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build: add dtrace USDT probe support #264

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Merged
das merged 1 commit into from
Jun 29, 2017
Merged

build: add dtrace USDT probe support #264

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26 changes: 26 additions & 0 deletions cmake/modules/DTrace.cmake
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Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@

function(dtrace_usdt_probe script)
set(options)
set(single_parameter_options TARGET_NAME OUTPUT_SOURCES)
set(multiple_parameter_options)

cmake_parse_arguments("" "${options}" "${single_parameter_options}" "${multiple_parameter_options}" ${ARGN})

get_filename_component(script_we ${script} NAME_WE)

add_custom_command(OUTPUT
${CMAKE_CURRENT_BINARY_DIR}/${script_we}.h
COMMAND
${dtrace_EXECUTABLE} -h -s ${script} -o ${CMAKE_CURRENT_BINARY_DIR}/${script_we}.h
DEPENDS
${script})
add_custom_target(dtrace-usdt-header-${script_we}
DEPENDS
${CMAKE_CURRENT_BINARY_DIR}/${script_we}.h)
if(_TARGET_NAME)
set(${_TARGET_NAME} dtrace-usdt-header-${script_we} PARENT_SCOPE)
endif()
if(_OUTPUT_SOURCES)
set(${_OUTPUT_SOURCES} ${CMAKE_CURRENT_BINARY_DIR}/${script_we}.h PARENT_SCOPE)
endif()
endfunction()
10 changes: 10 additions & 0 deletions src/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@

include(SwiftSupport)
include(DTrace)

add_library(dispatch
allocator.c
Expand Down Expand Up @@ -103,11 +104,20 @@ if(CMAKE_SWIFT_COMPILER)
swift/DispatchStubs.cc
${CMAKE_CURRENT_BINARY_DIR}/swiftDispatch.o)
endif()
if(dtrace_EXECUTABLE)
dtrace_usdt_probe(${CMAKE_CURRENT_SOURCE_DIR}/provider.d
OUTPUT_SOURCES
dispatch_dtrace_provider_headers)
target_sources(dispatch
PRIVATE
${dispatch_dtrace_provider_headers})
endif()
target_include_directories(dispatch
PRIVATE
${CMAKE_BINARY_DIR}
${CMAKE_SOURCE_DIR}
${CMAKE_CURRENT_SOURCE_DIR}
${CMAKE_CURRENT_BINARY_DIR}
${CMAKE_SOURCE_DIR}/private)
if(WITH_PTHREAD_WORKQUEUES)
target_include_directories(dispatch
Expand Down