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source: mainline/tools/autotool.py@ 92c07dc

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lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export

Last change on this file since 92c07dc was 92c07dc, checked in by Martin Decky <martin@…>, 9 years ago
prioritize genisoimage over xorriso for now (xorriso with genisoimage personality does not support all command line options of genisoimage; but it should be possible to switch to native xorriso options instead)
Property mode set to `100755`
File size: 32.3 KB

Rev	Line
[177e4ea]	1	#!/usr/bin/env python
	2	#
	3	# Copyright (c) 2010 Martin Decky
	4	# All rights reserved.
	5	#
	6	# Redistribution and use in source and binary forms, with or without
	7	# modification, are permitted provided that the following conditions
	8	# are met:
	9	#
	10	# - Redistributions of source code must retain the above copyright
	11	# notice, this list of conditions and the following disclaimer.
	12	# - Redistributions in binary form must reproduce the above copyright
	13	# notice, this list of conditions and the following disclaimer in the
	14	# documentation and/or other materials provided with the distribution.
	15	# - The name of the author may not be used to endorse or promote products
	16	# derived from this software without specific prior written permission.
	17	#
	18	# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	19	# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	20	# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	21	# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	22	# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	23	# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	24	# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	25	# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	26	# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	27	# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	28	#
[3c80f2b]	29
[177e4ea]	30	"""
	31	Detect important prerequisites and parameters for building HelenOS
	32	"""
	33
	34	import sys
	35	import os
[4e9aaf5]	36	import shutil
[177e4ea]	37	import re
	38	import time
	39	import subprocess
	40
[4e9aaf5]	41	SANDBOX = 'autotool'
	42	CONFIG = 'Makefile.config'
	43	MAKEFILE = 'Makefile.common'
	44	HEADER = 'common.h'
	45	GUARD = 'AUTOTOOL_COMMON_H_'
	46
	47	PROBE_SOURCE = 'probe.c'
	48	PROBE_OUTPUT = 'probe.s'
[177e4ea]	49
[a420203]	50	PROBE_INT128_SOURCE = 'probe_int128.c'
	51	PROBE_INT128_OUTPUT = 'probe_int128.s'
	52
[177e4ea]	53	PACKAGE_BINUTILS = "usually part of binutils"
[a4a0f1d]	54	PACKAGE_GCC = "preferably version 4.7.0 or newer"
[177e4ea]	55	PACKAGE_CROSS = "use tools/toolchain.sh to build the cross-compiler toolchain"
	56
[4e9aaf5]	57	COMPILER_FAIL = "The compiler is probably not capable to compile HelenOS."
[96b89acb]	58	COMPILER_WARNING = "The compilation of HelenOS might fail."
[4e9aaf5]	59
[dc0b964]	60	PROBE_HEAD = """#define AUTOTOOL_DECLARE(category, subcategory, tag, name, strc, conc, value) \\
[4e9aaf5]	61	asm volatile ( \\
[dc0b964]	62	"AUTOTOOL_DECLARE\\t" category "\\t" subcategory "\\t" tag "\\t" name "\\t" strc "\\t" conc "\\t%[val]\\n" \\
[4e9aaf5]	63	: \\
	64	: [val] "n" (value) \\
	65	)
	66
[96b89acb]	67	#define STRING(arg) STRING_ARG(arg)
	68	#define STRING_ARG(arg) #arg
	69
	70	#define DECLARE_BUILTIN_TYPE(tag, type) \\
[a4a0f1d]	71	AUTOTOOL_DECLARE("builtin_size", "", tag, STRING(type), "", "", sizeof(type)); \\
	72	AUTOTOOL_DECLARE("builtin_sign", "unsigned long long int", tag, STRING(type), "unsigned", "", __builtin_types_compatible_p(type, unsigned long long int)); \\
	73	AUTOTOOL_DECLARE("builtin_sign", "unsigned long int", tag, STRING(type), "unsigned", "", __builtin_types_compatible_p(type, unsigned long int)); \\
	74	AUTOTOOL_DECLARE("builtin_sign", "unsigned int", tag, STRING(type), "unsigned", "", __builtin_types_compatible_p(type, unsigned int)); \\
	75	AUTOTOOL_DECLARE("builtin_sign", "unsigned short int", tag, STRING(type), "unsigned", "", __builtin_types_compatible_p(type, unsigned short int)); \\
	76	AUTOTOOL_DECLARE("builtin_sign", "unsigned char", tag, STRING(type), "unsigned", "", __builtin_types_compatible_p(type, unsigned char)); \\
	77	AUTOTOOL_DECLARE("builtin_sign", "signed long long int", tag, STRING(type), "signed", "", __builtin_types_compatible_p(type, signed long long int)); \\
	78	AUTOTOOL_DECLARE("builtin_sign", "signed long int", tag, STRING(type), "signed", "", __builtin_types_compatible_p(type, signed long int)); \\
