cmake_minimum_required(VERSION 3.5)
include (CheckFunctionExists)
include (CheckSymbolExists)

check_function_exists(mmap HAVE_MMAP)
if(HAVE_MMAP)
    check_symbol_exists(MAP_ANONYMOUS sys/mman.h HAVE_MAP_ANONYMOUS)
    if(NOT HAVE_MAP_ANONYMOUS)
        check_symbol_exists(MAP_ANON sys/mman.h HAVE_MAP_ANON)
    endif()
    check_function_exists(mremap HAVE_MREMAP)
endif()
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config.h.in ${CMAKE_CURRENT_BINARY_DIR}/config.h)

set(CMAKE_C_FLAGS "-Wall -Wextra -pedantic -Werror -std=c99")

include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})

add_library (allocation src/allocation.c)

add_library (coroutine src/coroutine.c)
target_link_libraries (coroutine LINK_PUBLIC allocation)

add_library (default_allocator src/default_allocator.c)
set(ALLOCATORS default_allocator)

if(HAVE_MMAP)
    add_library (mmap_allocator src/mmap_allocator.c)
    set(ALLOCATORS ${ALLOCATORS} mmap_allocator)
endif()

add_executable (test-coroutine test/coroutine.c)
target_link_libraries (test-coroutine LINK_PUBLIC coroutine ${ALLOCATORS})