# Copyright 2011,2012,2014,2016,2018 Free Software Foundation, Inc.
#
# This file was generated by gr_modtool, a tool from the GNU Radio framework
# This file is a part of gr-funcube
#
# SPDX-License-Identifier: GPL-3.0-or-later
#

########################################################################
# Project setup
########################################################################
cmake_minimum_required(VERSION 3.8)
project(gr-funcube CXX C)
enable_testing()

# Install to PyBOMBS target prefix if defined
if(DEFINED ENV{PYBOMBS_PREFIX})
    set(CMAKE_INSTALL_PREFIX $ENV{PYBOMBS_PREFIX})
    message(STATUS "PyBOMBS installed GNU Radio. Setting CMAKE_INSTALL_PREFIX to $ENV{PYBOMBS_PREFIX}")
endif()

# Select the release build type by default to get optimization flags
if(NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE "Release")
   message(STATUS "Build type not specified: defaulting to release.")
endif(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING "")

# Make sure our local CMake Modules path comes first
list(INSERT CMAKE_MODULE_PATH 0 ${CMAKE_SOURCE_DIR}/cmake/Modules)

# Set the version information here
set(VERSION_MAJOR 3)
set(VERSION_API   10)
set(VERSION_ABI   0)
set(VERSION_PATCH 0)

#find required gnuradio installation
find_package(Gnuradio "3.10" REQUIRED audio blocks)
include(GrVersion)

#Set minimum version requirements
include(GrMinReq)

# Enable generation of compile_commands.json for code completion engines
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

########################################################################
# Compiler settings
########################################################################

include(GrCompilerSettings)

# Record Compiler Info for record
STRING(TOUPPER ${CMAKE_BUILD_TYPE} GRCBTU)
SET(COMPILER_INFO "")
IF(MSVC)
    IF(MSVC_VERSION LESS "${MSVC_MIN_VERSION}")
        MESSAGE(FATAL_ERROR "MSVC Versions < minimum version ${MSVC_MIN_VERSION}")
    ENDIF()
    SET(cmake_c_compiler_version ${MSVC_VERSION})
    SET(cmake_cxx_compiler_version ${MSVC_VERSION})
ELSE()
    execute_process(COMMAND ${CMAKE_C_COMPILER} --version
            OUTPUT_VARIABLE cmake_c_compiler_version)
    execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version
            OUTPUT_VARIABLE cmake_cxx_compiler_version)
ENDIF(MSVC)
SET(COMPILER_INFO "${CMAKE_C_COMPILER}:::${CMAKE_C_FLAGS_${GRCBTU}} ${CMAKE_C_FLAGS}\n${CMAKE_CXX_COMPILER}:::${CMAKE_CXX_FLAGS_${GRCBTU}} ${CMAKE_CXX_FLAGS}\n" )

# Convert to a C string to compile and display properly
string(STRIP "${cmake_c_compiler_version}" cmake_c_compiler_version)
string(STRIP "${cmake_cxx_compiler_version}" cmake_cxx_compiler_version)
string(STRIP ${COMPILER_INFO} COMPILER_INFO)
MESSAGE(STATUS "Compiler Version: ${cmake_c_compiler_version}")
MESSAGE(STATUS "Compiler Flags: ${COMPILER_INFO}")
string(REPLACE "\n" " \\n" cmake_c_compiler_version ${cmake_c_compiler_version})
string(REPLACE "\n" " \\n" cmake_cxx_compiler_version ${cmake_cxx_compiler_version})
string(REPLACE "\n" " \\n" COMPILER_INFO ${COMPILER_INFO})

########################################################################
# Find funcube dependencies
########################################################################
if( ${CMAKE_SYSTEM_NAME} MATCHES "Linux")
    find_package(USB)
    if(NOT LIBUSB_FOUND)
        message(FATAL_ERROR "libusb required to compile funcube modules")
    else()
        message(STATUS "Using libusb: ${LIBUSB_LIBRARIES} ")
    endif()
    find_package(HIDAPI )
    if(NOT LIBHIDAPI_FOUND)
        message(FATAL_ERROR "hidapi libs required to compile the funcube modules")
    else()
        message(STATUS "Using Hidapi: ${LIBHIDAPI_LIBRARIES} ")
    endif()
endif()

