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Diffstat (limited to 'Tools/c_config.py')
| -rw-r--r-- | Tools/c_config.py | 1351 |
1 files changed, 0 insertions, 1351 deletions
diff --git a/Tools/c_config.py b/Tools/c_config.py deleted file mode 100644 index d546be9..0000000 --- a/Tools/c_config.py +++ /dev/null @@ -1,1351 +0,0 @@ -#!/usr/bin/env python -# encoding: utf-8 -# Thomas Nagy, 2005-2018 (ita) - -""" -C/C++/D configuration helpers -""" - -from __future__ import with_statement - -import os, re, shlex -from waflib import Build, Utils, Task, Options, Logs, Errors, Runner -from waflib.TaskGen import after_method, feature -from waflib.Configure import conf - -WAF_CONFIG_H = 'config.h' -"""default name for the config.h file""" - -DEFKEYS = 'define_key' -INCKEYS = 'include_key' - -SNIP_EMPTY_PROGRAM = ''' -int main(int argc, char **argv) { - (void)argc; (void)argv; - return 0; -} -''' - -MACRO_TO_DESTOS = { -'__linux__' : 'linux', -'__GNU__' : 'gnu', # hurd -'__FreeBSD__' : 'freebsd', -'__NetBSD__' : 'netbsd', -'__OpenBSD__' : 'openbsd', -'__sun' : 'sunos', -'__hpux' : 'hpux', -'__sgi' : 'irix', -'_AIX' : 'aix', -'__CYGWIN__' : 'cygwin', -'__MSYS__' : 'cygwin', -'_UWIN' : 'uwin', -'_WIN64' : 'win32', -'_WIN32' : 'win32', -# Note about darwin: this is also tested with 'defined __APPLE__ && defined __MACH__' somewhere below in this file. -'__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__' : 'darwin', -'__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__' : 'darwin', # iphone -'__QNX__' : 'qnx', -'__native_client__' : 'nacl' # google native client platform -} - -MACRO_TO_DEST_CPU = { -'__x86_64__' : 'x86_64', -'__amd64__' : 'x86_64', -'__i386__' : 'x86', -'__ia64__' : 'ia', -'__mips__' : 'mips', -'__sparc__' : 'sparc', -'__alpha__' : 'alpha', -'__aarch64__' : 'aarch64', -'__thumb__' : 'thumb', -'__arm__' : 'arm', -'__hppa__' : 'hppa', -'__powerpc__' : 'powerpc', -'__ppc__' : 'powerpc', -'__convex__' : 'convex', -'__m68k__' : 'm68k', -'__s390x__' : 's390x', -'__s390__' : 's390', -'__sh__' : 'sh', -'__xtensa__' : 'xtensa', -} - -@conf -def parse_flags(self, line, uselib_store, env=None, force_static=False, posix=None): - """ - Parses flags from the input lines, and adds them to the relevant use variables:: - - def configure(conf): - conf.parse_flags('-O3', 'FOO') - # conf.env.CXXFLAGS_FOO = ['-O3'] - # conf.env.CFLAGS_FOO = ['-O3'] - - :param line: flags - :type line: string - :param uselib_store: where to add the flags - :type uselib_store: string - :param env: config set or conf.env by default - :type env: :py:class:`waflib.ConfigSet.ConfigSet` - """ - - assert(isinstance(line, str)) - - env = env or self.env - - # Issue 811 and 1371 - if posix is None: - posix = True - if '\\' in line: - posix = ('\\ ' in line) or ('\\\\' in line) - - lex = shlex.shlex(line, posix=posix) - lex.whitespace_split = True - lex.commenters = '' - lst = list(lex) - - # append_unique is not always possible - # for example, apple flags may require both -arch i386 and -arch ppc - uselib = uselib_store - def app(var, val): - env.append_value('%s_%s' % (var, uselib), val) - def appu(var, val): - env.append_unique('%s_%s' % (var, uselib), val) - static = False - while lst: - x = lst.pop(0) - st = x[:2] - ot = x[2:] - - if st == '-I' or st == '/I': - if not ot: - ot = lst.pop(0) - appu('INCLUDES', ot) - elif st == '-i': - tmp = [x, lst.pop(0)] - app('CFLAGS', tmp) - app('CXXFLAGS', tmp) - elif st == '-D' or (env.CXX_NAME == 'msvc' and st == '/D'): # not perfect but.. - if not ot: - ot = lst.pop(0) - app('DEFINES', ot) - elif st == '-l': - if not ot: - ot = lst.pop(0) - prefix = 'STLIB' if (force_static or static) else 'LIB' - app(prefix, ot) - elif st == '-L': - if not ot: - ot = lst.pop(0) - prefix = 'STLIBPATH' if (force_static or static) else 'LIBPATH' - appu(prefix, ot) - elif x.startswith('/LIBPATH:'): - prefix = 'STLIBPATH' if (force_static or static) else 'LIBPATH' - appu(prefix, x.replace('/LIBPATH:', '')) - elif x.startswith('-std='): - prefix = 'CXXFLAGS' if '++' in x else 'CFLAGS' - app(prefix, x) - elif x.startswith('+') or x in ('-pthread', '-fPIC', '-fpic', '-fPIE', '-fpie'): - app('CFLAGS', x) - app('CXXFLAGS', x) - app('LINKFLAGS', x) - elif x == '-framework': - appu('FRAMEWORK', lst.pop(0)) - elif x.startswith('-F'): - appu('FRAMEWORKPATH', x[2:]) - elif x == '-Wl,-rpath' or x == '-Wl,-R': - app('RPATH', lst.pop(0).lstrip('-Wl,')) - elif x.startswith('-Wl,-R,'): - app('RPATH', x[7:]) - elif x.startswith('-Wl,-R'): - app('RPATH', x[6:]) - elif x.startswith('-Wl,-rpath,'): - app('RPATH', x[11:]) - elif x == '-Wl,-Bstatic' or x == '-Bstatic': - static = True - elif x == '-Wl,-Bdynamic' or x == '-Bdynamic': - static = False - elif x.startswith('-Wl') or x in ('-rdynamic', '-pie'): - app('LINKFLAGS', x) - elif x.startswith(('-m', '-f', '-dynamic', '-O', '-g')): - # Adding the -W option breaks python builds on Openindiana - app('CFLAGS', x) - app('CXXFLAGS', x) - elif x.startswith('-bundle'): - app('LINKFLAGS', x) - elif x.startswith(('-undefined', '-Xlinker')): - arg = lst.pop(0) - app('LINKFLAGS', [x, arg]) - elif x.startswith(('-arch', '-isysroot')): - tmp = [x, lst.pop(0)] - app('CFLAGS', tmp) - app('CXXFLAGS', tmp) - app('LINKFLAGS', tmp) - elif x.endswith(('.a', '.so', '.dylib', '.lib')): - appu('LINKFLAGS', x) # not cool, #762 - else: - self.to_log('Unhandled flag %r' % x) - -@conf -def validate_cfg(self, kw): - """ - Searches for the program *pkg-config* if missing, and validates the - parameters to pass to :py:func:`waflib.Tools.c_config.exec_cfg`. - - :param path: the **-config program to use** (default is *pkg-config*) - :type path: list of string - :param msg: message to display to describe the test executed - :type msg: string - :param okmsg: message to display when the test is successful - :type okmsg: string - :param errmsg: message to display in case of error - :type errmsg: string - """ - if not 'path' in kw: - if not self.env.PKGCONFIG: - self.find_program('pkg-config', var='PKGCONFIG') - kw['path'] = self.env.PKGCONFIG - - # verify that exactly one action is requested - s = ('atleast_pkgconfig_version' in kw) + ('modversion' in kw) + ('package' in kw) - if s != 1: - raise ValueError('exactly one of atleast_pkgconfig_version, modversion and package must be set') - if not 'msg' in kw: - if 'atleast_pkgconfig_version' in kw: - kw['msg'] = 'Checking for pkg-config version >= %r' % kw['atleast_pkgconfig_version'] - elif 'modversion' in kw: - kw['msg'] = 'Checking for %r version' % kw['modversion'] - else: - kw['msg'] = 'Checking for %r' %(kw['package']) - - # let the modversion check set the okmsg to the detected version - if not 'okmsg' in kw and not 'modversion' in kw: - kw['okmsg'] = 'yes' - if not 'errmsg' in kw: - kw['errmsg'] = 'not found' - - # pkg-config version - if 'atleast_pkgconfig_version' in kw: - pass - elif 'modversion' in kw: - if not 'uselib_store' in kw: - kw['uselib_store'] = kw['modversion'] - if not 'define_name' in kw: - kw['define_name'] = '%s_VERSION' % Utils.quote_define_name(kw['uselib_store']) - else: - if not 'uselib_store' in kw: - kw['uselib_store'] = Utils.to_list(kw['package'])[0].upper() - if not 'define_name' in kw: - kw['define_name'] = self.have_define(kw['uselib_store']) - -@conf -def exec_cfg(self, kw): - """ - Executes ``pkg-config`` or other ``-config`` applications to collect configuration flags: - - * if atleast_pkgconfig_version is given, check that pkg-config has the version n and return - * if modversion is given, then return the module version - * else, execute the *-config* program with the *args* and *variables* given, and set the flags on the *conf.env.FLAGS_name* variable - - :param atleast_pkgconfig_version: minimum pkg-config version to use (disable other tests) - :type atleast_pkgconfig_version: string - :param package: package name, for example *gtk+-2.0* - :type package: string - :param uselib_store: if the test is successful, define HAVE\\_*name*. It is also used to define *conf.env.FLAGS_name* variables. - :type uselib_store: string - :param modversion: if provided, return the version of the given module and define *name*\\_VERSION - :type modversion: string - :param args: arguments to give to *package* when retrieving flags - :type args: list of string - :param variables: return the values of particular variables - :type variables: list of string - :param define_variable: additional variables to define (also in conf.env.PKG_CONFIG_DEFINES) - :type define_variable: dict(string: string) - """ - - path = Utils.to_list(kw['path']) - env = self.env.env or None - if kw.get('pkg_config_path'): - if not env: - env = dict(self.environ) - env['PKG_CONFIG_PATH'] = kw['pkg_config_path'] - - def define_it(): - define_name = kw['define_name'] - # by default, add HAVE_X to the config.h, else provide DEFINES_X for use=X - if kw.get('global_define', 1): - self.define(define_name, 1, False) - else: - self.env.append_unique('DEFINES_%s' % kw['uselib_store'], "%s=1" % define_name) - - if kw.get('add_have_to_env', 1): - self.env[define_name] = 1 - - # pkg-config version - if 'atleast_pkgconfig_version' in kw: - cmd = path + ['--atleast-pkgconfig-version=%s' % kw['atleast_pkgconfig_version']] - self.cmd_and_log(cmd, env=env) - return - - # single version for a module - if 'modversion' in kw: - version = self.cmd_and_log(path + ['--modversion', kw['modversion']], env=env).strip() - if not 'okmsg' in kw: - kw['okmsg'] = version - self.define(kw['define_name'], version) - return version - - lst = [] + path - - defi = kw.get('define_variable') - if not defi: - defi = self.env.PKG_CONFIG_DEFINES or {} - for key, val in defi.items(): - lst.append('--define-variable=%s=%s' % (key, val)) - - static = kw.get('force_static', False) - if 'args' in kw: - args = Utils.to_list(kw['args']) - if '--static' in args or '--static-libs' in args: - static = True - lst += args - - # tools like pkgconf expect the package argument after the -- ones -_- - lst.extend(Utils.to_list(kw['package'])) - - # retrieving variables of a module - if 'variables' in kw: - v_env = kw.get('env', self.env) - vars = Utils.to_list(kw['variables']) - for v in vars: - val = self.cmd_and_log(lst + ['--variable=' + v], env=env).strip() - var = '%s_%s' % (kw['uselib_store'], v) - v_env[var] = val - return - - # so we assume the command-line will output flags to be parsed afterwards - ret = self.cmd_and_log(lst, env=env) - - define_it() - self.parse_flags(ret, kw['uselib_store'], kw.get('env', self.env), force_static=static, posix=kw.get('posix')) - return ret - -@conf -def check_cfg(self, *k, **kw): - """ - Checks for configuration flags using a **-config**-like program (pkg-config, sdl-config, etc). - This wraps internal calls to :py:func:`waflib.Tools.c_config.validate_cfg` and :py:func:`waflib.Tools.c_config.exec_cfg` - - A few examples:: - - def configure(conf): - conf.load('compiler_c') - conf.check_cfg(package='glib-2.0', args='--libs --cflags') - conf.check_cfg(package='pango') - conf.check_cfg(package='pango', uselib_store='MYPANGO', args=['--cflags', '--libs']) - conf.check_cfg(package='pango', - args=['pango >= 0.1.0', 'pango < 9.9.9', '--cflags', '--libs'], - msg="Checking for 'pango 0.1.0'") - conf.check_cfg(path='sdl-config', args='--cflags --libs', package='', uselib_store='SDL') - conf.check_cfg(path='mpicc', args='--showme:compile --showme:link', - package='', uselib_store='OPEN_MPI', mandatory=False) - # variables - conf.check_cfg(package='gtk+-2.0', variables=['includedir', 'prefix'], uselib_store='FOO') - print(conf.env.FOO_includedir) - """ - self.validate_cfg(kw) - if 'msg' in kw: - self.start_msg(kw['msg'], **kw) - ret = None - try: - ret = self.exec_cfg(kw) - except self.errors.WafError as e: - if 'errmsg' in kw: - self.end_msg(kw['errmsg'], 'YELLOW', **kw) - if Logs.verbose > 1: - self.to_log('Command failure: %s' % e) - self.fatal('The configuration failed') - else: - if not ret: - ret = True - kw['success'] = ret - if 'okmsg' in kw: - self.end_msg(self.ret_msg(kw['okmsg'], kw), **kw) - - return ret - -def build_fun(bld): - """ - Build function that is used for running configuration tests with ``conf.check()`` - """ - if bld.kw['compile_filename']: - node = bld.srcnode.make_node(bld.kw['compile_filename']) - node.write(bld.kw['code']) - - o = bld(features=bld.kw['features'], source=bld.kw['compile_filename'], target='testprog') - - for k, v in bld.kw.items(): - setattr(o, k, v) - - if not bld.kw.get('quiet'): - bld.conf.to_log("==>\n%s\n<==" % bld.kw['code']) - -@conf -def validate_c(self, kw): - """ - Pre-checks the parameters that will be given to :py:func:`waflib.Configure.run_build` - - :param compiler: c or cxx (tries to guess what is best) - :type compiler: string - :param type: cprogram, cshlib, cstlib - not required if *features are given directly* - :type type: binary to create - :param feature: desired features for the task generator that will execute the test, for example ``cxx cxxstlib`` - :type feature: list of string - :param fragment: provide a piece of code for the test (default is to let the system create one) - :type fragment: string - :param uselib_store: define variables after the test is executed (IMPORTANT!) - :type uselib_store: string - :param use: parameters to use for building (just like the normal *use* keyword) - :type use: list of string - :param define_name: define to set when the check is over - :type define_name: string - :param execute: execute the resulting binary - :type execute: bool - :param define_ret: if execute is set to True, use the execution output in both the define and the return value - :type define_ret: bool - :param header_name: check for a particular header - :type header_name: string - :param auto_add_header_name: if header_name was set, add the headers in env.INCKEYS so the next tests will include these headers - :type auto_add_header_name: bool - """ - for x in ('type_name', 'field_name', 'function_name'): - if x in kw: - Logs.warn('Invalid argument %r in test' % x) - - if not 'build_fun' in kw: - kw['build_fun'] = build_fun - - if not 'env' in kw: - kw['env'] = self.env.derive() - env = kw['env'] - - if not 'compiler' in kw and not 'features' in kw: - kw['compiler'] = 'c' - if env.CXX_NAME and Task.classes.get('cxx'): - kw['compiler'] = 'cxx' - if not self.env.CXX: - self.fatal('a c++ compiler is required') - else: - if not self.env.CC: - self.fatal('a c compiler is required') - - if not 'compile_mode' in kw: - kw['compile_mode'] = 'c' - if 'cxx' in Utils.to_list(kw.get('features', [])) or kw.get('compiler') == 'cxx': - kw['compile_mode'] = 'cxx' - - if not 'type' in kw: - kw['type'] = 'cprogram' - - if not 'features' in kw: - if not 'header_name' in kw or kw.get('link_header_test', True): - kw['features'] = [kw['compile_mode'], kw['type']] # "c ccprogram" - else: - kw['features'] = [kw['compile_mode']] - else: - kw['features'] = Utils.to_list(kw['features']) - - if not 'compile_filename' in kw: - kw['compile_filename'] = 'test.c' + ((kw['compile_mode'] == 'cxx') and 'pp' or '') - - def to_header(dct): - if 'header_name' in dct: - dct = Utils.to_list(dct['header_name']) - return ''.join(['#include <%s>\n' % x for x in dct]) - return '' - - if 'framework_name' in kw: - # OSX, not sure this is used anywhere - fwkname = kw['framework_name'] - if not 'uselib_store' in kw: - kw['uselib_store'] = fwkname.upper() - if not kw.get('no_header'): - fwk = '%s/%s.h' % (fwkname, fwkname) - if