# Copyright 2012-2014 The Meson development team # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # http://www.apache.org/licenses/LICENSE-2.0 # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import contextlib import subprocess, os.path import tempfile from .import mesonlib from . import mlog from .mesonlib import MesonException, version_compare from . import coredata """This file contains the data files of all compilers Meson knows about. To support a new compiler, add its information below. Also add corresponding autodetection code in environment.py.""" header_suffixes = ('h', 'hh', 'hpp', 'hxx', 'H', 'ipp', 'moc', 'vapi', 'di') obj_suffixes = ('o', 'obj', 'res') lib_suffixes = ('a', 'lib', 'dll', 'dylib', 'so') # Mapping of language to suffixes of files that should always be in that language # This means we can't include .h headers here since they could be C, C++, ObjC, etc. lang_suffixes = { 'c': ('c',), 'cpp': ('cpp', 'cc', 'cxx', 'c++', 'hh', 'hpp', 'ipp', 'hxx'), 'fortran': ('f', 'f90', 'f95'), 'd': ('d', 'di'), 'objc': ('m',), 'objcpp': ('mm',), 'rust': ('rs',), 'vala': ('vala', 'vapi'), 'cs': ('cs',), 'swift': ('swift',), 'java': ('java',), } cpp_suffixes = lang_suffixes['cpp'] + ('h',) c_suffixes = lang_suffixes['c'] + ('h',) clike_suffixes = lang_suffixes['c'] + lang_suffixes['cpp'] + ('h',) def is_header(fname): if hasattr(fname, 'fname'): fname = fname.fname suffix = fname.split('.')[-1] return suffix in header_suffixes def is_source(fname): if hasattr(fname, 'fname'): fname = fname.fname suffix = fname.split('.')[-1] return suffix in clike_suffixes def is_object(fname): if hasattr(fname, 'fname'): fname = fname.fname suffix = fname.split('.')[-1] return suffix in obj_suffixes def is_library(fname): if hasattr(fname, 'fname'): fname = fname.fname suffix = fname.split('.')[-1] return suffix in lib_suffixes gnulike_buildtype_args = {'plain' : [], # -O0 is passed for improved debugging information with gcc # See https://github.com/mesonbuild/meson/pull/509 'debug' : ['-O0', '-g'], 'debugoptimized' : ['-O2', '-g'], 'release' : ['-O3'], 'minsize' : ['-Os', '-g']} msvc_buildtype_args = {'plain' : [], 'debug' : ["/MDd", "/ZI", "/Ob0", "/Od", "/RTC1"], 'debugoptimized' : ["/MD", "/Zi", "/O2", "/Ob1"], 'release' : ["/MD", "/O2", "/Ob2"], 'minsize' : ["/MD", "/Zi", "/Os", "/Ob1"], } gnulike_buildtype_linker_args = {} if mesonlib.is_osx(): gnulike_buildtype_linker_args.update({'plain' : [], 'debug' : [], 'debugoptimized' : [], 'release' : [], 'minsize' : [], }) else: gnulike_buildtype_linker_args.update({'plain' : [], 'debug' : [], 'debugoptimized' : [], 'release' : ['-Wl,-O1'], 'minsize' : [], }) msvc_buildtype_linker_args = {'plain' : [], 'debug' : [], 'debugoptimized' : [], 'release' : [], 'minsize' : ['/INCREMENTAL:NO'], } java_buildtype_args = {'plain' : [], 'debug' : ['-g'], 'debugoptimized' : ['-g'], 'release' : [], 'minsize' : [], } rust_buildtype_args = {'plain' : [], 'debug' : ['-g'], 'debugoptimized' : ['-g', '--opt-level', '2'], 'release' : ['--opt-level', '3'], 'minsize' : [], } d_gdc_buildtype_args = {'plain' : [], 'debug' : ['-g', '-O0'], 'debugoptimized' : ['-g', '-O'], 'release' : ['-O3', '-frelease'], 'minsize' : [], } d_ldc_buildtype_args = {'plain' : [], 'debug' : ['-g', '-O0'], 'debugoptimized' : ['-g', '-O'], 'release' : ['-O3', '-release'], 'minsize' : [], } d_dmd_buildtype_args = {'plain' : [], 'debug' : ['-g'], 'debugoptimized' : ['-g', '-O'], 'release' : ['-O', '-release'], 'minsize' : [], } mono_buildtype_args = {'plain' : [], 'debug' : ['-debug'], 'debugoptimized': ['-debug', '-optimize+'], 'release' : ['-optimize+'], 'minsize' : [], } swift_buildtype_args = {'plain' : [], 'debug' : ['-g'], 'debugoptimized': ['-g', '-O'], 'release' : ['-O'], 'minsize' : [], } gnu_winlibs = ['-lkernel32', '-luser32', '-lgdi32', '-lwinspool', '-lshell32', '-lole32', '-loleaut32', '-luuid', '-lcomdlg32', '-ladvapi32'] msvc_winlibs = ['kernel32.lib', 'user32.lib', 'gdi32.lib', 'winspool.lib', 'shell32.lib', 'ole32.lib', 'oleaut32.lib', 'uuid.lib', 'comdlg32.lib', 'advapi32.lib'] gnu_color_args = {'auto' : ['-fdiagnostics-color=auto'], 'always': ['-fdiagnostics-color=always'], 'never' : ['-fdiagnostics-color=never'], } base_options = { 'b_pch': coredata.UserBooleanOption('b_pch', 'Use precompiled headers', True), 'b_lto': coredata.UserBooleanOption('b_lto', 'Use link time optimization', False), 'b_sanitize': coredata.UserComboOption('b_sanitize', 'Code sanitizer to use', ['none', 'address', 'thread', 'undefined', 'memory'], 'none'), 'b_lundef': coredata.UserBooleanOption('b_lundef', 'Use -Wl,--no-undefined when linking', True), 'b_asneeded': coredata.UserBooleanOption('b_asneeded', 'Use -Wl,--as-needed when linking', True), 'b_pgo': coredata.UserComboOption('b_pgo', 'Use profile guide optimization', ['off', 'generate', 'use'], 'off'), 'b_coverage': coredata.UserBooleanOption('b_coverage', 'Enable coverage tracking.', False), 'b_colorout' : coredata.UserComboOption('b_colorout', 'Use colored output', ['auto', 'always', 'never'], 'always'), 'b_ndebug' : coredata.UserBooleanOption('b_ndebug', 'Disable asserts', False), 'b_staticpic' : coredata.UserBooleanOption('b_staticpic', 'Build static libraries as position independent', True), } def sanitizer_compile_args(value): if value == 'none': return [] args = ['-fsanitize=' + value] if value == 'address': args.append('-fno-omit-frame-pointer') return args def sanitizer_link_args(value): if value == 'none': return [] args = ['-fsanitize=' + value] return args def get_base_compile_args(options, compiler): args = [] # FIXME, gcc/clang specific. try: if options['b_lto'].value: args.append('-flto') except KeyError: pass try: args += compiler.get_colorout_args(options['b_colorout'].value) except KeyError: pass try: args += sanitizer_compile_args(options['b_sanitize'].value) except KeyError: pass try: pgo_val = options['b_pgo'].value if pgo_val == 'generate': args.append('-fprofile-generate') elif pgo_val == 'use': args.append('-fprofile-use') except KeyError: pass try: if options['b_coverage'].value: args += compiler.get_coverage_args() except KeyError: pass try: if options['b_ndebug'].value: args += ['-DNDEBUG'] except KeyError: pass return args def get_base_link_args(options, linker): args = [] # FIXME, gcc/clang specific. try: if options['b_lto'].value: args.append('-flto') except KeyError: pass try: args += sanitizer_link_args(options['b_sanitize'].value) except KeyError: pass try: pgo_val = options['b_pgo'].value if pgo_val == 'generate': args.append('-fprofile-generate') elif pgo_val == 'use': args.append('-fprofile-use') except KeyError: pass try: if options['b_lundef'].value: args.append('-Wl,--no-undefined') except KeyError: pass try: if options['b_asneeded'].value: args.append('-Wl,--as-needed') except KeyError: pass try: if options['b_coverage'].value: args += linker.get_coverage_link_args() except KeyError: pass return args def build_unix_rpath_args(build_dir, rpath_paths, install_rpath): if len(rpath_paths) == 0 and len(install_rpath) == 0: return [] paths = ':'.join([os.path.join(build_dir, p) for p in rpath_paths]) if len(paths) < len(install_rpath): padding = 'X'*(len(install_rpath) - len(paths)) if len(paths) == 0: paths = padding else: paths = paths + ':' + padding return ['-Wl,-rpath,' + paths] class EnvironmentException(MesonException): def __init(self, *args, **kwargs): Exception.__init__(self, *args, **kwargs) class CrossNoRunException(MesonException): def __init(self, *args, **kwargs): Exception.__init__(self, *args, **kwargs) class RunResult(): def __init__(self, compiled, returncode=999, stdout='UNDEFINED', stderr='UNDEFINED'): self.compiled = compiled self.returncode = returncode self.stdout = stdout self.stderr = stderr class Compiler(): def __init__(self, exelist, version): if type(exelist) == type(''): self.exelist = [exelist] elif type(exelist) == type([]): self.exelist = exelist else: raise TypeError('Unknown argument to Compiler') # In case it's been overriden by a child class already if not hasattr(self, 'file_suffixes'): self.file_suffixes = lang_suffixes[self.language] if not hasattr(self, 'can_compile_suffixes'): self.can_compile_suffixes = set(self.file_suffixes) self.default_suffix = self.file_suffixes[0] self.version = version self.base_options = [] def can_compile(self, src): if hasattr(src, 'fname'): src = src.fname suffix = os.path.splitext(src)[1].lower() if suffix and suffix[1:] in self.can_compile_suffixes: return True return False def get_id(self): return self.id def get_language(self): return self.language def get_default_suffix(self): return self.default_suffix def get_exelist(self): return self.exelist[:] def get_define(self, *args, **kwargs): raise EnvironmentException('%s does not support get_define.' % self.id) def has_define(self, *args, **kwargs): raise EnvironmentException('%s does not support has_define.' % self.id) def get_always_args(self): return [] def get_linker_always_args(self): return [] def gen_import_library_args(self, implibname): """ Used only on Windows for libraries that need an import library. This currently means C, C++, Fortran. """ return [] def get_options(self): return {} # build afresh every time def get_option_compile_args(self, options): return [] def get_option_link_args(self, options): return [] def has_header(self, *args, **kwargs): raise EnvironmentException('Language %s does not support header checks.' % self.language) def has_header_symbol(self, *args, **kwargs): raise EnvironmentException('Language %s does not support header symbol checks.' % self.language) def compiles(self, *args, **kwargs): raise EnvironmentException('Language %s does not support compile checks.' % self.language) def links(self, *args, **kwargs): raise EnvironmentException('Language %s does not support link checks.' % self.language) def run(self, *args, **kwargs): raise EnvironmentException('Language %s does not support run checks.' % self.language) def sizeof(self, *args, **kwargs): raise EnvironmentException('Language %s does not support sizeof checks.' % self.language) def alignment(self, *args, **kwargs): raise EnvironmentException('Language %s does not support alignment checks.' % self.language) def has_function(self, *args, **kwargs): raise EnvironmentException('Language %s does not support function checks.' % self.language) def unix_link_flags_to_native(self, args): "Always returns a copy that can be independently mutated" return args[:] def unix_compile_flags_to_native(self, args): "Always returns a copy that can be independently mutated" return args[:] def find_library(self, *args, **kwargs): raise EnvironmentException('Language {} does not support library finding.'.format(self.language)) def get_library_dirs(self): return [] def has_argument(self, arg): raise EnvironmentException('Language {} does not support has_arg.'.format(self.language)) def get_cross_extra_flags(self, environment, *, compile, link): extra_flags = [] if self.is_cross and environment: if 'properties' in environment.cross_info.config: lang_args_key = self.language + '_args' if compile: extra_flags += environment.cross_info.config['properties'].get(lang_args_key, []) lang_link_args_key = self.language + '_link_args' if link: extra_flags += environment.cross_info.config['properties'].get(lang_link_args_key, []) return extra_flags def get_colorout_args(self, colortype): return [] # Some compilers (msvc) write debug info to a separate file. # These args specify where it should be written. def get_compile_debugfile_args(self, rel_obj): return [] def get_link_debugfile_args(self, rel_obj): return [] class CCompiler(Compiler): def __init__(self, exelist, version, is_cross, exe_wrapper=None): # If a child ObjC or CPP class has already set it, don't set it ourselves if not hasattr(self, 'language'): self.language = 'c' super().__init__(exelist, version) self.id = 'unknown' self.is_cross = is_cross self.can_compile_suffixes.add('h') if isinstance(exe_wrapper, str): self.exe_wrapper = [exe_wrapper] else: self.exe_wrapper = exe_wrapper def needs_static_linker(self): return True # When compiling static libraries, so yes. def get_always_args(self): return [] def get_linker_debug_crt_args(self): """ Arguments needed to select a debug crt for the linker This is only needed for MSVC """ return [] def get_no_stdinc_args(self): return ['-nostdinc'] def get_no_stdlib_link_args(self): return ['-nostdlib'] def get_warn_args(self, level): return self.warn_args[level] def get_no_warn_args(self): # Almost every compiler uses this for disabling warnings return ['-w'] def get_soname_args(self, prefix, shlib_name, suffix, path, soversion): return [] def split_shlib_to_parts(self, fname): return (None, fname) # The default behaviour is this, override in # OSX and MSVC. def build_rpath_args(self, build_dir, rpath_paths, install_rpath): return build_unix_rpath_args(build_dir, rpath_paths, install_rpath) def get_dependency_gen_args(self, outtarget, outfile): return ['-MMD', '-MQ', outtarget, '-MF', outfile] def depfile_for_object(self, objfile): return objfile + '.' + self.get_depfile_suffix() def get_depfile_suffix(self): return 'd' def get_exelist(self): return self.exelist[:] def get_linker_exelist(self): return self.exelist[:] def get_compile_only_args(self): return ['-c'] def get_no_optimization_args(self): return ['-O0'] def get_output_args(self, target): return ['-o', target] def get_linker_output_args(self, outputname): return ['-o', outputname] def get_coverage_args(self): return ['--coverage'] def get_coverage_link_args(self): return ['-lgcov'] def get_werror_args(self): return ['-Werror'] def get_std_exe_link_args(self): return [] def get_include_args(self, path, is_system): if path == '': path = '.' if is_system: return ['-isystem', path] return ['-I' + path] def get_std_shared_lib_link_args(self): return ['-shared'] def get_library_dirs(self): output = subprocess.Popen(self.exelist + ['--print-search-dirs'], stdout=subprocess.PIPE, stderr=subprocess.DEVNULL) (stdo, _) = output.communicate() stdo = stdo.decode('utf-8') for line in stdo.split('\n'): if line.startswith('libraries:'): libstr = line.split('=', 1)[1] return libstr.split(':') return [] def get_pic_args(self): return ['-fPIC'] def name_string(self): return ' '.join(self.exelist) def get_pch_use_args(self, pch_dir, header): return ['-include', os.path.split(header)[-1]] def get_pch_name(self, header_name): return os.path.split(header_name)[-1] + '.' + self.get_pch_suffix() def get_linker_search_args(self, dirname): return ['-L'+dirname] def gen_import_library_args(self, implibname): """ The name of the outputted import library This implementation is used only on Windows by compilers that use GNU ld """ return ['-Wl,--out-implib=' + implibname] def sanity_check_impl(self, work_dir, environment, sname, code): mlog.debug('Sanity testing ' + self.language + ' compiler:', ' '.join(self.exelist)) mlog.debug('Is cross compiler: %s.' % str(self.is_cross)) extra_flags = [] source_name = os.path.join(work_dir, sname) binname = sname.rsplit('.', 1)[0] if self.is_cross: binname += '_cross' if self.exe_wrapper is None: # Linking cross built apps is painful. You can't really # tell if you should use -nostdlib or not and for example # on OSX the compiler binary is the same but you need # a ton of compiler flags to differentiate between # arm and x86_64. So just compile. extra_flags += self.get_cross_extra_flags(environment, compile=True, link=False) extra_flags += self.get_compile_only_args() else: extra_flags += self.get_cross_extra_flags(environment, compile=True, link=True) # Is a valid executable output for all toolchains and platforms binname += '.exe' # Write binary check source binary_name = os.path.join(work_dir, binname) with open(source_name, 'w') as ofile: ofile.write(code) # Compile sanity check cmdlist = self.exelist + extra_flags + [source_name] + self.get_output_args(binary_name) pc = subprocess.Popen(cmdlist, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=work_dir) (stdo, stde) = pc.communicate() stdo = stdo.decode() stde = stde.decode() mlog.debug('Sanity check compiler command line:', ' '.join(cmdlist)) mlog.debug('Sanity check compile stdout:') mlog.debug(stdo) mlog.debug('-----\nSanity check compile stderr:') mlog.debug(stde) mlog.debug('-----') if pc.returncode != 0: raise EnvironmentException('Compiler {0} can not compile programs.'.format(self.name_string())) # Run sanity check if self.is_cross: if self.exe_wrapper is None: # Can't check if the binaries run so we have to assume they do return cmdlist = self.exe_wrapper + [binary_name] else: cmdlist = [binary_name] mlog.debug('Running test binary command: ' + ' '.join(cmdlist)) pe = subprocess.Popen(cmdlist) pe.wait() if pe.returncode != 0: raise EnvironmentException('Executables created by {0} compiler {1} are not runnable.'