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authorDavid Robillard <d@drobilla.net>2019-04-21 22:53:32 +0200
committerDavid Robillard <d@drobilla.net>2019-04-21 22:55:04 +0200
commit4be819c27f627d0fad0f63cb5817bfca8460541a (patch)
tree46e2d6880484bc5621a7b148775a2aa47b838d9b /waflib/Tools/c_config.py
parent9b7bfdd92d9a12b0d7db59f0ec0bb790fb827406 (diff)
downloadlv2-4be819c27f627d0fad0f63cb5817bfca8460541a.tar.xz
Switch to using a submodule for autowaf
Diffstat (limited to 'waflib/Tools/c_config.py')
m---------waflib0
-rw-r--r--waflib/Tools/c_config.py1351
2 files changed, 0 insertions, 1351 deletions
diff --git a/waflib b/waflib
new file mode 160000
+Subproject 2314e236ca6e7d94a26c3c17091da0f25f5867f
diff --git a/waflib/Tools/c_config.py b/waflib/Tools/c_config.py
deleted file mode 100644
index d546be9..0000000
--- a/waflib/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()
-