrwxrwx 1 root root 56 Nov 3 12:40 cl_platform.h -> ../../lib64/OpenCL/vendors/mesa/include/CL/cl_platform.h lrwxrwxrwx 1 root root 51 Nov 3 12:40 opencl.h -> ../../lib64/OpenCL/vendors/mesa/include/CL/opencl.h All but the top entry is a broken link.
To get this to work again, I added: $(use_enable opencl) --disable-opencl-icd to the ebuild, which then compiles libOpenCL.so not libMesaOpenCL.so giving: ls -lR /usr/lib/OpenCL/vendors/mesa/ /usr/lib/OpenCL/vendors/mesa/: total 1020 drwxr-xr-x 1 root root 4 Nov 27 19:41 include drwxr-xr-x 1 root root 0 May 30 18:29 lib lrwxrwxrwx 1 root root 18 Nov 27 19:40 libOpenCL.so -> libOpenCL.so.1.0.0 lrwxrwxrwx 1 root root 18 Nov 27 19:40 libOpenCL.so.1 -> libOpenCL.so.1.0.0 -rwxr-xr-x 1 root root 1034064 Nov 27 19:40 libOpenCL.so.1.0.0 /usr/lib/OpenCL/vendors/mesa/include: total 0 drwxr-xr-x 1 root root 214 Nov 27 19:41 CL /usr/lib/OpenCL/vendors/mesa/include/CL: total 284 -rw-r--r-- 1 root root 4883 Nov 27 19:40 cl_d3d10.h -rw-r--r-- 1 root root 4877 Nov 27 19:40 cl_d3d11.h -rw-r--r-- 1 root root 5181 Nov 27 19:40 cl_dx9_media_sharing.h -rw-r--r-- 1 root root 5164 Nov 27 19:40 cl_egl.h -rw-r--r-- 1 root root 13999 Nov 27 19:40 cl_ext.h -rw-r--r-- 1 root root 2630 Nov 27 19:40 cl_gl_ext.h -rw-r--r-- 1 root root 7346 Nov 27 19:40 cl_gl.h -rw-r--r-- 1 root root 61550 Nov 27 19:40 cl.h -rw-r--r-- 1 root root 112900 Nov 27 19:40 cl.hpp -rw-r--r-- 1 root root 41327 Nov 27 19:40 cl_platform.h -rw-r--r-- 1 root root 1754 Nov 27 19:40 opencl.h /usr/lib/OpenCL/vendors/mesa/lib: total 0 ls -lR /usr/lib/libOpenCL* lrwxrwxrwx 1 root root 38 Nov 27 19:41 /usr/lib/libOpenCL.so -> OpenCL/vendors/mesa/libOpenCL.so.1.0.0 lrwxrwxrwx 1 root root 38 Nov 27 19:41 /usr/lib/libOpenCL.so.1 -> OpenCL/vendors/mesa/libOpenCL.so.1.0.0 1) Why doesn't the ebuild install the libs to /usr/lib/OpenCL/vendors/mesa/lib? 2) There are obvious issues with this being built as an ICD, which is how OpenCL is supposed to work, i.e. multiple implementations on one system controlled via a loader library which finds the icd's via /etc/OpenCL.
Created attachment 506852 [details, diff] Don't compile OpenCL / Clover lib as an ICD library.
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=2520c11d0de89e908aa68c082daa8cabdd9e5dcf commit 2520c11d0de89e908aa68c082daa8cabdd9e5dcf Author: Matt Turner <mattst88@gentoo.org> AuthorDate: 2017-12-10 06:59:14 +0000 Commit: Matt Turner <mattst88@gentoo.org> CommitDate: 2017-12-10 06:59:47 +0000 media-libs/mesa: Use --disable-opencl-icd for now Bug: https://bugs.gentoo.org/638322 media-libs/mesa/mesa-9999.ebuild | 1 + 1 file changed, 1 insertion(+)}
