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# -- Try to find LibSVM
#
# LibSVM is a Library for Support Vector Machines
# available at http://www.csie.ntu.edu.tw/~cjlin/libsvm/
#
# ------------------------------------------------------------------
#
# -- Library usage example :
#
# find_package (LibSVM 2.9.0)
# if (LIBSVM_FOUND)
# include_directories (${LIBSVM_INCLUDE_DIRS})
# add_executable (foo foo.cpp)
# target_link_libraries (foo ${LIBSVM_LIBRARIES})
# endif ()
#
# -- Show some debug information :
#
# set (LIBSVM_DEBUG TRUE)
# find_package (LibSVM)
#
# -------------------------------------------------------------------
#
# -- This module defines :
#
# LIBSVM_FOUND - the system has LibSVM
# LIBSVM_INCLUDE_DIR - where to find svm.h
# LIBSVM_INCLUDE_DIRS libsvm includes
# LIBSVM_LIBRARY - where to find the LibSVM library
# LIBSVM_LIBRARIES - aditional libraries
# LIBSVM_VERSION - version
# LIBSVM_MAJOR_VERSION - major version
# LIBSVM_MINOR_VERSION - minor version
# LIBSVM_SUBMINOR_VERSION - subminor version
# LIBSVM_ROOT_DIR - root dir (ex. /usr/local)
#
# ------------------------------------------------------------------
#
# Copyright (c) 2010 Julien Schueller <schueller at phimeca dot com>
#
# Redistribution and use is allowed according to the terms of the New
# BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#
# check for math header
if (NOT HAVE_MATH_H)
include (CheckIncludeFile)
check_include_file (math.h HAVE_MATH_H)
endif ()
# set LIBSVM_INCLUDE_DIR
if (NOT LIBSVM_INCLUDE_DIR)
find_path (LIBSVM_INCLUDE_DIR
NAMES
svm.h
PATHS
${LIBSVM_ROOT_DIR}/include
PATH_SUFFIXES
libsvm
libsvm-2.0/libsvm
DOC
"LibSVM include directory"
)
endif ()
# set LIBSVM_INCLUDE_DIR
if (NOT LIBSVM_INCLUDE_DIRS)
set (LIBSVM_INCLUDE_DIRS ${LIBSVM_INCLUDE_DIR})
endif ()
# version
if (NOT LIBSVM_VERSION)
set (LIBSVM_MAJOR_VERSION 0)
set (LIBSVM_MINOR_VERSION 0)
set (LIBSVM_SUBMINOR_VERSION 0)
if (LIBSVM_INCLUDE_DIR)
# LIBSVM_VERSION macro defined in svm.h since version 2.8.9
file (STRINGS "${LIBSVM_INCLUDE_DIR}/svm.h" _VERSION_STRING REGEX ".*LIBSVM_VERSION.*")
if (_VERSION_STRING)
string (REGEX REPLACE ".*_VERSION[ ]+([0-9]+)" "\\1" _VERSION_NUMBER "${_VERSION_STRING}")
math (EXPR LIBSVM_MAJOR_VERSION "${_VERSION_NUMBER} / 100")
math (EXPR LIBSVM_MINOR_VERSION "(${_VERSION_NUMBER} % 100 ) / 10")
math (EXPR LIBSVM_SUBMINOR_VERSION "${_VERSION_NUMBER} % 10")
endif ()
endif ()
set (LIBSVM_VERSION "${LIBSVM_MAJOR_VERSION}.${LIBSVM_MINOR_VERSION}.${LIBSVM_SUBMINOR_VERSION}")
endif ()
# check version
set (_LIBSVM_VERSION_MATCH TRUE)
set (_REQUIRED_VERSION "${LibSVM_FIND_VERSION_MAJOR}.${LibSVM_FIND_VERSION_MINOR}.${LibSVM_FIND_VERSION_PATCH}")
if (LibSVM_FIND_VERSION AND _VERSION_STRING)
if (LibSVM_FIND_VERSION_EXACT)
if ("${_REQUIRED_VERSION}" VERSION_EQUAL "${LIBSVM_VERSION}")
else()
set (_LIBSVM_VERSION_MATCH FALSE)
endif ()
else ()
if ("${_REQUIRED_VERSION}" VERSION_GREATER "${LIBSVM_VERSION}")
set (_LIBSVM_VERSION_MATCH FALSE)
endif ()
endif ()
endif ()
# set LIBSVM_LIBRARY
if(NOT LIBSVM_LIBRARY)
find_library (LIBSVM_LIBRARY
NAMES
svm
PATHS
${LIBSVM_ROOT_DIR}/lib
DOC
"LibSVM library location"
)
endif ()
# set LIBSVM_LIBRARIES
if (NOT LIBSVM_LIBRARIES)
set (LIBSVM_LIBRARIES ${LIBSVM_LIBRARY})
# link with math library on unix
if (UNIX)
list (APPEND LIBSVM_LIBRARIES "-lm")
endif ()
endif ()
# root dir
if (NOT LIBSVM_ROOT_DIR)
# try to guess root dir from include dir
if (LIBSVM_INCLUDE_DIR)
string (REGEX REPLACE "(.*)/include.*" "\\1" LIBSVM_ROOT_DIR ${LIBSVM_INCLUDE_DIR})
# try to guess root dir from library dir
elseif (LIBSVM_LIBRARY)
string (REGEX REPLACE "(.*)/lib[/|32|64].*" "\\1" LIBSVM_ROOT_DIR ${LIBSVM_LIBRARY})
endif ()
endif ()
# debug
if (LIBSVM_DEBUG)
message (STATUS "LIBSVM_LIBRARY: ${LIBSVM_LIBRARY}")
message (STATUS "LIBSVM_LIBRARIES: ${LIBSVM_LIBRARIES}")
message (STATUS "LIBSVM_INCLUDE_DIR: ${LIBSVM_INCLUDE_DIR}")
message (STATUS "LIBSVM_INCLUDE_DIRS: ${LIBSVM_INCLUDE_DIRS}")
message (STATUS "LIBSVM_ROOT_DIR: ${LIBSVM_ROOT_DIR}")
message (STATUS "LIBSVM_VERSION: ${LIBSVM_VERSION}")
message (STATUS "LIBSVM_MAJOR_VERSION: ${LIBSVM_MAJOR_VERSION}")
message (STATUS "LIBSVM_MINOR_VERSION: ${LIBSVM_MINOR_VERSION}")
message (STATUS "LIBSVM_SUBMINOR_VERSION: ${LIBSVM_SUBMINOR_VERSION}")
endif ()
# handle REQUIRED and QUIET options
include (FindPackageHandleStandardArgs)
find_package_handle_standard_args (LibSVM DEFAULT_MSG LIBSVM_LIBRARY
_LIBSVM_VERSION_MATCH
HAVE_MATH_H
LIBSVM_INCLUDE_DIR
LIBSVM_INCLUDE_DIRS
LIBSVM_LIBRARIES
LIBSVM_ROOT_DIR
LIBSVM_VERSION
)
mark_as_advanced (
LIBSVM_LIBRARY
LIBSVM_LIBRARIES
LIBSVM_INCLUDE_DIR
LIBSVM_INCLUDE_DIRS
LIBSVM_ROOT_DIR
LIBSVM_VERSION
)
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