.format(self.language, self.name_string())) def sanity_check(self, work_dir, environment): code = 'int main(int argc, char **argv) { int class=0; return class; }\n' return self.sanity_check_impl(work_dir, environment, 'sanitycheckc.c', code) def has_header(self, hname, env, extra_args=None, dependencies=None): if extra_args is None: extra_args = [] templ = '''#include<%s> int someSymbolHereJustForFun; ''' return self.compiles(templ % hname, env, extra_args, dependencies) def has_header_symbol(self, hname, symbol, prefix, env, extra_args=None, dependencies=None): if extra_args is None: extra_args = [] templ = '''{2} #include <{0}> int main () {{ {1}; }}''' # Pass -O0 to ensure that the symbol isn't optimized away args = extra_args + self.get_no_optimization_args() return self.compiles(templ.format(hname, symbol, prefix), env, args, dependencies) @contextlib.contextmanager def compile(self, code, extra_args=None): if extra_args is None: extra_args = [] try: with tempfile.TemporaryDirectory() as tmpdirname: if isinstance(code, str): srcname = os.path.join(tmpdirname, 'testfile.' + self.default_suffix) with open(srcname, 'w') as ofile: ofile.write(code) elif isinstance(code, mesonlib.File): srcname = code.fname # Extension only matters if running results; '.exe' is # guaranteed to be executable on every platform. output = os.path.join(tmpdirname, 'output.exe') commands = self.get_exelist() commands.append(srcname) commands += extra_args commands += self.get_output_args(output) mlog.debug('Running compile:') mlog.debug('Working directory: ', tmpdirname) mlog.debug('Command line: ', ' '.join(commands), '\n') mlog.debug('Code:\n', code) p = subprocess.Popen(commands, cwd=tmpdirname, stdout=subprocess.PIPE, stderr=subprocess.PIPE) (stde, stdo) = p.communicate() stde = stde.decode() stdo = stdo.decode() mlog.debug('Compiler stdout:\n', stdo) mlog.debug('Compiler stderr:\n', stde) p.input_name = srcname p.output_name = output yield p except (PermissionError, OSError): # On Windows antivirus programs and the like hold on to files so # they can't be deleted. There's not much to do in this case. Also, # catch OSError because the directory is then no longer empty. pass def compiles(self, code, env, extra_args=None, dependencies=None): if extra_args is None: extra_args = [] if isinstance(extra_args, str): extra_args = [extra_args] if dependencies is None: dependencies = [] elif not isinstance(dependencies, list): dependencies = [dependencies] cargs = [a for d in dependencies for a in d.get_compile_args()] # Convert flags to the native type of the selected compiler args = self.unix_link_flags_to_native(cargs + extra_args) # Read c_args/cpp_args/etc from the cross-info file (if needed) args += self.get_cross_extra_flags(env, compile=True, link=False) # We only want to compile; not link args += self.get_compile_only_args() with self.compile(code, args) as p: return p.returncode == 0 def links(self, code, env, extra_args=None, dependencies=None): if extra_args is None: extra_args = [] elif isinstance(extra_args, str): extra_args = [extra_args] if dependencies is None: dependencies = [] elif not isinstance(dependencies, list): dependencies = [dependencies] cargs = [a for d in dependencies for a in d.get_compile_args()] link_args = [a for d in dependencies for a in d.get_link_args()] # Convert flags to the native type of the selected compiler args = self.unix_link_flags_to_native(cargs + link_args + extra_args) # Select a CRT if needed since we're linking args += self.get_linker_debug_crt_args() # Read c_args/c_link_args/cpp_args/cpp_link_args/etc from the cross-info file (if needed) args += self.get_cross_extra_flags(env, compile=True, link=True) with self.compile(code, args) as p: return p.returncode == 0 def run(self, code, env, extra_args=None, dependencies=None): if extra_args is None: extra_args = [] if dependencies is None: dependencies = [] elif not isinstance(dependencies, list): dependencies = [dependencies] if self.is_cross and self.exe_wrapper is None: raise CrossNoRunException('Can not run test applications in this cross environment.') cargs = [a for d in dependencies for a in d.get_compile_args()] link_args = [a for d in dependencies for a in d.get_link_args()] # Convert flags to the native type of the selected compiler args = self.unix_link_flags_to_native(cargs + link_args + extra_args) # Select a CRT if needed since we're linking args += self.get_linker_debug_crt_args() # Read c_link_args/cpp_link_args/etc from the cross-info file args += self.get_cross_extra_flags(env, compile=True, link=True) with self.compile(code, args) as p: if p.returncode != 0: mlog.debug('Could not compile test file %s: %d\n' % ( p.input_name, p.returncode)) return RunResult(False) if self.is_cross: cmdlist = self.exe_wrapper + [p.output_name] else: cmdlist = p.output_name try: pe = subprocess.Popen(cmdlist, stdout=subprocess.PIPE, stderr=subprocess.PIPE) except Exception as e: mlog.debug('Could not run: %s (error: %s)\n' % (cmdlist, e)) return RunResult(False) (so, se) = pe.communicate() so = so.decode() se = se.decode() mlog.debug('Program stdout:\n') mlog.debug(so) mlog.debug('Program stderr:\n') mlog.debug(se) return RunResult(True, pe.returncode, so, se) def cross_sizeof(self, element, prefix, env, extra_args=None, dependencies=None): if extra_args is None: extra_args = [] element_exists_templ = '''#include {0} int main(int argc, char **argv) {{ {1} something; }} ''' templ = '''#include %s int temparray[%d-sizeof(%s)]; ''' args = extra_args + self.get_no_optimization_args() if not self.compiles(element_exists_templ.format(prefix, element), env, args, dependencies): return -1 for i in range(1, 1024): code = templ % (prefix, i, element) if self.compiles(code, env, args, dependencies): if self.id == 'msvc': # MSVC refuses to construct an array of zero size, so # the test only succeeds when i is sizeof(element) + 1 return i - 1 return i raise EnvironmentException('Cross checking sizeof overflowed.') def sizeof(self, element, prefix, env, extra_args=None, dependencies=None): if extra_args is None: extra_args = [] if self.is_cross: return self.cross_sizeof(element, prefix, env, extra_args, dependencies) templ = '''#include %s int main(int argc, char **argv) { printf("%%ld\\n", (long)(sizeof(%s))); return 0; }; ''' res = self.run(templ % (prefix, element), env, extra_args, dependencies) if not res.compiled: return -1 if res.returncode != 0: raise EnvironmentException('Could not run sizeof test binary.') return int(res.stdout) def cross_alignment(self, typename, env, extra_args=None, dependencies=None): if extra_args is None: extra_args = [] type_exists_templ = '''#include int main(int argc, char **argv) {{ {0} something; }} ''' templ = '''#include struct tmp { char c; %s target; }; int testarray[%d-offsetof(struct tmp, target)]; ''' args = extra_args + self.get_no_optimization_args() if not self.compiles(type_exists_templ.format(typename), env, args, dependencies): return -1 for i in range(1, 1024): code = templ % (typename, i) if self.compiles(code, env, args, dependencies): if self.id == 'msvc': # MSVC refuses to construct an array of zero size, so # the test only succeeds when i is sizeof(element) + 1 return i - 1 return i raise EnvironmentException('Cross checking offsetof overflowed.') def alignment(self, typename, env, extra_args=None, dependencies=None): if extra_args is None: extra_args = [] if self.is_cross: return self.cross_alignment(typename, env, extra_args, dependencies) templ = '''#include #include struct tmp { char c; %s target; }; int main(int argc, char **argv) { printf("%%d", (int)offsetof(struct tmp, target)); return 0; } ''' res = self.run(templ % typename, env, extra_args, dependencies) if not res.compiled: raise EnvironmentException('Could not compile alignment test.') if res.returncode != 0: raise EnvironmentException('Could not run alignment test binary.') align = int(res.stdout) if align == 0: raise EnvironmentException('Could not determine alignment of %s. Sorry. You might want to file a bug.' % typename) return align @staticmethod def _no_prototype_templ(): """ Try to find the function without a prototype from a header by defining our own dummy prototype and trying to link with the C library (and whatever else the compiler links in by default). This is very similar to the check performed by Autoconf for AC_CHECK_FUNCS. """ # Define the symbol to something else since it is defined by the # includes or defines listed by the user (prefix -> {0}) or by the # compiler. Then, undef the symbol to get rid of it completely. head = ''' #define {1} meson_disable_define_of_{1} #include {0} #undef {1} ''' # Override any GCC internal prototype and declare our own definition for # the symbol. Use char because that's unlikely to be an actual return # value for a function which ensures that we override the definition. head += ''' #ifdef __cplusplus extern "C" #endif char {1} (); ''' # The actual function call main = ''' int main () {{ return {1} (); }}''' return head, main @staticmethod def _have_prototype_templ(): """ Returns a head-er and main() call that uses the headers listed by the user for the function prototype while checking if a function exists. """ # Add the 'prefix', aka defines, includes, etc that the user provides head = '#include \n{0}\n' # We don't know what the function takes or returns, so try to use it as # a function pointer main = '\nint main() {{ int a = (int) &{1}; }}' return head, main def has_function(self, funcname, prefix, env, extra_args=None, dependencies=None): """ First, this function looks for the symbol in the default libraries provided by the compiler (stdlib + a few others usually). If that fails, it checks if any of the headers specified in the prefix provide an implementation of the function, and if that fails, it checks if it's implemented as a compiler-builtin. """ if extra_args is None: extra_args = [] # Short-circuit if the check is already provided by the cross-info file varname = 'has function ' + funcname varname = varname.replace(' ', '_') if self.is_cross: val = env.cross_info.config['properties'].get(varname, None) if val is not None: if isinstance(val, bool): return val raise EnvironmentException('Cross variable {0} is not a boolean.'