mirror of
https://git.rtems.org/rtems-libbsd/
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01855a5acd
In some applications, it's usefull if the files generated by lex or yacc are not build automatically. With that it is for example possible to create a wrapper source file that sets some defines before the generated code is parsed.
527 lines
20 KiB
Python
527 lines
20 KiB
Python
#
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# Copyright (c) 2015-2018 Chris Johns <chrisj@rtems.org>. All rights reserved.
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#
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# Copyright (c) 2009-2015 embedded brains GmbH. All rights reserved.
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#
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# embedded brains GmbH
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# Dornierstr. 4
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# 82178 Puchheim
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# Germany
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# <info@embedded-brains.de>
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#
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# Copyright (c) 2012 OAR Corporation. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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from __future__ import print_function
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# Python 3 does no longer know the basestring class. Catch that.
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try:
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basestring
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except NameError:
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basestring = (str, bytes)
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import os
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import sys
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import tempfile
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import re
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import builder
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import rtems_waf.rtems as rtems
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windows = os.name == 'nt'
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if windows:
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host_shell = 'sh -c '
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else:
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host_shell = ''
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#
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# The waf builder for libbsd.
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#
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class Builder(builder.ModuleManager):
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def __init__(self, trace = False):
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super(Builder, self).__init__()
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self.trace = trace
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self.data = {}
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@staticmethod
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def _sourceList(bld, files):
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sources = []
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if type(files) is dict:
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for cfg in files:
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if cfg in ['cflags', 'includes']:
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continue
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if cfg != 'default':
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for c in cfg.split(' '):
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if not bld.env['HAVE_%s' % (c)]:
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continue
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sources += sorted(files[cfg])
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else:
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sources = sorted(files)
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return sources
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def generate(self, rtems_version):
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def _dataInsert(data, cpu, frag):
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#
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# The default handler returns an empty string. Skip it.
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#
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if type(frag) is not str:
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# Start at the top of the tree
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d = data
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path = frag[0]
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if path[0] not in d:
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d[path[0]] = {}
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# Select the sub-part of the tree as the compile options
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# specialise how files are built.
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d = d[path[0]]
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if type(path[1]) is list:
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p = ' '.join(path[1])
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else:
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p = path[1]
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if p not in d:
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d[p] = {}
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d = d[p]
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if cpu not in d:
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d[cpu] = { }
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config = frag[0][2][0]
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if config != 'default':
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if 'configure' not in data:
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data['configure'] = { }
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data['configure'][config] = frag[0][2][1]
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if type(frag[1]) is list:
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if config not in d[cpu]:
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d[cpu][config] = []
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d[cpu][config] += frag[1]
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else:
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d[cpu][config] = frag[1]
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#
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# The CPU is for files and the flags and includes are common.
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#
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if len(frag) > 3:
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if 'cflags' not in d:
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d['cflags'] = []
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d['cflags'] += frag[2]
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d['cflags'] = list(set(d['cflags']))
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if len(frag) >= 3 and None not in frag[-1]:
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if 'includes' not in d:
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d['includes'] = []
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d['includes'] += frag[-1]
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d['includes'] = list(set(d['includes']))
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self.generateBuild()
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self.data = {}
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for mn in self.getEnabledModules():
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m = self[mn]
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if m.conditionalOn == "none":
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for f in m.files:
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_dataInsert(self.data, 'all', f.getFragment())
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for cpu, files in sorted(m.cpuDependentSourceFiles.items()):
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for f in files:
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_dataInsert(self.data, cpu, f.getFragment())
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if self.trace:
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import pprint
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pprint.pprint(self.data)
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def bsp_configure(self, conf, arch_bsp):
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if 'configure' in self.data:
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for cfg in self.data['configure']:
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for h in self.data['configure'][cfg]:
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conf.check(header_name = h,
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features = "c",
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includes = conf.env.IFLAGS,
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mandatory = False)
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def build(self, bld):
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#
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# Localize the config.
