#
# Copyright 2011 Free Software Foundation, Inc.
#
# 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
#

########################################################################
# Project setup
########################################################################
cmake_minimum_required(VERSION 2.6)
if(NOT DEFINED CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE Release)
endif()
set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING "Choose build type: None Debug Release RelWithDebInfo MinSizeRel")
project(volk)
enable_language(CXX)
enable_language(C)
enable_testing()
set(VERSION 0.1)
set(LIBVER 0.0.0)

set(CMAKE_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) #allows this to be a sub-project
set(CMAKE_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) #allows this to be a sub-project
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake) #location for custom "Modules"

########################################################################
# Environment setup
########################################################################
IF(NOT DEFINED BOOST_ROOT)
    SET(BOOST_ROOT ${CMAKE_INSTALL_PREFIX})
ENDIF()

IF(NOT DEFINED CROSSCOMPILE_MULTILIB)
    SET(CROSSCOMPILE_MULTILIB "")
ENDIF()
SET(CROSSCOMPILE_MULTILIB ${CROSSCOMPILE_MULTILIB} CACHE STRING "Define \"true\" if you have and want to use multiple C development libs installed for cross compile")


########################################################################
# Dependencies setup
########################################################################
include(GrPython) #sets PYTHON_EXECUTABLE and PYTHON_DASH_B
GR_PYTHON_CHECK_MODULE("python >= 2.5"     sys          "sys.version.split()[0] >= '2.5'"           PYTHON_MIN_VER_FOUND)
GR_PYTHON_CHECK_MODULE("Cheetah >= 2.0.0"  Cheetah      "Cheetah.Version >= '2.0.0'"                CHEETAH_FOUND)

if(NOT PYTHON_MIN_VER_FOUND)
    message(FATAL_ERROR "Python 2.5 or greater required to build VOLK")
endif()

if(NOT CHEETAH_FOUND)
    message(FATAL_ERROR "Cheetah templates required to build VOLK")
endif()

if(MSVC)
    if (NOT DEFINED BOOST_ALL_DYN_LINK)
        set(BOOST_ALL_DYN_LINK TRUE)
    endif()
    set(BOOST_ALL_DYN_LINK "${BOOST_ALL_DYN_LINK}" CACHE BOOL "boost enable dynamic linking")
    if(BOOST_ALL_DYN_LINK)
        add_definitions(-DBOOST_ALL_DYN_LINK) #setup boost auto-linking in msvc
    else(BOOST_ALL_DYN_LINK)
        unset(BOOST_REQUIRED_COMPONENTS) #empty components list for static link
    endif(BOOST_ALL_DYN_LINK)
endif(MSVC)

set(Boost_ADDITIONAL_VERSIONS
    "1.35.0" "1.35" "1.36.0" "1.36" "1.37.0" "1.37" "1.38.0" "1.38" "1.39.0" "1.39"
    "1.40.0" "1.40" "1.41.0" "1.41" "1.42.0" "1.42" "1.43.0" "1.43" "1.44.0" "1.44"
    "1.45.0" "1.45" "1.46.0" "1.46" "1.47.0" "1.47" "1.48.0" "1.48" "1.49.0" "1.49"
    "1.50.0" "1.50" "1.51.0" "1.51" "1.52.0" "1.52" "1.53.0" "1.53" "1.54.0" "1.54"
    "1.55.0" "1.55" "1.56.0" "1.56" "1.57.0" "1.57" "1.58.0" "1.58" "1.59.0" "1.59"
    "1.60.0" "1.60" "1.61.0" "1.61" "1.62.0" "1.62" "1.63.0" "1.63" "1.64.0" "1.64"
    "1.65.0" "1.65" "1.66.0" "1.66" "1.67.0" "1.67" "1.68.0" "1.68" "1.69.0" "1.69"
)
find_package(Boost COMPONENTS unit_test_framework filesystem system)

if(NOT Boost_FOUND)
    message(FATAL_ERROR "VOLK Requires boost to build")
endif()

find_package(ORC)

########################################################################
# Setup the package config file
########################################################################
#set variables found in the pc.in file
set(prefix ${CMAKE_INSTALL_PREFIX})
set(exec_prefix "\${prefix}")
set(libdir "\${exec_prefix}/lib${LIB_SUFFIX}")
set(includedir "\${prefix}/include")

configure_file(
    ${CMAKE_CURRENT_SOURCE_DIR}/volk.pc.in
    ${CMAKE_CURRENT_BINARY_DIR}/volk.pc
@ONLY)

install(
    FILES ${CMAKE_CURRENT_BINARY_DIR}/volk.pc
    DESTINATION lib${LIB_SUFFIX}/pkgconfig
    COMPONENT "volk_devel"
)

########################################################################
# Install all headers in the include directories
########################################################################
install(
    DIRECTORY ${CMAKE_SOURCE_DIR}/include/volk
    DESTINATION include COMPONENT "volk_devel"
    FILES_MATCHING PATTERN "*.h"
)

install(FILES
    ${CMAKE_BINARY_DIR}/include/volk/volk.h
    ${CMAKE_BINARY_DIR}/include/volk/volk_cpu.h
    ${CMAKE_BINARY_DIR}/include/volk/volk_config_fixed.h
    ${CMAKE_BINARY_DIR}/include/volk/volk_typedefs.h
    DESTINATION include/volk
    COMPONENT "volk_devel"
)

########################################################################
# Setup the library
########################################################################
add_subdirectory(lib)

########################################################################
# And the utility apps
########################################################################
add_subdirectory(apps)

########################################################################
# Print summary
########################################################################
message(STATUS "Using install prefix: ${CMAKE_INSTALL_PREFIX}")