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#!/usr/bin/env python
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import buildbot_common
import make_rules
import optparse
import os
import sys
from make_rules import BuildDefineList, BuildLibList, BuildToolDict
from make_rules import GetBuildRule, BUILD_RULES
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
SDK_SRC_DIR = os.path.dirname(SCRIPT_DIR)
SDK_EXAMPLE_DIR = os.path.join(SDK_SRC_DIR, 'examples')
SDK_DIR = os.path.dirname(SDK_SRC_DIR)
SRC_DIR = os.path.dirname(SDK_DIR)
OUT_DIR = os.path.join(SRC_DIR, 'out')
PPAPI_DIR = os.path.join(SRC_DIR, 'ppapi')
# Add SDK make tools scripts to the python path.
sys.path.append(os.path.join(SDK_SRC_DIR, 'tools'))
import getos
SUPPORTED_HOSTS = ['win']
def ErrorExit(text):
ErrorMsgFunc(text)
sys.exit(1)
def Replace(text, replacements):
for key in replacements:
val = replacements[key]
if val is not None:
text = text.replace(key, val)
return text
def WriteReplaced(srcpath, dstpath, replacements):
text = open(srcpath, 'rb').read()
text = Replace(text, replacements)
open(dstpath, 'wb').write(text)
def SetVar(varname, values):
if not values:
return varname + ':=\n'
line = varname + ':='
out = ''
for value in values:
if len(line) + len(value) > 78:
out += line[:-1] + '\n'
line = '%s+=%s ' % (varname, value)
else:
line += value + ' '
if line:
out += line[:-1] + '\n'
return out
def GenerateSourceCopyList(desc):
sources = []
# Add sources for each target
for target in desc['TARGETS']:
sources.extend(target['SOURCES'])
# And HTML and data files
sources.extend(desc.get('DATA', []))
if desc['DEST'] == 'examples':
sources.append('common.js')
return sources
def GetSourcesDict(sources):
source_map = {}
for key in ['.c', '.cc']:
source_list = [fname for fname in sources if fname.endswith(key)]
if source_list:
source_map[key] = source_list
else:
source_map[key] = []
return source_map
def GetPlatforms(plat_list, plat_filter):
platforms = []
for plat in plat_list:
if plat in plat_filter:
platforms.append(plat)
return platforms
def GenerateToolDefaults(desc, tools):
defaults = ''
for tool in tools:
defaults += BUILD_RULES[tool]['DEFS']
return defaults
def GenerateSettings(desc, tools):
settings = SetVar('VALID_TOOLCHAINS', tools)
settings+= 'TOOLCHAIN?=%s\n\n' % tools[0]
for target in desc['TARGETS']:
name = target['NAME']
macro = name.upper()
srcs = GetSourcesDict(target['SOURCES'])
if srcs['.c']:
flags = target.get('CCFLAGS', ['$(NACL_CCFLAGS)'])
settings += SetVar(macro + '_CC', srcs['.c'])
settings += SetVar(macro + '_CCFLAGS', flags)
if srcs['.cc']:
flags = target.get('CXXFLAGS', ['$(NACL_CXXFLAGS)'])
settings += SetVar(macro + '_CXX', srcs['.cc'])
settings += SetVar(macro + '_CXXFLAGS', flags)
flags = target.get('LDFLAGS', ['$(NACL_LDFLAGS)'])
settings += SetVar(macro + '_LDFLAGS', flags)
return settings
def GetTarget(tool, targ_type, replace):
pattern = BUILD_RULES[tool]['TOOL'][targ_type]
return Replace(pattern, replace)
def GenerateCompile(target, tool, arch, srcs):
"""Generates a Compile target.
For the given target, toolset and architecture, returns a rule to generate
the object files for the set of sources.
Returns:
Returns a tuple containin the objects and the rule.
"""
rules = ''
name = target['NAME']
object_sets = []
defines = target.get('DEFINES', [])
defs = BuildDefineList(tool, defines)
if srcs['.c']:
replace = BuildToolDict(tool, name, arch, 'c', DEFLIST=defs)
compile_rule = GetBuildRule(tool, 'CC')
rules += Replace(compile_rule, replace)
object_sets.append('$(%s)' % replace['<OBJS>'])
if srcs['.cc']:
replace = BuildToolDict(tool, name, arch, 'cc', DEFLIST=defs)
compile_rule = GetBuildRule(tool, 'CXX')
rules += Replace(compile_rule, replace)
object_sets.append('$(%s)' % replace['<OBJS>'])
return (' '.join(object_sets), rules)
def GenerateLink(target, tool, arch, objs):
"""Generate a Link target.
