Issue 6241 - Allow a native build.

meson.build

-project('adblockpluscore', license: ['GPL3'], meson_version: '>0.40.0')
+project('adblockpluscore', 'cpp', license: ['GPL3'], meson_version: '>0.40.0')
 
-# locate emscripten-config
-python = import('python3').find_python()
-emscripten_config = get_option('emscripten-config')
-command = run_command(python, '-c', 'import os.path, sys;print(os.path.expanduser(sys.argv[1]))', emscripten_config)
-if command.returncode() != 0
-  error(command.stderr().strip())
+native = get_option('native')
+if native
+   target_type='native'
+else
+   target_type='js'
 endif
-emscripten_config = command.stdout().strip()
-message('Emscripten config file: ' + emscripten_config)
 
-# locate emcc
-command = run_command(python, '-c', 'import sys;exec(open(sys.argv[1]).read());print(EMSCRIPTEN_ROOT)', emscripten_config)
-if command.returncode() != 0
-  error(command.stderr().strip())
+if target_type == 'js'
+  # locate emscripten-config
+  python = import('python3').find_python()
+  emscripten_config = get_option('emscripten-config')
+  command = run_command(python, '-c', 'import os.path, sys;print(os.path.expanduser(sys.argv[1]))', emscripten_config)
+  if command.returncode() != 0
+    error(command.stderr().strip())
+  endif
+  emscripten_config = command.stdout().strip()
+  message('Emscripten config file: ' + emscripten_config)
+
+  # locate emcc
+  command = run_command(python, '-c', 'import sys;exec(open(sys.argv[1]).read());print(EMSCRIPTEN_ROOT)', emscripten_config)
+  if command.returncode() != 0
+    error(command.stderr().strip())
+  endif
+  emcc = join_paths(command.stdout().strip(), 'emcc')
+  emcc = find_program(emcc)
+
+  # locate node
+  command = run_command(python, '-c', 'import sys;exec(open(sys.argv[1]).read());print(NODE_JS)', emscripten_config)
+  if command.returncode() != 0
+    error(command.stderr().strip())
+  endif
+  nodejs = find_program(command.stdout().strip(), 'node', 'nodejs')
 endif
-emcc = join_paths(command.stdout().strip(), 'emcc')
-emcc = find_program(emcc)
-
-# locate node
-command = run_command(python, '-c', 'import sys;exec(open(sys.argv[1]).read());print(NODE_JS)', emscripten_config)
-if command.returncode() != 0
-  error(command.stderr().strip())
-endif
-nodejs = find_program(command.stdout().strip(), 'node', 'nodejs')
 
 JS_LIBRARY = files(join_paths('compiled', 'library.js'))
 BINDINGS_JS_LIBRARY = files(join_paths('compiled', 'bindings', 'library.js'))
 BINDINGS_GENERATOR = 'bindings.cpp.js'
 BINDINGS_OUTPUT = 'bindings.js'
 COMPILER_OUTPUT = 'compiled.js'
 # params for emcc compilation
-ADDITIONAL_PARAMS = [ '-O3', '-m32', '-std=c++1z', '--memory-init-file', '0',
-                      '--emit-symbol-map', '-Wall', '-Werror',
+ADDITIONAL_PARAMS = [ '-O3', '-std=c++1z', '-Wall', '-Werror',
                       '-fno-rtti' ]
+if target_type == 'js'
+# CXXFLAGS specific to emcc
+  ADDITIONAL_PARAMS += [ '-m32', '--memory-init-file', '0',
+                         '--emit-symbol-map' ]
+else
+  ADDITIONAL_PARAMS += [ '-fsanitize=address' ]
+endif
 # additional params just for core
 CORE_PARAMS = [ '-fno-exceptions' ]
 
 DEFINES = []
 GENERATION_PARAMS = [
   ['SHELL_FILE', '"' +
    join_paths(meson.source_root(), 'compiled', 'shell.js') +
    '"'],
   ['ASM_JS', '2'],  # "almost asm"
   ['TOTAL_MEMORY', 16*1024*1024],
@@ skipping 32 matching lines @@
 ]
 # sources specific to core
 core_sources = [
   'compiled/traceInit.cpp',
 ]
 # sources for the bindings generator
 bindings_sources = [
   'compiled/bindings/generator.cpp',
   'compiled/bindings/main.cpp',
 ]
+# native sources
+native_sources = [
+  'compiled/library.cpp',
+]
 
 defines_args = []
 foreach define : DEFINES
   defines_args += '-D' + define
 endforeach
 
 generation_args = []
 foreach param : GENERATION_PARAMS
   generation_args += '-s'
   generation_args += param[0] + '=' + '@0@'.format(param[1])
 endforeach
 
 optional_args = []
 buildtype = get_option('buildtype')
 if buildtype.startswith('debug')
   optional_args += '-DDEBUG'
   optional_args += '-g3'
+  if target_type == 'native'
+    ADDITIONAL_PARAMS += [ '-fsanitize=address' ]
+    LINK_PARAMS = [ '-fsanitize=address' ]
+  endif
 endif
 tracing = get_option('tracing')
 if tracing
   optional_args += '--tracing'
 endif
 
