CMakeLists.txt

#-----------------------------------------------------------------------------
#
#  CMake Config
#
#  OSM GIS Export
#
#-----------------------------------------------------------------------------

cmake_minimum_required(VERSION 2.8 FATAL_ERROR)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")


#-----------------------------------------------------------------------------
#
#  Project version
#
#-----------------------------------------------------------------------------

# It is important that this setting remains before the "project" call.
set(CMAKE_CONFIGURATION_TYPES "Debug;Release;RelWithDebInfo;MinSizeRel;Dev"
    CACHE STRING
    "List of available configuration types"
    FORCE)

project(osm-gis-export)

set(OSM_GIS_EXPORT_VERSION_MAJOR 0)
set(OSM_GIS_EXPORT_VERSION_MINOR 0)
set(OSM_GIS_EXPORT_VERSION_PATCH 1)

set(OSM_GIS_EXPORT_VERSION
    ${OSM_GIS_EXPORT_VERSION_MAJOR}.${OSM_GIS_EXPORT_VERSION_MINOR}.${OSM_GIS_EXPORT_VERSION_PATCH})

set(AUTHOR "Jochen Topf <jochen@topf.org>")

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)


#-----------------------------------------------------------------------------
#
#  Find external dependencies
#
#-----------------------------------------------------------------------------

find_package(Boost 1.55.0 REQUIRED COMPONENTS program_options)
include_directories(SYSTEM ${Boost_INCLUDE_DIRS})

find_package(Osmium 2.13.1 REQUIRED COMPONENTS io ogr proj)
include_directories(SYSTEM ${OSMIUM_INCLUDE_DIRS})

if(MSVC)
    find_path(GETOPT_INCLUDE_DIR getopt.h)
    find_library(GETOPT_LIBRARY NAMES wingetopt)
    if(GETOPT_INCLUDE_DIR AND GETOPT_LIBRARY)
        include_directories(SYSTEM ${GETOPT_INCLUDE_DIR})
        list(APPEND OSMIUM_LIBRARIES ${GETOPT_LIBRARY})
    else()
        set(GETOPT_MISSING 1)
    endif()
endif()

#-----------------------------------------------------------------------------
#
#  Optional "cppcheck" target that checks C++ code
#
#-----------------------------------------------------------------------------
message(STATUS "Looking for cppcheck")
find_program(CPPCHECK cppcheck)

if(CPPCHECK)
    message(STATUS "Looking for cppcheck - found")
    set(CPPCHECK_OPTIONS --enable=all)

    # cpp doesn't find system includes for some reason, suppress that report
    set(CPPCHECK_OPTIONS ${CPPCHECK_OPTIONS} --suppress=missingIncludeSystem)

    add_custom_target(cppcheck ${CPPCHECK} --std=c++11 ${CPPCHECK_OPTIONS} ${CMAKE_SOURCE_DIR}/src/*pp)
else()
    message(STATUS "Looking for cppcheck - not found")
    message(STATUS "  Build target 'cppcheck' will not be available")
endif()


#-----------------------------------------------------------------------------
#
#  Optional "clang-tidy" target
#
#-----------------------------------------------------------------------------
message(STATUS "Looking for clang-tidy")
find_program(CLANG_TIDY NAMES clang-tidy clang-tidy-12 clang-tidy-11 clang-tidy-10 clang-tidy-9 clang-tidy-8)

if(CLANG_TIDY)
    message(STATUS "Looking for clang-tidy - found ${CLANG_TIDY}")

    add_custom_target(clang-tidy
        ${CLANG_TIDY}
        -p ${CMAKE_BINARY_DIR}
        osm_gis_export_overview.cpp
        osmium_toogr.cpp
        osmium_toogr2.cpp
        osmium_toogr2_exp.cpp
        WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}/src"
    )
else()
    message(STATUS "Looking for clang-tidy - not found")
    message(STATUS "  Build target 'clang-tidy' will not be available.")
endif()


#-----------------------------------------------------------------------------
#
#  Optional "iwyu" target to check headers
#  https://include-what-you-use.org/
#
#-----------------------------------------------------------------------------
find_program(IWYU_TOOL iwyu_tool.py)

if(IWYU_TOOL)
    message(STATUS "Looking for iwyu_tool.py - found")
    add_custom_target(iwyu ${IWYU_TOOL} -p ${CMAKE_BINARY_DIR})
else()
    message(STATUS "Looking for iwyu_tool.py - not found")
    message(STATUS "  Make target 'iwyu' will not be available")
endif()


#-----------------------------------------------------------------------------
#
#  Decide which C++ version to use (Minimum/default: C++11).
#
#-----------------------------------------------------------------------------
if(NOT MSVC)
    if(NOT USE_CPP_VERSION)
        set(USE_CPP_VERSION c++11)
    endif()
    message(STATUS "Use C++ version: ${USE_CPP_VERSION}")
    # following only available from cmake 2.8.12:
    #   add_compile_options(-std=${USE_CPP_VERSION})
    # so using this instead:
    add_definitions(-std=${USE_CPP_VERSION})
endif()


#-----------------------------------------------------------------------------
#
#  Compiler and Linker flags
#
#-----------------------------------------------------------------------------
if(MSVC)
    set(DEV_COMPILE_OPTIONS "/Ox")
    set(RWD_COMPILE_OPTIONS "/Ox /DNDEBUG")
else()
    set(DEV_COMPILE_OPTIONS "-O3 -g")
    set(RWD_COMPILE_OPTIONS "-O3 -g -DNDEBUG")
endif()

if(WIN32)
    add_definitions(-DWIN32 -D_WIN32 -DMSWIN32 -DBGDWIN32
                    -DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0600)
endif()

set(CMAKE_CXX_FLAGS_DEV "${DEV_COMPILE_OPTIONS}"
    CACHE STRING "Flags used by the compiler during developer builds."
    FORCE)

set(CMAKE_EXE_LINKER_FLAGS_DEV ""
    CACHE STRING "Flags used by the linker during developer builds."
    FORCE)
mark_as_advanced(
    CMAKE_CXX_FLAGS_DEV
    CMAKE_EXE_LINKER_FLAGS_DEV
)

set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${RWD_COMPILE_OPTIONS}"
    CACHE STRING "Flags used by the compiler during RELWITHDEBINFO builds."
    FORCE)


#-----------------------------------------------------------------------------
#
#  Build Type
#
#-----------------------------------------------------------------------------

# In 'Dev' mode: compile with very strict warnings and turn them into errors.
if(CMAKE_BUILD_TYPE STREQUAL "Dev")
    if(NOT MSVC)
        add_definitions(-Werror -fno-omit-frame-pointer)
    endif()
    add_definitions(${OSMIUM_WARNING_OPTIONS})
endif()

# Force RelWithDebInfo build type if none was given
if(CMAKE_BUILD_TYPE)
    set(build_type ${CMAKE_BUILD_TYPE})
else()
    set(build_type "RelWithDebInfo")
endif()

set(CMAKE_BUILD_TYPE ${build_type}
    CACHE STRING
    "Choose the type of build, options are: ${CMAKE_CONFIGURATION_TYPES}."
    FORCE)


#-----------------------------------------------------------------------------

add_definitions(${OSMIUM_WARNING_OPTIONS})

add_subdirectory(src)


#-----------------------------------------------------------------------------