cmake_minimum_required(VERSION 3.9)

# Make sure the user doesn't play dirty with symlinks
get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" REALPATH)
get_filename_component(bindir "${CMAKE_BINARY_DIR}" REALPATH)

# Disallow in-source builds
if(${srcdir} STREQUAL ${bindir})
 message(FATAL_ERROR "In-source builds are not allowed."
 " Please create a directory and run cmake from there, passing the path"
 " to this source directory as the last argument. This process created"
 " the file `CMakeCache.txt' and the directory `CMakeFiles' in ${srcdir}."
 " Please remove them.")
endif()

project(odm CXX)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)

include_directories(include)
add_compile_options(-Wall)

# Dwarf-4 support check
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG(-gdwarf-4 COMPILER_SUPPORTS_DWARF4)
if(COMPILER_SUPPORTS_DWARF4 AND (CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo"))
 add_compile_options(-gdwarf-4)
endif()

add_subdirectory(src)