kw.get('remove_dot_h'): - fwk = fwk[:-2] - val = kw.get('header_name', []) - kw['header_name'] = Utils.to_list(val) + [fwk] - kw['msg'] = 'Checking for framework %s' % fwkname - kw['framework'] = fwkname - - elif 'header_name' in kw: - if not 'msg' in kw: - kw['msg'] = 'Checking for header %s' % kw['header_name'] - - l = Utils.to_list(kw['header_name']) - assert len(l), 'list of headers in header_name is empty' - - kw['code'] = to_header(kw) + SNIP_EMPTY_PROGRAM - if not 'uselib_store' in kw: - kw['uselib_store'] = l[0].upper() - if not 'define_name' in kw: - kw['define_name'] = self.have_define(l[0]) - - if 'lib' in kw: - if not 'msg' in kw: - kw['msg'] = 'Checking for library %s' % kw['lib'] - if not 'uselib_store' in kw: - kw['uselib_store'] = kw['lib'].upper() - - if 'stlib' in kw: - if not 'msg' in kw: - kw['msg'] = 'Checking for static library %s' % kw['stlib'] - if not 'uselib_store' in kw: - kw['uselib_store'] = kw['stlib'].upper() - - if 'fragment' in kw: - # an additional code fragment may be provided to replace the predefined code - # in custom headers - kw['code'] = kw['fragment'] - if not 'msg' in kw: - kw['msg'] = 'Checking for code snippet' - if not 'errmsg' in kw: - kw['errmsg'] = 'no' - - for (flagsname,flagstype) in (('cxxflags','compiler'), ('cflags','compiler'), ('linkflags','linker')): - if flagsname in kw: - if not 'msg' in kw: - kw['msg'] = 'Checking for %s flags %s' % (flagstype, kw[flagsname]) - if not 'errmsg' in kw: - kw['errmsg'] = 'no' - - if not 'execute' in kw: - kw['execute'] = False - if kw['execute']: - kw['features'].append('test_exec') - kw['chmod'] = Utils.O755 - - if not 'errmsg' in kw: - kw['errmsg'] = 'not found' - - if not 'okmsg' in kw: - kw['okmsg'] = 'yes' - - if not 'code' in kw: - kw['code'] = SNIP_EMPTY_PROGRAM - - # if there are headers to append automatically to the next tests - if self.env[INCKEYS]: - kw['code'] = '\n'.join(['#include <%s>' % x for x in self.env[INCKEYS]]) + '\n' + kw['code'] - - # in case defines lead to very long command-lines - if kw.get('merge_config_header') or env.merge_config_header: - kw['code'] = '%s\n\n%s' % (self.get_config_header(), kw['code']) - env.DEFINES = [] # modify the copy - - if not kw.get('success'): - kw['success'] = None - - if 'define_name' in kw: - self.undefine(kw['define_name']) - if not 'msg' in kw: - self.fatal('missing "msg" in conf.check(...)') - -@conf -def post_check(self, *k, **kw): - """ - Sets the variables after a test executed in - :py:func:`waflib.Tools.c_config.check` was run successfully - """ - is_success = 0 - if kw['execute']: - if kw['success'] is not None: - if kw.get('define_ret'): - is_success = kw['success'] - else: - is_success = (kw['success'] == 0) - else: - is_success = (kw['success'] == 0) - - if kw.get('define_name'): - comment = kw.get('comment', '') - define_name = kw['define_name'] - if kw['execute'] and kw.get('define_ret') and isinstance(is_success, str): - if kw.get('global_define', 1): - self.define(define_name, is_success, quote=kw.get('quote', 1), comment=comment) - else: - if kw.get('quote', 1): - succ = '"%s"' % is_success - else: - succ = int(is_success) - val = '%s=%s' % (define_name, succ) - var = 'DEFINES_%s' % kw['uselib_store'] - self.env.append_value(var, val) - else: - if kw.get('global_define', 1): - self.define_cond(define_name, is_success, comment=comment) - else: - var = 'DEFINES_%s' % kw['uselib_store'] - self.env.append_value(var, '%s=%s' % (define_name, int(is_success))) - - # define conf.env.HAVE_X to 1 - if kw.get('add_have_to_env', 1): - if kw.get('uselib_store'): - self.env[self.have_define(kw['uselib_store'])] = 1 - elif kw['execute'] and kw.get('define_ret'): - self.env[define_name] = is_success - else: - self.env[define_name] = int(is_success) - - if 'header_name' in kw: - if kw.get('auto_add_header_name'): - self.env.append_value(INCKEYS, Utils.to_list(kw['header_name'])) - - if is_success and 'uselib_store' in kw: - from waflib.Tools import ccroot - # See get_uselib_vars in ccroot.py - _vars = set() - for x in kw['features']: - if x in ccroot.USELIB_VARS: - _vars |= ccroot.USELIB_VARS[x] - - for k in _vars: - x = k.lower() - if x in kw: - self.env.append_value(k + '_' + kw['uselib_store'], kw[x]) - return is_success - -@conf -def check(self, *k, **kw): - """ - Performs a configuration test by calling :py:func:`waflib.Configure.run_build`. - For the complete list of parameters, see :py:func:`waflib.Tools.c_config.validate_c`. - To force a specific compiler, pass ``compiler='c'`` or ``compiler='cxx'`` to the list of arguments - - Besides build targets, complete builds can be given through a build function. All files will - be written to a temporary directory:: - - def build(bld): - lib_node = bld.srcnode.make_node('libdir/liblc1.c') - lib_node.parent.mkdir() - lib_node.write('#include <stdio.h>\\nint lib_func(void) { FILE *f = fopen("foo", "r");}\\n', 'w') - bld(features='c cshlib', source=[lib_node], linkflags=conf.env.EXTRA_LDFLAGS, target='liblc') - conf.check(build_fun=build, msg=msg) - """ - self.validate_c(kw) - self.start_msg(kw['msg'], **kw) - ret = None - try: - ret = self.run_build(*k, **kw) - except