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[Build][NFC] Split off libpfm detection to a separate module.

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llvm-svn: 329783
This commit is contained in:
Clement Courbet 2018-04-11 07:39:00 +00:00
parent 8787081f3e
commit 512991d3bb
2 changed files with 24 additions and 11 deletions
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12
cmake/config-ix.cmake
View File

@ -90,17 +90,7 @@ if( NOT PURE_WINDOWS )
endif()
# Check for libpfm.
if (LLVM_ENABLE_LIBPFM)
check_library_exists(pfm 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)
set(HAVE_LIBPFM 1)
endif()
endif()
endif()
include(FindLibpfm)
if(HAVE_LIBPTHREAD)
# We want to find pthreads library and at the moment we do want to

23
cmake/modules/FindLibpfm.cmake Normal file
View File

@ -0,0 +1,23 @@
# CMake module for finding libpfm4.
#
# If successful, the following variables will be defined:
# HAVE_LIBPFM
#
# Libpfm can be disabled by setting LLVM_ENABLE_LIBPFM to 0.
include(CheckIncludeFile)
include(CheckLibraryExists)
if (LLVM_ENABLE_LIBPFM)
check_library_exists(pfm 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)
set(HAVE_LIBPFM 1)
endif()
endif()
endif()