benchmark/cmake/Modules/FindPFM.cmake
Roman Lebedev e7fa637cbe
[NFC] PFM: actually report package as found, and advertise description
This slightly prettifies the CMake's `feature_summary()` output,
should the library be built as part of some project that then prints
the CMake summary.
2021-08-23 19:36:34 +03:00

26 lines
1.1 KiB
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)
set_package_properties(PFM PROPERTIES
URL http://perfmon2.sourceforge.net/
DESCRIPTION "a helper library to develop monitoring tools"
PURPOSE "Used to program specific performance monitoring events")
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)
set(PFM_FOUND 1)
endif()
else()
message("Perf Counters support requested, but was unable to find libpfm.")
endif()