benchmark/cmake/Modules/FindPFM.cmake

20 lines
793 B
CMake

# If successful, the following variables will be defined:
# HAVE_LIBPFM.
# Set BENCHMARK_ENABLE_LIBPFM to 0 to disable, regardless of libpfm presence.
include(CheckIncludeFile)
include(CheckLibraryExists)
enable_language(C)
check_library_exists(libpfm.a pfm_initialize "" HAVE_LIBPFM_INITIALIZE)
if(HAVE_LIBPFM_INITIALIZE)
check_include_file(perfmon/perf_event.h HAVE_PERFMON_PERF_EVENT_H)
check_include_file(perfmon/pfmlib.h HAVE_PERFMON_PFMLIB_H)
check_include_file(perfmon/pfmlib_perf_event.h HAVE_PERFMON_PFMLIB_PERF_EVENT_H)
if(HAVE_PERFMON_PERF_EVENT_H AND HAVE_PERFMON_PFMLIB_H AND HAVE_PERFMON_PFMLIB_PERF_EVENT_H)
message("Using Perf Counters.")
set(HAVE_LIBPFM 1)
endif()
else()
message("Perf Counters support requested, but was unable to find libpfm.")
endif()