3 include(CheckSourceCompiles)
5 check_source_compiles(ISPC "I don't build" SHOULD_FAIL)
7 message(SEND_ERROR "invalid ISPC source didn't fail.")
10 check_source_compiles(ISPC [=[
12 float func(uniform int32, float a)
19 message(SEND_ERROR "Test fail for valid ISPC source.")