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#
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config = self.getConfiguration()
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module_header_path = "rtems/bsd"
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module_header_name = "modules.h"
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#
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#
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# C/C++ flags
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#
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common_flags = []
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common_flags += ['-O%s' % (bld.env.OPTIMIZATION)]
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if 'common-flags' in config:
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common_flags += [f for f in config['common-flags']]
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if bld.env.WARNINGS and 'common-warnings' in config:
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common_flags += [f for f in config['common-warnings']]
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elif 'common-no-warnings' in config:
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common_flags += [f for f in config['common-no-warnings']]
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if 'cflags' in config:
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cflags = config['cflags'] + common_flags
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if 'cxxflags' in config:
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cxxflags = config['cxxflags'] + common_flags
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#
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# Defines
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#
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defines = []
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if len(bld.env.FREEBSD_OPTIONS) > 0:
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for o in bld.env.FREEBSD_OPTIONS.split(','):
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defines += ['%s=1' % (o.strip().upper())]
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#
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# Include paths
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#
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includes = []
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buildinclude = 'build-include'
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if 'cpu-include-paths' in config:
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cpu = bld.get_env()['RTEMS_ARCH']
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if cpu == "i386":
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cpu = 'x86'
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for i in config['cpu-include-paths']:
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includes += [i.replace('@CPU@', cpu)]
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if 'include-paths' in config:
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includes += config['include-paths']
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if 'build-include-path' in config:
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buildinclude = config['build-include-path']
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if not isinstance(buildinclude, basestring):
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buildinclude = buildinclude[0]
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includes += [buildinclude]
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#
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# Collect the libbsd uses
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#
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libbsd_use = []
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#
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# Network test configuration
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#
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if not os.path.exists(bld.env.NET_CONFIG):
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bld.fatal('network configuraiton \'%s\' not found' % (bld.env.NET_CONFIG))
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tags = [ 'NET_CFG_SELF_IP',
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'NET_CFG_NETMASK',
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'NET_CFG_PEER_IP',
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'NET_CFG_GATEWAY_IP' ]
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try:
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net_cfg_lines = open(bld.env.NET_CONFIG).readlines()
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except:
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bld.fatal('network configuraiton \'%s\' read failed' % (bld.env.NET_CONFIG))
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lc = 0
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for l in net_cfg_lines:
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lc += 1
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if l.strip().startswith('NET_CFG_'):
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ls = l.split('=')
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if len(ls) != 2:
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bld.fatal('network configuraiton \'%s\' ' + \
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'parse error: %d: %s' % (bld.env.NET_CONFIG, lc, l))
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lhs = ls[0].strip()
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rhs = ls[1].strip()
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sed = 'sed '
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for t in tags:
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if lhs == t:
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sed += "-e 's/@%s@/%s/'" % (t, rhs)
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bld(target = "testsuite/include/rtems/bsd/test/network-config.h",
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source = "testsuite/include/rtems/bsd/test/network-config.h.in",
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rule = sed + " < ${SRC} > ${TGT}",
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update_outputs = True)
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#
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# Add a copy rule for all headers where the install path and the source
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# path are not the same.
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#
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if 'header-paths' in config:
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header_build_copy_paths = [
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hp for hp in config['header-paths'] if hp[2] != '' and not hp[0].endswith(hp[2])
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]
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for headers in header_build_copy_paths:
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target = os.path.join(buildinclude, headers[2])
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start_dir = bld.path.find_dir(headers[0])
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for header in start_dir.ant_glob(headers[1]):
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relsourcepath = header.path_from(start_dir)
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targetheader = os.path.join(target, relsourcepath)
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bld(features = 'subst',
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target = targetheader,
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source = header,
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is_copy = True)
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#
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# Generate a header that contains information about enabled modules
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#
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def rtems_libbsd_modules_h_gen(self):
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output = ""
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output += '/*\n'
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output += ' * This file contains a list of modules that have been\n'
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output += ' * enabled during libbsd build. It is a generated file\n'
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output += ' * DO NOT EDIT MANUALLY.\n'
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output += ' */'
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output += '\n'
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output += '#ifndef RTEMS_BSD_MODULES_H\n'
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for mod in config['modules-enabled']:
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modname = re.sub("[^A-Za-z0-9]", "_", mod.upper())
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output += '#define RTEMS_BSD_MODULE_{} 1\n'.format(modname)
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output += '#endif /* RTEMS_BSD_MODULES_H */\n'
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self.outputs[0].write(output)
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modules_h_file_with_path = os.path.join(buildinclude,
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module_header_path,