	79	AUTOTOOL_DECLARE("builtin_sign", "signed int", tag, STRING(type), "signed", "", __builtin_types_compatible_p(type, signed int)); \\
	80	AUTOTOOL_DECLARE("builtin_sign", "signed short int", tag, STRING(type), "signed", "", __builtin_types_compatible_p(type, signed short int)); \\
	81	AUTOTOOL_DECLARE("builtin_sign", "signed char", tag, STRING(type), "signed", "", __builtin_types_compatible_p(type, signed char));
[96b89acb]	82
[dc0b964]	83	#define DECLARE_INTSIZE(tag, type, strc, conc) \\
	84	AUTOTOOL_DECLARE("intsize", "unsigned", tag, #type, strc, conc, sizeof(unsigned type)); \\
	85	AUTOTOOL_DECLARE("intsize", "signed", tag, #type, strc, conc, sizeof(signed type));
[4e9aaf5]	86
[a4a0f1d]	87	#define DECLARE_FLOATSIZE(tag, type) \\
	88	AUTOTOOL_DECLARE("floatsize", "", tag, #type, "", "", sizeof(type));
	89
[795e2bf]	90	extern int main(int, char *[]);
	91
[4e9aaf5]	92	int main(int argc, char *argv[])
	93	{
[96b89acb]	94	#ifdef __SIZE_TYPE__
	95	DECLARE_BUILTIN_TYPE("size", __SIZE_TYPE__);
	96	#endif
	97	#ifdef __WCHAR_TYPE__
	98	DECLARE_BUILTIN_TYPE("wchar", __WCHAR_TYPE__);
	99	#endif
	100	#ifdef __WINT_TYPE__
	101	DECLARE_BUILTIN_TYPE("wint", __WINT_TYPE__);
	102	#endif
[4e9aaf5]	103	"""
	104
	105	PROBE_TAIL = """}
	106	"""
	107
[270bf4f]	108	PROBE_INT128_HEAD = """#define AUTOTOOL_DECLARE(category, subcategory, tag, name, strc, conc, value) \\
	109	asm volatile ( \\
	110	"AUTOTOOL_DECLARE\\t" category "\\t" subcategory "\\t" tag "\\t" name "\\t" strc "\\t" conc "\\t%[val]\\n" \\
	111	: \\
	112	: [val] "n" (value) \\
	113	)
	114
	115	#define DECLARE_INTSIZE(tag, type) \\
	116	AUTOTOOL_DECLARE("intsize", "unsigned", tag, #type, "", "", sizeof(unsigned type)); \\
	117	AUTOTOOL_DECLARE("intsize", "signed", tag, #type, "", "", sizeof(signed type));
	118
[795e2bf]	119	extern int main(int, char *[]);
	120
[270bf4f]	121	int main(int argc, char *argv[])
	122	{
	123	"""
	124
	125	PROBE_INT128_TAIL = """}
	126	"""
	127
[177e4ea]	128	def read_config(fname, config):
	129	"Read HelenOS build configuration"
	130
[28f4adb]	131	inf = open(fname, 'r')
[177e4ea]	132
	133	for line in inf:
	134	res = re.match(r'^(?:#!# )?([^#]\w)\s=\s(.?)\s*$', line)
	135	if (res):
	136	config[res.group(1)] = res.group(2)
	137
	138	inf.close()
	139
	140	def print_error(msg):
	141	"Print a bold error message"
	142
	143	sys.stderr.write("\n")
	144	sys.stderr.write("######################################################################\n")
	145	sys.stderr.write("HelenOS build sanity check error:\n")
	146	sys.stderr.write("\n")
	147	sys.stderr.write("%s\n" % "\n".join(msg))
	148	sys.stderr.write("######################################################################\n")
	149	sys.stderr.write("\n")
	150
	151	sys.exit(1)
	152
[96b89acb]	153	def print_warning(msg):
	154	"Print a bold error message"
	155
	156	sys.stderr.write("\n")
	157	sys.stderr.write("######################################################################\n")
	158	sys.stderr.write("HelenOS build sanity check warning:\n")
	159	sys.stderr.write("\n")
	160	sys.stderr.write("%s\n" % "\n".join(msg))
	161	sys.stderr.write("######################################################################\n")
	162	sys.stderr.write("\n")
	163
	164	time.sleep(5)
	165
[4e9aaf5]	166	def sandbox_enter():
	167	"Create a temporal sandbox directory for running tests"
	168
	169	if (os.path.exists(SANDBOX)):
	170	if (os.path.isdir(SANDBOX)):
	171	try:
	172	shutil.rmtree(SANDBOX)
	173	except:
	174	print_error(["Unable to cleanup the directory \"%s\"." % SANDBOX])
	175	else:
	176	print_error(["Please inspect and remove unexpected directory,",
	177	"entry \"%s\"." % SANDBOX])
	178
	179	try:
	180	os.mkdir(SANDBOX)
	181	except:
	182	print_error(["Unable to create sandbox directory \"%s\"." % SANDBOX])
	183
	184	owd = os.getcwd()
	185	os.chdir(SANDBOX)
	186
	187	return owd
	188
	189	def sandbox_leave(owd):
	190	"Leave the temporal sandbox directory"
	191
	192	os.chdir(owd)
	193
[177e4ea]	194	def check_config(config, key):
	195	"Check whether the configuration key exists"
	196
	197	if (not key in config):
	198	print_error(["Build configuration of HelenOS does not contain %s." % key,
	199	"Try running \"make config\" again.",
	200	"If the problem persists, please contact the developers of HelenOS."])
	201
[4e9aaf5]	202	def check_common(common, key):
	203	"Check whether the common key exists"
	204
	205	if (not key in common):
	206	print_error(["Failed to determine the value %s." % key,
	207	"Please contact the developers of HelenOS."])
