project('frida-python', 'c', version: '1.0.0')

host_os_family = host_machine.system()
host_os = host_os_family

cc = meson.get_compiler('c')

target_conditionals_prefix = '#include <TargetConditionals.h>'

is_macos_src = target_conditionals_prefix + '''
#if !TARGET_OS_OSX
# error Not macOS
#endif
'''
if cc.compiles(is_macos_src, name: 'compiling for macOS')
  host_os = 'macos'
endif

is_ios_src = target_conditionals_prefix + '''
#if !TARGET_OS_IOS
# error Not iOS
#endif
'''
if cc.compiles(is_ios_src, name: 'compiling for iOS')
  host_os = 'ios'
endif

if cc.has_header('android/api-level.h')
  host_os = 'android'
endif

python = get_option('with-python')
if python == ''
  python = find_program('python3', required: false)
  if not python.found()
    python = find_program('python')
  endif
endif

result = run_command(python, '-c',
  'import sys; sys.stdout.write("%d.%d" % (sys.version_info[0], sys.version_info[1]))')
if result.returncode() != 0
  error('Unable to detect Python version: ' + result.stdout() + result.stderr())
endif
python_version = result.stdout()

python_name = 'python' + python_version
python_site_packages = join_paths(get_option('libdir'), python_name, 'site-packages')

result = run_command(python, '-c',
  'from distutils import sysconfig; import sys; sys.stdout.write(sysconfig.get_python_inc())')
if result.returncode() != 0
  error('Unable to detect Python include directory: ' + result.stdout() + result.stderr())
endif
python_incdir = result.stdout()

result = run_command(python, '-c', 'import sys;\n' +
  'sys.stdout.write("PyInit__frida" if sys.version_info[0] >= 3 else "init_frida")')
if result.returncode() != 0
  error('Unable to detect Python plugin export name: ' + result.stdout() + result.stderr())
endif
python_plugin_export_name = result.stdout()

cdata = configuration_data()

cdata.set('HAVE_' + host_os_family.to_upper(), 1)
if host_os != host_os_family
  cdata.set('HAVE_' + host_os.to_upper(), 1)
endif

frida_core_dep = dependency('frida-core-1.0')

configure_file(input: 'config.h.in',
  output: 'config.h',
  configuration: cdata)

subdir('src')