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