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module_header_name)
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bld(rule = rtems_libbsd_modules_h_gen,
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target = modules_h_file_with_path,
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before = ['c', 'cxx'])
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#
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# Add the specific rule based builders
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#
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#
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# KVM Symbols
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#
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if 'KVMSymbols' in self.data:
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kvmsymbols = self.data['KVMSymbols']
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if 'includes' in kvmsymbols['files']:
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kvmsymbols_includes = kvmsymbols['files']['includes']
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else:
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kvmsymbols_includes = []
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bld(target = kvmsymbols['files']['all']['default'][0],
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source = 'rtemsbsd/rtems/generate_kvm_symbols',
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rule = host_shell + './${SRC} > ${TGT}',
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update_outputs = True)
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bld.objects(target = 'kvmsymbols',
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features = 'c',
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cflags = cflags,
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includes = kvmsymbols_includes + includes,
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source = kvmsymbols['files']['all']['default'][0])
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libbsd_use += ["kvmsymbols"]
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bld.add_group()
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#
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# RPC Generation
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#
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if 'RPCGen' in self.data:
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if bld.env.AUTO_REGEN:
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rpcgen = self.data['RPCGen']
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rpcname = rpcgen['files']['all']['default'][0][:-2]
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bld(target = rpcname + '.h',
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source = rpcname + '.x',
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rule = host_shell + '${RPCGEN} -h -o ${TGT} ${SRC}')
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#
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# Route keywords
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#
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if 'RouteKeywords' in self.data:
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if bld.env.AUTO_REGEN:
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routekw = self.data['RouteKeywords']
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rkwname = routekw['files']['all']['default'][0]
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rkw_rule = host_shell + "cat ${SRC} | " + \
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"awk 'BEGIN { r = 0 } { if (NF == 1) " + \
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"printf \"#define\\tK_%%s\\t%%d\\n\\t{\\\"%%s\\\", K_%%s},\\n\", " + \
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"toupper($1), ++r, $1, toupper($1)}' > ${TGT}"
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bld(target = rkwname + '.h',
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source = rkwname,
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rule = rkw_rule)
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#
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# Lex
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#
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if 'lex' in self.data:
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lexes = self.data['lex']
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for l in sorted(lexes.keys()):
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lex = lexes[l]['all']['default']
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if 'cflags' in lex:
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lexDefines = [d[2:] for d in lex['cflags']]
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else:
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lexDefines = []
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if 'includes' in lex:
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lexIncludes = lex['includes']
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else:
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lexIncludes = []
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lex_rule = host_shell + '${LEX} -P ' + lex['sym'] + ' -t ${SRC} | ' + \
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'sed -e \'/YY_BUF_SIZE/s/16384/1024/\' > ${TGT}'
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if bld.env.AUTO_REGEN:
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bld(target = lex['file'][:-2]+ '.c',
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source = lex['file'],
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rule = lex_rule)
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if lex['build']:
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bld.objects(target = 'lex_%s' % (lex['sym']),
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features = 'c',
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cflags = cflags,
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includes = lexIncludes + includes,
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defines = defines + lexDefines,
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source = lex['file'][:-2] + '.c')
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libbsd_use += ['lex_%s' % (lex['sym'])]
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#
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# Yacc
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#
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if 'yacc' in self.data:
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yaccs = self.data['yacc']
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for y in sorted(yaccs.keys()):
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yacc = yaccs[y]['all']['default']
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yaccFile = yacc['file']
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if yacc['sym'] is not None:
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yaccSym = yacc['sym']
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else:
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yaccSym = os.path.basename(yaccFile)[:-2]
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yaccHeader = '%s/%s' % (os.path.dirname(yaccFile), yacc['header'])
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if 'cflags' in yacc:
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yaccDefines = [d[2:] for d in yacc['cflags']]
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else:
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yaccDefines = []
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if 'includes' in yacc:
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yaccIncludes = yacc['includes']
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else:
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yaccIncludes = []
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yacc_rule = host_shell + '${YACC} -b ' + yaccSym + \
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' -d -p ' + yaccSym + ' ${SRC} && ' + \
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'sed -e \'/YY_BUF_SIZE/s/16384/1024/\' < ' + yaccSym + '.tab.c > ${TGT} && ' + \
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'rm -f ' + yaccSym + '.tab.c && mv ' + yaccSym + '.tab.h ' + yaccHeader
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if bld.env.AUTO_REGEN:
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bld(target = yaccFile[:-2] + '.c',
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source = yaccFile,
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rule = yacc_rule)
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if yacc['build']:
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bld.objects(target = 'yacc_%s' % (yaccSym),
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features = 'c',
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cflags = cflags,
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includes = yaccIncludes + includes,
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defines = defines + yaccDefines,
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source = yaccFile[:-2] + '.c')
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libbsd_use += ['yacc_%s' % (yaccSym)]
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#
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# We have 'm' different sets of flags and there can be 'n' cpus
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# specific files for those flags.
