CMAKE_MINIMUM_REQUIRED(VERSION 3.16)
PROJECT(ARTIS_STAR CXX C)
ENABLE_TESTING()

SET(CMAKE_CXX_STANDARD 17)
SET(CMAKE_CXX_STANDARD_REQUIRED ON)

SET(ARTIS_MAJOR 1)
SET(ARTIS_MINOR 0)
SET(ARTIS_PATCH 0)
SET(ARTIS_EXTRA "")
SET(ARTIS_VERSION "${ARTIS_MAJOR}.${ARTIS_MINOR}.${ARTIS_PATCH}")
SET(ARTIS_VERSION_SHORT "${ARTIS_MAJOR}.${ARTIS_MINOR}")
SET(ARTIS_NAME "artis-star")
SET(ARTIS_NAME_VERSION "${ARTIS_NAME}-${ARTIS_VERSION}")
SET(ARTIS_LOCALE_NAME "${ARTIS_NAME}-${ARTIS_MAJOR}-${ARTIS_MINOR}")
IF ("${ARTIS_EXTRA}" STREQUAL "")
    SET(ARTIS_COMPLETE "${ARTIS_MAJOR}.${ARTIS_MINOR}.${ARTIS_PATCH}")
ELSE ("${ARTIS_EXTRA}" STREQUAL "")
    SET(ARTIS_COMPLETE "${ARTIS_MAJOR}.${ARTIS_MINOR}.${ARTIS_PATCH}-${ARTIS_EXTRA}")
ENDIF ("${ARTIS_EXTRA}" STREQUAL "")
SET(ARTIS_NAME_COMPLETE "${ARTIS_NAME}-${ARTIS_COMPLETE}")

#
# Installation variables
#

SET(ARTIS_LIBRARY_DIRS "lib/artis-star-${ARTIS_VERSION_SHORT}")
SET(ARTIS_INCLUDE_DIRS "include/artis-star-${ARTIS_VERSION_SHORT}/artis-star")
SET(ARTIS_INCLUDE_DIR "include/artis-star-${ARTIS_VERSION_SHORT}")
SET(ARTIS_MANPAGE_PATH "share/man/man1")
SET(ARTIS_SHARE_DIRS "share/artis-star-${ARTIS_VERSION_SHORT}")

#
# Append the library version information to the library target
# properties.
#

SET(ARTIS_LIBRARY_PROPERTIES VERSION 0)
SET(ARTIS_APP_PROPERTIES SOVERSION "${ARTIS_MAJOR}.${ARTIS_MINOR}"
        VERSION "${ARTIS_MAJOR}.${ARTIS_MINOR}")

#
# Debug mode
#

IF (CMAKE_COMPILER_IS_GNUCC AND CMAKE_COMPILER_IS_GNUCXX)
    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra")
    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -std=c++17 -pthread")
    IF (UNIX)
        SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic")
        SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic")
    ENDIF (UNIX)
ENDIF (CMAKE_COMPILER_IS_GNUCC AND CMAKE_COMPILER_IS_GNUCXX)

if (CMAKE_BUILD_TYPE STREQUAL "")
    SET(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING "Choose the type of build" FORCE)
endif ()

#
# Modules
#

INCLUDE(CheckIncludeFileCXX)
INCLUDE(CheckIncludeFile)
INCLUDE(CheckLibraryExists)
INCLUDE(CMakeDetermineCCompiler)

#
# Boost libraries
#

set(Boost_USE_STATIC_LIBS OFF)
set(Boost_USE_MULTITHREADED ON)
set(Boost_USE_STATIC_RUNTIME OFF)

find_package(Boost 1.71 COMPONENTS mpi serialization unit_test_framework)

#
# Generate the config.h
#

CHECK_INCLUDE_FILE_CXX(cxxabi.h ARTIS_HAVE_GCC_ABI_DEMANGLE)
CHECK_INCLUDE_FILE_CXX(execinfo.h ARTIS_HAVE_EXECINFO)
CHECK_INCLUDE_FILE_CXX(signal.h ARTIS_HAVE_SIGNAL)
INCLUDE_DIRECTORIES(${ARTIS_STAR_BINARY_DIR})

#
# Generate the artis.pc pkg-config file.
#

SET(ARTIS_PKGCONFIG_PREFIXPATH "${CMAKE_INSTALL_PREFIX}")
SET(ARTIS_PKGCONFIG_BOOSTINCLUDE_DIRS "${Boost_INCLUDE_DIRS}")
SET(ARTIS_PKGCONFIG_LIBDIR "lib")

CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/src/artis-star.pc.in
        ${ARTIS_STAR_BINARY_DIR}/artis-star-${ARTIS_VERSION_SHORT}.pc @ONLY)
INSTALL(FILES ${ARTIS_STAR_BINARY_DIR}/artis-star-${ARTIS_VERSION_SHORT}.pc
        DESTINATION lib/pkgconfig)

#
# Install the README
#

IF (UNIX)
    INSTALL(FILES "README" DESTINATION "${ARTIS_SHARE_DIRS}")
    INSTALL(FILES "COPYING" DESTINATION "${ARTIS_SHARE_DIRS}")
ELSE (UNIX)
    INSTALL(FILES "README" DESTINATION "${ARTIS_SHARE_DIRS}" RENAME "Readme.txt")
    INSTALL(FILES "COPYING" DESTINATION "${ARTIS_SHARE_DIRS}" RENAME "CopyRight.txt")
ENDIF (UNIX)

#
# Add sources for a target
# add_sources(<target> <source1> [<source2> ...])
#
function(ADD_SOURCES target)
    get_property(prop_defined GLOBAL PROPERTY ${target}_SRCS DEFINED)
    if(NOT prop_defined)
        define_property(GLOBAL PROPERTY ${target}_SRCS
                BRIEF_DOCS "Sources for the ${target} target"
                FULL_DOCS "List of source files for the ${target} target")
    endif()

    set(SRCS)
    foreach(src ${ARGN})
        if(NOT IS_ABSOLUTE "${src}")
            get_filename_component(src "${src}" ABSOLUTE)
        endif()
        list(APPEND SRCS "${src}")
    endforeach()
    set_property(GLOBAL APPEND PROPERTY "${target}_SRCS" "${SRCS}")
endfunction()

#
# Browse the src subdirectory
#

ADD_SUBDIRECTORY(src)
ADD_SUBDIRECTORY(tests)

#
# Status
#

MESSAGE(STATUS "- - - -")
MESSAGE(STATUS "${ARTIS_NAME_COMPLETE} configured successfully")
MESSAGE(STATUS "Using ${CMAKE_INSTALL_PREFIX} for installation")
MESSAGE(STATUS "Build type ${CMAKE_BUILD_TYPE}")
IF (ARTIS_HAVE_GCC_ABI_DEMANGLE)
    MESSAGE(STATUS "Build with GCC ABI Demangle...: yes")
ENDIF (ARTIS_HAVE_GCC_ABI_DEMANGLE)
IF (ARTIS_HAVE_EXECINFO)
    MESSAGE(STATUS "Build with execinfo.h.........: yes")
ENDIF (ARTIS_HAVE_EXECINFO)
IF (Boost_FOUND)
    MESSAGE(STATUS "Build with boost..............: yes")
ENDIF (Boost_FOUND)