	208
[95e370f8]	209	def get_target(config):
[39ba6d5]	210	target = None
	211	gnu_target = None
[26bcc658]	212	clang_target = None
[8f2eca0]	213	helenos_target = None
[7f25c4e]	214	cc_args = []
[39ba6d5]	215
	216	if (config['PLATFORM'] == "abs32le"):
	217	check_config(config, "CROSS_TARGET")
	218	target = config['CROSS_TARGET']
	219
	220	if (config['CROSS_TARGET'] == "arm32"):
	221	gnu_target = "arm-linux-gnueabi"
[795e2bf]	222	clang_target = "arm-unknown-none"
[8f2eca0]	223	helenos_target = "arm-helenos-gnueabi"
[39ba6d5]	224
	225	if (config['CROSS_TARGET'] == "ia32"):
	226	gnu_target = "i686-pc-linux-gnu"
[795e2bf]	227	clang_target = "i686-unknown-none"
[8f2eca0]	228	helenos_target = "i686-pc-helenos"
[39ba6d5]	229
	230	if (config['CROSS_TARGET'] == "mips32"):
[795e2bf]	231	cc_args.append("-mabi=32")
[39ba6d5]	232	gnu_target = "mipsel-linux-gnu"
[795e2bf]	233	clang_target = "mipsel-unknown-none"
[8f2eca0]	234	helenos_target = "mipsel-helenos"
[39ba6d5]	235
	236	if (config['PLATFORM'] == "amd64"):
	237	target = config['PLATFORM']
	238	gnu_target = "amd64-linux-gnu"
[795e2bf]	239	clang_target = "x86_64-unknown-none"
[8f2eca0]	240	helenos_target = "amd64-helenos"
[39ba6d5]	241
	242	if (config['PLATFORM'] == "arm32"):
	243	target = config['PLATFORM']
	244	gnu_target = "arm-linux-gnueabi"
[795e2bf]	245	clang_target = "arm-unknown-none-eabi"
[8f2eca0]	246	helenos_target = "arm-helenos-gnueabi"
[39ba6d5]	247
	248	if (config['PLATFORM'] == "ia32"):
	249	target = config['PLATFORM']
	250	gnu_target = "i686-pc-linux-gnu"
[795e2bf]	251	clang_target = "i686-unknown-none"
[8f2eca0]	252	helenos_target = "i686-pc-helenos"
[39ba6d5]	253
	254	if (config['PLATFORM'] == "ia64"):
	255	target = config['PLATFORM']
	256	gnu_target = "ia64-pc-linux-gnu"
[8f2eca0]	257	helenos_target = "ia64-pc-helenos"
[39ba6d5]	258
	259	if (config['PLATFORM'] == "mips32"):
	260	check_config(config, "MACHINE")
[7f25c4e]	261	cc_args.append("-mabi=32")
[39ba6d5]	262
[b183ce0a]	263	if ((config['MACHINE'] == "msim") or (config['MACHINE'] == "lmalta")):
[39ba6d5]	264	target = config['PLATFORM']
	265	gnu_target = "mipsel-linux-gnu"
[795e2bf]	266	clang_target = "mipsel-unknown-none"
[8f2eca0]	267	helenos_target = "mipsel-helenos"
[39ba6d5]	268
[b183ce0a]	269	if ((config['MACHINE'] == "bmalta")):
[39ba6d5]	270	target = "mips32eb"
	271	gnu_target = "mips-linux-gnu"
[795e2bf]	272	clang_target = "mips-unknown-none"
[8f2eca0]	273	helenos_target = "mips-helenos"
[39ba6d5]	274
	275	if (config['PLATFORM'] == "mips64"):
	276	check_config(config, "MACHINE")
[7f25c4e]	277	cc_args.append("-mabi=64")
[39ba6d5]	278
	279	if (config['MACHINE'] == "msim"):
	280	target = config['PLATFORM']
	281	gnu_target = "mips64el-linux-gnu"
[795e2bf]	282	clang_target = "mips64el-unknown-none"
[8f2eca0]	283	helenos_target = "mips64el-helenos"
[39ba6d5]	284
	285	if (config['PLATFORM'] == "ppc32"):
	286	target = config['PLATFORM']
	287	gnu_target = "ppc-linux-gnu"
[795e2bf]	288	clang_target = "ppc-unknown-none"
[8f2eca0]	289	helenos_target = "ppc-helenos"
[39ba6d5]	290
[0c2d9bb]	291	if (config['PLATFORM'] == "sparc32"):
	292	target = config['PLATFORM'];
	293	gnu_target = "sparc-leon3-linux-gnu"
	294	helenos_target = "sparc-leon3-helenos"
[39ba6d5]	295
	296	if (config['PLATFORM'] == "sparc64"):
	297	target = config['PLATFORM']
	298	gnu_target = "sparc64-linux-gnu"
[795e2bf]	299	clang_target = "sparc-unknown-none"
[8f2eca0]	300	helenos_target = "sparc64-helenos"
[39ba6d5]	301
[8f2eca0]	302	return (target, cc_args, gnu_target, clang_target, helenos_target)
[39ba6d5]	303
[177e4ea]	304	def check_app(args, name, details):
	305	"Check whether an application can be executed"
	306
	307	try:
	308	sys.stderr.write("Checking for %s ... " % args[0])
	309	subprocess.Popen(args, stdout = subprocess.PIPE, stderr = subprocess.PIPE).wait()
	310	except:
	311	sys.stderr.write("failed\n")
	312	print_error(["%s is missing." % name,
	313	"",
	314	"Execution of \"%s\" has failed. Please make sure that it" % " ".join(args),
	315	"is installed in your system (%s)." % details])
	316
	317	sys.stderr.write("ok\n")
	318
[7174403]	319	def check_app_alternatives(alts, args, name, details):
	320	"Check whether an application can be executed (use several alternatives)"
	321
	322	tried = []
	323	found = None
	324
	325	for alt in alts:
	326	working = True
	327	cmdline = [alt] + args
	328	tried.append(" ".join(cmdline))
	329
	330	try:
	331	sys.stderr.write("Checking for %s ... " % alt)
	332	subprocess.Popen(cmdline, stdout = subprocess.PIPE, stderr = subprocess.PIPE).wait()
	333	except:
	334	sys.stderr.write("failed\n")
	335	working = False
	336
	337	if (working):
	338	sys.stderr.write("ok\n")
	339	found = alt
	340	break
	341
	342	if (found is None):
	343	print_error(["%s is missing." % name,
	344	"",
	345	"Please make sure that it is installed in your",
	346	"system (%s)." % details,
	347	"",
	348	"The following alternatives were tried:"] + tried)
	349
	350	return found
	351
[177e4ea]	352	def check_gcc(path, prefix, common, details):
	353	"Check for GCC"
	354
	355	common['GCC'] = "%sgcc" % prefix
	356
	357	if (not path is None):
	358	common['GCC'] = "%s/%s" % (path, common['GCC'])
	359
	360	check_app([common['GCC'], "--version"], "GNU GCC", details)
	361
	362	def check_binutils(path, prefix, common, details):
	363	"Check for binutils toolchain"
	364
	365	common['AS'] = "%sas" % prefix
	366	common['LD'] = "%sld" % prefix
	367	common['AR'] = "%sar" % prefix
	368	common['OBJCOPY'] = "%sobjcopy" % prefix
	369	common['OBJDUMP'] = "%sobjdump" % prefix
[a4125fb1]	370	common['STRIP'] = "%sstrip" % prefix
[177e4ea]	371
	372	if (not path is None):
[a4125fb1]	373	for key in ["AS", "LD", "AR", "OBJCOPY", "OBJDUMP", "STRIP"]:
[177e4ea]	374	common[key] = "%s/%s" % (path, common[key])
	375
	376	check_app([common['AS'], "--version"], "GNU Assembler", details)
	377	check_app([common['LD'], "--version"], "GNU Linker", details)
	378	check_app([common['AR'], "--version"], "GNU Archiver", details)
	379	check_app([common['OBJCOPY'], "--version"], "GNU Objcopy utility", details)
	380	check_app([common['OBJDUMP'], "--version"], "GNU Objdump utility", details)
[a4125fb1]	381	check_app([common['STRIP'], "--version"], "GNU strip", details)
[177e4ea]	382
[ec07933]	383	def check_python():
	384	"Check for Python dependencies"
	385
	386	try:
	387	sys.stderr.write("Checking for PyYAML ... ")
	388	import yaml
	389	except ImportError:
	390	print_error(["PyYAML is missing.",
	391	"",
	392	"Please make sure that it is installed in your",
	393	"system (usually part of PyYAML package)."])
