Refactored builtin options to a dictionary and created a new default library target type.

backends.py

@@ -68,7 +68,7 @@ class Backend():
         return filename
 
     def get_target_dir(self, target):
-        if self.environment.coredata.layout == 'mirror':
+        if self.environment.coredata.get_builtin_option('layout') == 'mirror':
             dirname = target.get_subdir()
         else:
             dirname = 'meson-out'
@@ -208,16 +208,16 @@ class Backend():
     def generate_basic_compiler_args(self, target, compiler):
         commands = []
         commands += compiler.get_always_args()
-        if self.environment.coredata.buildtype != 'plain':
-            commands += compiler.get_warn_args(self.environment.coredata.warning_level)
+        if self.environment.coredata.get_builtin_option('buildtype') != 'plain':
+            commands += compiler.get_warn_args(self.environment.coredata.get_builtin_option('warning_level'))
         commands += compiler.get_option_compile_args(self.environment.coredata.compiler_options)
         commands += self.build.get_global_args(compiler)
         commands += self.environment.coredata.external_args[compiler.get_language()]
         commands += target.get_extra_args(compiler.get_language())
-        commands += compiler.get_buildtype_args(self.environment.coredata.buildtype)
-        if self.environment.coredata.coverage:
+        commands += compiler.get_buildtype_args(self.environment.coredata.get_builtin_option('buildtype'))
+        if self.environment.coredata.get_builtin_option('coverage'):
             commands += compiler.get_coverage_args()
-        if self.environment.coredata.werror:
+        if self.environment.coredata.get_builtin_option('werror'):
             commands += compiler.get_werror_args()
         if isinstance(target, build.SharedLibrary):
             commands += compiler.get_pic_args()
@@ -302,9 +302,10 @@ class Backend():
             outdir = self.environment.scratch_dir
             fname = os.path.join(outdir, p.filebase + '.pc')
             ofile = open(fname, 'w')
-            ofile.write('prefix=%s\n' % self.environment.get_coredata().prefix)
-            ofile.write('libdir=${prefix}/%s\n' % self.environment.get_coredata().libdir)
-            ofile.write('includedir=${prefix}/%s\n\n' % self.environment.get_coredata().includedir)
+            coredata = self.environment.get_coredata()
+            ofile.write('prefix=%s\n' % coredata.get_builtin_option('prefix'))
+            ofile.write('libdir=${prefix}/%s\n' % coredata.get_builtin_option('libdir'))
+            ofile.write('includedir=${prefix}/%s\n\n' % coredata.get_builtin_option('includedir'))
             ofile.write('Name: %s\n' % p.name)
             if len(p.description) > 0:
                 ofile.write('Description: %s\n' % p.description)

coredata.py

@@ -44,22 +44,8 @@ class CoreData():
         self.test_guid = str(uuid.uuid4()).upper()
         self.target_guids = {}
         self.version = version
-        self.prefix = options.prefix
-        self.libdir = options.libdir
-        self.bindir = options.bindir
-        self.includedir = options.includedir
-        self.datadir = options.datadir
-        self.mandir = options.mandir
-        self.localedir = options.localedir
-        self.backend = options.backend
-        self.buildtype = options.buildtype
-        self.strip = options.strip
-        self.use_pch = options.use_pch
-        self.unity = options.unity
-        self.coverage = options.coverage
-        self.warning_level = options.warning_level
-        self.werror = options.werror
-        self.layout = options.layout
+        self.builtin_options = {}
+        self.init_builtins(options)
         self.user_options = {}
         self.compiler_options = {}
         self.external_args = {} # These are set from "the outside" with e.g. mesonconf
@@ -76,35 +62,36 @@ class CoreData():
         self.ext_libs = {}
         self.modules = {}
 