Returns:
Returns a tuple containing the rule and target.
"""
targ_type = target['TYPE']
link_rule = GetBuildRule(tool, targ_type.upper())
libs = target.get('LIBS', [])
libs = BuildLibList(tool, libs)
replace = BuildToolDict(tool, target['NAME'], arch, 'nexe',
OBJS=objs, LIBLIST=libs)
rule = Replace(link_rule, replace)
target_out = GetTarget(tool, targ_type, replace)
return target_out, rule
def GenerateNMF(target, tool):
nmf_rule = BUILD_RULES[tool]['NMF']
replace = BuildToolDict(tool, target['NAME'])
rule = Replace(nmf_rule, replace)
target_out = GetTarget(tool, 'nmf', replace)
return target_out, rule
def GenerateRules(desc, tools):
all_targets = []
rules = ''
clean = []
for tc in tools:
rules += '\n#\n# Rules for %s toolchain\n#\n%s:\n\t$(MKDIR) %s\n' % (
tc, tc, tc)
main = None
for target in desc['TARGETS']:
name = target['NAME']
srcs = GetSourcesDict(target['SOURCES'])
for arch in BUILD_RULES[tc]['ARCHES']:
objs, comp_rule = GenerateCompile(target, tc, arch, srcs)
targs, link_rule = GenerateLink(target, tc, arch, objs)
rules += comp_rule + link_rule
clean.append(objs)
if target['TYPE'] == 'main':
main = target
elif target['TYPE'] == 'lib':
all_targets.append(targs)
if main:
targs, nmf_rule = GenerateNMF(main, tc)
rules += nmf_rule
all_targets.append(targs)
rules += '\n.PHONY : clean\nclean:\n\t$(RM) $(DEPFILES) ' + ' '.join(clean)
rules += '\n\n-include $(DEPFILES)'
return ' '.join(all_targets), rules
def GenerateTargets(desc, tools):
targets = []
rules = ''
for tc in tools:
for target in desc['TARGETS']:
name = target['NAME']
replace = BuildToolDict(tc, name)
target = GetTarget(tc, target['TYPE'], replace)
if target:
targets.append(target)
return targets
def GenerateReplacements(desc, tools):
# Generate target settings
plats = GetPlatforms(desc['TOOLS'], tools)
settings = GenerateSettings(desc, tools)
tool_def = GenerateToolDefaults(desc, tools)
all_targets, rules = GenerateRules(desc, tools)
prelaunch = desc.get('LAUNCH', '')
prerun = desc.get('PRE', '')
postlaunch = desc.get('POST', '')
targets = GenerateTargets(desc, tools)
target_def = 'all: ' + all_targets
return {
'__PROJECT_SETTINGS__' : settings,
'__PROJECT_TARGETS__' : target_def,
'__PROJECT_TOOLS__' : tool_def,
'__PROJECT_RULES__' : rules,
'__PROJECT_PRELAUNCH__' : prelaunch,
'__PROJECT_PRERUN__' : prerun,
'__PROJECT_POSTLAUNCH__' : postlaunch
}
# 'KEY' : ( <TYPE>, [Accepted Values], <Required?>)
DSC_FORMAT = {
'TOOLS' : (list, ['newlib', 'glibc', 'pnacl', 'win'], True),
'PREREQ' : (list, '', False),
'TARGETS' : (list, {
'NAME': (str, '', True),
'TYPE': (str, ['main', 'nexe', 'lib', 'so'], True),
'SOURCES': (list, '', True),
'CCFLAGS': (list, '', False),
'CXXFLAGS': (list, '', False),
'LDFLAGS': (list, '', False),
'LIBS' : (list, '', False)
}, True),
'HEADERS': (list, {
'FILES': (list, '', True),
'DEST': (str, '', True),
}, False),
'SEARCH': (list, '', False),
'POST': (str, '', False),
'PRE': (str, '', False),
'DEST': (str, ['examples', 'src'], True),
'NAME': (str, '', False),
'DATA': (list, '', False),
'TITLE': (str, '', False),
'DESC': (str, '', False),
'INFO': (str, '', False),
'EXPERIMENTAL': (bool, [True, False], False)
}
def ErrorMsgFunc(text):
sys.stderr.write(text + '\n')
def ValidateFormat(src, format, ErrorMsg=ErrorMsgFunc):
failed = False
# Verify all required keys are there
for key in format:
(exp_type, exp_value, required) = format[key]
if required and key not in src:
ErrorMsg('Missing required key %s.' % key)
failed = True
# For each provided key, verify it's valid
for key in src:
# Verify the key is known
if key not in format:
ErrorMsg('Unexpected key %s.' % key)
failed = True
continue
exp_type, exp_value, required = format[key]
value = src[key]
# Verify the key is of the expected type
if exp_type != type(value):
ErrorMsg('Key %s expects %s not %s.' % (
key, exp_type.__name__.upper(), type(value).__name__.upper()))
failed = True
continue
# Verify the value is non-empty if required
if required and not value:
ErrorMsg('Expected non-empty value for %s.' % key)
failed = True
continue