	394
	395	sys.stderr.write("ok\n")
	396
[96b89acb]	397	def decode_value(value):
	398	"Decode integer value"
	399
	400	base = 10
	401
	402	if ((value.startswith('$')) or (value.startswith('#'))):
	403	value = value[1:]
	404
	405	if (value.startswith('0x')):
	406	value = value[2:]
	407	base = 16
	408
	409	return int(value, base)
	410
[a4a0f1d]	411	def probe_compiler(common, intsizes, floatsizes):
[4e9aaf5]	412	"Generate, compile and parse probing source"
	413
	414	check_common(common, "CC")
	415
[28f4adb]	416	outf = open(PROBE_SOURCE, 'w')
[4e9aaf5]	417	outf.write(PROBE_HEAD)
	418
[a4a0f1d]	419	for typedef in intsizes:
[dc0b964]	420	outf.write("\tDECLARE_INTSIZE(\"%s\", %s, %s, %s);\n" % (typedef['tag'], typedef['type'], typedef['strc'], typedef['conc']))
[4e9aaf5]	421
[a4a0f1d]	422	for typedef in floatsizes:
[795e2bf]	423	outf.write("\tDECLARE_FLOATSIZE(\"%s\", %s);\n" % (typedef['tag'], typedef['type']))
[a4a0f1d]	424
[4e9aaf5]	425	outf.write(PROBE_TAIL)
	426	outf.close()
	427
[2429e4a]	428	args = [common['CC']]
	429	args.extend(common['CC_ARGS'])
	430	args.extend(["-S", "-o", PROBE_OUTPUT, PROBE_SOURCE])
[4e9aaf5]	431
	432	try:
	433	sys.stderr.write("Checking compiler properties ... ")
	434	output = subprocess.Popen(args, stdout = subprocess.PIPE, stderr = subprocess.PIPE).communicate()
	435	except:
	436	sys.stderr.write("failed\n")
	437	print_error(["Error executing \"%s\"." % " ".join(args),
	438	"Make sure that the compiler works properly."])
	439
	440	if (not os.path.isfile(PROBE_OUTPUT)):
	441	sys.stderr.write("failed\n")
[28f4adb]	442	print(output[1])
[4e9aaf5]	443	print_error(["Error executing \"%s\"." % " ".join(args),
	444	"The compiler did not produce the output file \"%s\"." % PROBE_OUTPUT,
	445	"",
	446	output[0],
	447	output[1]])
	448
	449	sys.stderr.write("ok\n")
	450
[28f4adb]	451	inf = open(PROBE_OUTPUT, 'r')
[4e9aaf5]	452	lines = inf.readlines()
	453	inf.close()
	454
	455	unsigned_sizes = {}
	456	signed_sizes = {}
	457
[9539be6]	458	unsigned_tags = {}
	459	signed_tags = {}
	460
[dc0b964]	461	unsigned_strcs = {}
	462	signed_strcs = {}
	463
	464	unsigned_concs = {}
	465	signed_concs = {}
	466
[a4a0f1d]	467	float_tags = {}
	468
	469	builtin_sizes = {}
	470	builtin_signs = {}
[96b89acb]	471
[4e9aaf5]	472	for j in range(len(lines)):
	473	tokens = lines[j].strip().split("\t")
	474
	475	if (len(tokens) > 0):
	476	if (tokens[0] == "AUTOTOOL_DECLARE"):
[dc0b964]	477	if (len(tokens) < 7):
[4e9aaf5]	478	print_error(["Malformed declaration in \"%s\" on line %s." % (PROBE_OUTPUT, j), COMPILER_FAIL])
	479
	480	category = tokens[1]
	481	subcategory = tokens[2]
[9539be6]	482	tag = tokens[3]
	483	name = tokens[4]
[dc0b964]	484	strc = tokens[5]
	485	conc = tokens[6]
	486	value = tokens[7]
[4e9aaf5]	487
	488	if (category == "intsize"):
	489	try:
[96b89acb]	490	value_int = decode_value(value)
[4e9aaf5]	491	except:
	492	print_error(["Integer value expected in \"%s\" on line %s." % (PROBE_OUTPUT, j), COMPILER_FAIL])
	493
	494	if (subcategory == "unsigned"):
[96b89acb]	495	unsigned_sizes[value_int] = name
[9539be6]	496	unsigned_tags[tag] = value_int
[96b89acb]	497	unsigned_strcs[value_int] = strc
	498	unsigned_concs[value_int] = conc
[4e9aaf5]	499	elif (subcategory == "signed"):
[96b89acb]	500	signed_sizes[value_int] = name
[9539be6]	501	signed_tags[tag] = value_int
[96b89acb]	502	signed_strcs[value_int] = strc
	503	signed_concs[value_int] = conc
[4e9aaf5]	504	else:
	505	print_error(["Unexpected keyword \"%s\" in \"%s\" on line %s." % (subcategory, PROBE_OUTPUT, j), COMPILER_FAIL])
[96b89acb]	506
[a4a0f1d]	507	if (category == "floatsize"):
	508	try:
	509	value_int = decode_value(value)
	510	except:
	511	print_error(["Integer value expected in \"%s\" on line %s." % (PROBE_OUTPUT, j), COMPILER_FAIL])
	512
	513	float_tags[tag] = value_int
	514
	515	if (category == "builtin_size"):
[96b89acb]	516	try:
	517	value_int = decode_value(value)
	518	except:
	519	print_error(["Integer value expected in \"%s\" on line %s." % (PROBE_OUTPUT, j), COMPILER_FAIL])
	520
[a4a0f1d]	521	builtin_sizes[tag] = {'name': name, 'value': value_int}
	522
	523	if (category == "builtin_sign"):
	524	try:
	525	value_int = decode_value(value)
	526	except:
	527	print_error(["Integer value expected in \"%s\" on line %s." % (PROBE_OUTPUT, j), COMPILER_FAIL])
	528
	529	if (value_int == 1):
	530	if (not tag in builtin_signs):
	531	builtin_signs[tag] = strc;
	532	elif (builtin_signs[tag] != strc):
	533	print_error(["Inconsistent builtin type detection in \"%s\" on line %s." % (PROBE_OUTPUT, j), COMPILER_FAIL])
[4e9aaf5]	534
