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preventing non clang builds from attempting to activate llvm-xray profiling

This commit is contained in:
Peter Doak 2018-06-16 20:52:33 -04:00
parent 6e7af7e79e
commit d528fbdd29
1 changed files with 3 additions and 0 deletions
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3
CMakeLists.txt
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@ -693,6 +693,9 @@ SET(XRAY_INSTRUCTION_THRESHOLD 200 CACHE INT "Instruction threshold for xray ins
SET(XRAY_GPU_MOST FALSE CACHE BOOL "Manually instrument almost all of the CUDA implementations calls on the CPU")
IF(XRAY_PROFILE)
IF(NOT (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
MESSAGE( FATAL_ERROR "Xray profiling can only be used with the llvm toolchain." )
ENDIF(NOT (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
set(XRAY_FLAGS "-fxray-instrument -fxray-instruction-threshold=${XRAY_INSTRUCTION_THRESHOLD}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${XRAY_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${XRAY_FLAGS}")