.format(varname)) # glibc defines functions that are not available on Linux as stubs that # fail with ENOSYS (such as e.g. lchmod). In this case we want to fail # instead of detecting the stub as a valid symbol. # We already included limits.h earlier to ensure that these are defined # for stub functions. stubs_fail = ''' #if defined __stub_{1} || defined __stub___{1} fail fail fail this function is not going to work #endif ''' # If we have any includes in the prefix supplied by the user, assume # that the user wants us to use the symbol prototype defined in those # includes. If not, then try to do the Autoconf-style check with # a dummy prototype definition of our own. # This is needed when the linker determines symbol availability from an # SDK based on the prototype in the header provided by the SDK. # Ignoring this prototype would result in the symbol always being # marked as available. if '#include' in prefix: head, main = self._have_prototype_templ() else: head, main = self._no_prototype_templ() templ = head + stubs_fail + main # Add -O0 to ensure that the symbol isn't optimized away by the compiler args = extra_args + self.get_no_optimization_args() if self.links(templ.format(prefix, funcname), env, extra_args, dependencies): return True # Some functions like alloca() are defined as compiler built-ins which # are inlined by the compiler, so test for that instead. Built-ins are # special functions that ignore all includes and defines, so we just # directly try to link via main(). return self.links('int main() {{ {0}; }}'.format('__builtin_' + funcname), env, args, dependencies) def has_members(self, typename, membernames, prefix, env, extra_args=None, dependencies=None): if extra_args is None: extra_args = [] templ = '''{0} void bar() {{ {1} {2}; {3} }}; ''' # Create code that accesses all members members = '' for m in membernames: members += 'foo.{};\n'.format(m) code = templ.format(prefix, typename, 'foo', members) return self.compiles(code, env, extra_args, dependencies) def has_type(self, typename, prefix, env, extra_args, dependencies=None): templ = '''%s void bar() { sizeof(%s); }; ''' return self.compiles(templ % (prefix, typename), env, extra_args, dependencies) def find_library(self, libname, env, extra_dirs): # First try if we can just add the library as -l. code = '''int main(int argc, char **argv) { return 0; } ''' if extra_dirs and isinstance(extra_dirs, str): extra_dirs = [extra_dirs] # Gcc + co seem to prefer builtin lib dirs to -L dirs. # Only try to find std libs if no extra dirs specified. if len(extra_dirs) == 0: args = ['-l' + libname] if self.links(code, env, extra_args=args): return args # Not found? Try to find the library file itself. extra_dirs += self.get_library_dirs() suffixes = ['so', 'dylib', 'lib', 'dll', 'a'] for d in extra_dirs: for suffix in suffixes: trial = os.path.join(d, 'lib' + libname + '.' + suffix) if os.path.isfile(trial): return trial trial2 = os.path.join(d, libname + '.' + suffix) if os.path.isfile(trial2): return trial2 return None def thread_flags(self): return ['-pthread'] def thread_link_flags(self): return ['-pthread'] def has_argument(self, arg, env): return self.compiles('int i;\n', env, extra_args=arg) class CPPCompiler(CCompiler): def __init__(self, exelist, version, is_cross, exe_wrap): # If a child ObjCPP class has already set it, don't set it ourselves if not hasattr(self, 'language'): self.language = 'cpp' CCompiler.__init__(self, exelist, version, is_cross, exe_wrap) def sanity_check(self, work_dir, environment): code = 'class breakCCompiler;int main(int argc, char **argv) { return 0; }\n' return self.sanity_check_impl(work_dir, environment, 'sanitycheckcpp.cc', code) class ObjCCompiler(CCompiler): def __init__(self, exelist, version, is_cross, exe_wrap): self.language = 'objc' CCompiler.__init__(self, exelist, version, is_cross, exe_wrap) def sanity_check(self, work_dir, environment): # TODO try to use sanity_check_impl instead of duplicated code source_name = os.path.join(work_dir, 'sanitycheckobjc.m') binary_name = os.path.join(work_dir, 'sanitycheckobjc') extra_flags = self.get_cross_extra_flags(environment, compile=True, link=False) if self.is_cross: extra_flags += self.get_compile_only_args() with open(source_name, 'w') as ofile: ofile.write('#import\n' 'int main(int argc, char **argv) { return 0; }\n') pc = subprocess.Popen(self.exelist + extra_flags + [source_name, '-o', binary_name]) pc.wait() if pc.returncode != 0: raise EnvironmentException('ObjC compiler %s can not compile programs.' % self.name_string()) if self.is_cross: # Can't check if the binaries run so we have to assume they do return pe = subprocess.Popen(binary_name) pe.wait() if pe.returncode != 0: raise EnvironmentException('Executables created by ObjC compiler %s are not runnable.' % self.name_string()) class ObjCPPCompiler(CPPCompiler): def __init__(self, exelist, version, is_cross, exe_wrap): self.language = 'objcpp' CPPCompiler.__init__(self, exelist, version, is_cross, exe_wrap) def sanity_check(self, work_dir, environment): # TODO try to use sanity_check_impl instead of duplicated code source_name = os.path.join(work_dir, 'sanitycheckobjcpp.mm') binary_name = os.path.join(work_dir, 'sanitycheckobjcpp') extra_flags = self.get_cross_extra_flags(environment, compile=True, link=False) if self.is_cross: extra_flags += self.get_compile_only_args() with open(source_name, 'w') as ofile: ofile.write('#import\n' 'class MyClass;' 'int main(int argc, char **argv) { return 0; }\n') pc = subprocess.Popen(self.exelist + extra_flags + [source_name, '-o', binary_name]) pc.wait() if pc.returncode != 0: raise EnvironmentException('ObjC++ compiler %s can not compile programs.' % self.name_string()) if self.is_cross: # Can't check if the binaries run so we have to assume they do return pe = subprocess.Popen(binary_name) pe.wait() if pe.returncode != 0: raise EnvironmentException('Executables created by ObjC++ compiler %s are not runnable.' % self.name_string()) class MonoCompiler(Compiler): def __init__(self, exelist, version): self.language = 'cs' super().__init__(exelist, version) self.id = 'mono' self.monorunner = 'mono' def get_output_args(self, fname): return ['-out:' + fname] def get_link_args(self, fname): return ['-r:' + fname] def get_soname_args(self, prefix, shlib_name, suffix, path, soversion): return [] def get_werror_args(self): return ['-warnaserror'] def split_shlib_to_parts(self, fname): return (None, fname) def build_rpath_args(self, build_dir, rpath_paths, install_rpath): return [] def get_dependency_gen_args(self, outtarget, outfile): return [] def get_linker_exelist(self): return self.exelist[:] def get_compile_only_args(self): return [] def get_linker_output_args(self, outputname): return [] def get_coverage_args(self): return [] def get_coverage_link_args(self): return [] def get_std_exe_link_args(self): return [] def get_include_args(self, path): return [] def get_std_shared_lib_link_args(self): return [] def get_pic_args(self): return [] def name_string(self): return ' '.join(self.exelist) def get_pch_use_args(self, pch_dir, header): return [] def get_pch_name(self, header_name): return '' def sanity_check(self, work_dir, environment): src = 'sanity.cs' obj = 'sanity.exe' source_name = os.path.join(work_dir, src) with open(source_name, 'w') as ofile: ofile.write('''public class Sanity { static public void Main () { } } ''') pc = subprocess.Popen(self.exelist + [src], cwd=work_dir) pc.wait() if pc.returncode != 0: raise EnvironmentException('Mono compiler %s can not compile programs.' % self.name_string()) cmdlist = [self.monorunner, obj] pe = subprocess.Popen(cmdlist, cwd=work_dir) pe.wait() if pe.returncode != 0: raise EnvironmentException('Executables created by Mono compiler %s are not runnable.' % self.name_string()) def needs_static_linker(self): return False def get_buildtype_args(self, buildtype): return mono_buildtype_args[buildtype] class JavaCompiler(Compiler): def __init__(self, exelist, version): self.language = 'java' super().