[a4a0f1d]	535	return {'unsigned_sizes': unsigned_sizes, 'signed_sizes': signed_sizes, 'unsigned_tags': unsigned_tags, 'signed_tags': signed_tags, 'unsigned_strcs': unsigned_strcs, 'signed_strcs': signed_strcs, 'unsigned_concs': unsigned_concs, 'signed_concs': signed_concs, 'float_tags': float_tags, 'builtin_sizes': builtin_sizes, 'builtin_signs': builtin_signs}
[4e9aaf5]	536
[270bf4f]	537	def probe_int128(common):
	538	"Generate, compile and parse probing source for 128-bit integers"
	539
	540	check_common(common, "CC")
	541
[a420203]	542	outf = open(PROBE_INT128_SOURCE, 'w')
[270bf4f]	543	outf.write(PROBE_INT128_HEAD)
	544	outf.write("\tDECLARE_INTSIZE(\"INT128\", int __attribute((mode(TI))));\n")
	545	outf.write(PROBE_INT128_TAIL)
	546	outf.close()
	547
	548	args = [common['CC']]
	549	args.extend(common['CC_ARGS'])
[a420203]	550	args.extend(["-S", "-o", PROBE_INT128_OUTPUT, PROBE_INT128_SOURCE])
[270bf4f]	551
	552	try:
	553	sys.stderr.write("Checking whether the compiler has intrinsic support for 128-bit integers ... ")
	554	output = subprocess.Popen(args, stdout = subprocess.PIPE, stderr = subprocess.PIPE).communicate()
	555	except:
	556	sys.stderr.write("no\n")
	557	return False
	558
[a420203]	559	if (not os.path.isfile(PROBE_INT128_OUTPUT)):
[270bf4f]	560	sys.stderr.write("no\n")
	561	return False
	562
[a420203]	563	inf = open(PROBE_INT128_OUTPUT, 'r')
[270bf4f]	564	lines = inf.readlines()
	565	inf.close()
	566
	567	for j in range(len(lines)):
	568	tokens = lines[j].strip().split("\t")
	569
	570	if (len(tokens) > 0):
	571	if (tokens[0] == "AUTOTOOL_DECLARE"):
	572	if (len(tokens) < 7):
[a420203]	573	print_error(["Malformed declaration in \"%s\" on line %s." % (PROBE_INT128_OUTPUT, j), COMPILER_FAIL])
[270bf4f]	574
	575	category = tokens[1]
	576	subcategory = tokens[2]
	577	tag = tokens[3]
	578	name = tokens[4]
	579	strc = tokens[5]
	580	conc = tokens[6]
	581	value = tokens[7]
	582
	583	if (category == "intsize"):
	584	try:
	585	value_int = decode_value(value)
	586	except:
[a420203]	587	print_error(["Integer value expected in \"%s\" on line %s." % (PROBE_INT128_OUTPUT, j), COMPILER_FAIL])
[270bf4f]	588
	589	if (subcategory == "unsigned"):
	590	if (value_int != 16):
	591	sys.stderr.write("no\n")
	592	return False
	593	elif (subcategory == "signed"):
	594	if (value_int != 16):
	595	sys.stderr.write("no\n")
	596	return False
	597	else:
[a420203]	598	print_error(["Unexpected keyword \"%s\" in \"%s\" on line %s." % (subcategory, PROBE_INT128_OUTPUT, j), COMPILER_FAIL])
[270bf4f]	599
	600	sys.stderr.write("yes\n")
	601	return True
	602
[a4a0f1d]	603	def detect_sizes(probe, bytes, inttags, floattags):
	604	"Detect correct types for fixed-size types"
[4e9aaf5]	605
[9539be6]	606	macros = []
[4e9aaf5]	607	typedefs = []
	608
	609	for b in bytes:
[96b89acb]	610	if (not b in probe['unsigned_sizes']):
[a4a0f1d]	611	print_error(['Unable to find appropriate unsigned integer type for %u bytes.' % b,
[4e9aaf5]	612	COMPILER_FAIL])
	613
[96b89acb]	614	if (not b in probe['signed_sizes']):
[a4a0f1d]	615	print_error(['Unable to find appropriate signed integer type for %u bytes.' % b,
[4e9aaf5]	616	COMPILER_FAIL])
[dc0b964]	617
[96b89acb]	618	if (not b in probe['unsigned_strcs']):
[a4a0f1d]	619	print_error(['Unable to find appropriate unsigned printf formatter for %u bytes.' % b,
[85369b1]	620	COMPILER_FAIL])
[dc0b964]	621
[96b89acb]	622	if (not b in probe['signed_strcs']):
[a4a0f1d]	623	print_error(['Unable to find appropriate signed printf formatter for %u bytes.' % b,
[85369b1]	624	COMPILER_FAIL])
[dc0b964]	625
[96b89acb]	626	if (not b in probe['unsigned_concs']):
[a4a0f1d]	627	print_error(['Unable to find appropriate unsigned literal macro for %u bytes.' % b,
[85369b1]	628	COMPILER_FAIL])
[dc0b964]	629
[96b89acb]	630	if (not b in probe['signed_concs']):
[a4a0f1d]	631	print_error(['Unable to find appropriate signed literal macro for %u bytes.' % b,
[96b89acb]	632	COMPILER_FAIL])
[dc0b964]	633
[96b89acb]	634	typedefs.append({'oldtype': "unsigned %s" % probe['unsigned_sizes'][b], 'newtype': "uint%u_t" % (b * 8)})
	635	typedefs.append({'oldtype': "signed %s" % probe['signed_sizes'][b], 'newtype': "int%u_t" % (b * 8)})
[dc0b964]	636
[d408ea0]	637	macros.append({'oldmacro': "unsigned %s" % probe['unsigned_sizes'][b], 'newmacro': "UINT%u_T" % (b * 8)})
	638	macros.append({'oldmacro': "signed %s" % probe['signed_sizes'][b], 'newmacro': "INT%u_T" % (b * 8)})
	639
[96b89acb]	640	macros.append({'oldmacro': "\"%so\"" % probe['unsigned_strcs'][b], 'newmacro': "PRIo%u" % (b * 8)})
	641	macros.append({'oldmacro': "\"%su\"" % probe['unsigned_strcs'][b], 'newmacro': "PRIu%u" % (b * 8)})
