# Copyright (C) 2012-2014  (see AUTHORS file for a list of contributors)
#
# This file is part of GNSS-SDR.
#
# GNSS-SDR 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.
#
# GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
#


if(DEFINED __INCLUDED_GNSS_SDR_PACKAGE_CMAKE)
    return()
endif()
set( __INCLUDED_GNSS_SDR_PACKAGE_CMAKE TRUE)


#set the cpack generator based on the platform type
if(CPACK_GENERATOR)
    #already set by user
elseif(APPLE)
    set(PACKAGE_GENERATOR "TGZ")
    set(PACKAGE_SOURCE_GENERATOR "TGZ;ZIP")
elseif(UNIX)
    if(${LINUX_DISTRIBUTION} MATCHES "Debian" OR ${LINUX_DISTRIBUTION} MATCHES "Ubuntu")
        set (PACKAGE_GENERATOR "DEB")
    endif(${LINUX_DISTRIBUTION} MATCHES "Debian" OR ${LINUX_DISTRIBUTION} MATCHES "Ubuntu")
    if(${LINUX_DISTRIBUTION} MATCHES "Red Hat" OR
${LINUX_DISTRIBUTION} MATCHES "Fedora")
        set (PACKAGE_GENERATOR "DEB")
    endif(${LINUX_DISTRIBUTION} MATCHES "Red Hat" OR ${LINUX_DISTRIBUTION} MATCHES "Fedora")
    set (PACKAGE_SOURCE_GENERATOR "TGZ;ZIP")
else()
    set(PACKAGE_GENERATOR "TGZ")
    set(PACKAGE_SOURCE_GENERATOR "TGZ")
endif()

# used package generators
set (CPACK_GENERATOR "${PACKAGE_GENERATOR}" CACHE STRING "List of binary package generators (CPack).")
set (CPACK_SOURCE_GENERATOR "${PACKAGE_SOURCE_GENERATOR}" CACHE STRING "List of source package generators (CPack).")


########################################################################
# Setup CPack
########################################################################
set(CPACK_PACKAGE_DESCRIPTION         "An Open Source GNSS Software Defined Receiver")
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "GNSS-SDR is an open source GNSS Software Defined Receiver written in C++. More info at http://gnss-sdr.org" )
set(CPACK_PACKAGE_VENDOR              "Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)")
set(CPACK_PACKAGE_NAME                "gnss-sdr")
set(CPACK_PACKAGE_VERSION             "${VERSION}")
set(CPACK_PACKAGE_CONTACT             "Carles Fernandez-Prades <carles.fernandez@cttc.cat>")
set(CPACK_PACKAGE_ICON                "${CMAKE_SOURCE_DIR}/docs/doxygen/images/gnss-sdr_logo_round.png")
set(CPACK_PACKAGE_VERSION_MAJOR       "${VERSION_INFO_MAJOR_VERSION}")
set(CPACK_PACKAGE_VERSION_MINOR       "${VERSION_INFO_API_COMPAT}")
set(CPACK_PACKAGE_VERSION_PATCH       "${VERSION_INFO_MINOR_VERSION}")
set(CPACK_RESOURCE_FILE_LICENSE       "${CMAKE_SOURCE_DIR}/COPYING")
set(CPACK_RESOURCE_FILE_README        "${CMAKE_SOURCE_DIR}/README.md")
set(CPACK_RESOURCE_FILE_WELCOME       "${CMAKE_SOURCE_DIR}/README.md")
set(CPACK_SET_DESTDIR                 "ON")

# Debian-specific settings
set(CPACK_DEBIAN_PACKAGE_SECTION      "science")
set(CPACK_DEBIAN_PACKAGE_PRIORITY     "optional")
set(CPACK_DEBIAN_PACKAGE_DEPENDS      "libboost-dev (>= 1.45), libstdc++6 (>= 4.7), libc6 (>= 2.18), gnuradio (>= 3.7), libarmadillo-dev (>= 1:4.400.2), liblapack-dev (>= 3.5), libopenblas-dev  (>= 0.2), gfortran (>= 1:4.7), libssl-dev (>= 1.0), libgflags-dev (>= 2.0)")


