error: function 'write_channel_altera' is not supported by the Intel(R) FPGA SDK for OpenCL(TM), and no user definition is provided

Description

You may see this error when compiling an Intel® OpenCL kernel file (*.cl) which uses  “altera” as its function name.

Resolution

Open the kernel file name in a text editor and replace all instances of the “altera” name with “intel” for example:

from:

write_channel_altera

to:

write_channel_intel