	642	macros.append({'oldmacro': "\"%sx\"" % probe['unsigned_strcs'][b], 'newmacro': "PRIx%u" % (b * 8)})
	643	macros.append({'oldmacro': "\"%sX\"" % probe['unsigned_strcs'][b], 'newmacro': "PRIX%u" % (b * 8)})
	644	macros.append({'oldmacro': "\"%sd\"" % probe['signed_strcs'][b], 'newmacro': "PRId%u" % (b * 8)})
[9539be6]	645
[96b89acb]	646	name = probe['unsigned_concs'][b]
	647	if ((name.startswith('@')) or (name == "")):
	648	macros.append({'oldmacro': "c ## U", 'newmacro': "UINT%u_C(c)" % (b * 8)})
	649	else:
	650	macros.append({'oldmacro': "c ## U%s" % name, 'newmacro': "UINT%u_C(c)" % (b * 8)})
[9539be6]	651
[96b89acb]	652	name = probe['unsigned_concs'][b]
	653	if ((name.startswith('@')) or (name == "")):
	654	macros.append({'oldmacro': "c", 'newmacro': "INT%u_C(c)" % (b * 8)})
	655	else:
	656	macros.append({'oldmacro': "c ## %s" % name, 'newmacro': "INT%u_C(c)" % (b * 8)})
	657
[a4a0f1d]	658	for tag in inttags:
[96b89acb]	659	newmacro = "U%s" % tag
	660	if (not tag in probe['unsigned_tags']):
[a4a0f1d]	661	print_error(['Unable to find appropriate size macro for %s.' % newmacro,
[9539be6]	662	COMPILER_FAIL])
	663
[96b89acb]	664	oldmacro = "UINT%s" % (probe['unsigned_tags'][tag] * 8)
	665	macros.append({'oldmacro': "%s_MIN" % oldmacro, 'newmacro': "%s_MIN" % newmacro})
	666	macros.append({'oldmacro': "%s_MAX" % oldmacro, 'newmacro': "%s_MAX" % newmacro})
[a4a0f1d]	667	macros.append({'oldmacro': "1", 'newmacro': 'U%s_SIZE_%s' % (tag, probe['unsigned_tags'][tag] * 8)})
[9539be6]	668
[96b89acb]	669	newmacro = tag
[a4a0f1d]	670	if (not tag in probe['signed_tags']):
[9539be6]	671	print_error(['Unable to find appropriate size macro for %s' % newmacro,
	672	COMPILER_FAIL])
[96b89acb]	673
	674	oldmacro = "INT%s" % (probe['signed_tags'][tag] * 8)
	675	macros.append({'oldmacro': "%s_MIN" % oldmacro, 'newmacro': "%s_MIN" % newmacro})
	676	macros.append({'oldmacro': "%s_MAX" % oldmacro, 'newmacro': "%s_MAX" % newmacro})
[a4a0f1d]	677	macros.append({'oldmacro': "1", 'newmacro': '%s_SIZE_%s' % (tag, probe['signed_tags'][tag] * 8)})
	678
	679	for tag in floattags:
	680	if (not tag in probe['float_tags']):
	681	print_error(['Unable to find appropriate size macro for %s' % tag,
	682	COMPILER_FAIL])
	683
	684	macros.append({'oldmacro': "1", 'newmacro': '%s_SIZE_%s' % (tag, probe['float_tags'][tag] * 8)})
	685
	686	if (not 'size' in probe['builtin_signs']):
	687	print_error(['Unable to determine whether size_t is signed or unsigned.',
	688	COMPILER_FAIL])
	689
	690	if (probe['builtin_signs']['size'] != 'unsigned'):
	691	print_error(['The type size_t is not unsigned.',
	692	COMPILER_FAIL])
[96b89acb]	693
	694	fnd = True
	695
[a4a0f1d]	696	if (not 'wchar' in probe['builtin_sizes']):
[96b89acb]	697	print_warning(['The compiler does not provide the macro __WCHAR_TYPE__',
	698	'for defining the compiler-native type wchar_t. We are',
	699	'forced to define wchar_t as a hardwired type int32_t.',
	700	COMPILER_WARNING])
	701	fnd = False
	702
[a4a0f1d]	703	if (probe['builtin_sizes']['wchar']['value'] != 4):
[96b89acb]	704	print_warning(['The compiler provided macro __WCHAR_TYPE__ for defining',
	705	'the compiler-native type wchar_t is not compliant with',
	706	'HelenOS. We are forced to define wchar_t as a hardwired',
	707	'type int32_t.',
	708	COMPILER_WARNING])
	709	fnd = False
	710
	711	if (not fnd):
	712	macros.append({'oldmacro': "int32_t", 'newmacro': "wchar_t"})
	713	else:
	714	macros.append({'oldmacro': "__WCHAR_TYPE__", 'newmacro': "wchar_t"})
	715
[a4a0f1d]	716	if (not 'wchar' in probe['builtin_signs']):
	717	print_error(['Unable to determine whether wchar_t is signed or unsigned.',
	718	COMPILER_FAIL])
	719
	720	if (probe['builtin_signs']['wchar'] == 'unsigned'):
	721	macros.append({'oldmacro': "1", 'newmacro': 'WCHAR_IS_UNSIGNED'})
	722	if (probe['builtin_signs']['wchar'] == 'signed'):
	723	macros.append({'oldmacro': "1", 'newmacro': 'WCHAR_IS_SIGNED'})
	724
[96b89acb]	725	fnd = True
	726
[a4a0f1d]	727	if (not 'wint' in probe['builtin_sizes']):
[96b89acb]	728	print_warning(['The compiler does not provide the macro __WINT_TYPE__',
	729	'for defining the compiler-native type wint_t. We are',
	730	'forced to define wint_t as a hardwired type int32_t.',
	731	COMPILER_WARNING])
	732	fnd = False
	733
[a4a0f1d]	734	if (probe['builtin_sizes']['wint']['value'] != 4):
[96b89acb]	735	print_warning(['The compiler provided macro __WINT_TYPE__ for defining',
	736	'the compiler-native type wint_t is not compliant with',
	737	'HelenOS. We are forced to define wint_t as a hardwired',
	738	'type int32_t.',
	739	COMPILER_WARNING])
	740	fnd = False
	741
	742	if (not fnd):