+    def init_builtins(self, options):
+        self.builtin_options['prefix'] = options.prefix
+        self.builtin_options['libdir'] = options.libdir
+        self.builtin_options['bindir'] = options.bindir
+        self.builtin_options['includedir'] = options.includedir
+        self.builtin_options['datadir'] = options.datadir
+        self.builtin_options['mandir'] = options.mandir
+        self.builtin_options['localedir'] = options.localedir
+        self.builtin_options['backend'] = options.backend
+        self.builtin_options['buildtype'] = options.buildtype
+        self.builtin_options['strip'] = options.strip
+        self.builtin_options['use_pch'] = options.use_pch
+        self.builtin_options['unity'] = options.unity
+        self.builtin_options['coverage'] = options.coverage
+        self.builtin_options['warning_level'] = options.warning_level
+        self.builtin_options['werror'] = options.werror
+        self.builtin_options['layout'] = options.layout
+        self.builtin_options['default_library'] = options.default_library
+
     def get_builtin_option(self, optname):
-        if optname == 'buildtype':
-            return self.buildtype
-        if optname == 'strip':
-            return self.strip
-        if optname == 'coverage':
-            return self.coverage
-        if optname == 'pch':
-            return self.use_pch
-        if optname == 'unity':
-            return self.unity
-        if optname == 'prefix':
-            return self.prefix
-        if optname == 'libdir':
-            return self.libdir
-        if optname == 'bindir':
-            return self.bindir
-        if optname == 'includedir':
-            return self.includedir
-        if optname == 'datadir':
-            return self.datadir
-        if optname == 'mandir':
-            return self.mandir
-        if optname == 'localedir':
-            return self.localedir
-        if optname == 'layout':
-            return self.layout
+        if optname in self.builtin_options:
+            return self.builtin_options[optname]
         raise RuntimeError('Tried to get unknown builtin option %s' % optname)
 
+    def set_builtin_option(self, optname, value):
+        if optname in self.builtin_options:
+            self.builtin_options[optname] = value
+        else:
+            raise RuntimeError('Tried to set unknown builtin option %s' % optname)
+
 def load(filename):
     obj = pickle.load(open(filename, 'rb'))
     if not isinstance(obj, CoreData):

environment.py

@@ -543,22 +543,22 @@ class Environment():
         return self.object_suffix
 
     def get_prefix(self):
-        return self.coredata.prefix
+        return self.coredata.get_builtin_option('prefix')
 
     def get_libdir(self):
-        return self.coredata.libdir
+        return self.coredata.get_builtin_option('libdir')
 
     def get_bindir(self):
-        return self.coredata.bindir
+        return self.coredata.get_builtin_option('bindir')
 
     def get_includedir(self):
-        return self.coredata.includedir
+        return self.coredata.get_builtin_option('includedir')
 
     def get_mandir(self):
-        return self.coredata.mandir
+        return self.coredata.get_builtin_option('mandir')
 
     def get_datadir(self):
-        return self.coredata.datadir
+        return self.coredata.get_builtin_option('datadir')
 
     def find_library(self, libname, dirs):
         if dirs is None:

interpreter.py

@@ -855,7 +855,7 @@ class MesonMain(InterpreterObject):
         raise InterpreterException('Tried to access compiler for unspecified language "%s".' % cname)
 
     def is_unity_method(self, args, kwargs):
-        return self.build.environment.coredata.unity
+        return self.build.environment.coredata.get_builtin_option('unity')
 
     def is_subproject_method(self, args, kwargs):
         return self.interpreter.is_subproject()
@@ -933,6 +933,7 @@ class Interpreter():
                       'dependency' : self.func_dependency,
                       'static_library' : self.func_static_lib,
                       'shared_library' : self.func_shared_lib,
+                      'default_library' : self.func_default_library,
                       'jar' : self.func_jar,
                       'build_target': self.func_build_target,
                       'custom_target' : self.func_custom_target,
@@ -1339,9 +1340,10 @@ class Interpreter():
             if '=' not in option:
                 raise InterpreterException('All default options must be of type key=value.')
             key, value = option.split('=', 1)
-            if hasattr(self.coredata, key):
+            builtin_options = self.coredata.builtin_options
+            if key in builtin_options:
                 if not hasattr(self.environment.cmd_line_options, value):
-                    setattr(self.coredata, key, value)
+                    self.coredata.set_builtin_option(key, value)
                 # If this was set on the command line, do not override.
             else:
                 newoptions = [option] + self.environment.cmd_line_options.projectoptions
@@ -1567,6 +1569,11 @@ class Interpreter():
     def func_shared_lib(self, node, args, kwargs):
         return self.build_target(node, args, kwargs, SharedLibraryHolder)
 