__init__(exelist, version) self.id = 'unknown' self.javarunner = 'java' def get_soname_args(self, prefix, shlib_name, suffix, path, soversion): return [] def get_werror_args(self): return ['-Werror'] def split_shlib_to_parts(self, fname): return (None, fname) def build_rpath_args(self, build_dir, rpath_paths, install_rpath): return [] def get_dependency_gen_args(self, outtarget, outfile): return [] def get_linker_exelist(self): return self.exelist[:] def get_compile_only_args(self): return [] def get_output_args(self, subdir): if subdir == '': subdir = './' return ['-d', subdir, '-s', subdir] def get_linker_output_args(self, outputname): return [] def get_coverage_args(self): return [] def get_coverage_link_args(self): return [] def get_std_exe_link_args(self): return [] def get_include_args(self, path): return [] def get_std_shared_lib_link_args(self): return [] def get_pic_args(self): return [] def name_string(self): return ' '.join(self.exelist) def get_pch_use_args(self, pch_dir, header): return [] def get_pch_name(self, header_name): return '' def get_buildtype_args(self, buildtype): return java_buildtype_args[buildtype] def sanity_check(self, work_dir, environment): src = 'SanityCheck.java' obj = 'SanityCheck' source_name = os.path.join(work_dir, src) with open(source_name, 'w') as ofile: ofile.write('''class SanityCheck { public static void main(String[] args) { int i; } } ''') pc = subprocess.Popen(self.exelist + [src], cwd=work_dir) pc.wait() if pc.returncode != 0: raise EnvironmentException('Java compiler %s can not compile programs.' % self.name_string()) cmdlist = [self.javarunner, obj] pe = subprocess.Popen(cmdlist, cwd=work_dir) pe.wait() if pe.returncode != 0: raise EnvironmentException('Executables created by Java compiler %s are not runnable.' % self.name_string()) def needs_static_linker(self): return False class ValaCompiler(Compiler): def __init__(self, exelist, version): self.language = 'vala' super().__init__(exelist, version) self.version = version self.id = 'valac' self.is_cross = False def name_string(self): return ' '.join(self.exelist) def needs_static_linker(self): return False # Because compiles into C. def get_werror_args(self): return ['--fatal-warnings'] def sanity_check(self, work_dir, environment): src = 'valatest.vala' source_name = os.path.join(work_dir, src) with open(source_name, 'w') as ofile: ofile.write('''class SanityCheck : Object { } ''') extra_flags = self.get_cross_extra_flags(environment, compile=True, link=False) pc = subprocess.Popen(self.exelist + extra_flags + ['-C', '-c', src], cwd=work_dir) pc.wait() if pc.returncode != 0: raise EnvironmentException('Vala compiler %s can not compile programs.' % self.name_string()) def get_buildtype_args(self, buildtype): if buildtype == 'debug' or buildtype == 'debugoptimized' or buildtype == 'minsize': return ['--debug'] return [] class RustCompiler(Compiler): def __init__(self, exelist, version): self.language = 'rust' super().__init__(exelist, version) self.id = 'rustc' def needs_static_linker(self): return False def name_string(self): return ' '.join(self.exelist) def sanity_check(self, work_dir, environment): source_name = os.path.join(work_dir, 'sanity.rs') output_name = os.path.join(work_dir, 'rusttest') with open(source_name, 'w') as ofile: ofile.write('''fn main() { } ''') pc = subprocess.Popen(self.exelist + ['-o', output_name, source_name], cwd=work_dir) pc.wait() if pc.returncode != 0: raise EnvironmentException('Rust compiler %s can not compile programs.' % self.name_string()) if subprocess.call(output_name) != 0: raise EnvironmentException('Executables created by Rust compiler %s are not runnable.' % self.name_string()) def get_dependency_gen_args(self, outfile): return ['--dep-info', outfile] def get_buildtype_args(self, buildtype): return rust_buildtype_args[buildtype] class SwiftCompiler(Compiler): def __init__(self, exelist, version): self.language = 'swift' super().__init__(exelist, version) self.version = version self.id = 'llvm' self.is_cross = False def get_linker_exelist(self): return self.exelist[:] def name_string(self): return ' '.join(self.exelist) def needs_static_linker(self): return True def get_werror_args(self): return ['--fatal-warnings'] def get_dependency_gen_args(self, outtarget, outfile): return ['-emit-dependencies'] def depfile_for_object(self, objfile): return os.path.splitext(objfile)[0] + '.' + self.get_depfile_suffix() def get_depfile_suffix(self): return 'd' def get_output_args(self, target): return ['-o', target] def get_linker_output_args(self, target): return ['-o', target] def get_header_import_args(self, headername): return ['-import-objc-header', headername] def get_warn_args(self, level): return [] def get_buildtype_args(self, buildtype): return swift_buildtype_args[buildtype] def get_buildtype_linker_args(self, buildtype): return [] def get_std_exe_link_args(self): return ['-emit-executable'] def get_module_args(self, modname): return ['-module-name', modname] def get_mod_gen_args(self): return ['-emit-module'] def build_rpath_args(self, *args): return [] # FIXME def get_include_args(self, dirname): return ['-I' + dirname] def get_compile_only_args(self): return ['-c'] def sanity_check(self, work_dir, environment): src = 'swifttest.swift' source_name = os.path.join(work_dir, src) output_name = os.path.join(work_dir, 'swifttest') with open(source_name, 'w') as ofile: ofile.write('''1 + 2 ''') extra_flags = self.get_cross_extra_flags(environment, compile=True, link=True) pc = subprocess.Popen(self.exelist + extra_flags + ['-emit-executable', '-o', output_name, src], cwd=work_dir) pc.wait() if pc.returncode != 0: raise EnvironmentException('Swift compiler %s can not compile programs.' % self.name_string()) if subprocess.call(output_name) != 0: raise EnvironmentException('Executables created by Swift compiler %s are not runnable.' % self.name_string()) class DCompiler(Compiler): def __init__(self, exelist, version, is_cross): self.language = 'd' super().__init__(exelist, version) self.id = 'unknown' self.is_cross = is_cross def sanity_check(self, work_dir, environment): source_name = os.path.join(work_dir, 'sanity.d') output_name = os.path.join(work_dir, 'dtest') with open(source_name, 'w') as ofile: ofile.write('''void main() { } ''') pc = subprocess.Popen(self.exelist + self.get_output_args(output_name) + [source_name], cwd=work_dir) pc.wait() if pc.returncode != 0: raise EnvironmentException('D compiler %s can not compile programs.' % self.name_string()) if subprocess.call(output_name) != 0: raise EnvironmentException('Executables created by D compiler %s are not runnable.' % self.name_string()) def needs_static_linker(self): return True def name_string(self): return ' '.join(self.exelist) def get_linker_exelist(self): return self.exelist[:] def depfile_for_object(self, objfile): return objfile + '.' + self.get_depfile_suffix() def get_depfile_suffix(self): return 'dep' def get_pic_args(self): return ['-fPIC'] def get_std_shared_lib_link_args(self): return ['-shared'] def get_soname_args(self, prefix, shlib_name, suffix, path, soversion): return [] def get_unittest_args(self): return ['-unittest'] def get_buildtype_linker_args(self, buildtype): return [] def get_std_exe_link_args(self): return [] def build_rpath_args(self, build_dir, rpath_paths, install_rpath): # This method is to be used by LDC and DMD. # GDC can deal with the verbatim flags. if len(rpath_paths) == 0 and len(install_rpath) == 0: return [] paths = ':'.join([os.path.join(build_dir, p) for p in rpath_paths]) if len(paths) < len(install_rpath): padding = 'X'*(len(install_rpath) - len(paths)) if len(paths) == 0: paths = padding else: paths = paths + ':' + padding return ['-L-rpath={}'.format(paths)] def translate_args_to_nongnu(self, args): dcargs = [] # Translate common arguments to flags the LDC/DMD compilers # can understand. # The flags might have been added by pkg-config files, # and are therefore out of the user's control. for arg in args: if arg == '-pthread': continue if arg.startswith('-Wl,'): linkargs = arg[arg.index(',')+1:].split(',') for la in linkargs: dcargs.append('-L' + la.strip()) continue elif arg.startswith('-l'): # translate library link flag dcargs.append('-L' + arg) continue dcargs.append(arg) return dcargs class GnuDCompiler(DCompiler): def __init__(self, exelist, version, is_cross): DCompiler.__init__(self, exelist, version, is_cross) self.id = 'gcc' self.warn_args = {'1': ['-Wall', '-Wdeprecated'], '2': ['-Wall', '-Wextra', '-Wdeprecated'], '3': ['-Wall', '-Wextra', '-Wdeprecated', '-Wpedantic']} self.base_options = ['b_colorout', 'b_sanitize', 'b_staticpic'] def get_colorout_args(self, colortype): if mesonlib.version_compare(self.version, '>=4.9.0'): return gnu_color_args[colortype][:] return [] def get_dependency_gen_args(self, outtarget, outfile): # FIXME: Passing -fmake-deps results in a file-not-found message. # Investigate why. return [] def get_output_args(self, target): return ['-o', target] def get_compile_only_args(self): return ['-c'] def get_linker_output_args(self, target): return ['-o', target] def get_include_args(self, path, is_system): return ['-I' + path] def get_warn_args(self, level): return self.warn_args[level] def get_werror_args(self): return ['-Werror'] def get_linker_search_args(self, dirname): return ['-L'+dirname] def get_buildtype_args(self, buildtype): return d_gdc_buildtype_args[buildtype] def build_rpath_args(self, build_dir, rpath_paths, install_rpath): return build_unix_rpath_args(build_dir, rpath_paths, install_rpath) def get_unittest_args(self): return ['-funittest'] class LLVMDCompiler(DCompiler): def __init__(self, exelist, version, is_cross): DCompiler.