project('nix-expr', 'cpp', version : files('.version'), default_options : [ 'cpp_std=c++2a', # TODO(Qyriad): increase the warning level 'warning_level=1', 'debug=true', 'optimization=2', 'errorlogs=true', # Please print logs for tests that fail ], meson_version : '>= 1.1', license : 'LGPL-2.1-or-later', ) cxx = meson.get_compiler('cpp') subdir('build-utils-meson/deps-lists') configdata = configuration_data() deps_private_maybe_subproject = [ ] deps_public_maybe_subproject = [ dependency('nix-util'), dependency('nix-store'), dependency('nix-fetchers'), ] subdir('build-utils-meson/subprojects') subdir('build-utils-meson/threads') boost = dependency( 'boost', modules : ['container', 'context'], ) # boost is a public dependency, but not a pkg-config dependency unfortunately, so we # put in `deps_other`. deps_other += boost nlohmann_json = dependency('nlohmann_json', version : '>= 3.9') deps_public += nlohmann_json bdw_gc = dependency('bdw-gc', required : get_option('gc')) if bdw_gc.found() deps_public += bdw_gc foreach funcspec : [ 'pthread_attr_get_np', 'pthread_getattr_np', ] define_name = 'HAVE_' + funcspec.underscorify().to_upper() define_value = cxx.has_function(funcspec).to_int() configdata.set(define_name, define_value) endforeach configdata.set('GC_THREADS', 1) endif configdata.set('HAVE_BOEHMGC', bdw_gc.found().to_int()) toml11 = dependency('toml11', version : '>=3.7.0', method : 'cmake') deps_other += toml11 config_h = configure_file( configuration : configdata, output : 'config-expr.hh', ) add_project_arguments( # TODO(Qyriad): Yes this is how the autoconf+Make system did it. # It would be nice for our headers to be idempotent instead. '-include', 'config-util.hh', '-include', 'config-store.hh', # '-include', 'config-fetchers.h', '-include', 'config-expr.hh', language : 'cpp', ) subdir('build-utils-meson/diagnostics') parser_tab = custom_target( input : 'parser.y', output : [ 'parser-tab.cc', 'parser-tab.hh', ], command : [ 'bison', '-v', '-o', '@OUTPUT0@', '@INPUT@', '-d', ], # NOTE(Qyriad): Meson doesn't support installing only part of a custom target, so we add # an install script below which removes parser-tab.cc. install : true, install_dir : get_option('includedir') / 'nix', ) lexer_tab = custom_target( input : [ 'lexer.l', parser_tab, ], output : [ 'lexer-tab.cc', 'lexer-tab.hh', ], command : [ 'flex', '--outfile', '@OUTPUT0@', '--header-file=' + '@OUTPUT1@', '@INPUT0@', ], # NOTE(Qyriad): Meson doesn't support installing only part of a custom target, so we add # an install script below which removes lexer-tab.cc. install : true, install_dir : get_option('includedir') / 'nix', ) subdir('build-utils-meson/generate-header') generated_headers = [] foreach header : [ 'imported-drv-to-derivation.nix', 'fetchurl.nix', 'call-flake.nix', ] generated_headers += gen_header.process(header) endforeach sources = files( 'attr-path.cc', 'attr-set.cc', 'eval-cache.cc', 'eval-error.cc', 'eval-gc.cc', 'eval-settings.cc', 'eval.cc', 'function-trace.cc', 'get-drvs.cc', 'json-to-value.cc', 'nixexpr.cc', 'paths.cc', 'primops.cc', 'print-ambiguous.cc', 'print.cc', 'search-path.cc', 'value-to-json.cc', 'value-to-xml.cc', 'value/context.cc', ) include_dirs = [include_directories('.')] headers = [config_h] + files( 'attr-path.hh', 'attr-set.hh', 'eval-cache.hh', 'eval-error.hh', 'eval-gc.hh', 'eval-inline.hh', 'eval-settings.hh', 'eval.hh', 'function-trace.hh', 'gc-small-vector.hh', 'get-drvs.hh', 'json-to-value.hh', 'nixexpr.hh', 'parser-state.hh', 'pos-idx.hh', 'pos-table.hh', 'primops.hh', 'print-ambiguous.hh', 'print-options.hh', 'print.hh', 'repl-exit-status.hh', 'search-path.hh', 'symbol-table.hh', 'value-to-json.hh', 'value-to-xml.hh', 'value.hh', 'value/context.hh', ) subdir('primops') this_library = library( 'nixexpr', sources, parser_tab, lexer_tab, generated_headers, dependencies : deps_public + deps_private + deps_other, prelink : true, # For C++ static initializers install : true, ) install_headers(headers, subdir : 'nix', preserve_path : true) libraries_private = [] subdir('build-utils-meson/export')