CMakeLists.txt

CMAKE_MINIMUM_REQUIRED( VERSION 3.9)

PROJECT(EXCEPTCXX)

# Check if project is a standalone and not part of another project.
IF( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
	SET(EXCEPTCXX_PROJECT_ROOT TRUE)
ENDIF()

# Use GNUInstallDirs for Unix predefined directories
INCLUDE(GNUInstallDirs)

SET(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin CACHE INTERNAL "" FORCE)
SET(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib CACHE INTERNAL "" FORCE)

#-----------------------------------------------------------------------------
# Options

# Build shared/dynamic library option
OPTION(CXXEXCEPT_BUILD_SHARED_LIBS "Build package with shared libraries." ON)
OPTION(CXXEXCEPT_BUILD_WITH_EXTERNAL_PROJECT "Enable external project build." ON)

OPTION(CXXEXCEPT_BUILD_OPT_BUILD_PACKAGES "Set to ON to generate CPack configuration files and packaging targets" OFF)

IF(NOT CXXEXCEPT_BUILD_SHARED_LIBS)
	SET(CMAKE_EXE_LINKER_FLAGS "-static")
	MESSAGE(STATUS "Static libraries enabled.")
	SET(LINK_SEARCH_START_STATIC TRUE)
ELSE()
	MESSAGE(STATUS "Shared libraries enabled.")
ENDIF(NOT CXXEXCEPT_BUILD_SHARED_LIBS)

#
OPTION(CXXEXCEPT_BUILD_WITH_TEST "Enable Testing." OFF)
OPTION(CXXEXCEPT_BUILD_WITH_DOCS "Build documentation." OFF)


IF(EXCEPTCXX_PROJECT_ROOT)
	SET(CXXEXCEPT_BUILD_WITH_DOCS ON)
ENDIF()

# Set version of the project.
SET(CXXEXCEPT_VERSION_MAJOR 0)
SET(CXXEXCEPT_VERSION_MINOR 1)
SET(CXXEXCEPT_VERSION_REVISION 0)
SET(CXXEXCEPT_VERSION_STATE a)
SET(CXXEXCEPT_VERSION ${VERSION_MAJOR}.${VERSION_MINOR}${VERSION_STATE}${VERSION_REVISION} )
SET(CXXEXCEPT_PACKAGE_VERSION 0)
SET(CXXEXCEPT_PROJECT_VERSION "${CXXEXCEPT_VERSION}")

FIND_PACKAGE(Git QUIET)
IF(GIT_FOUND)
	MESSAGE(STATUS "git found: ${GIT_EXECUTABLE} -- ${GIT_VERSION_STRING}")
ENDIF()
IF(NOT CXXEXCEPT_IGNORE_GIT_HASH AND GIT_FOUND)
  # Get the current working branch
  EXECUTE_PROCESS(
	COMMAND git rev-parse --abbrev-ref HEAD
	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
	OUTPUT_VARIABLE GIT_BRANCH
	OUTPUT_STRIP_TRAILING_WHITESPACE
	ERROR_QUIET
  )

  # Get the latest abbreviated commit hash of the working branch
  EXECUTE_PROCESS(
	COMMAND git rev-parse --short=8 HEAD
	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
	OUTPUT_VARIABLE GIT_COMMIT_HASH
	OUTPUT_STRIP_TRAILING_WHITESPACE
	ERROR_QUIET
  )
  EXECUTE_PROCESS(
    COMMAND git describe --exact-match --tags 2> /dev/null || git rev-parse --short HEAD
    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
    OUTPUT_VARIABLE GIT_TAG
    OUTPUT_STRIP_TRAILING_WHITESPACE
    ERROR_QUIET
    )
ENDIF()

LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake-modules" )

SET(LIBCXXEXCEPT_COMPONENT "LIBCXXEXCEPT{VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_REVISION}")
SET(LIBCXXEXCEPT-DEV_COMPONENT "LIBCXXEXCEPT{VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_REVISION}-dev")

SET(CPACK_COMPONENTS_ALL ${LIBCXXEXCEPT_COMPONENT} ${LIBCXXEXCEPT-DEV_COMPONENT} )

#####################################
# Compiler toolchain
#####################################
IF(MSVC)
  OPTION( CXXEXCEPT_BUILD_INSTALL_PDB
	"Install MSVC debug files."
	ON
  )
  IF(NOT (MSVC_VERSION LESS 1900))
	# Multibyte character set is deprecated since at least MSVC2015 (possibly earlier)
	ADD_DEFINITIONS( -DUNICODE -D_UNICODE )
  ENDIF()
ENDIF()

# GCC compiler flag options.
IF((CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) AND NOT CMAKE_COMPILER_IS_MINGW)
	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}  -Wpedantic -Wextra  -Wall -Wno-attributes")

	IF (CMAKE_BUILD_TYPE STREQUAL "Release")
	ELSE()
		ADD_DEFINITIONS(-D_GLIBCXX_ASSERTIONS)
	ENDIF()

