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cmake/module/FindUSDT.cmake
71 строка
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Luke Dashjr
trace: Workaround GCC bug compiling with old systemtap
04 сен 2025, 22:25
04 сен 2025, 22:25
93a29ff
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# Copyright (c) 2024-present The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or https://opensource.org/license/mit/. #[=======================================================================[ FindUSDT -------- Finds the Userspace, Statically Defined Tracing header(s). Imported Targets ^^^^^^^^^^^^^^^^ This module provides imported target ``USDT::headers``, if USDT has been found. Result Variables ^^^^^^^^^^^^^^^^ This module defines the following variables: ``USDT_FOUND`` "True" if USDT found. #]=======================================================================] find_path(USDT_INCLUDE_DIR NAMES sys/sdt.h ) mark_as_advanced(USDT_INCLUDE_DIR) if(USDT_INCLUDE_DIR) include(CMakePushCheckState) cmake_push_check_state(RESET) include(CheckCXXSourceCompiles) set(CMAKE_REQUIRED_INCLUDES ${USDT_INCLUDE_DIR}) check_cxx_source_compiles(" #if defined(__arm__) # define STAP_SDT_ARG_CONSTRAINT g #endif // Setting SDT_USE_VARIADIC lets systemtap (sys/sdt.h) know that we want to use // the optional variadic macros to define tracepoints. #define SDT_USE_VARIADIC 1 #include <sys/sdt.h> int main() { STAP_PROBEV(context, event); int a, b, c, d, e, f, g; STAP_PROBEV(context, event, a, b, c, d, e, f, g); } " HAVE_USDT_H ) cmake_pop_check_state() endif() include(FindPackageHandleStandardArgs) find_package_handle_standard_args(USDT REQUIRED_VARS USDT_INCLUDE_DIR HAVE_USDT_H ) if(USDT_FOUND AND NOT TARGET USDT::headers) add_library(USDT::headers INTERFACE IMPORTED) set_target_properties(USDT::headers PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${USDT_INCLUDE_DIR}" ) set(ENABLE_TRACING TRUE) endif()