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#
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objs = 0
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sources = sorted(self.data['sources'])
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if 'default' in sources:
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sources.remove('default')
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for flags in sources:
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objs += 1
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build = self.data['sources'][flags]
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target = 'objs%02d' % (objs)
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bld_sources = Builder._sourceList(bld, build['all'])
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archs = sorted(build)
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for i in ['all', 'cflags', 'includes']:
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if i in archs:
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archs.remove(i)
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for arch in archs:
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if bld.get_env()['RTEMS_ARCH'] == arch:
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bld_sources += Builder._sourceList(bld, build[arch])
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if 'cflags' in build:
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bld_defines = [d[2:] for d in build['cflags']]
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else:
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bld_defines = []
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if 'includes' in build:
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bld_includes = build['includes']
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else:
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bld_includes = []
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bld.objects(target = target,
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features = 'c',
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cflags = cflags,
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includes = sorted(bld_includes) + includes,
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defines = defines + sorted(bld_defines),
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source = bld_sources)
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libbsd_use += [target]
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#
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# We hold the 'default' cflags set of files to the end to create the
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# static library with.
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#
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build = self.data['sources']['default']
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bld_sources = Builder._sourceList(bld, build['all'])
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archs = sorted(build)
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archs.remove('all')
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for arch in archs:
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if bld.get_env()['RTEMS_ARCH'] == arch:
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bld_sources += Builder._sourceList(bld, build[arch])
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bld.stlib(target = 'bsd',
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features = 'c cxx',
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cflags = cflags,
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cxxflags = cxxflags,
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includes = includes,
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defines = defines,
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source = bld_sources,
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use = libbsd_use)
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#
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# Installs.
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#
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# Header file collector.
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#
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arch_lib_path = rtems.arch_bsp_lib_path(bld.env.RTEMS_VERSION,
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bld.env.RTEMS_ARCH_BSP)
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arch_inc_path = rtems.arch_bsp_include_path(bld.env.RTEMS_VERSION,
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bld.env.RTEMS_ARCH_BSP)
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bld.install_files("${PREFIX}/" + arch_lib_path, ["libbsd.a"])
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if 'header-paths' in config:
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headerPaths = config['header-paths']
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cpu = bld.get_env()['RTEMS_ARCH']
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if cpu == "i386":
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cpu = 'x86'
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for headers in headerPaths:
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# Get the dest path
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ipath = os.path.join(arch_inc_path, headers[2])
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|
start_dir = bld.path.find_dir(headers[0].replace('@CPU@', cpu))
|
|
if start_dir != None:
|
|
bld.install_files("${PREFIX}/" + ipath,
|
|
start_dir.ant_glob(headers[1]),
|
|
cwd = start_dir,
|
|
relative_trick = True)
|
|
|
|
bld.install_files(os.path.join("${PREFIX}", arch_inc_path,
|
|
module_header_path),
|
|
modules_h_file_with_path,
|
|
cwd = bld.path)
|
|
|
|
#
|
|
# Tests
|
|
#
|
|
tests = self.data['tests']
|
|
for testName in sorted(tests):
|
|
test = self.data['tests'][testName]['all']
|
|
test_source = []
|
|
libs = ['bsd', 'm', 'z']
|
|
for cfg in test:
|
|
build_test = True
|
|
if cfg != 'default':
|
|
for c in cfg.split(' '):
|
|
if not bld.env['HAVE_%s' % (c)]:
|
|
build_test = False
|
|
break
|
|
if build_test:
|
|
test_sources = ['testsuite/%s/%s.c' % (testName, f) \
|
|
for f in test[cfg]['files']]
|
|
libs = test[cfg]['libs'] + libs
|
|
if build_test:
|
|
bld.program(target = '%s.exe' % (testName),
|
|
features = 'cprogram',
|
|
cflags = cflags,
|
|
includes = includes,
|
|
source = test_sources,
|
|
use = ['bsd'],
|
|
lib = libs,
|
|
install_path = None)
|