__init__(self, exelist, version, is_cross) self.id = 'llvm' self.base_options = ['b_coverage', 'b_colorout'] def get_colorout_args(self, colortype): if colortype == 'always': return ['-enable-color'] return [] def get_dependency_gen_args(self, outtarget, outfile): # LDC using the -deps flag returns a non-Makefile dependency-info file, which # the backends can not use. So we disable this feature for now. return [] def get_output_args(self, target): return ['-of', target] def get_compile_only_args(self): return ['-c'] def get_linker_output_args(self, target): return ['-of', target] def get_include_args(self, path, is_system): return ['-I' + path] def get_warn_args(self, level): if level == '2': return ['-wi'] else: return ['-w'] def get_coverage_args(self): return ['-cov'] def get_buildtype_args(self, buildtype): return d_ldc_buildtype_args[buildtype] def get_pic_args(self): return ['-relocation-model=pic'] def get_linker_search_args(self, dirname): # -L is recognized as "add this to the search path" by the linker, # while the compiler recognizes it as "pass to linker". So, the first # -L is for the compiler, telling it to pass the second -L to the linker. return ['-L-L'+dirname] def unix_link_flags_to_native(self, args): return self.translate_args_to_nongnu(args) def unix_compile_flags_to_native(self, args): return self.translate_args_to_nongnu(args) class DmdDCompiler(DCompiler): def __init__(self, exelist, version, is_cross): DCompiler.__init__(self, exelist, version, is_cross) self.id = 'dmd' self.base_options = ['b_coverage', 'b_colorout'] def get_colorout_args(self, colortype): if colortype == 'always': return ['-color=on'] return [] def get_dependency_gen_args(self, outtarget, outfile): # LDC using the -deps flag returns a non-Makefile dependency-info file, which # the backends can not use. So we disable this feature for now. return [] def get_output_args(self, target): return ['-of' + target] def get_werror_args(self): return ['-w'] def get_compile_only_args(self): return ['-c'] def get_linker_output_args(self, target): return ['-of' + target] def get_include_args(self, path, is_system): return ['-I' + path] def get_warn_args(self, level): return [] def get_coverage_args(self): return ['-cov'] def get_linker_search_args(self, dirname): # -L is recognized as "add this to the search path" by the linker, # while the compiler recognizes it as "pass to linker". So, the first # -L is for the compiler, telling it to pass the second -L to the linker. return ['-L-L'+dirname] def get_buildtype_args(self, buildtype): return d_dmd_buildtype_args[buildtype] def get_std_shared_lib_link_args(self): return ['-shared', '-defaultlib=libphobos2.so'] def unix_link_flags_to_native(self, args): return self.translate_args_to_nongnu(args) def unix_compile_flags_to_native(self, args): return self.translate_args_to_nongnu(args) class VisualStudioCCompiler(CCompiler): std_warn_args = ['/W3'] std_opt_args= ['/O2'] def __init__(self, exelist, version, is_cross, exe_wrap): CCompiler.__init__(self, exelist, version, is_cross, exe_wrap) self.id = 'msvc' self.always_args = ['/nologo', '/showIncludes'] self.warn_args = {'1': ['/W2'], '2': ['/W3'], '3': ['/W4']} self.base_options = ['b_pch'] # FIXME add lto, pgo and the like def get_always_args(self): return self.always_args def get_linker_debug_crt_args(self): """ Arguments needed to select a debug crt for the linker Sometimes we need to manually select the CRT (C runtime) to use with MSVC. One example is when trying to link with static libraries since MSVC won't auto-select a CRT for us in that case and will error out asking us to select one. """ return ['/MDd'] def get_buildtype_args(self, buildtype): return msvc_buildtype_args[buildtype] def get_buildtype_linker_args(self, buildtype): return msvc_buildtype_linker_args[buildtype] def get_pch_suffix(self): return 'pch' def get_pch_name(self, header): chopped = os.path.split(header)[-1].split('.')[:-1] chopped.append(self.get_pch_suffix()) pchname = '.'.join(chopped) return pchname def get_pch_use_args(self, pch_dir, header): base = os.path.split(header)[-1] pchname = self.get_pch_name(header) return ['/FI' + base, '/Yu' + base, '/Fp' + os.path.join(pch_dir, pchname)] def get_compile_only_args(self): return ['/c'] def get_no_optimization_args(self): return ['/Od'] def get_output_args(self, target): if target.endswith('.exe'): return ['/Fe' + target] return ['/Fo' + target] def get_dependency_gen_args(self, outtarget, outfile): return [] def get_linker_exelist(self): return ['link'] # FIXME, should have same path as compiler. def get_linker_always_args(self): return ['/nologo'] def get_linker_output_args(self, outputname): return ['/OUT:' + outputname] def get_linker_search_args(self, dirname): return ['/LIBPATH:' + dirname] def get_pic_args(self): return [] # PIC is handled by the loader on Windows def get_std_shared_lib_link_args(self): return ['/DLL'] def gen_vs_module_defs_args(self, defsfile): if not isinstance(defsfile, str): raise RuntimeError('Module definitions file should be str') # With MSVC, DLLs only export symbols that are explicitly exported, # so if a module defs file is specified, we use that to export symbols return ['/DEF:' + defsfile] def gen_pch_args(self, header, source, pchname): objname = os.path.splitext(pchname)[0] + '.obj' return (objname, ['/Yc' + header, '/Fp' + pchname, '/Fo' + objname ]) def gen_import_library_args(self, implibname): "The name of the outputted import library" return ['/IMPLIB:' + implibname] def build_rpath_args(self, build_dir, rpath_paths, install_rpath): return [] # FIXME, no idea what these should be. def thread_flags(self): return [] def thread_link_flags(self): return [] def get_options(self): return {'c_winlibs' : coredata.UserStringArrayOption('c_winlibs', 'Windows libs to link against.', msvc_winlibs) } def get_option_link_args(self, options): return options['c_winlibs'].value[:] def unix_link_flags_to_native(self, args): result = [] for i in args: if i.startswith('-L'): i = '/LIBPATH:' + i[2:] # Translate GNU-style -lfoo library name to the import library elif i.startswith('-l'): name = i[2:] if name in ('m', 'c'): # With MSVC, these are provided by the C runtime which is # linked in by default continue else: i = name + '.lib' result.append(i) return result def unix_compile_flags_to_native(self, args): result = [] for i in args: # -mms-bitfields is specific to MinGW-GCC if i == '-mms-bitfields': continue result.append(i) return result def get_include_args(self, path, is_system): if path == '': path = '.' # msvc does not have a concept of system header dirs. return ['-I' + path] # Visual Studio is special. It ignores arguments it does not # understand and you can't tell it to error out on those. # http://stackoverflow.com/questions/15259720/how-can-i-make-the-microsoft-c-compiler-treat-unknown-flags-as-errors-rather-t def has_argument(self, arg, env): warning_text = b'9002' code = 'int i;\n' (fd, srcname) = tempfile.mkstemp(suffix='.'+self.default_suffix) os.close(fd) with open(srcname, 'w') as ofile: ofile.write(code) # Read c_args/cpp_args/etc from the cross-info file (if needed) extra_args = self.get_cross_extra_flags(env, compile=True, link=False) extra_args += self.get_compile_only_args() commands = self.exelist + [arg] + extra_args + [srcname] mlog.debug('Running VS compile:') mlog.debug('Command line: ', ' '.join(commands)) mlog.debug('Code:\n', code) p = subprocess.Popen(commands, cwd=os.path.split(srcname)[0], stdout=subprocess.PIPE, stderr=subprocess.PIPE) (stde, stdo) = p.communicate() if p.returncode != 0: raise MesonException('Compiling test app failed.') return not(warning_text in stde or warning_text in stdo) def get_compile_debugfile_args(self, rel_obj): pdbarr = rel_obj.split('.')[:-1] pdbarr += ['pdb'] return ['/Fd' + '.'.join(pdbarr)] def get_link_debugfile_args(self, targetfile): pdbarr = targetfile.split('.')[:-1] pdbarr += ['pdb'] return ['/DEBUG', '/PDB:' + '.'.join(pdbarr)] class VisualStudioCPPCompiler(VisualStudioCCompiler): def __init__(self, exelist, version, is_cross, exe_wrap): self.language = 'cpp' VisualStudioCCompiler.__init__(self, exelist, version, is_cross, exe_wrap) self.base_options = ['b_pch'] # FIXME add lto, pgo and the like def get_options(self): return {'cpp_eh' : coredata.UserComboOption('cpp_eh', 'C++ exception handling type.', ['none', 'a', 's', 'sc'], 'sc'), 'cpp_winlibs' : coredata.UserStringArrayOption('cpp_winlibs', 'Windows libs to link against.', msvc_winlibs) } def get_option_compile_args(self, options): args = [] std = options['cpp_eh'] if std.value != 'none': args.append('/EH' + std.value) return args def get_option_link_args(self, options): return options['cpp_winlibs'].value[:] GCC_STANDARD = 0 GCC_OSX = 1 GCC_MINGW = 2 CLANG_STANDARD = 0 CLANG_OSX = 1 CLANG_WIN = 2 # Possibly clang-cl? def get_gcc_soname_args(gcc_type, prefix, shlib_name, suffix, path, soversion): if soversion is None: sostr = '' else: sostr = '.' + soversion if gcc_type == GCC_STANDARD or gcc_type == GCC_MINGW: # Might not be correct for mingw but seems to work. return ['-Wl,-soname,%s%s.