self.errors.ConfigurationError: - self.end_msg(kw['errmsg'], 'YELLOW', **kw) - if Logs.verbose > 1: - raise - else: - self.fatal('The configuration failed') - else: - kw['success'] = ret - - ret = self.post_check(*k, **kw) - if not ret: - self.end_msg(kw['errmsg'], 'YELLOW', **kw) - self.fatal('The configuration failed %r' % ret) - else: - self.end_msg(self.ret_msg(kw['okmsg'], kw), **kw) - return ret - -class test_exec(Task.Task): - """ - A task that runs programs after they are built. See :py:func:`waflib.Tools.c_config.test_exec_fun`. - """ - color = 'PINK' - def run(self): - if getattr(self.generator, 'rpath', None): - if getattr(self.generator, 'define_ret', False): - self.generator.bld.retval = self.generator.bld.cmd_and_log([self.inputs[0].abspath()]) - else: - self.generator.bld.retval = self.generator.bld.exec_command([self.inputs[0].abspath()]) - else: - env = self.env.env or {} - env.update(dict(os.environ)) - for var in ('LD_LIBRARY_PATH', 'DYLD_LIBRARY_PATH', 'PATH'): - env[var] = self.inputs[0].parent.abspath() + os.path.pathsep + env.get(var, '') - if getattr(self.generator, 'define_ret', False): - self.generator.bld.retval = self.generator.bld.cmd_and_log([self.inputs[0].abspath()], env=env) - else: - self.generator.bld.retval = self.generator.bld.exec_command([self.inputs[0].abspath()], env=env) - -@feature('test_exec') -@after_method('apply_link') -def test_exec_fun(self): - """ - The feature **test_exec** is used to create a task that will to execute the binary - created (link task output) during the build. The exit status will be set - on the build context, so only one program may have the feature *test_exec*. - This is used by configuration tests:: - - def configure(conf): - conf.check(execute=True) - """ - self.create_task('test_exec', self.link_task.outputs[0]) - -@conf -def check_cxx(self, *k, **kw): - """ - Runs a test with a task generator of the form:: - - conf.check(features='cxx cxxprogram', ...) - """ - kw['compiler'] = 'cxx' - return self.check(*k, **kw) - -@conf -def check_cc(self, *k, **kw): - """ - Runs a test with a task generator of the form:: - - conf.check(features='c cprogram', ...) - """ - kw['compiler'] = 'c' - return self.check(*k, **kw) - -@conf -def set_define_comment(self, key, comment): - """ - Sets a comment that will appear in the configuration header - - :type key: string - :type comment: string - """ - coms = self.env.DEFINE_COMMENTS - if not coms: - coms = self.env.DEFINE_COMMENTS = {} - coms[key] = comment or '' - -@conf -def get_define_comment(self, key): - """ - Returns the comment associated to a define - - :type key: string - """ - coms = self.env.DEFINE_COMMENTS or {} - return coms.get(key, '') - -@conf -def define(self, key, val, quote=True, comment=''): - """ - Stores a single define and its state into ``conf.env.DEFINES``. The value is cast to an integer (0/1). - - :param key: define name - :type key: string - :param val: value - :type val: int or string - :param quote: enclose strings in quotes (yes by default) - :type quote: bool - """ - assert isinstance(key, str) - if not key: - return - if val is True: - val = 1 - elif val in (False, None): - val = 0 - - if isinstance(val, int) or isinstance(val, float): - s = '%s=%s' - else: - s = quote and '%s="%s"' or '%s=%s' - app = s % (key, str(val)) - - ban = key + '=' - lst = self.env.DEFINES - for x in lst: - if x.startswith(ban): - lst[lst.index(x)] = app - break - else: - self.env.append_value('DEFINES', app) - - self.env.append_unique(DEFKEYS, key) - self.set_define_comment(key, comment) - -@conf -def undefine(self, key, comment=''): - """ - Removes a global define from ``conf.env.DEFINES`` - - :param key: define name - :type key: string - """ - assert isinstance(key, str) - if not key: - return - ban = key + '=' - lst = [x for x in self.env.DEFINES if not x.startswith(ban)] - self.env.DEFINES = lst - self.env.append_unique(DEFKEYS, key) - self.set_define_comment(key, comment) - -@conf -def define_cond(self, key, val, comment=''): - """ - Conditionally defines a name:: - - def configure(conf): - conf.define_cond('A', True) - # equivalent to: - # if val: conf.define('A', 1) - # else: conf.undefine('A') - - :param key: define name - :type key: string - :param val: value - :type val: int or string - """ - assert isinstance(key, str) - if not key: - return - if val: - self.define(key, 1, comment=comment) - else: - self.undefine(key, comment=comment) - -@conf -def is_defined(self, key): - """ - Indicates whether a particular define is globally set in ``conf.env.DEFINES``. - - :param key: define name - :type key: string - :return: True if the define is set - :rtype: bool - """ - assert key and isinstance(key, str) - - ban = key + '=' - for x in self.env.DEFINES: - if x.startswith(ban): - return True - return False - -@conf -def get_define(self, key): - """ - Returns the value of an existing define, or None if not found - - :param key: define name - :type key: string - :rtype: string - """ - assert key and isinstance(key, str) - - ban = key + '=' - for x in self.env.DEFINES: - if x.startswith(ban): - return x[len(ban):] - return None - -@conf -def have_define(self, key): - """ - Returns a variable suitable for command-line or header use by removing invalid characters - and prefixing it with ``HAVE_`` - - :param key: define name - :type key: string - :return: the input key prefixed by *HAVE_* and substitute any invalid characters. - :rtype: string - """ - return (self.env.HAVE_PAT or 'HAVE_%s') % Utils.quote_define_name(key) - -@conf -def write_config_header(self, configfile='', guard='', top=False, defines=True, headers=False, remove=True, define_prefix=''): - """ - Writes a configuration header containing defines and includes:: - - def configure(cnf): - cnf.define('A', 1) - cnf.write_config_header('config.h') - - This function only adds include guards (if necessary), consult - :py:func:`waflib.Tools.c_config.get_config_header` for details on the body. - - :param configfile: path to the file to create (relative or absolute) - :type configfile: string - :param guard: include guard name to add, by default it is computed from the file name - :type guard: string - :param top: write the configuration header from the build directory (default is from the current path) - :type top: bool - :param defines: add the defines (yes by default) - :type defines: bool - :param headers: add #include in the file - :type headers: bool - :param remove: remove the defines after they are added (yes by default, works like in autoconf) - :type remove: bool - :type define_prefix: string - :param define_prefix: prefix all the defines in the file with a particular prefix - """ - if not configfile: - configfile = WAF_CONFIG_H - waf_guard = guard or 'W_%s_WAF' % Utils.quote_define_name(configfile) - - node = top and self.bldnode or self.path.get_bld() - node = node.make_node(configfile) - node.parent.mkdir() - - lst = ['/* WARNING! All changes made to this file will be lost! */\n'] - lst.append('#ifndef %s\n#define %s\n' % (waf_guard, waf_guard)) - lst.append(self.get_config_header(defines, headers, define_prefix=define_prefix)) - lst.append('\n#endif /* %s */\n' % waf_guard) - - node.write('\n'.join(lst)) - - # config files must not be removed on "waf clean" - self.env.append_unique(Build.CFG_FILES, [node.abspath()]) - - if remove: - for key in self.env[DEFKEYS]: - self.undefine(key) - self.env[DEFKEYS] = [] - -@conf -def get_config_header(self, defines=True, headers=False, define_prefix=''): - """ - Creates the contents of a ``config.h`` file from the defines and includes - set in conf.env.define_key / conf.env.include_key. No include guards are added. - - A prelude will be added from the variable env.WAF_CONFIG_H_PRELUDE if provided. This - can be used to insert complex macros or include guards:: - - def configure(conf): - conf.env.WAF_CONFIG_H_PRELUDE = '#include <unistd.h>\\n' - conf.write_config_header('config.h') - - :param defines: write the defines values - :type defines: bool - :param headers: write include entries for each element in self.env.INCKEYS - :type headers: bool - :type define_prefix: string - :param define_prefix: prefix all the defines with a particular prefix - :return: the contents of a ``config.h`` file - :rtype: string - """ - lst = [] - - if self.env.WAF_CONFIG_H_PRELUDE: - lst.append(self.env.WAF_CONFIG_H_PRELUDE) - - if headers: - for x in self.env[INCKEYS]: - lst.append('#include <%s>' % x) - - if defines: - tbl = {} - for k in self.env.DEFINES: - a, _, b = k.partition('=') - tbl[a] = b - - for k in self.env[DEFKEYS]: - caption = self.get_define_comment(k) - if caption: - caption = ' /* %s */' % caption - try: - txt = '#define %s%s %s%s' % (define_prefix, k, tbl[k], caption) - except KeyError: - txt = '/* #undef %s%s */%s' % (define_prefix, k, caption) - lst.append(txt) - return "\n".join(lst) - -@conf -def cc_add_flags(conf): - """ - Adds CFLAGS / CPPFLAGS from os.environ to conf.env - """ - conf.add_os_flags('CPPFLAGS', dup=False) - conf.add_os_flags('CFLAGS', dup=False) - -@conf -def cxx_add_flags(conf): - """ - Adds CXXFLAGS / CPPFLAGS from os.environ to conf.env - """ - conf.add_os_flags('CPPFLAGS', dup=False) - conf.add_os_flags('CXXFLAGS', dup=False) - -@conf -def link_add_flags(conf): - """ - Adds LINKFLAGS / LDFLAGS from os.environ to conf.env - """ - conf.add_os_flags('LINKFLAGS', dup=False) - conf.add_os_flags('LDFLAGS', dup=False) - -@conf -def cc_load_tools(conf): - """ - Loads the Waf c extensions - """ - if not conf.env.DEST_OS: - conf.env.DEST_OS = Utils.unversioned_sys_platform() - conf.load('c') - -@conf -def cxx_load_tools(conf): - """ - Loads the Waf c++ extensions - """ - if not conf.env.DEST_OS: - conf.env.DEST_OS = Utils.unversioned_sys_platform() - conf.load('cxx') - -@conf -def get_cc_version(conf, cc, gcc=False, icc=False, clang=False): - """ - Runs the preprocessor to determine the gcc/icc/clang version - - The variables CC_VERSION, DEST_OS, DEST_BINFMT and DEST_CPU will be set in *conf.env* - - :raise: :py:class:`waflib.Errors.ConfigurationError` - """ - cmd = cc + ['-dM', '-E', '-'] - env = conf.env.env or None - try: - out, err = conf.cmd_and_log(cmd, output=0, input='\n'.encode(), env=env) - except Errors.WafError: - conf.fatal('Could not determine the compiler