+    def func_default_library(self, node, args, kwargs):
+        if self.coredata.get_builtin_option('default_library') == 'shared':
+            return self.func_shared_lib(node, args, kwargs)
+        return self.func_static_lib(node, args, kwargs)
+
     def func_jar(self, node, args, kwargs):
         return self.build_target(node, args, kwargs, JarHolder)
 
@@ -2009,7 +2016,7 @@ class Interpreter():
         else:
             obj = self.evaluate_statement(invokable)
         method_name = node.name
-        if method_name == 'extract_objects' and self.environment.coredata.unity:
+        if method_name == 'extract_objects' and self.environment.coredata.get_builtin_option('unity'):
             raise InterpreterException('Single object files can not be extracted in Unity builds.')
         args = node.args
         if isinstance(obj, mparser.StringNode):

meson.py

@@ -68,6 +68,8 @@ parser.add_argument('--werror', action='store_true', dest='werror', default=Fals
                     help='Treat warnings as errors')
 parser.add_argument('--layout', choices=layouts, dest='layout', default='mirror',\
                     help='Build directory layout.')
+parser.add_argument('--default-library', choices=['shared', 'static'], dest='default_library',
+                    default='static', help='Default library type.')
 parser.add_argument('--warnlevel', default=default_warning, dest='warning_level', choices=warning_levels,\
                     help='Level of compiler warnings to use (larger is more, default is %(default)s)')
 parser.add_argument('--cross-file', default=None, dest='cross_file',