# system/architecture
if (APPLE)
    set (CPACK_PACKAGE_ARCHITECTURE darwin)
else(APPLE)
    string (TOLOWER "${CMAKE_SYSTEM_NAME}" CPACK_SYSTEM_NAME)
    if(CMAKE_CXX_FLAGS MATCHES "-m32")
        set (CPACK_PACKAGE_ARCHITECTURE i386)
    else(CMAKE_CXX_FLAGS MATCHES "-m32")
        execute_process (
               COMMAND dpkg --print-architecture
               RESULT_VARIABLE RV
               OUTPUT_VARIABLE CPACK_PACKAGE_ARCHITECTURE
               )
        if(RV EQUAL 0)
            string (STRIP "${CPACK_PACKAGE_ARCHITECTURE}" CPACK_PACKAGE_ARCHITECTURE)
        else(RV EQUAL 0)
            execute_process (COMMAND uname -m OUTPUT_VARIABLE CPACK_PACKAGE_ARCHITECTURE)
            if(CPACK_PACKAGE_ARCHITECTURE MATCHES "x86_64")
                set (CPACK_PACKAGE_ARCHITECTURE amd64)
            endif(CPACK_PACKAGE_ARCHITECTURE MATCHES "x86_64")
            if(CPACK_PACKAGE_ARCHITECTURE MATCHES "i386")
                set (CPACK_PACKAGE_ARCHITECTURE i386)
            endif(CPACK_PACKAGE_ARCHITECTURE MATCHES "i386")
        endif(RV EQUAL 0)
    endif(CMAKE_CXX_FLAGS MATCHES "-m32")
endif(APPLE)


if(NOT CPACK_PACKAGE_ARCHITECTURE)
# Code from https://qt.gitorious.org/qt/qtbase/source/src/corelib/global/qprocessordetection.h
set(archdetect_c_code "
#if defined(__arm__) || defined(__TARGET_ARCH_ARM) || defined(_M_ARM) || defined(__arm64__)
    #if defined(__arm64__)
        #error cmake_ARCH arm64
    #endif
   
    #if defined(__arm__) || defined(__TARGET_ARCH_ARM)
        #if defined(__ARM_ARCH_8__) \\
        || defined(__ARM_ARCH_8A__) \\
        || defined(__ARM_ARCH_8R__) \\
        || (defined(__TARGET_ARCH_ARM) && __TARGET_ARCH_ARM-0 >= 8)
            #error cmake_ARCH armv8   
        #elif defined(__ARM_ARCH_7__) \\
        || defined(__ARM_ARCH_7A__) \\
        || defined(__ARM_ARCH_7R__) \\
        || defined(__ARM_ARCH_7M__) \\
        || (defined(__TARGET_ARCH_ARM) && __TARGET_ARCH_ARM-0 >= 7)
            #error cmake_ARCH armv7
        #elif defined(__ARM_ARCH_6__) \\
        || defined(__ARM_ARCH_6J__) \\
        || defined(__ARM_ARCH_6T2__) \\
        || defined(__ARM_ARCH_6Z__) \\
        || defined(__ARM_ARCH_6K__) \\
        || defined(__ARM_ARCH_6ZK__) \\
        || defined(__ARM_ARCH_6M__) \\
        || (defined(__TARGET_ARCH_ARM) && __TARGET_ARCH_ARM-0 >= 6)
            #error cmake_ARCH armv6
        #elif defined(__ARM_ARCH_5TEJ__) \\
        || (defined(__TARGET_ARCH_ARM) && __TARGET_ARCH_ARM-0 >= 5)
            #error cmake_ARCH armv5
        #else
            #error cmake_ARCH arm
        #endif
#elif defined(__i386) || defined(__i386__) || defined(_M_IX86)
    #error cmake_ARCH i386
#elif defined(__x86_64) || defined(__x86_64__) || defined(__amd64) || defined(_M_X64)
    #error cmake_ARCH x86_64
#elif defined(__ia64) || defined(__ia64__) || defined(_M_IA64)
    #error cmake_ARCH ia64
#elif defined(__ppc__) || defined(__ppc) || defined(__powerpc__) \\
    || defined(_ARCH_COM) || defined(_ARCH_PWR) || defined(_ARCH_PPC) \\
    || defined(_M_MPPC) || defined(_M_PPC)
    #if defined(__ppc64__) || defined(__powerpc64__) || defined(__64BIT__)
        #error cmake_ARCH ppc64
    #else
        #error cmake_ARCH ppc
    #endif
#endif
#error cmake_ARCH unknown
")