%s%s' % (prefix, shlib_name, suffix, sostr)] return ['-Wl,-soname,%s%s' % (shlib_name, sostr)] elif gcc_type == GCC_OSX: return ['-install_name', os.path.join(path, 'lib' + shlib_name + '.dylib')] else: raise RuntimeError('Not implemented yet.') class GnuCompiler: # Functionality that is common to all GNU family compilers. def __init__(self, gcc_type, defines): self.id = 'gcc' self.gcc_type = gcc_type self.defines = defines or {} self.base_options = ['b_pch', 'b_lto', 'b_pgo', 'b_sanitize', 'b_coverage', 'b_colorout', 'b_ndebug', 'b_staticpic'] if self.gcc_type != GCC_OSX: self.base_options.append('b_lundef') self.base_options.append('b_asneeded') def get_colorout_args(self, colortype): if mesonlib.version_compare(self.version, '>=4.9.0'): return gnu_color_args[colortype][:] return [] def get_warn_args(self, level): args = super().get_warn_args(level) if mesonlib.version_compare(self.version, '<4.8.0') and '-Wpedantic' in args: # -Wpedantic was added in 4.8.0 # https://gcc.gnu.org/gcc-4.8/changes.html args[args.index('-Wpedantic')] = '-pedantic' return args def has_define(self, define): return define in self.defines def get_define(self, define): if define in self.defines: return defines[define] def get_pic_args(self): if self.gcc_type in (GCC_MINGW, GCC_OSX): return [] # On Window and OS X, pic is always on. return ['-fPIC'] def get_buildtype_args(self, buildtype): return gnulike_buildtype_args[buildtype] def get_buildtype_linker_args(self, buildtype): return gnulike_buildtype_linker_args[buildtype] def get_always_args(self): return ['-pipe'] def get_pch_suffix(self): return 'gch' def split_shlib_to_parts(self, fname): return (os.path.split(fname)[0], fname) def get_soname_args(self, prefix, shlib_name, suffix, path, soversion): return get_gcc_soname_args(self.gcc_type, prefix, shlib_name, suffix, path, soversion) class GnuCCompiler(GnuCompiler, CCompiler): def __init__(self, exelist, version, gcc_type, is_cross, exe_wrapper=None, defines=None): CCompiler.__init__(self, exelist, version, is_cross, exe_wrapper) GnuCompiler.__init__(self, gcc_type, defines) # Gcc can do asm, too. self.can_compile_suffixes.add('s') self.warn_args = {'1': ['-Wall', '-Winvalid-pch'], '2': ['-Wall', '-Wextra', '-Winvalid-pch'], '3' : ['-Wall', '-Wpedantic', '-Wextra', '-Winvalid-pch']} def get_options(self): opts = {'c_std' : coredata.UserComboOption('c_std', 'C language standard to use', ['none', 'c89', 'c99', 'c11', 'gnu89', 'gnu99', 'gnu11'], 'none')} if self.gcc_type == GCC_MINGW: opts.update({ 'c_winlibs': coredata.UserStringArrayOption('c_winlibs', 'Standard Win libraries to link against', gnu_winlibs), }) return opts def get_option_compile_args(self, options): args = [] std = options['c_std'] if std.value != 'none': args.append('-std=' + std.value) return args def get_option_link_args(self, options): if self.gcc_type == GCC_MINGW: return options['c_winlibs'].value return [] class GnuCPPCompiler(GnuCompiler, CPPCompiler): def __init__(self, exelist, version, gcc_type, is_cross, exe_wrap, defines): CPPCompiler.__init__(self, exelist, version, is_cross, exe_wrap) GnuCompiler.__init__(self, gcc_type, defines) self.warn_args = {'1': ['-Wall', '-Winvalid-pch', '-Wnon-virtual-dtor'], '2': ['-Wall', '-Wextra', '-Winvalid-pch', '-Wnon-virtual-dtor'], '3': ['-Wall', '-Wpedantic', '-Wextra', '-Winvalid-pch', '-Wnon-virtual-dtor']} def get_options(self): opts = {'cpp_std' : coredata.UserComboOption('cpp_std', 'C++ language standard to use', ['none', 'c++03', 'c++11', 'c++14', 'c++1z', 'gnu++03', 'gnu++11', 'gnu++14', 'gnu++1z'], 'none'), 'cpp_debugstl': coredata.UserBooleanOption('cpp_debugstl', 'STL debug mode', False)} if self.gcc_type == GCC_MINGW: opts.update({ 'cpp_winlibs': coredata.UserStringArrayOption('c_winlibs', 'Standard Win libraries to link against', gnu_winlibs), }) return opts def get_option_compile_args(self, options): args = [] std = options['cpp_std'] if std.value != 'none': args.append('-std=' + std.value) if options['cpp_debugstl'].value: args.append('-D_GLIBCXX_DEBUG=1') return args def get_option_link_args(self, options): if self.gcc_type == GCC_MINGW: return options['cpp_winlibs'].value return [] class GnuObjCCompiler(GnuCompiler,ObjCCompiler): def __init__(self, exelist, version, is_cross, exe_wrapper=None, defines=None): ObjCCompiler.__init__(self, exelist, version, is_cross, exe_wrapper) # Not really correct, but GNU objc is only used on non-OSX non-win. File a bug # if this breaks your use case. GnuCompiler.__init__(self, GCC_STANDARD, defines) self.warn_args = {'1': ['-Wall', '-Winvalid-pch'], '2': ['-Wall', '-Wextra', '-Winvalid-pch'], '3' : ['-Wall', '-Wpedantic', '-Wextra', '-Winvalid-pch']} class GnuObjCPPCompiler(GnuCompiler, ObjCPPCompiler): def __init__(self, exelist, version, is_cross, exe_wrapper=None, defines=None): ObjCPPCompiler.__init__(self, exelist, version, is_cross, exe_wrapper) # Not really correct, but GNU objc is only used on non-OSX non-win. File a bug # if this breaks your use case. GnuCompiler.__init__(self, GCC_STANDARD, defines) self.warn_args = {'1': ['-Wall', '-Winvalid-pch', '-Wnon-virtual-dtor'], '2': ['-Wall', '-Wextra', '-Winvalid-pch', '-Wnon-virtual-dtor'], '3' : ['-Wall', '-Wpedantic', '-Wextra', '-Winvalid-pch', '-Wnon-virtual-dtor']} class ClangCompiler(): def __init__(self, clang_type): self.id = 'clang' self.clang_type = clang_type self.base_options = ['b_pch', 'b_lto', 'b_pgo', 'b_sanitize', 'b_coverage', 'b_ndebug', 'b_staticpic'] if self.clang_type != CLANG_OSX: self.base_options.append('b_lundef') self.base_options.append('b_asneeded') def get_pic_args(self): if self.clang_type in (CLANG_WIN, CLANG_OSX): return [] # On Window and OS X, pic is always on. return ['-fPIC'] def get_buildtype_args(self, buildtype): return gnulike_buildtype_args[buildtype] def get_buildtype_linker_args(self, buildtype): return gnulike_buildtype_linker_args[buildtype] def get_pch_suffix(self): return 'pch' def get_pch_use_args(self, pch_dir, header): # Workaround for Clang bug http://llvm.org/bugs/show_bug.cgi?id=15136 # This flag is internal to Clang (or at least not documented on the man page) # so it might change semantics at any time. return ['-include-pch', os.path.join (pch_dir, self.get_pch_name (header))] def get_soname_args(self, prefix, shlib_name, suffix, path, soversion): if self.clang_type == CLANG_STANDARD: gcc_type = GCC_STANDARD elif self.clang_type == CLANG_OSX: gcc_type = GCC_OSX elif self.clang_type == CLANG_WIN: gcc_type = GCC_MINGW else: raise MesonException('Unreachable code when converting clang type to gcc type.') return get_gcc_soname_args(gcc_type, prefix, shlib_name, suffix, path, soversion) def has_argument(self, arg, env): return super().has_argument(['-Werror=unknown-warning-option', arg], env) def has_function(self, funcname, prefix, env, extra_args=None, dependencies=None): if extra_args is None: extra_args = [] # Starting with XCode 8, we need to pass this to force linker # visibility to obey OS X and iOS minimum version targets with # -mmacosx-version-min, -miphoneos-version-min, etc. # https://github.com/Homebrew/homebrew-core/issues/3727 if self.clang_type == CLANG_OSX and version_compare(self.version, '>=8.0'): extra_args.append('-Wl,-no_weak_imports') return super().has_function(funcname, prefix, env, extra_args, dependencies) class ClangCCompiler(ClangCompiler, CCompiler): def __init__(self, exelist, version, clang_type, is_cross, exe_wrapper=None): CCompiler.__init__(self, exelist, version, is_cross, exe_wrapper) ClangCompiler.__init__(self, clang_type) # Clang can do asm, too. self.can_compile_suffixes.add('s') self.warn_args = {'1': ['-Wall', '-Winvalid-pch'], '2': ['-Wall', '-Wextra', '-Winvalid-pch'], '3' : ['-Wall', '-Wpedantic', '-Wextra', '-Winvalid-pch']} def get_options(self): return {'c_std' : coredata.UserComboOption('c_std', 'C language standard to use', ['none', 'c89', 'c99', 'c11'], 'none')} def get_option_compile_args(self, options): args = [] std = options['c_std'] if std.value != 'none': args.append('-std=' + std.value) return args def get_option_link_args(self, options): return [] class ClangCPPCompiler(ClangCompiler, CPPCompiler): def __init__(self, exelist, version, cltype, is_cross, exe_wrapper=None): CPPCompiler.__init__(self, exelist, version, is_cross, exe_wrapper) ClangCompiler.__init__(self, cltype) self.warn_args = {'1': ['-Wall', '-Winvalid-pch', '-Wnon-virtual-dtor'], '2': ['-Wall', '-Wextra', '-Winvalid-pch', '-Wnon-virtual-dtor'], '3': ['-Wall', '-Wpedantic', '-Wextra', '-Winvalid-pch', '-Wnon-virtual-dtor']} def get_options(self): return {'cpp_std' : coredata.UserComboOption('cpp_std', 'C++ language standard to use', ['none', 'c++03', 'c++11', 'c++14', 'c++1z'], 'none')} def get_option_compile_args(self, options): args = [] std = options['cpp_std'] if std.value != 'none': args.append('-std=' + std.value) return args def get_option_link_args(self, options): return [] class ClangObjCCompiler(ClangCompiler, GnuObjCCompiler): def __init__(self, exelist, version, cltype, is_cross, exe_wrapper=None): GnuObjCCompiler.__init__(self, exelist, version, is_cross, exe_wrapper) ClangCompiler.