	743	macros.append({'oldmacro': "int32_t", 'newmacro': "wint_t"})
	744	else:
	745	macros.append({'oldmacro': "__WINT_TYPE__", 'newmacro': "wint_t"})
[9539be6]	746
[a4a0f1d]	747	if (not 'wint' in probe['builtin_signs']):
	748	print_error(['Unable to determine whether wint_t is signed or unsigned.',
	749	COMPILER_FAIL])
	750
	751	if (probe['builtin_signs']['wint'] == 'unsigned'):
	752	macros.append({'oldmacro': "1", 'newmacro': 'WINT_IS_UNSIGNED'})
	753	if (probe['builtin_signs']['wint'] == 'signed'):
	754	macros.append({'oldmacro': "1", 'newmacro': 'WINT_IS_SIGNED'})
	755
[9539be6]	756	return {'macros': macros, 'typedefs': typedefs}
[4e9aaf5]	757
	758	def create_makefile(mkname, common):
	759	"Create makefile output"
[177e4ea]	760
[28f4adb]	761	outmk = open(mkname, 'w')
[177e4ea]	762
[4e9aaf5]	763	outmk.write('#########################################\n')
	764	outmk.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n')
[571239a]	765	outmk.write('## Generated by: tools/autotool.py ##\n')
[4e9aaf5]	766	outmk.write('#########################################\n\n')
[177e4ea]	767
	768	for key, value in common.items():
[7174403]	769	if (type(value) is list):
	770	outmk.write('%s = %s\n' % (key, " ".join(value)))
	771	else:
	772	outmk.write('%s = %s\n' % (key, value))
[4e9aaf5]	773
	774	outmk.close()
	775
[270bf4f]	776	def create_header(hdname, maps, int128):
[4e9aaf5]	777	"Create header output"
	778
[28f4adb]	779	outhd = open(hdname, 'w')
[4e9aaf5]	780
	781	outhd.write('/***************************************\n')
	782	outhd.write(' * AUTO-GENERATED FILE, DO NOT EDIT!!! *\n')
[571239a]	783	outhd.write(' * Generated by: tools/autotool.py *\n')
[4e9aaf5]	784	outhd.write(' ***************************************/\n\n')
[177e4ea]	785
[4e9aaf5]	786	outhd.write('#ifndef %s\n' % GUARD)
	787	outhd.write('#define %s\n\n' % GUARD)
	788
[9539be6]	789	for macro in maps['macros']:
	790	outhd.write('#define %s %s\n' % (macro['newmacro'], macro['oldmacro']))
	791
	792	outhd.write('\n')
	793
	794	for typedef in maps['typedefs']:
[4e9aaf5]	795	outhd.write('typedef %s %s;\n' % (typedef['oldtype'], typedef['newtype']))
	796
[270bf4f]	797	if (int128):
	798	outhd.write('typedef unsigned int __attribute((mode(TI))) uint128_t;\n')
	799	outhd.write('typedef signed int __attribute((mode(TI))) int128_t;\n')
	800
[4e9aaf5]	801	outhd.write('\n#endif\n')
	802	outhd.close()
[177e4ea]	803
	804	def main():
	805	config = {}
	806	common = {}
	807
	808	# Read and check configuration
[4e9aaf5]	809	if os.path.exists(CONFIG):
	810	read_config(CONFIG, config)
[177e4ea]	811	else:
[4e9aaf5]	812	print_error(["Configuration file %s not found! Make sure that the" % CONFIG,
[177e4ea]	813	"configuration phase of HelenOS build went OK. Try running",
	814	"\"make config\" again."])
	815
	816	check_config(config, "PLATFORM")
	817	check_config(config, "COMPILER")
	818	check_config(config, "BARCH")
	819
	820	# Cross-compiler prefix
	821	if ('CROSS_PREFIX' in os.environ):
	822	cross_prefix = os.environ['CROSS_PREFIX']
	823	else:
[603c8740]	824	cross_prefix = "/usr/local/cross"
[177e4ea]	825
[8f2eca0]	826	# HelenOS cross-compiler prefix
	827	if ('CROSS_HELENOS_PREFIX' in os.environ):
	828	cross_helenos_prefix = os.environ['CROSS_HELENOS_PREFIX']
	829	else:
	830	cross_helenos_prefix = "/usr/local/cross-helenos"
	831
[177e4ea]	832	# Prefix binutils tools on Solaris
	833	if (os.uname()[0] == "SunOS"):
	834	binutils_prefix = "g"
	835	else:
	836	binutils_prefix = ""
	837
[4e9aaf5]	838	owd = sandbox_enter()
	839
	840	try:
	841	# Common utilities
	842	check_app(["ln", "--version"], "Symlink utility", "usually part of coreutils")
	843	check_app(["rm", "--version"], "File remove utility", "usually part of coreutils")
	844	check_app(["mkdir", "--version"], "Directory creation utility", "usually part of coreutils")
	845	check_app(["cp", "--version"], "Copy utility", "usually part of coreutils")
	846	check_app(["find", "--version"], "Find utility", "usually part of findutils")
	847	check_app(["diff", "--version"], "Diff utility", "usually part of diffutils")
	848	check_app(["make", "--version"], "Make utility", "preferably GNU Make")
	849	check_app(["makedepend", "-f", "-"], "Makedepend utility", "usually part of imake or xutils")
	850
	851	# Compiler
[2429e4a]	852	common['CC_ARGS'] = []
[4e9aaf5]	853	if (config['COMPILER'] == "gcc_cross"):
[8f2eca0]	854	target, cc_args, gnu_target, clang_target, helenos_target = get_target(config)
[95e370f8]	855
	856	if (target is None) or (gnu_target is None):
	857	print_error(["Unsupported compiler target for GNU GCC.",
	858	"Please contact the developers of HelenOS."])