# If it's a string and there are expected values, make sure it matches
if exp_type is str:
if type(exp_value) is list and exp_value:
if value not in exp_value:
ErrorMsg('Value %s not expected for %s.' % (value, key))
failed = True
continue
# if it's a list, then we need to validate the values
if exp_type is list:
# If we expect a dictionary, then call this recursively
if type(exp_value) is dict:
for val in value:
if not ValidateFormat(val, exp_value, ErrorMsg):
failed = True
continue
# If we expect a list of strings
if type(exp_value) is str:
for val in value:
if type(val) is not str:
ErrorMsg('Value %s in %s is not a string.' % (val, key))
failed = True
continue
# if we expect a particular string
if type(exp_value) is list:
for val in value:
if val not in exp_value:
ErrorMsg('Value %s not expected in %s.' % (val, key))
failed = True
continue
# If we got this far, it's an unexpected type
ErrorMsg('Unexpected type %s for key %s.' % (str(type(src[key])), key))
continue
return not failed
def AddMakeBat(pepperdir, makepath):
"""Create a simple batch file to execute Make.
Creates a simple batch file named make.bat for the Windows platform at the
given path, pointing to the Make executable in the SDK."""
makepath = os.path.abspath(makepath)
if not makepath.startswith(pepperdir):
buildbot_common.ErrorExit('Make.bat not relative to Pepper directory: ' +
makepath)
makeexe = os.path.abspath(os.path.join(pepperdir, 'tools'))
relpath = os.path.relpath(makeexe, makepath)
fp = open(os.path.join(makepath, 'make.bat'), 'wb')
outpath = os.path.join(relpath, 'make.exe')
# Since make.bat is only used by Windows, for Windows path style
outpath = outpath.replace(os.path.sep, '\\')
fp.write('@%s %%*\n' % outpath)
fp.close()
def FindFile(name, srcroot, srcdirs):
checks = []
for srcdir in srcdirs:
srcfile = os.path.join(srcroot, srcdir, name)
srcfile = os.path.abspath(srcfile)
if os.path.exists(srcfile):
return srcfile
else:
checks.append(srcfile)
ErrorMsgFunc('%s not found in:\n\t%s' % (name, '\n\t'.join(checks)))
return None
def IsNexe(desc):
for target in desc['TARGETS']:
if target['TYPE'] == 'main':
return True
return False
def ProcessHTML(srcroot, dstroot, desc, toolchains):
name = desc['NAME']
outdir = os.path.join(dstroot, desc['DEST'], name)
srcfile = os.path.join(srcroot, 'index.html')
tools = GetPlatforms(toolchains, desc['TOOLS'])
for tool in tools:
dstfile = os.path.join(outdir, 'index_%s.html' % tool);
print 'Writting from %s to %s' % (srcfile, dstfile)
replace = {
'<NAME>': name,
'<TITLE>': desc['TITLE'],
'<tc>': tool
}
WriteReplaced(srcfile, dstfile, replace)
replace['<tc>'] = tools[0]
srcfile = os.path.join(SDK_SRC_DIR, 'build_tools', 'redirect.html')
dstfile = os.path.join(outdir, 'index.html')
WriteReplaced(srcfile, dstfile, replace)
def LoadProject(filename, toolchains):
"""Generate a Master Makefile that builds all examples.
Load a project desciption file, verifying it conforms and checking
if it matches the set of requested toolchains. Return None if the
project is filtered out."""
print '\n\nProcessing %s...' % filename
# Default src directory is the directory the description was found in
desc = open(filename, 'r').read()
desc = eval(desc, {}, {})
# Verify the format of this file
if not ValidateFormat(desc, DSC_FORMAT):
ErrorExit('Failed to validate: ' + filename)
# Check if we are actually interested in this example
match = False
for toolchain in toolchains:
if toolchain in desc['TOOLS']:
match = True
break
if not match:
return None
return desc
def FindAndCopyFiles(src_files, root, search_dirs, dst_dir):
buildbot_common.MakeDir(dst_dir)
for src_name in src_files:
src_file = FindFile(src_name, root, search_dirs)
if not src_file:
ErrorMsgFunc('Failed to find: ' + src_name)
return None
dst_file = os.path.join(dst_dir, src_name)
buildbot_common.CopyFile(src_file, dst_file)
def ProcessProject(srcroot, dstroot, desc, toolchains):
name = desc['NAME']
out_dir = os.path.join(dstroot, desc['DEST'], name)
buildbot_common.MakeDir(out_dir)
srcdirs = desc.get('SEARCH', ['.', '..'])
