project('smolbote', ['cpp'],
    version: '0.1.0',
    default_options: ['cpp_std=c++2a', 'warning_level=3'],
    license: 'GPL3',
    meson_version: '>=0.53.0'
)

summary({
  'prefix': get_option('prefix'),
  'bindir': get_option('bindir'),
  'libdir': get_option('libdir'),
  'datadir': get_option('datadir')
}, section: 'Install locations')

kconfig = import('unstable-kconfig')
kconf = kconfig.load(host_machine.system() + '/.config')
cdata = configuration_data(kconf)

version_h = vcs_tag(
    command: [find_program('git').path(), 'describe', '--long', '--abbrev=40'],
    #fallback: defaults to meson.project_version(),
    input: 'src/version.h.in',
    output: 'version.h'
)

# add -DQT_NO_DEBUG to non-debug builds
if not get_option('debug')
    add_project_arguments('-DQT_NO_DEBUG', language: 'cpp')
endif

sourceset = import('sourceset')

cxx = meson.get_compiler('cpp')

# add some specific flags
add_project_arguments(cxx.get_supported_arguments([
  '-ffunction-sections',      # Place each function into its own section, better ASLR but larger executables
  '-fstack-protector-all',    # Emit code to check for buffer overflows on all functions
  '-fstack-clash-protection', # Emit code to check for stack clash attacks

  # gcc specific
  '-fconcepts',     # gcc9 c++20 compat

  # clang specific
  '-mspeculative-load-hardening',   # Spectre v1 mitigation
  '-Xclang -plugin-arg-clazy -Xclang level0,level1', # clazy default warning level

  ## warnings
  # variables
  '-Wunused',               # warn on anything being unused
  '-Wshadow',               # if variable declaration shadows one from a parent context
  # functions
  '-Wnon-virtual-dtor',     # if class with virtual functions has non-virtual dtor
  '-Werror=missing-declarations', # missing function declarations in header files
  '-Werror=redundant-decls',
  '-Woverloaded-virtual',   # warn if you overload (not override) a virtual function
  '-Werror=return-type',
  # style
  '-Wformat=2',             # security issues around printf
  '-Wdate-time',            # __TIME__ and __DATE__ macros
  '-Werror=missing-field-initializers',
  # objects
  '-Wnull-dereference',
  '-Wconsumed',             # use-after-move warnings
  '-Wlifetime',             # object lifetime issues
  # logic
  '-Wlogical-op',           # logical operations being used where bitwise were probably wanted
  '-Wimplicit-fallthrough',
  '-Wduplicated-cond',      # if/else chain has duplicated conditions
  '-Wduplicated-brances',   # if/else branches have duplicated code
  # casts
  '-Wold-style-cast',
  '-Wcast-align',           # potential performance problem casts
  '-Wuseless-cast',         # cast to same type
  '-Wconversion',           # type conversions that may lose data
  '-Wsign-conversion',      # sign conversions
  '-Wdouble-promotion',     # float is promoted to double
  # others
  '-Werror=pedantic',       # if non-standard c++ is used
  #'-Weffc++',
]), language: 'cpp')

# Dependencies
mod_qt5 = import('qt5')
dep_qt5 = dependency('qt5',
  modules: [ 'Core', 'Network', 'Widgets', 'Svg', 'WebEngine', 'WebEngineWidgets', 'Concurrent' ],
  include_type: 'system'
)

dep_spdlog = dependency('spdlog', fallback: ['spdlog', 'spdlog_dep'], version: '>=1.3.1')

optional_deps = []
poi_cpp_args = []

dep_breakpad = dependency('breakpad-client', include_type: 'system', required: get_option('crashhandler'))
dep_threads = dependency('threads', include_type: 'system', required: get_option('crashhandler'))

dep_gtest = dependency('gtest', required: false, disabler: true)
dep_catch = dependency('catch2', required: true, fallback: ['catch2', 'catch2_dep'] )
dep_SingleApplication = dependency('singleapplication', fallback: [ 'singleapplication', 'SingleApplication_dep' ])
dep_args = dependency('args.hxx', fallback: [ 'args', 'args_dep' ])

# Generate config header
poi_sourceset = sourceset.source_set()

subdir('include')
smolbote_interfaces = include_directories('include')

subdir('lib/bookmarks')
subdir('lib/configuration')
subdir('lib/downloads')
subdir('lib/pluginloader')
subdir('lib/session_formats')

subdir('src')
subdir('lang')
subdir('doc')
subdir('tools')

subdir('plugins/ProfileEditor')

subdir('test/firefox-bookmarks-json-parser')
subdir('test/matcherbenchmark')

subdir('staging/smolblok')
subdir('plugins/smolblok_hostlist')

ssconfig = poi_sourceset.apply(cdata)

poi_exe = executable(get_option('poi'),
  cpp_args: ['-DQAPPLICATION_CLASS=QApplication', poi_cpp_args],
  sources: [ssconfig.sources()],
  include_directories: [ plugininterfaces_include, include_directories('src') ],
  dependencies: [ dep_qt5, dep_spdlog, dep_SingleApplication, dep_args, optional_deps, dep_bookmarks, dep_configuration, dep_downloads, dep_pluginloader, ssconfig.dependencies(), lib_session_formats ],
  install: true,
)

test('poi-bookmarks: xbel', poi_exe, args: [ 'bookmarks', '-x', files('test/bookmarks.xbel'), '--export=stdout' ])

subdir(host_machine.system())

# cppcheck target
cppcheck = find_program('cppcheck', required: false)
if cppcheck.found()
run_target('cppcheck',
  command: [cppcheck, '--enable=all', '--project=' + meson.build_root() / 'compile_commands.json']
)
endif