version %r' % cmd) - - if gcc: - if out.find('__INTEL_COMPILER') >= 0: - conf.fatal('The intel compiler pretends to be gcc') - if out.find('__GNUC__') < 0 and out.find('__clang__') < 0: - conf.fatal('Could not determine the compiler type') - - if icc and out.find('__INTEL_COMPILER') < 0: - conf.fatal('Not icc/icpc') - - if clang and out.find('__clang__') < 0: - conf.fatal('Not clang/clang++') - if not clang and out.find('__clang__') >= 0: - conf.fatal('Could not find gcc/g++ (only Clang), if renamed try eg: CC=gcc48 CXX=g++48 waf configure') - - k = {} - if icc or gcc or clang: - out = out.splitlines() - for line in out: - lst = shlex.split(line) - if len(lst)>2: - key = lst[1] - val = lst[2] - k[key] = val - - def isD(var): - return var in k - - # Some documentation is available at http://predef.sourceforge.net - # The names given to DEST_OS must match what Utils.unversioned_sys_platform() returns. - if not conf.env.DEST_OS: - conf.env.DEST_OS = '' - for i in MACRO_TO_DESTOS: - if isD(i): - conf.env.DEST_OS = MACRO_TO_DESTOS[i] - break - else: - if isD('__APPLE__') and isD('__MACH__'): - conf.env.DEST_OS = 'darwin' - elif isD('__unix__'): # unix must be tested last as it's a generic fallback - conf.env.DEST_OS = 'generic' - - if isD('__ELF__'): - conf.env.DEST_BINFMT = 'elf' - elif isD('__WINNT__') or isD('__CYGWIN__') or isD('_WIN32'): - conf.env.DEST_BINFMT = 'pe' - if not conf.env.IMPLIBDIR: - conf.env.IMPLIBDIR = conf.env.LIBDIR # for .lib or .dll.a files - conf.env.LIBDIR = conf.env.BINDIR - elif isD('__APPLE__'): - conf.env.DEST_BINFMT = 'mac-o' - - if not conf.env.DEST_BINFMT: - # Infer the binary format from the os name. - conf.env.DEST_BINFMT = Utils.destos_to_binfmt(conf.env.DEST_OS) - - for i in MACRO_TO_DEST_CPU: - if isD(i): - conf.env.DEST_CPU = MACRO_TO_DEST_CPU[i] - break - - Logs.debug('ccroot: dest platform: ' + ' '.join([conf.env[x] or '?' for x in ('DEST_OS', 'DEST_BINFMT', 'DEST_CPU')])) - if icc: - ver = k['__INTEL_COMPILER'] - conf.env.CC_VERSION = (ver[:-2], ver[-2], ver[-1]) - else: - if isD('__clang__') and isD('__clang_major__'): - conf.env.CC_VERSION = (k['__clang_major__'], k['__clang_minor__'], k['__clang_patchlevel__']) - else: - # older clang versions and gcc - conf.env.CC_VERSION = (k['__GNUC__'], k['__GNUC_MINOR__'], k.get('__GNUC_PATCHLEVEL__', '0')) - return k - -@conf -def get_xlc_version(conf, cc): - """ - Returns the Aix compiler version - - :raise: :py:class:`waflib.Errors.ConfigurationError` - """ - cmd = cc + ['-qversion'] - try: - out, err = conf.cmd_and_log(cmd, output=0) - except Errors.WafError: - conf.fatal('Could not find xlc %r' % cmd) - - # the intention is to catch the 8.0 in "IBM XL C/C++ Enterprise Edition V8.0 for AIX..." - for v in (r"IBM XL C/C\+\+.* V(?P<major>\d*)\.(?P<minor>\d*)",): - version_re = re.compile(v, re.I).search - match = version_re(out or err) - if match: - k = match.groupdict() - conf.env.CC_VERSION = (k['major'], k['minor']) - break - else: - conf.fatal('Could not determine the XLC version.') - -@conf -def get_suncc_version(conf, cc): - """ - Returns the Sun compiler version - - :raise: :py:class:`waflib.Errors.ConfigurationError` - """ - cmd = cc + ['-V'] - try: - out, err = conf.cmd_and_log(cmd, output=0) - except Errors.WafError as e: - # Older versions of the compiler exit with non-zero status when reporting their version - if not (hasattr(e, 'returncode') and hasattr(e, 'stdout') and hasattr(e, 'stderr')): - conf.fatal('Could not find suncc %r' % cmd) - out = e.stdout - err = e.stderr - - version = (out or err) - version = version.splitlines()[0] - - # cc: Sun C 5.10 SunOS_i386 2009/06/03 - # cc: Studio 12.5 Sun C++ 5.14 SunOS_sparc Beta 2015/11/17 - # cc: WorkShop Compilers 5.0 98/12/15 C 5.0 - version_re = re.compile(r'cc: (studio.*?|\s+)?(sun\s+(c\+\+|c)|(WorkShop\s+Compilers))?\s+(?P<major>\d*)\.(?P<minor>\d*)', re.I).search - match = version_re(version) - if match: - k = match.groupdict() - conf.env.CC_VERSION = (k['major'], k['minor']) - else: - conf.fatal('Could not determine the suncc version.') - -# ============ the --as-needed flag should added during the configuration, not at runtime ========= - -@conf -def add_as_needed(self): - """ - Adds ``--as-needed`` to the *LINKFLAGS* - On some platforms, it is a default flag. In some cases (e.g., in NS-3) it is necessary to explicitly disable this feature with `-Wl,--no-as-needed` flag. - """ - if self.env.DEST_BINFMT == 'elf' and 'gcc' in (self.env.CXX_NAME, self.env.CC_NAME): - self.env.append_unique('LINKFLAGS', '-Wl,--as-needed') - -# ============ parallel configuration - -class cfgtask(Task.Task): - """ - A task that executes build configuration tests (calls conf.check) - - Make sure to use locks if concurrent access to the same conf.env data is necessary. - """ - def __init__(self, *k, **kw): - Task.Task.