project('regex-is-hard', 'cpp', default_options: [
  'buildtype=debugoptimized',
  'cpp_std=c++20',
  'warning_level=3',
])

boost = dependency('boost', modules: ['regex'], required: false)
oniguruma = dependency('oniguruma')
pcre = dependency('libpcre2-8')
re2 = dependency('re2')
tre = dependency('tre')

config_h = configure_file(configuration: {
  'HAVE_BOOST': boost.found().to_int(),
}, output: 'config.h')

sources = [
  'src/main.cc',
  'src/data.cc',
  'src/engine_c.cc',
  'src/engine_oniguruma.cc',
  'src/engine_pcre.cc',
  'src/engine_re2.cc',
  'src/engine_std.cc',
  'src/engine_tre.cc',
]
if boost.found()
  sources += 'src/engine_boost.cc'
endif
driver = executable('driver', sources, dependencies: [boost, oniguruma, pcre, re2, tre], install: true)