#COPYRIGHT
#
#All contributions by the University of California:
#Copyright (c) 2014-2017 The Regents of the University of California (Regents)
#All rights reserved.
#
#All other contributions:
#Copyright (c) 2014-2017, the respective contributors
#All rights reserved.
#
#Caffe uses a shared copyright model: each contributor holds copyright over
#their contributions to Caffe. The project versioning records all such
#contribution and copyright details. If a contributor wants to further mark
#their specific copyright on a particular contribution, they should indicate
#their copyright solely in the commit message of the change when it is
#committed.
#
#LICENSE
#
#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 above copyright notice, this
#   list of conditions and the following disclaimer. 
#2. Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution. 
#
#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
#
#CONTRIBUTION AGREEMENT
#
#By contributing to the BVLC/caffe repository through pull-request, comment,
#or otherwise, the contributor releases their content to the
#license and copyright terms herein.
#

# - Try to find GFLAGS
#
# The following variables are optionally searched for defaults
#  GFLAGS_ROOT_DIR:            Base directory where all GFLAGS components are found
#
# The following are set after configuration is done:
#  GFLAGS_FOUND
#  GFLAGS_INCLUDE_DIRS
#  GFLAGS_LIBRARIES
#  GFLAGS_LIBRARYRARY_DIRS

include(FindPackageHandleStandardArgs)

set(GFLAGS_ROOT_DIR "" CACHE PATH "Folder contains Gflags")

# We are testing only a couple of files in the include directories
if(WIN32)
    find_path(GFLAGS_INCLUDE_DIR gflags/gflags.h
        PATHS ${GFLAGS_ROOT_DIR}/src/windows)
else()
    find_path(GFLAGS_INCLUDE_DIR gflags/gflags.h
        PATHS ${GFLAGS_ROOT_DIR})
endif()

if(MSVC)
    find_library(GFLAGS_LIBRARY_RELEASE
        NAMES libgflags
        PATHS ${GFLAGS_ROOT_DIR}
        PATH_SUFFIXES Release)

    find_library(GFLAGS_LIBRARY_DEBUG
        NAMES libgflags-debug
        PATHS ${GFLAGS_ROOT_DIR}
        PATH_SUFFIXES Debug)

    set(GFLAGS_LIBRARY optimized ${GFLAGS_LIBRARY_RELEASE} debug ${GFLAGS_LIBRARY_DEBUG})
else()
    find_library(GFLAGS_LIBRARY gflags)
endif()

find_package_handle_standard_args(GFlags DEFAULT_MSG GFLAGS_INCLUDE_DIR GFLAGS_LIBRARY)


if(GFLAGS_FOUND)
    set(GFLAGS_INCLUDE_DIRS ${GFLAGS_INCLUDE_DIR})
    set(GFLAGS_LIBRARIES ${GFLAGS_LIBRARY})
    message(STATUS "Found gflags  (include: ${GFLAGS_INCLUDE_DIR}, library: ${GFLAGS_LIBRARY})")
    mark_as_advanced(GFLAGS_LIBRARY_DEBUG GFLAGS_LIBRARY_RELEASE
                     GFLAGS_LIBRARY GFLAGS_INCLUDE_DIR GFLAGS_ROOT_DIR)
endif()