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diff --git a/subprojects/nk_pugl/pugl/waflib/Tools/c_config.py b/subprojects/nk_pugl/pugl/waflib/Tools/c_config.py
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+++ b/subprojects/nk_pugl/pugl/waflib/Tools/c_config.py
@@ -0,0 +1,1351 @@
+#!/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()
+