mesonconf.py

@@ -72,52 +72,55 @@ class Conf:
             if k == 'buildtype':
                 if v not in build_types:
                     raise ConfException('Invalid build type %s.' % v)
-                self.coredata.buildtype = v
+                self.coredata.set_builtin_option('buildtype', v)
             elif k == 'layout':
                 if v not in layouts:
                     raise ConfException('Invalid layout type %s.' % v)
-                self.coredata.layout = v
+                self.coredata.set_builtin_option('layout', v)
             elif k == 'warnlevel':
                 if not v in warning_levels:
                     raise ConfException('Invalid warning level %s.' % v)
-                self.coredata.warning_level = v
+                self.coredata.set_builtin_option('warning_level', v)
             elif k == 'strip':
-                self.coredata.strip = self.tobool(v)
+                self.coredata.set_builtin_option('strip', self.tobool(v))
             elif k == 'coverage':
-                v = self.tobool(v)
-                self.coredata.coverage = self.tobool(v)
+                self.coredata.set_builtin_option('coverage', self.tobool(v))
             elif k == 'pch':
-                self.coredata.use_pch = self.tobool(v)
+                self.coredata.set_builtin_option('use_pch', self.tobool(v))
             elif k == 'unity':
-                self.coredata.unity = self.tobool(v)
+                self.coredata.set_builtin_option('unity', self.tobool(v))
+            elif k == 'default_library':
+                if v != 'shared' and v != 'static':
+                    raise ConfException('Invalid value for default_library')
+                self.coredata.set_builtin_option('default_library', v)
             elif k == 'prefix':
                 if not os.path.isabs(v):
                     raise ConfException('Install prefix %s is not an absolute path.' % v)
-                self.coredata.prefix = v
+                self.coredata.set_builtin_option('prefix', v)
             elif k == 'libdir':
                 if os.path.isabs(v):
                     raise ConfException('Library dir %s must not be an absolute path.' % v)
-                self.coredata.libdir = v
+                self.coredata.set_builtin_option('libdir', v)
             elif k == 'bindir':
                 if os.path.isabs(v):
                     raise ConfException('Binary dir %s must not be an absolute path.' % v)
-                self.coredata.bindir = v
+                self.coredata.set_builtin_option('bindir',v)
             elif k == 'includedir':
                 if os.path.isabs(v):
                     raise ConfException('Include dir %s must not be an absolute path.' % v)
-                self.coredata.includedir = v
+                self.coredata.set_builtin_option('includedir', v)
             elif k == 'datadir':
                 if os.path.isabs(v):
                     raise ConfException('Data dir %s must not be an absolute path.' % v)
-                self.coredata.datadir = v
+                self.coredata.set_builtin_option('datadir', v)
             elif k == 'mandir':
                 if os.path.isabs(v):
                     raise ConfException('Man dir %s must not be an absolute path.' % v)
-                self.coredata.mandir = v
+                self.coredata.set_builtin_option('mandir', v)
             elif k == 'localedir':
                 if os.path.isabs(v):
                     raise ConfException('Locale dir %s must not be an absolute path.' % v)
-                self.coredata.localedir = v
+                self.coredata.set_builtin_option('localedir', v)
             elif k in self.coredata.user_options:
                 tgt = self.coredata.user_options[k]
                 tgt.set_value(v)
@@ -150,12 +153,13 @@ class Conf:
         print('')
         print('Core options\n')
         carr = []
-        carr.append(['buildtype', 'Build type', self.coredata.buildtype])
-        carr.append(['warnlevel', 'Warning level', self.coredata.warning_level])
-        carr.append(['strip', 'Strip on install', self.coredata.strip])
-        carr.append(['coverage', 'Coverage report', self.coredata.coverage])
-        carr.append(['pch', 'Precompiled headers', self.coredata.use_pch])
-        carr.append(['unity', 'Unity build', self.coredata.unity])
+        carr.append(['buildtype', 'Build type', self.coredata.get_builtin_option('buildtype')])
+        carr.append(['warnlevel', 'Warning level', self.coredata.get_builtin_option('warning_level')])
+        carr.append(['strip', 'Strip on install', self.coredata.get_builtin_option('strip')])
+        carr.append(['coverage', 'Coverage report', self.coredata.get_builtin_option('coverage')])
+        carr.append(['pch', 'Precompiled headers', self.coredata.get_builtin_option('use_pch')])
+        carr.append(['unity', 'Unity build', self.coredata.get_builtin_option('unity')])
+        carr.append(['default_library', 'Default library type', self.coredata.get_builtin_option('default_library')])
         self.print_aligned(carr)
         print('')
         print('Compiler arguments\n')
@@ -179,13 +183,13 @@ class Conf:
         print('')
         print('Directories\n')
         parr = []
-        parr.append(['prefix', 'Install prefix', self.coredata.prefix])
-        parr.append(['libdir', 'Library directory', self.coredata.libdir])
-        parr.append(['bindir', 'Binary directory', self.coredata.bindir])
-        parr.append(['includedir', 'Header directory', self.coredata.includedir])
-        parr.append(['datadir', 'Data directory', self.coredata.datadir])
-        parr.append(['mandir', 'Man page directory', self.coredata.mandir])
-        parr.append(['localedir', 'Locale file directory', self.coredata.localedir])
+        parr.append(['prefix', 'Install prefix', self.coredata.get_builtin_option('prefix')])
+        parr.append(['libdir', 'Library directory', self.coredata.get_builtin_option('libdir')])
+        parr.append(['bindir', 'Binary directory', self.coredata.get_builtin_option('bindir')])
+        parr.append(['includedir', 'Header directory', self.coredata.get_builtin_option('includedir')])
+        parr.append(['datadir', 'Data directory', self.coredata.get_builtin_option('datadir')])
+        parr.append(['mandir', 'Man page directory', self.coredata.get_builtin_option('mandir')])
+        parr.append(['localedir', 'Locale file directory', self.coredata.get_builtin_option('localedir')])
         self.print_aligned(parr)
         print('')
         if len(self.coredata.user_options) == 0:

ninjabackend.py

@@ -150,7 +150,7 @@ class NinjaBackend(backends.Backend):
         self.generate_tests(outfile)
         outfile.write('# Install rules\n\n')
         self.generate_install(outfile)
-        if self.environment.coredata.coverage:
+        if self.environment.coredata.get_builtin_option('coverage'):
             outfile.write('# Coverage rules\n\n')
             self.generate_coverage_rules(outfile)
         outfile.write('# Suffix\n\n')
@@ -203,8 +203,8 @@ class NinjaBackend(backends.Backend):
         self.generate_custom_generator_rules(target, outfile)
         outname = self.get_target_filename(target)
         obj_list = []
-        use_pch = self.environment.coredata.use_pch
-        is_unity = self.environment.coredata.unity
+        use_pch = self.environment.coredata.get_builtin_option('use_pch')
+        is_unity = self.environment.coredata.get_builtin_option('unity')
         if use_pch and target.has_pch():
             pch_objects = self.generate_pch(target, outfile)
         else:
@@ -480,14 +480,14 @@ class NinjaBackend(backends.Backend):
             for lang in languages:
                 rel_src =  os.path.join(subdir, lang + '.gmo')
                 src_file = os.path.join(self.environment.get_build_dir(), rel_src)
-                d.po.append((src_file, self.environment.coredata.localedir, lang))
+                d.po.append((src_file, self.environment.coredata.get_builtin_option('localedir'), lang))
                 elem.add_dep(rel_src)
 
     def generate_target_install(self, d):
         libdir = self.environment.get_libdir()
         bindir = self.environment.get_bindir()
 
-        should_strip = self.environment.coredata.strip
+        should_strip = self.environment.coredata.get_builtin_option('strip')
         for t in self.build.get_targets().values():
             if t.should_install():
                 outdir = t.get_custom_install_dir()
@@ -501,7 +501,7 @@ class NinjaBackend(backends.Backend):
                 d.targets.append(i)
 
     def generate_pkgconfig_install(self, d):
-        pkgroot = os.path.join(self.environment.coredata.libdir, 'pkgconfig')
+        pkgroot = os.path.join(self.environment.coredata.get_builtin_option('libdir'), 'pkgconfig')
 
         for p in self.build.pkgconfig_gens:
             pcfile = p.filebase + '.pc'
@@ -683,7 +683,7 @@ class NinjaBackend(backends.Backend):
         return (args, deps)
 
     def generate_cs_target(self, target, outfile):
-        buildtype = self.environment.coredata.buildtype
+        buildtype = self.environment.coredata.get_builtin_option('buildtype')
         fname = target.get_filename()
         outname_rel = os.path.join(self.get_target_dir(target), fname)
         src_list = target.get_sources()
@@ -719,7 +719,7 @@ class NinjaBackend(backends.Backend):
 
