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-rw-r--r--cmake/cpu_info.cmake43
1 files changed, 43 insertions, 0 deletions
diff --git a/cmake/cpu_info.cmake b/cmake/cpu_info.cmake
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+# Copyright (c) 2009, 2011, 2012 Oracle and/or its affiliates. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA
+
+# Symbols with information about the CPU.
+
+IF(NOT DEFINED CPU_LEVEL1_DCACHE_LINESIZE)
+
+IF(CMAKE_SYSTEM_NAME MATCHES "Darwin")
+ FIND_PROGRAM(SYSCTL sysctl)
+ MARK_AS_ADVANCED(SYSCTL)
+
+ IF(SYSCTL)
+ EXECUTE_PROCESS(
+ COMMAND ${SYSCTL} -n hw.cachelinesize
+ OUTPUT_VARIABLE CPU_LEVEL1_DCACHE_LINESIZE
+ )
+ ENDIF()
+
+ELSE()
+ FIND_PROGRAM(GETCONF getconf)
+ MARK_AS_ADVANCED(GETCONF)
+
+ IF(GETCONF)
+ EXECUTE_PROCESS(
+ COMMAND ${GETCONF} LEVEL1_DCACHE_LINESIZE
+ OUTPUT_VARIABLE CPU_LEVEL1_DCACHE_LINESIZE
+ )
+ ENDIF()
+ENDIF()
+
+ENDIF()