__init__(self, *k, **kw) - self.run_after = set() - - def display(self): - return '' - - def runnable_status(self): - for x in self.run_after: - if not x.hasrun: - return Task.ASK_LATER - return Task.RUN_ME - - def uid(self): - return Utils.SIG_NIL - - def signature(self): - return Utils.SIG_NIL - - def run(self): - conf = self.conf - bld = Build.BuildContext(top_dir=conf.srcnode.abspath(), out_dir=conf.bldnode.abspath()) - bld.env = conf.env - bld.init_dirs() - bld.in_msg = 1 # suppress top-level start_msg - bld.logger = self.logger - bld.multicheck_task = self - args = self.args - try: - if 'func' in args: - bld.test(build_fun=args['func'], - msg=args.get('msg', ''), - okmsg=args.get('okmsg', ''), - errmsg=args.get('errmsg', ''), - ) - else: - args['multicheck_mandatory'] = args.get('mandatory', True) - args['mandatory'] = True - try: - bld.check(**args) - finally: - args['mandatory'] = args['multicheck_mandatory'] - except Exception: - return 1 - - def process(self): - Task.Task.process(self) - if 'msg' in self.args: - with self.generator.bld.multicheck_lock: - self.conf.start_msg(self.args['msg']) - if self.hasrun == Task.NOT_RUN: - self.conf.end_msg('test cancelled', 'YELLOW') - elif self.hasrun != Task.SUCCESS: - self.conf.end_msg(self.args.get('errmsg', 'no'), 'YELLOW') - else: - self.conf.end_msg(self.args.get('okmsg', 'yes'), 'GREEN') - -@conf -def multicheck(self, *k, **kw): - """ - Runs configuration tests in parallel; results are printed sequentially at the end of the build - but each test must provide its own msg value to display a line:: - - def test_build(ctx): - ctx.in_msg = True # suppress console outputs - ctx.check_large_file(mandatory=False) - - conf.multicheck( - {'header_name':'stdio.h', 'msg':'... stdio', 'uselib_store':'STDIO', 'global_define':False}, - {'header_name':'xyztabcd.h', 'msg':'... optional xyztabcd.h', 'mandatory': False}, - {'header_name':'stdlib.h', 'msg':'... stdlib', 'okmsg': 'aye', 'errmsg': 'nope'}, - {'func': test_build, 'msg':'... testing an arbitrary build function', 'okmsg':'ok'}, - msg = 'Checking for headers in parallel', - mandatory = True, # mandatory tests raise an error at the end - run_all_tests = True, # try running all tests - ) - - The configuration tests may modify the values in conf.env in any order, and the define - values can affect configuration tests being executed. It is hence recommended - to provide `uselib_store` values with `global_define=False` to prevent such issues. - """ - self.start_msg(kw.get('msg', 'Executing %d configuration tests' % len(k)), **kw) - - # Force a copy so that threads append to the same list at least - # no order is guaranteed, but the values should not disappear at least - for var in ('DEFINES', DEFKEYS): - self.env.append_value(var, []) - self.env.DEFINE_COMMENTS = self.env.DEFINE_COMMENTS or {} - - # define a task object that will execute our tests - class par(object): - def __init__(self): - self.keep = False - self.task_sigs = {} - self.progress_bar = 0 - def total(self): - return len(tasks) - def to_log(self, *k, **kw): - return - - bld = par() - bld.keep = kw.get('run_all_tests', True) - bld.imp_sigs = {} - tasks = [] - - id_to_task = {} - for dct in k: - x = Task.classes['cfgtask'](bld=bld, env=None) - tasks.append(x) - x.args = dct - x.bld = bld - x.conf = self - x.args = dct - - # bind a logger that will keep the info in memory - x.logger = Logs.make_mem_logger(str(id(x)), self.logger) - - if 'id' in dct: - id_to_task[dct['id']] = x - - # second pass to set dependencies with after_test/before_test - for x in tasks: - for key in Utils.to_list(x.args.get('before_tests', [])): - tsk = id_to_task[key] - if not tsk: - raise ValueError('No test named %r' % key) - tsk.run_after.add(x) - for key in Utils.to_list(x.args.get('after_tests', [])): - tsk = id_to_task[key] - if not tsk: - raise ValueError('No test named %r' % key) - x.run_after.add(tsk) - - def it(): - yield tasks - while 1: - yield [] - bld.producer = p = Runner.Parallel(bld, Options.options.jobs) - bld.multicheck_lock = Utils.threading.Lock() - p.biter = it() - - self.end_msg('started') - p.start() - - # flush the logs in order into the config.log - for x in tasks: - x.logger.memhandler.flush() - - self.start_msg('-> processing test results') - if p.error: - for x in p.error: - if getattr(x, 'err_msg', None): - self.to_log(x.err_msg) - self.end_msg('fail', color='RED') - raise Errors.WafError('There is an error in the library, read config.log for more information') - - failure_count = 0 - for x in tasks: - if x.hasrun not in (Task.SUCCESS, Task.NOT_RUN): - failure_count += 1 - - if failure_count: - self.end_msg(kw.get('errmsg', '%s test failed' % failure_count), color='YELLOW', **kw) - else: - self.end_msg('all ok', **kw) - - for x in tasks: - if x.hasrun != Task.SUCCESS: - if x.args.get('mandatory', True): - self.fatal(kw.get('fatalmsg') or 'One of the tests has failed, read config.log for more information') - -@conf -def check_gcc_o_space(self, mode='c'): - if int(self.env.CC_VERSION[0]) > 4: - # this is for old compilers - return - self.env.stash() - if mode == 'c': - self.env.CCLNK_TGT_F = ['-o', ''] - elif mode == 'cxx': - self.env.CXXLNK_TGT_F = ['-o', ''] - features = '%s %sshlib' % (mode, mode) - try: - self.check(msg='Checking if the -o link must be split from arguments', fragment=SNIP_EMPTY_PROGRAM, features=features) - except self.errors.ConfigurationError: - self.env.revert() - else: - self.env.commit() - |