	859
[4e9aaf5]	860	path = "%s/%s/bin" % (cross_prefix, target)
	861	prefix = "%s-" % gnu_target
	862
	863	check_gcc(path, prefix, common, PACKAGE_CROSS)
	864	check_binutils(path, prefix, common, PACKAGE_CROSS)
	865
	866	check_common(common, "GCC")
	867	common['CC'] = common['GCC']
[7f25c4e]	868	common['CC_ARGS'].extend(cc_args)
[177e4ea]	869
[8f2eca0]	870	if (config['COMPILER'] == "gcc_helenos"):
	871	target, cc_args, gnu_target, clang_target, helenos_target = get_target(config)
	872
	873	if (target is None) or (helenos_target is None):
	874	print_error(["Unsupported compiler target for GNU GCC.",
	875	"Please contact the developers of HelenOS."])
	876
	877	path = "%s/%s/bin" % (cross_helenos_prefix, target)
	878	prefix = "%s-" % helenos_target
	879
	880	check_gcc(path, prefix, common, PACKAGE_CROSS)
	881	check_binutils(path, prefix, common, PACKAGE_CROSS)
	882
	883	check_common(common, "GCC")
	884	common['CC'] = common['GCC']
	885	common['CC_ARGS'].extend(cc_args)
	886
[4e9aaf5]	887	if (config['COMPILER'] == "gcc_native"):
	888	check_gcc(None, "", common, PACKAGE_GCC)
	889	check_binutils(None, binutils_prefix, common, PACKAGE_BINUTILS)
	890
	891	check_common(common, "GCC")
	892	common['CC'] = common['GCC']
[177e4ea]	893
[4e9aaf5]	894	if (config['COMPILER'] == "icc"):
	895	check_app([common['CC'], "-V"], "Intel C++ Compiler", "support is experimental")
	896	check_gcc(None, "", common, PACKAGE_GCC)
	897	check_binutils(None, binutils_prefix, common, PACKAGE_BINUTILS)
[795e2bf]	898
	899	common['CC'] = "icc"
[177e4ea]	900
[4e9aaf5]	901	if (config['COMPILER'] == "clang"):
[0dd022ec]	902	target, cc_args, gnu_target, clang_target, helenos_target = get_target(config)
[95e370f8]	903
	904	if (target is None) or (gnu_target is None) or (clang_target is None):
	905	print_error(["Unsupported compiler target for clang.",
	906	"Please contact the developers of HelenOS."])
	907
[39ba6d5]	908	path = "%s/%s/bin" % (cross_prefix, target)
	909	prefix = "%s-" % gnu_target
	910
[95e370f8]	911	check_app(["clang", "--version"], "clang compiler", "preferably version 1.0 or newer")
	912	check_gcc(path, prefix, common, PACKAGE_GCC)
	913	check_binutils(path, prefix, common, PACKAGE_BINUTILS)
	914
	915	check_common(common, "GCC")
[4e9aaf5]	916	common['CC'] = "clang"
[7f25c4e]	917	common['CC_ARGS'].extend(cc_args)
[26bcc658]	918	common['CC_ARGS'].append("-target")
	919	common['CC_ARGS'].append(clang_target)
[95e370f8]	920	common['CLANG_TARGET'] = clang_target
[177e4ea]	921
[ec07933]	922	check_python()
	923
[4e9aaf5]	924	# Platform-specific utilities
	925	if ((config['BARCH'] == "amd64") or (config['BARCH'] == "ia32") or (config['BARCH'] == "ppc32") or (config['BARCH'] == "sparc64")):
[92c07dc]	926	common['GENISOIMAGE'] = check_app_alternatives(["mkisofs", "genisoimage", "xorriso"], ["--version"], "ISO 9660 creation utility", "usually part of genisoimage")
[b6bbc74]	927	if common['GENISOIMAGE'] == 'xorriso':
[92c07dc]	928	common['GENISOIMAGE'] += ' -as genisoimage'
[177e4ea]	929
[4e9aaf5]	930	probe = probe_compiler(common,
	931	[
[96b89acb]	932	{'type': 'long long int', 'tag': 'LLONG', 'strc': '"ll"', 'conc': '"LL"'},
[dc0b964]	933	{'type': 'long int', 'tag': 'LONG', 'strc': '"l"', 'conc': '"L"'},
[96b89acb]	934	{'type': 'int', 'tag': 'INT', 'strc': '""', 'conc': '""'},
	935	{'type': 'short int', 'tag': 'SHORT', 'strc': '"h"', 'conc': '"@"'},
	936	{'type': 'char', 'tag': 'CHAR', 'strc': '"hh"', 'conc': '"@@"'}
[a4a0f1d]	937	],
	938	[
	939	{'type': 'long double', 'tag': 'LONG_DOUBLE'},
	940	{'type': 'double', 'tag': 'DOUBLE'},
	941	{'type': 'float', 'tag': 'FLOAT'}
[4e9aaf5]	942	]
	943	)
[177e4ea]	944
[270bf4f]	945	int128 = probe_int128(common)
	946
[a4a0f1d]	947	maps = detect_sizes(probe, [1, 2, 4, 8], ['CHAR', 'SHORT', 'INT', 'LONG', 'LLONG'], ['LONG_DOUBLE', 'DOUBLE', 'FLOAT'])
[177e4ea]	948
[4e9aaf5]	949	finally:
	950	sandbox_leave(owd)
	951
[57292d3]	952	common['AUTOGEN'] = "%s/autogen.py" % os.path.dirname(os.path.abspath(sys.argv[0]))
[270bf4f]	953
[4e9aaf5]	954	create_makefile(MAKEFILE, common)
[270bf4f]	955	create_header(HEADER, maps, int128)
[177e4ea]	956
	957	return 0
	958
	959	if __name__ == '__main__':
	960	sys.exit(main())

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