function(target_architecture output_var)
    if(APPLE AND CMAKE_OSX_ARCHITECTURES)
        # On OS X we use CMAKE_OSX_ARCHITECTURES *if* it was set
        # On OS X 10.6+ the default is x86_64 if the CPU supports it, i386 otherwise.
        foreach(osx_arch ${CMAKE_OSX_ARCHITECTURES})
            if("${osx_arch}" STREQUAL "i386")
                set(osx_arch_i386 TRUE)
            elseif("${osx_arch}" STREQUAL "x86_64")
                set(osx_arch_x86_64 TRUE)
            else()
                message(FATAL_ERROR "Invalid OS X arch name: ${osx_arch}")
            endif()
        endforeach()
        # Now add all the architectures in our normalized order
        if(osx_arch_i386)
            list(APPEND ARCH i386)
        endif()
        if(osx_arch_x86_64)
            list(APPEND ARCH x86_64)
        endif()
    else()
        file(WRITE "${CMAKE_BINARY_DIR}/arch.c" "${archdetect_c_code}")
        enable_language(C)
        # Detect the architecture in a rather creative way...
        # This compiles a small C program which is a series of ifdefs that selects a
        # particular #error preprocessor directive whose message string contains the
        # target architecture. The program will always fail to compile (both because
        # file is not a valid C program, and obviously because of the presence of the
        # #error preprocessor directives... but by exploiting the preprocessor in this
        # way, we can detect the correct target architecture even when cross-compiling,
        # since the program itself never needs to be run (only the compiler/preprocessor)
        try_run(
                run_result_unused
                compile_result_unused
                "${CMAKE_BINARY_DIR}"
                "${CMAKE_BINARY_DIR}/arch.c"
                COMPILE_OUTPUT_VARIABLE ARCH
                CMAKE_FLAGS CMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}
               )
        # Parse the architecture name from the compiler output
        string(REGEX MATCH "cmake_ARCH ([a-zA-Z0-9_]+)" ARCH "${ARCH}")
        # Get rid of the value marker leaving just the architecture name
        string(REPLACE "cmake_ARCH " "" ARCH "${ARCH}")
        # If we are compiling with an unknown architecture this variable should
        # already be set to "unknown" but in the case that it's empty (i.e. due
        # to a typo in the code), then set it to unknown
        if (NOT ARCH)
            set(ARCH unknown)
        endif()
    endif()
set(${output_var} "${ARCH}" PARENT_SCOPE)
endfunction()

# Set target architectures
target_architecture(CMAKE_TARGET_ARCHITECTURES)
endif(NOT CPACK_PACKAGE_ARCHITECTURE)

if(APPLE)
list(LENGTH CMAKE_TARGET_ARCHITECTURES cmake_target_arch_len)
    if(NOT "${cmake_target_arch_len}" STREQUAL "1")
        set(CMAKE_TARGET_ARCHITECTURE_UNIVERSAL TRUE)
        set(CMAKE_TARGET_ARCHITECTURE_CODE "universal")
    else()
        set(CMAKE_TARGET_ARCHITECTURE_UNIVERSAL FALSE)
        set(CMAKE_TARGET_ARCHITECTURE_CODE "${CMAKE_TARGET_ARCHITECTURES}")
    endif()
endif(APPLE)

set(CPACK_STRIP_FILES "${CMAKE_INSTALL_PREFIX}/bin/gnss-sdr;${CMAKE_INSTALL_PREFIX}/bin/volk_gnsssdr_profile")

# source package settings
#set (CPACK_SOURCE_TOPLEVEL_TAG "source")
set (CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
set (CPACK_SOURCE_IGNORE_FILES "/\\\\.git/;/\\\\data/;/\\\\install/;/\\\\thirdparty/;/\\\\docs/html/;/\\\\docs/latex;\\\\.pdf;\\\\.gitignore;\\\\.project$;\\\\.DS_Store;\\\\.swp$;\\\\.#;/#;\\\\.*~;cscope\\\\.*;/[Bb]uild[.+-_a-zA-Z0-9]*/")

# default binary package settings
set (CPACK_INCLUDE_TOPLEVEL_DIRECTORY TRUE)
set (CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}_${CPACK_PACKAGE_VERSION}")
if (CPACK_PACKAGE_ARCHITECTURE)
    set (CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_FILE_NAME}_${CPACK_PACKAGE_ARCHITECTURE}")
endif ()


include(CPack)