__init__(self, cltype) self.base_options = ['b_pch', 'b_lto', 'b_pgo', 'b_sanitize', 'b_coverage'] class ClangObjCPPCompiler(ClangCompiler, GnuObjCPPCompiler): def __init__(self, exelist, version, cltype, is_cross, exe_wrapper=None): GnuObjCPPCompiler.__init__(self, exelist, version, is_cross, exe_wrapper) ClangCompiler.__init__(self, cltype) self.base_options = ['b_pch', 'b_lto', 'b_pgo', 'b_sanitize', 'b_coverage'] class FortranCompiler(Compiler): def __init__(self, exelist, version, is_cross, exe_wrapper=None): self.language = 'fortran' super().__init__(exelist, version) self.is_cross = is_cross self.exe_wrapper = exe_wrapper # Not really correct but I don't have Fortran compilers to test with. Sorry. self.gcc_type = GCC_STANDARD self.id = "IMPLEMENTATION CLASSES MUST SET THIS" def name_string(self): return ' '.join(self.exelist) def get_pic_args(self): if self.gcc_type in (GCC_MINGW, GCC_OSX): return [] # On Window and OS X, pic is always on. return ['-fPIC'] def get_std_shared_lib_link_args(self): return ['-shared'] def needs_static_linker(self): return True def sanity_check(self, work_dir, environment): source_name = os.path.join(work_dir, 'sanitycheckf.f90') binary_name = os.path.join(work_dir, 'sanitycheckf') with open(source_name, 'w') as ofile: ofile.write('''program prog print *, "Fortran compilation is working." end program prog ''') extra_flags = self.get_cross_extra_flags(environment, compile=True, link=True) pc = subprocess.Popen(self.exelist + extra_flags + [source_name, '-o', binary_name]) pc.wait() if pc.returncode != 0: raise EnvironmentException('Compiler %s can not compile programs.' % self.name_string()) if self.is_cross: if self.exe_wrapper is None: # Can't check if the binaries run so we have to assume they do return cmdlist = self.exe_wrapper + [binary_name] else: cmdlist = [binary_name] pe = subprocess.Popen(cmdlist, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) pe.wait() if pe.returncode != 0: raise EnvironmentException('Executables created by Fortran compiler %s are not runnable.' % self.name_string()) def get_std_warn_args(self, level): return FortranCompiler.std_warn_args def get_buildtype_args(self, buildtype): return gnulike_buildtype_args[buildtype] def get_buildtype_linker_args(self, buildtype): return gnulike_buildtype_linker_args[buildtype] def split_shlib_to_parts(self, fname): return (os.path.split(fname)[0], fname) def get_soname_args(self, prefix, shlib_name, suffix, path, soversion): return get_gcc_soname_args(self.gcc_type, prefix, shlib_name, suffix, path, soversion) def get_dependency_gen_args(self, outtarget, outfile): # Disabled until this is fixed: # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62162 #return ['-cpp', '-MMD', '-MQ', outtarget] return [] def get_output_args(self, target): return ['-o', target] def get_compile_only_args(self): return ['-c'] def get_linker_exelist(self): return self.exelist[:] def get_linker_output_args(self, outputname): return ['-o', outputname] def get_include_args(self, path, is_system): return ['-I' + path] def get_module_outdir_args(self, path): return ['-J' + path] def depfile_for_object(self, objfile): return objfile + '.' + self.get_depfile_suffix() def get_depfile_suffix(self): return 'd' def get_std_exe_link_args(self): return [] def build_rpath_args(self, build_dir, rpath_paths, install_rpath): return build_unix_rpath_args(build_dir, rpath_paths, install_rpath) def module_name_to_filename(self, module_name): return module_name.lower() + '.mod' def get_warn_args(self, level): return ['-Wall'] def get_no_warn_args(self): return ['-w'] class GnuFortranCompiler(FortranCompiler): def __init__(self, exelist, version, gcc_type, is_cross, exe_wrapper=None, defines=None): super().__init__(exelist, version, is_cross, exe_wrapper=None) self.gcc_type = gcc_type self.defines = defines or {} self.id = 'gcc' def has_define(self, define): return define in self.defines def get_define(self, define): if define in self.defines: return self.defines[define] def get_always_args(self): return ['-pipe'] def gen_import_library_args(self, implibname): """ The name of the outputted import library Used only on Windows """ return ['-Wl,--out-implib=' + implibname] class G95FortranCompiler(FortranCompiler): def __init__(self, exelist, version, is_cross, exe_wrapper=None): super().__init__(exelist, version, is_cross, exe_wrapper=None) self.id = 'g95' def get_module_outdir_args(self, path): return ['-fmod='+path] def get_always_args(self): return ['-pipe'] def get_no_warn_args(self): # FIXME: Confirm that there's no compiler option to disable all warnings return [] def gen_import_library_args(self, implibname): """ The name of the outputted import library Used only on Windows """ return ['-Wl,--out-implib=' + implibname] class SunFortranCompiler(FortranCompiler): def __init__(self, exelist, version, is_cross, exe_wrapper=None): super().__init__(exelist, version, is_cross, exe_wrapper=None) self.id = 'sun' def get_dependency_gen_args(self, outtarget, outfile): return ['-fpp'] def get_always_args(self): return [] def get_warn_args(self): return [] def get_module_outdir_args(self, path): return ['-moddir='+path] class IntelFortranCompiler(FortranCompiler): std_warn_args = ['-warn', 'all'] def __init__(self, exelist, version, is_cross, exe_wrapper=None): self.file_suffixes = ('f', 'f90') super().__init__(exelist, version, is_cross, exe_wrapper=None) self.id = 'intel' def get_module_outdir_args(self, path): return ['-module', path] def get_warn_args(self, level): return IntelFortranCompiler.std_warn_args class PathScaleFortranCompiler(FortranCompiler): std_warn_args = ['-fullwarn'] def __init__(self, exelist, version, is_cross, exe_wrapper=None): super().__init__(exelist, version, is_cross, exe_wrapper=None) self.id = 'pathscale' def get_module_outdir_args(self, path): return ['-module', path] def get_std_warn_args(self, level): return PathScaleFortranCompiler.std_warn_args class PGIFortranCompiler(FortranCompiler): std_warn_args = ['-Minform=inform'] def __init__(self, exelist, version, is_cross, exe_wrapper=None): super().__init__(exelist, version, is_cross, exe_wrapper=None) self.id = 'pgi' def get_module_outdir_args(self, path): return ['-module', path] def get_warn_args(self, level): return PGIFortranCompiler.std_warn_args def get_no_warn_args(self): return ['-silent'] class Open64FortranCompiler(FortranCompiler): std_warn_args = ['-fullwarn'] def __init__(self, exelist, version, is_cross, exe_wrapper=None): super().__init__(exelist, version, is_cross, exe_wrapper=None) self.id = 'open64' def get_module_outdir_args(self, path): return ['-module', path] def get_warn_args(self, level): return Open64FortranCompiler.std_warn_args class NAGFortranCompiler(FortranCompiler): std_warn_args = [] def __init__(self, exelist, version, is_cross, exe_wrapper=None): super().__init__(exelist, version, is_cross, exe_wrapper=None) self.id = 'nagfor' def get_module_outdir_args(self, path): return ['-mdir', path] def get_always_args(self): return [] def get_warn_args(self, level): return NAGFortranCompiler.std_warn_args class VisualStudioLinker(): always_args = ['/NOLOGO'] def __init__(self, exelist): self.exelist = exelist def get_exelist(self): return self.exelist[:] def get_std_link_args(self): return [] def get_buildtype_linker_args(self, buildtype): return [] def get_output_args(self, target): return ['/OUT:' + target] def get_coverage_link_args(self): return [] def get_always_args(self): return VisualStudioLinker.always_args def get_linker_always_args(self): return VisualStudioLinker.always_args def build_rpath_args(self, build_dir, rpath_paths, install_rpath): return [] def thread_link_flags(self): return [] def get_option_link_args(self, options): return [] def unix_link_flags_to_native(self, args): return args[:] def unix_compile_flags_to_native(self, args): return args[:] def get_link_debugfile_args(self, targetfile): pdbarr = targetfile.split('.')[:-1] pdbarr += ['pdb'] return ['/DEBUG', '/PDB:' + '.'.join(pdbarr)] class ArLinker(): def __init__(self, exelist): self.exelist = exelist self.id = 'ar' pc = subprocess.Popen(self.exelist + ['-h'], stdout=subprocess.PIPE, stderr=subprocess.DEVNULL) (stdo, _) = pc.communicate() # Enable deterministic builds if they are available. if b'[D]' in stdo: self.std_args = ['csrD'] else: self.std_args = ['csr'] def build_rpath_args(self, build_dir, rpath_paths, install_rpath): return [] def get_exelist(self): return self.exelist[:] def get_std_link_args(self): return self.std_args def get_output_args(self, target): return [target] def get_buildtype_linker_args(self, buildtype): return [] def get_linker_always_args(self): return [] def get_coverage_link_args(self): return [] def get_always_args(self): return [] def thread_link_flags(self): return [] def get_option_link_args(self, options): return [] def unix_link_flags_to_native(self, args): return args[:] def unix_compile_flags_to_native(self, args): return args[:] def get_link_debugfile_args(self, targetfile): return []