project('ish', 'c',

default_options: ['default_library=static', 'c_std=gnu11', 'warning_level=2'])

cc = meson.get_compiler('c')

if cc.get_id() == 'clang'

add_project_arguments('-Wimplicit-fallthrough', '-Wtautological-constant-in-range-compare', language: 'c')

if get_option('b_sanitize').split(',').contains('undefined')

add_project_arguments('-fno-sanitize=alignment', language: 'c')

log_on = get_option('log').split()

log_off = get_option('nolog').split()

foreach channel : log_on + log_off

if log_on.contains(channel)

add_project_arguments('-DDEBUG_' + channel + '=1', language: 'c')

else

add_project_arguments('-DDEBUG_' + channel + '=0', language: 'c')

endif

add_project_arguments('-DLOG_HANDLER_' + get_option('log_handler').to_upper() + '=1', language: 'c')

add_project_arguments('-DENGINE_' + get_option('engine').to_upper() + '=1', language: 'c')

if get_option('no_crlf')

add_project_arguments('-DNO_CRLF', language: 'c')

add_project_arguments('-Wno-switch', language: 'c')

includes = [include_directories('.')]

threads = dependency('threads')

librt = cc.find_library('rt', required: false)

libm = cc.find_library('m', required: false)

libdl = cc.find_library('dl', required: false)

sqlite3 = cc.find_library('sqlite3')

dependencies = [librt, libm, libdl, threads, sqlite3]

subdir('vdso') # ish depends on the vdso

offsets = custom_target('offsets',

output: 'cpu-offsets.h', input: 'asbestos/offsets.c', depfile: 'cpu-offsets.h.d',

command: [find_program('tools/staticdefine.sh'), '@OUTDIR@/compile_commands.json', '@INPUT@', '@OUTPUT@', '@DEPFILE@'])

emu_src = [

'emu/tlb.c',

'emu/fpu.c',

'emu/vec.c',

'emu/mmx.c',

'emu/float80.c',

]

if get_option('engine') == 'asbestos'

gadgets = 'asbestos/gadgets-' + host_machine.cpu_family()

emu_src += [

'asbestos/asbestos.c',

'asbestos/gen.c',

'asbestos/helpers.c',

gadgets+'/entry.S',

gadgets+'/memory.S',

gadgets+'/control.S',

gadgets+'/math.S',

gadgets+'/bits.S',

gadgets+'/string.S',

gadgets+'/misc.S',

offsets,

]

libish_emu = library('ish_emu', emu_src, include_directories: includes)

libfakefs = library('fakefs',

['fs/fake-db.c', 'fs/fake-migrate.c', 'fs/fake-rebuild.c'],

include_directories: includes,

dependencies: sqlite3)

subdir('deps')

if get_option('kernel') == 'ish'

src = [

'kernel/init.c',

'kernel/errno.c',

'kernel/calls.c',

'kernel/user.c',

'kernel/vdso.c', vdso,

'kernel/task.c',

'kernel/group.c',

'kernel/log.c',

'kernel/fork.c',

'kernel/exec.c',

'kernel/exit.c',

'kernel/time.c',

'kernel/mmap.c',

'kernel/uname.c',

'kernel/tls.c',

'kernel/futex.c',

'kernel/getset.c',

'kernel/signal.c',

'kernel/resource.c',

'kernel/random.c',

'kernel/misc.c',

'kernel/eventfd.c',

'kernel/ipc.c',

'kernel/ptrace.c',

'kernel/fs.c',

'kernel/fs_info.c',

'fs/mount.c',

'fs/fd.c',

'fs/inode.c',

'fs/stat.c',

'fs/dir.c',

'fs/generic.c',

'fs/path.c',

'fs/real.c',

'fs/fake.c',

'fs/proc.c',

'fs/proc/entry.c',

'fs/proc/ish.c',

'fs/proc/root.c',

'fs/proc/pid.c',

'fs/dyndev.c',

'fs/adhoc.c',

'fs/sock.c',

'fs/pipe.c',

'fs/sockrestart.c',

'fs/lock.c',

'fs/dev.c',

'fs/mem.c',

'fs/tty.c',

'fs/tty-real.c',

'fs/pty.c',

'fs/tmp.c',

'fs/poll.c',

'kernel/poll.c',

'kernel/epoll.c',

'util/timer.c',

'util/sync.c',

'util/fifo.c',

'util/fchdir.c',

'emu/memory.c',

'platform/' + host_machine.system() + '.c',

]

libish = library('ish', src,

include_directories: includes)

ish = declare_dependency(

link_with: [libish, libish_emu, libfakefs],

dependencies: dependencies,

include_directories: includes)

if not meson.is_cross_build()

executable('ish', ['main.c'], dependencies: ish)

endif

elif get_option('kernel') == 'linux'

modules = static_library('linux_modules', [

'linux/main.c',

'linux/fakefs.c',

], dependencies: [linux_headers, sqlite3])

executable('ish', [build_linux],

link_with: [libfakefs],

dependencies: [

liblinux,

libm,

libdl,

threads,

declare_dependency(link_whole: modules),

])

subdir('tools')

gdb_scripts = ['ish-gdb.gdb']

foreach script : gdb_scripts

custom_target(script,

output: script, input: script,

command: ['ln', '-sf', '@INPUT@', '@OUTPUT@'],

build_by_default: true)

if not meson.is_cross_build()

# test for floating point library

float80_test = executable('float80_test', ['emu/float80.c', 'emu/float80-test.c'], dependencies: [libm])

test('float80', float80_test)

e2e_test = find_program('tests/e2e/e2e.bash')

test('e2e', e2e_test, args: ['-y'], timeout: 180)