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-rw-r--r--llvm/cmake/config-ix.cmake12
-rw-r--r--llvm/cmake/modules/FindLibpfm.cmake23
2 files changed, 24 insertions, 11 deletions
diff --git a/llvm/cmake/config-ix.cmake b/llvm/cmake/config-ix.cmake
index d717d5f61b8..b6f0c369560 100644
--- a/llvm/cmake/config-ix.cmake
+++ b/llvm/cmake/config-ix.cmake
@@ -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
diff --git a/llvm/cmake/modules/FindLibpfm.cmake b/llvm/cmake/modules/FindLibpfm.cmake
new file mode 100644
index 00000000000..202bb030e38
--- /dev/null
+++ b/llvm/cmake/modules/FindLibpfm.cmake
@@ -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()
+
+
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