ELSEIF(MSVC)
	# Enable multi-core compilation with MSVC
	IF( "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" ) # clang-cl
		ADD_COMPILE_OPTIONS(/bigobj /W4)
	ELSE() # msvc
		ADD_COMPILE_OPTIONS(/MP /bigobj /W4)
	ENDIF()

ENDIF()



# Inlucde external resources.
IF(CXXEXCEPT_BUILD_WITH_EXTERNAL_PROJECT)
	ADD_SUBDIRECTORY(${CMAKE_CURRENT_SOURCE_DIR}/extern/backward-cpp)
ENDIF(CXXEXCEPT_BUILD_WITH_EXTERNAL_PROJECT)


############################################
# Exception Library Target.
############################################
SET(CXXEXCEPT_SOURCE_FILES
	${CMAKE_CURRENT_SOURCE_DIR}/cxxexcept/Exception.hpp
)

ADD_LIBRARY(cxxexcept INTERFACE)

# Required c++ features - use to determine what C++ version is required
TARGET_COMPILE_FEATURES(cxxexcept INTERFACE cxx_constexpr cxx_noexcept cxx_override
	cxx_sizeof_member cxx_static_assert cxx_decltype cxx_defaulted_functions cxx_relaxed_constexpr
	cxx_default_function_template_args)

TARGET_INCLUDE_DIRECTORIES (cxxexcept
	INTERFACE
    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/cxxexcept>
	$<INSTALL_INTERFACE:cxxexcept>
)
# Set predefined macro for version.
TARGET_COMPILE_DEFINITIONS(cxxexcept INTERFACE CXXE_VERSION="${CXXEXCEPT_PROJECT_VERSION}")
TARGET_LINK_LIBRARIES(cxxexcept INTERFACE backward dl fmt ${BACKWARD_LIBRARIES})

# # Install the header file and export the target
INSTALL(FILES ${PROJECT_SOURCE_DIR}/cxxexcept/Exception.hpp DESTINATION include)

IF (BUILD_SHARED_LIBS AND CMAKE_SIZEOF_VOID_P EQUAL 8)
	SET_PROPERTY(TARGET cxxexcept PROPERTY POSITION_INDEPENDENT_CODE ON)
	SET_PROPERTY(TARGET backward PROPERTY POSITION_INDEPENDENT_CODE ON)
ENDIF()

IF(CXXEXCEPT_BUILD_WITH_TEST)
	ENABLE_TESTING()
	ADD_SUBDIRECTORY(${CMAKE_CURRENT_SOURCE_DIR}/test)
ENDIF()

###############################
# Generate documentations.
###############################
IF(CXXEXCEPT_BUILD_WITH_DOCS)

ENDIF(CXXEXCEPT_BUILD_WITH_DOCS)


SET(CMAKE_INSTALL_FULL_INCLUDEDIR ${CMAKE_INSTALL_PREFIX}/${CXXEXCEPT_INCLUDE_INSTALL_DIR})
SET(CMAKE_INSTALL_FULL_LIBDIR ${CMAKE_INSTALL_PREFIX}/${CXXEXCEPT_LIB_INSTALL_DIR})
SET(CMAKE_INSTALL_FULL_BINDIR ${CMAKE_INSTALL_PREFIX}/${CXXEXCEPT_BIN_INSTALL_DIR})

#-----------------------------------------------------------------------------
# Create install packages for debian system.

IF(CMAKE_CPACK_COMMAND AND UNIX AND CXXEXCEPT_BUILD_OPT_BUILD_PACKAGES)
	SET(CPACK_GENERATOR "DEB")
	SET(CPACK_DEBIAN_PACKAGE_MAINTAINER "valdemar lindberg")

	# Packing information
	SET(CPACK_PACKAGE_NAME                    "cxxexcept${CXXEXCEPT_VERSION_MAJOR}.${CXXEXCEPT_VERSION_MINOR}")
	SET(CPACK_PACKAGE_CONTACT "" CACHE STRING "Package maintainer and PGP signer.")
	SET(CPACK_PACKAGE_VENDOR                  "https://github.com/voldien/cxxexcept")
	SET(CPACK_PACKAGE_DISPLAY_NAME            "CxxExcept ${VERSION}")
	SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY     " -  ${VERSION}")
	SET(CPACK_PACKAGE_VERSION                 "${CXXEXCEPT_VERSION}.${CXXEXCEPT_PACKAGE_VERSION}" )
	SET(CPACK_PACKAGE_VERSION_MAJOR           "${CXXEXCEPT_VERSION_MAJOR}")
	SET(CPACK_PACKAGE_VERSION_MINOR           "${CXXEXCEPT_VERSION_MINOR}")
	SET(CPACK_PACKAGE_VERSION_PATCH           "${CXXEXCEPT_VERSION_PATCH}")
	SET(CPACK_PACKAGE_INSTALL_DIRECTORY       "cxxexcept")
	SET(CPACK_RESOURCE_FILE_LICENSE           "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")

	#
	STRING(TOUPPER ${LIBCXXEXCEPT_COMPONENT}     "LIBCXXEXCEPT_COMPONENT_UPPER")
	STRING(TOUPPER ${LIBCXXEXCEPT-DEV_COMPONENT} "LIBCXXEXCEPT-DEV_COMPONENT_UPPER")

