https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103306
--- Comment #9 from Zdenek Sojka <zsojka at seznam dot cz> --- (In reply to Andrew Pinski from comment #8) > (In reply to Zdenek Sojka from comment #6) > > With 04c5a91d068c4ca2f09c2bc206fce00db9d1790b reverted, the output is: > > > > $ grep -C5 'Cannot access ' gcccompile-REVERT.log > > Applying io_quotes_use to xorg/xorgVersion.h > > Applying io_quotes_use to xorg/xf86Module.h > > Applying strict_ansi_only to xorg/compiler.h > > Fixed: xorg/compiler.h > > Quoted includes in xorg/compiler.h > > Cannot access CL/cl_ext.h from /usr/include > > error 2 (No such file or directory) > > Cannot access CL/cl_gl_ext.h from /usr/include > > error 2 (No such file or directory) > > Cannot access CL/cl_gl.h from /usr/include > > error 2 (No such file or directory) > > Cannot access CL/cl.h from /usr/include > > error 2 (No such file or directory) > > Cannot access CL/cl_platform.h from /usr/include > > error 2 (No such file or directory) > > Cannot access CL/opencl.h from /usr/include > > error 2 (No such file or directory) > > can you do: > ls -latR /usr/include/CL ? > > Because I think your filesystem is corrupted. There are no references to CL > or cl_ext.h in fixincludes at all. $ ls -latR /usr/include/CL /usr/include/CL: total 28 drwxr-xr-x 1 root root 15388 Nov 17 08:32 .. drwxr-xr-x 1 root root 114 Jan 23 2017 . lrwxrwxrwx 1 root root 43 Jan 23 2017 cl.hpp -> ../../lib64/OpenCL/global/include/CL/cl.hpp lrwxrwxrwx 1 root root 41 Jan 23 2017 cl.h -> ../../lib64/OpenCL/global/include/CL/cl.h lrwxrwxrwx 1 root root 50 Jan 23 2017 cl_platform.h -> ../../lib64/OpenCL/global/include/CL/cl_platform.h lrwxrwxrwx 1 root root 45 Jan 23 2017 opencl.h -> ../../lib64/OpenCL/global/include/CL/opencl.h lrwxrwxrwx 1 root root 45 Jan 23 2017 cl_ext.h -> ../../lib64/OpenCL/global/include/CL/cl_ext.h lrwxrwxrwx 1 root root 48 Jan 23 2017 cl_gl_ext.h -> ../../lib64/OpenCL/global/include/CL/cl_gl_ext.h lrwxrwxrwx 1 root root 44 Jan 23 2017 cl_gl.h -> ../../lib64/OpenCL/global/include/CL/cl_gl.h thank you for pointing that out; these are broken symlinks (maybe there was a package providing these, which was removed later)