FindEigen2.cmake

# - Try to find Eigen2 lib
# Once done this will define
#
#  EIGEN2_FOUND - system has eigen lib
#  EIGEN2_INCLUDE_DIR - the eigen include directory

# Copyright (c) 2006, 2007 Montel Laurent, <montel@kde.org>

# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:

# 1. Redistributions of source code must retain the copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
#    derived from this software without specific prior written permission.

# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

if (EIGEN2_INCLUDE_DIR)

  # in cache already
  set(EIGEN2_FOUND TRUE)

else ()

find_path(EIGEN2_INCLUDE_DIR NAMES Eigen/Core
     PATHS
     ${INCLUDE_INSTALL_DIR}
     ${KDE4_INCLUDE_DIR}
     PATH_SUFFIXES eigen2
   )

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Eigen2 DEFAULT_MSG EIGEN2_INCLUDE_DIR )


mark_as_advanced(EIGEN2_INCLUDE_DIR)

endif()