	#
	SET(CPACK_COMPOENTT_${LIBFRACORE_COMPONENT_UPPER}_DISPLAY_NAME "")
	SET(CPACK_COMPOENTT_${LIBFRACORE-DEV_COMPONENT_UPPER}_DISPLAY_NAME "")
	SET(CPACK_COMPONENT_${LIBFRACORE-DEV_COMPONENT_UPPER}_DEPENDS $    "{LIBCXXEXCEPT_COMPONENT}" )
	SET(CPACK_COMPOENTT_${LIBFRACORE-DEV_COMPONENT_UPPER}_DISPLAY_NAME "")
	SET(CPACK_COMPONENT_${LIBCXXEXCEPT_COMPONENT_UPPER}_DISPLAY_NAME     "libraries")
	SET(CPACK_COMPONENT_${LIBCXXEXCEPT-DEV_COMPONENT_UPPER}_DISPLAY_NAME "common headers and installs")
	SET(CPACK_COMPONENT_${LIBCXXEXCEPT-DEV_COMPONENT_UPPER}_DEPENDS $    "{LIBCXXEXCEPT_COMPONENT}" )
	SET(CPACK_COMPONENT_LIBCXXEXCEPT-DEV_DISPLAY_NAME                       "${CPACK_COMPONENT_${LIBCXXEXCEPT-DEV_COMPONENT}_DISPLAY_NAME}" )
	SET(CPACK_COMPONENT_LIBCXXEXCEPT-DEV_DEPENDS                            "${LIBCXXEXCEPT-DEV_COMPONENT}" )
	SET(CPACK_DEBIAN_BUILD_DEPENDS debhelper cmake zlib1g-dev pkg-config)

	# debian
	SET(CPACK_DEBIAN_PACKAGE_PRIORITY "optional")
	SET(CPACK_DEBIAN_CMAKE_OPTIONS    "")
	SET(CPACK_DEBIAN_PACKAGE_SECTION  "libs" )
	SET(CPACK_DEBIAN_PACKAGE_DEPENDS  "${CPACK_COMPONENTS_ALL} libfmt-dev")
	SET(CPACK_DEBIAN_PACKAGE_SUGGESTS)
	SET(cPACK_DEBIAN_PACKAGE_NAME     "cxxexcept")
	SET(CPACK_DEBIAN_PACKAGE_REMOVE_SOURCE_FILES build doc obj samples packaging utils)
	SET(CPACK_DEBIAN_PACKAGE_SOURCE_COPY svn export --force)
	SET(CPACK_DEBIAN_CHANGELOG)
	execute_process(COMMAND lsb_release -is
		OUTPUT_VARIABLE _lsb_distribution OUTPUT_STRIP_TRAILING_WHITESPACE
		RESULT_VARIABLE _lsb_release_failed)
	SET(CPACK_DEBIAN_DISTRIBUTION_NAME ${_lsb_distribution} CACHE STRING "Name of the distrubiton")
	STRING(TOLOWER ${CPACK_DEBIAN_DISTRIBUTION_NAME} CPACK_DEBIAN_DISTRIBUTION_NAME)
	IF( ${CPACK_DEBIAN_DISTRIBUTION_NAME} STREQUAL "ubuntu" )
		SET(CPACK_DEBIAN_DISTRIBUTION_RELEASES lucid maverick natty oneiric precise CACHE STRING "Release code-names of the distrubiton release")
	ENDIF()
	SET(DPUT_HOST "" CACHE STRING "PPA repository to upload the debian sources")

	INCLUDE(DebSourcePPA)
	INCLUDE(CPack)
ENDIF()

# Final verbose message status.
MESSAGE(STATUS "")
MESSAGE(STATUS "These are the configured paths:")
MESSAGE(STATUS "  PREFIX: ${CMAKE_INSTALL_PREFIX}")
MESSAGE(STATUS "  LIB_DIR: ${LIB_DIR}")
MESSAGE(STATUS "  RENDERING_DIR: ${PLUGIN_DIR}")
MESSAGE(STATUS "  BIN_DIR: ${BIN_DIR}")
MESSAGE(STATUS "  DATA_DIR: ${DATA_DIR}")
MESSAGE(STATUS "  MAN_DIR: ${MAN_DIR}")
MESSAGE(STATUS "  DOC_DIR: ${DOC_DIR}")
MESSAGE(STATUS "  ICON_DIR: ${ICON_DIR}")
MESSAGE(STATUS "  SVG_DIR: ${SVG_DIR}")
MESSAGE(STATUS "  MENU_DIR: ${MENU_DIR}")
MESSAGE(STATUS "")
MESSAGE(STATUS "Options:")
MESSAGE(STATUS "  LAYOUT: ${LAYOUT}")
MESSAGE(STATUS "")
MESSAGE(STATUS "Build type: ${CMAKE_BUILD_TYPE}")
MESSAGE(STATUS "Target bitness: ${CMAKE_SIZEOF_VOID_P}*8")
MESSAGE(STATUS "")