# Copy sources to example directory
sources = GenerateSourceCopyList(desc)
FindAndCopyFiles(sources, srcroot, srcdirs, out_dir)
# Copy public headers to the include directory.
for headers_set in desc.get('HEADERS', []):
headers = headers_set['FILES']
header_out_dir = os.path.join(dstroot, headers_set['DEST'])
FindAndCopyFiles(headers, srcroot, srcdirs, header_out_dir)
if IsNexe(desc):
template=os.path.join(SCRIPT_DIR, 'template.mk')
else:
template=os.path.join(SCRIPT_DIR, 'library.mk')
tools = []
for tool in desc['TOOLS']:
if tool in toolchains:
tools.append(tool)
# Add Makefile and make.bat
repdict = GenerateReplacements(desc, tools)
make_path = os.path.join(out_dir, 'Makefile')
WriteReplaced(template, make_path, repdict)
outdir = os.path.dirname(os.path.abspath(make_path))
pepperdir = os.path.dirname(os.path.dirname(outdir))
AddMakeBat(pepperdir, outdir)
return (name, desc['DEST'])
def GenerateMasterMakefile(in_path, out_path, projects):
"""Generate a Master Makefile that builds all examples. """
replace = { '__PROJECT_LIST__' : SetVar('PROJECTS', projects) }
WriteReplaced(in_path, out_path, replace)
outdir = os.path.dirname(os.path.abspath(out_path))
pepperdir = os.path.dirname(outdir)
AddMakeBat(pepperdir, outdir)
def main(argv):
parser = optparse.OptionParser()
parser.add_option('--dstroot', help='Set root for destination.',
dest='dstroot', default=os.path.join(OUT_DIR, 'pepper_canary'))
parser.add_option('--master', help='Create master Makefile.',
action='store_true', dest='master', default=False)
parser.add_option('--newlib', help='Create newlib examples.',
action='store_true', dest='newlib', default=False)
parser.add_option('--glibc', help='Create glibc examples.',
action='store_true', dest='glibc', default=False)
parser.add_option('--pnacl', help='Create pnacl examples.',
action='store_true', dest='pnacl', default=False)
parser.add_option('--host', help='Create host examples.',
action='store_true', dest='host', default=False)
parser.add_option('--experimental', help='Create experimental examples.',
action='store_true', dest='experimental', default=False)
toolchains = []
platform = getos.GetPlatform()
options, args = parser.parse_args(argv)
if options.newlib:
toolchains.append('newlib')
if options.glibc:
toolchains.append('glibc')
if options.pnacl:
toolchains.append('pnacl')
if options.host:
toolchains.append(platform)
if not args:
ErrorExit('Please specify one or more projects to generate Makefiles for.')
# By default support newlib and glibc
if not toolchains:
toolchains = ['newlib', 'glibc']
print 'Using default toolchains: ' + ' '.join(toolchains)
examples = []
libs = []
for filename in args:
desc = LoadProject(filename, toolchains)
if not desc:
print 'Skipping %s, not in [%s].' % (filename, ', '.join(toolchains))
continue
if desc.get('EXPERIMENTAL', False) and not options.experimental:
print 'Skipping %s, experimental only.' % (filename,)
continue
srcroot = os.path.dirname(os.path.abspath(filename))
if not ProcessProject(srcroot, options.dstroot, desc, toolchains):
ErrorExit('\n*** Failed to process project: %s ***' % filename)
# if this is an example add it to the master make and update the html
if desc['DEST'] == 'examples':
examples.append(desc['NAME'])
ProcessHTML(srcroot, options.dstroot, desc, toolchains)
# if this is a library add it to the master make
if desc['DEST'] == 'src':
libs.append(desc['NAME'])
if options.master:
master_in = os.path.join(SDK_EXAMPLE_DIR, 'Makefile')
master_out = os.path.join(options.dstroot, 'examples', 'Makefile')
GenerateMasterMakefile(master_in, master_out, examples)
master_out = os.path.join(options.dstroot, 'src', 'Makefile')
GenerateMasterMakefile(master_in, master_out, libs)
return 0
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))
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