########################################################################
# Install directories
########################################################################

include(GrPlatform) #define LIB_SUFFIX

if(NOT CMAKE_MODULES_DIR)
  set(CMAKE_MODULES_DIR lib${LIB_SUFFIX}/cmake)
endif(NOT CMAKE_MODULES_DIR)

set(GR_INCLUDE_DIR      include/funcube)
set(GR_CMAKE_DIR        ${CMAKE_MODULES_DIR}/funcube)
set(GR_PKG_DATA_DIR     ${GR_DATA_DIR}/${CMAKE_PROJECT_NAME})
set(GR_PKG_DOC_DIR      ${GR_DOC_DIR}/${CMAKE_PROJECT_NAME})
set(GR_PKG_CONF_DIR     ${GR_CONF_DIR}/${CMAKE_PROJECT_NAME}/conf.d)
set(GR_PKG_LIBEXEC_DIR  ${GR_LIBEXEC_DIR}/${CMAKE_PROJECT_NAME})

########################################################################
# On Apple only, set install name and use rpath correctly, if not already set
########################################################################
if(APPLE)
    if(NOT CMAKE_INSTALL_NAME_DIR)
        set(CMAKE_INSTALL_NAME_DIR
            ${CMAKE_INSTALL_PREFIX}/${GR_LIBRARY_DIR} CACHE
            PATH "Library Install Name Destination Directory" FORCE)
    endif(NOT CMAKE_INSTALL_NAME_DIR)
    if(NOT CMAKE_INSTALL_RPATH)
        set(CMAKE_INSTALL_RPATH
            ${CMAKE_INSTALL_PREFIX}/${GR_LIBRARY_DIR} CACHE
            PATH "Library Install RPath" FORCE)
    endif(NOT CMAKE_INSTALL_RPATH)
    if(NOT CMAKE_BUILD_WITH_INSTALL_RPATH)
        set(CMAKE_BUILD_WITH_INSTALL_RPATH ON CACHE
            BOOL "Do Build Using Library Install RPath" FORCE)
    endif(NOT CMAKE_BUILD_WITH_INSTALL_RPATH)
endif(APPLE)

########################################################################
# Find gnuradio build dependencies
########################################################################
find_package(Doxygen)

########################################################################
# PyBind11 Related
########################################################################

find_package(pybind11 REQUIRED)
execute_process(
    COMMAND "${PYTHON_EXECUTABLE}" -c
    "try:\n import numpy\n import os\n inc_path = numpy.get_include()\n if os.path.exists(os.path.join(inc_path, 'numpy', 'arrayobject.h')):\n  print(inc_path, end='')\nexcept:\n pass"
    OUTPUT_VARIABLE PYTHON_NUMPY_INCLUDE_DIR)

########################################################################
# Setup doxygen option
########################################################################
if(DOXYGEN_FOUND)
    option(ENABLE_DOXYGEN "Build docs using Doxygen" ON)
else(DOXYGEN_FOUND)
    option(ENABLE_DOXYGEN "Build docs using Doxygen" OFF)
endif(DOXYGEN_FOUND)

########################################################################
# Create uninstall target
########################################################################
configure_file(
    ${CMAKE_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in
    ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
@ONLY)

add_custom_target(uninstall
    ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
    )

########################################################################
# Add subdirectories
########################################################################
add_subdirectory(include/funcube)
add_subdirectory(lib)
add_subdirectory(apps)
add_subdirectory(docs)
add_subdirectory(python)
add_subdirectory(grc)

########################################################################
# Install cmake search helper for this library
########################################################################

install(FILES cmake/Modules/funcubeConfig.cmake
    DESTINATION ${CMAKE_MODULES_DIR}/funcube
)