 compiler_args = defines_args + generation_args + ADDITIONAL_PARAMS
 
-# build objects.
-core_objects = []
-bindings_objects = []
-shared_objects = []
-foreach group : ['core', 'bindings', 'shared']
-  objects = []
-  foreach source_file : get_variable(group + '_sources')
-    output_file = source_file.underscorify() + '.o'
-    command = [ emcc, '-MD', '-MF', '@DEPFILE@', '-c', '-o', '@OUTPUT@',
-                '@INPUT@' ] + compiler_args
-    if group != 'bindings'
-      command += CORE_PARAMS + optional_args
-    endif
-    objects += custom_target(output_file,
-                             input: files(source_file),
-                             output: output_file,
-                             depfile: output_file + '.deps',
-                             command: command)
+if target_type == 'js'
+  # build objects.
+  core_objects = []
+  bindings_objects = []
+  shared_objects = []
+  foreach group : ['core', 'bindings', 'shared']
+    objects = []
+    foreach source_file : get_variable(group + '_sources')
+      output_file = source_file.underscorify() + '.o'
+      command = [ emcc, '-MD', '-MF', '@DEPFILE@', '-c', '-o', '@OUTPUT@',
+                  '@INPUT@' ] + compiler_args
+      if group != 'bindings'
+        command += CORE_PARAMS + optional_args
+      endif
+      objects += custom_target(output_file,
+                               input: files(source_file),
+                               output: output_file,
+                               depfile: output_file + '.deps',
+                               command: command)
+    endforeach
+    # Ideally, we would call set_variable() here but that doesn't work
+    # with arrays (see
+    # https://github.com/mesonbuild/meson/issues/1481). So we have to
+    # do this shifting dance instead.
+    core_objects = bindings_objects
+    bindings_objects = shared_objects
+    shared_objects = objects
   endforeach
-  # Ideally, we would call set_variable() here but that doesn't work with arrays
-  # (see https://github.com/mesonbuild/meson/issues/1481). So we have to do this
-  # shifting dance instead.
-  core_objects = bindings_objects
-  bindings_objects = shared_objects
-  shared_objects = objects
-endforeach
 
-# link the binding generator
-bindings_generator = custom_target(BINDINGS_GENERATOR,
-                                   input: bindings_objects + shared_objects,
-                                   output: BINDINGS_GENERATOR,
-                                   depend_files: [ JS_LIBRARY, BINDINGS_JS_LIBRARY ],
-                                   command: [
-                                     emcc, '-o', '@OUTPUT@',
-                                     '--js-library', JS_LIBRARY,
-                                     '--js-library', BINDINGS_JS_LIBRARY,
-                                     '@INPUT@'
-                                   ])
-# run the binding generator
-bindings_output = custom_target(BINDINGS_OUTPUT,
-                                input: bindings_generator,
-                                output: BINDINGS_OUTPUT,
-                                capture: true,
-                                command: [nodejs, '@INPUT@'])
+  # link the binding generator
+  bindings_generator = custom_target(BINDINGS_GENERATOR,
+                                     input: bindings_objects + shared_objects,
+                                     output: BINDINGS_GENERATOR,
+                                     depend_files: [ JS_LIBRARY, BINDINGS_JS_LIBRARY ],
+                                     command: [
+                                       emcc, '-o', '@OUTPUT@',
+                                       '--js-library', JS_LIBRARY,
+                                       '--js-library', BINDINGS_JS_LIBRARY,
+                                       '@INPUT@'
+                                     ])
+  # run the binding generator
+  bindings_output = custom_target(BINDINGS_OUTPUT,
+                                  input: bindings_generator,
+                                  output: BINDINGS_OUTPUT,
+                                  capture: true,
+                                  command: [nodejs, '@INPUT@'])
+  # link the core
+  output_file = join_paths(meson.source_root(), 'lib', COMPILER_OUTPUT)
+  compiler_output = custom_target(COMPILER_OUTPUT,
+                                  build_by_default: true,
+                                  input: core_objects + shared_objects,
+                                  output: COMPILER_OUTPUT,
+                                  depend_files: [ JS_LIBRARY ],
+                                  command: [
+                                    emcc, '-o', output_file,
+                                    '--post-js', bindings_output,
+                                    '--js-library', JS_LIBRARY,
+                                    '@INPUT@'
+                                  ] + compiler_args + optional_args)
+else
+  adblockpluscore = library('adblockpluscore', shared_sources,
+                            native_sources,
+                            cpp_args: ADDITIONAL_PARAMS + CORE_PARAMS,
+                            link_args: LINK_PARAMS)
+endif
 
-# link the core
-output_file = join_paths(meson.source_root(), 'lib', COMPILER_OUTPUT)
-compiler_output = custom_target(COMPILER_OUTPUT,
-                                build_by_default: true,
-                                input: core_objects + shared_objects,
-                                output: COMPILER_OUTPUT,
-                                depend_files: [ JS_LIBRARY ],
-                                command: [
-                                  emcc, '-o', output_file,
-                                  '--post-js', bindings_output,
-                                  '--js-library', JS_LIBRARY,
-                                  '@INPUT@'
-                                ] + compiler_args + optional_args)