     def generate_single_java_compile(self, src, target, compiler, outfile):
         args = []
-        args += compiler.get_buildtype_args(self.environment.coredata.buildtype)
+        args += compiler.get_buildtype_args(self.environment.coredata.get_builtin_option('buildtype'))
         args += compiler.get_output_args(self.get_target_private_dir(target))
         rel_src = src.rel_to_builddir(self.build_to_src)
         plain_class_path = src.fname[:-4] + 'class'
@@ -789,7 +789,7 @@ class NinjaBackend(backends.Backend):
             relsc = os.path.join(self.get_target_private_dir_abs(target), sc)
             rel_s = s.rel_to_builddir(self.build_to_src)
             args += ['--deps', relsc + '.d']
-            if self.environment.coredata.werror:
+            if self.environment.coredata.get_builtin_option('werror'):
                 args += valac.get_werror_args()
             for d in target.external_deps:
                 if isinstance(d, dependencies.PkgConfigDependency):
@@ -1293,7 +1293,7 @@ rule FORTRAN_DEP_HACK
         rel_obj = os.path.join(self.get_target_private_dir(target), obj_basename)
         rel_obj += '.' + self.environment.get_object_suffix()
         dep_file = rel_obj + '.' + compiler.get_depfile_suffix()
-        if self.environment.coredata.use_pch:
+        if self.environment.coredata.get_builtin_option('use_pch'):
             pchlist = target.get_pch(compiler.language)
         else:
             pchlist = []
@@ -1323,7 +1323,7 @@ rule FORTRAN_DEP_HACK
                     custom_target_include_dirs.append(idir)
         for i in custom_target_include_dirs:
             commands+= compiler.get_include_args(i)
-        if self.environment.coredata.use_pch:
+        if self.environment.coredata.get_builtin_option('use_pch'):
             commands += self.get_pch_include_args(compiler, target)
         crstr = ''
         if target.is_cross:
@@ -1458,7 +1458,7 @@ rule FORTRAN_DEP_HACK
         abspath = os.path.join(self.environment.get_build_dir(), target.subdir)
         commands = []
         commands += linker.get_linker_always_args()
-        commands += linker.get_buildtype_linker_args(self.environment.coredata.buildtype)
+        commands += linker.get_buildtype_linker_args(self.environment.coredata.get_builtin_option('buildtype'))
         commands += linker.get_option_link_args(self.environment.coredata.compiler_options)
         if not(isinstance(target, build.StaticLibrary)):
             commands += self.environment.coredata.external_link_args[linker.get_language()]
@@ -1498,7 +1498,7 @@ rule FORTRAN_DEP_HACK
                         commands += dep.get_link_args()
         commands += linker.build_rpath_args(self.environment.get_build_dir(),\
                                             self.determine_rpath_dirs(target), target.install_rpath)
-        if self.environment.coredata.coverage:
+        if self.environment.coredata.get_builtin_option('coverage'):
             commands += linker.get_coverage_link_args()
         commands += extra_args
         dep_targets = [self.get_dependency_filename(t) for t in dependencies]
@@ -1603,7 +1603,7 @@ rule FORTRAN_DEP_HACK
         elem = NinjaBuildElement('clean', 'CUSTOM_COMMAND', 'PHONY')
         elem.add_item('COMMAND', [ninja_command, '-t', 'clean'])
         elem.add_item('description', 'Cleaning')
-        if self.environment.coredata.coverage:
+        if self.environment.coredata.get_builtin_option('coverage'):
             self.generate_gcov_clean(outfile)
             elem.add_dep('clean-gcda')
             elem.add_dep('clean-gcno')

test cases/common/96 default library/ef.cpp

@@ -0,0 +1,8 @@
+#include"ef.h"
+
+Ef::Ef() : x(99) {
+}
+
+int Ef::get_x() const {
+    return x;
+}

test cases/common/96 default library/ef.h

@@ -0,0 +1,11 @@
+#pragma once
+
+class Ef {
+private:
+    int x;
+
+public:
+
+    Ef();
+    int get_x() const;
+};

test cases/common/96 default library/eftest.cpp

@@ -0,0 +1,14 @@
+#include"ef.h"
+
+#include<iostream>
+
+int main(int, char **) {
+    Ef var;
+    if(var.get_x() == 99) {
+        std::cout << "All is fine.\n";
+        return 0;
+    } else {
+        std::cout << "Something went wrong.\n";
+        return 1;
+    }
+}

test cases/common/96 default library/meson.build

@@ -0,0 +1,5 @@
+project('default library', 'cpp')
+
+flib = default_library('ef', 'ef.cpp')
+exe = executable('eftest', 'eftest.cpp', link_with : flib)
+test('eftest', exe)