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source: mainline/tools/autotool.py@ 83fd0d7

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

Last change on this file since 83fd0d7 was 96b89acb, checked in by Martin Decky <martin@…>, 15 years ago
check compatibility of the compiler's wchar_t and wint_t simplify integer types detection invert the preference of integer types (shorter types are now prefered over longer types)
Property mode set to `100755`
File size: 20.7 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
	50	PACKAGE_BINUTILS = "usually part of binutils"
[dc0b964]	51	PACKAGE_GCC = "preferably version 4.5.1 or newer"
[177e4ea]	52	PACKAGE_CROSS = "use tools/toolchain.sh to build the cross-compiler toolchain"
	53
[4e9aaf5]	54	COMPILER_FAIL = "The compiler is probably not capable to compile HelenOS."
[96b89acb]	55	COMPILER_WARNING = "The compilation of HelenOS might fail."
[4e9aaf5]	56
[dc0b964]	57	PROBE_HEAD = """#define AUTOTOOL_DECLARE(category, subcategory, tag, name, strc, conc, value) \\
[4e9aaf5]	58	asm volatile ( \\
[dc0b964]	59	"AUTOTOOL_DECLARE\\t" category "\\t" subcategory "\\t" tag "\\t" name "\\t" strc "\\t" conc "\\t%[val]\\n" \\
[4e9aaf5]	60	: \\
	61	: [val] "n" (value) \\
	62	)
	63
[96b89acb]	64	#define STRING(arg) STRING_ARG(arg)
	65	#define STRING_ARG(arg) #arg
	66
	67	#define DECLARE_BUILTIN_TYPE(tag, type) \\
	68	AUTOTOOL_DECLARE("builtin", "", tag, STRING(type), "", "", sizeof(type));
	69
[dc0b964]	70	#define DECLARE_INTSIZE(tag, type, strc, conc) \\
	71	AUTOTOOL_DECLARE("intsize", "unsigned", tag, #type, strc, conc, sizeof(unsigned type)); \\
	72	AUTOTOOL_DECLARE("intsize", "signed", tag, #type, strc, conc, sizeof(signed type));
[4e9aaf5]	73
	74	int main(int argc, char *argv[])
	75	{
[96b89acb]	76	#ifdef __SIZE_TYPE__
	77	DECLARE_BUILTIN_TYPE("size", __SIZE_TYPE__);
	78	#endif
	79	#ifdef __WCHAR_TYPE__
	80	DECLARE_BUILTIN_TYPE("wchar", __WCHAR_TYPE__);
	81	#endif
	82	#ifdef __WINT_TYPE__
	83	DECLARE_BUILTIN_TYPE("wint", __WINT_TYPE__);
	84	#endif
[4e9aaf5]	85	"""
	86
	87	PROBE_TAIL = """}
	88	"""
	89
[177e4ea]	90	def read_config(fname, config):
	91	"Read HelenOS build configuration"
	92
[28f4adb]	93	inf = open(fname, 'r')
[177e4ea]	94
	95	for line in inf:
	96	res = re.match(r'^(?:#!# )?([^#]\w)\s=\s(.?)\s*$', line)
	97	if (res):
	98	config[res.group(1)] = res.group(2)
	99
	100	inf.close()
	101
	102	def print_error(msg):
	103	"Print a bold error message"
	104
	105	sys.stderr.write("\n")
	106	sys.stderr.write("######################################################################\n")
	107	sys.stderr.write("HelenOS build sanity check error:\n")
	108	sys.stderr.write("\n")
	109	sys.stderr.write("%s\n" % "\n".join(msg))
	110	sys.stderr.write("######################################################################\n")
	111	sys.stderr.write("\n")
	112
	113	sys.exit(1)
	114
[96b89acb]	115	def print_warning(msg):
	116	"Print a bold error message"
	117
	118	sys.stderr.write("\n")
	119	sys.stderr.write("######################################################################\n")
	120	sys.stderr.write("HelenOS build sanity check warning:\n")
	121	sys.stderr.write("\n")
	122	sys.stderr.write("%s\n" % "\n".join(msg))
	123	sys.stderr.write("######################################################################\n")
	124	sys.stderr.write("\n")
	125
	126	time.sleep(5)
	127
[4e9aaf5]	128	def sandbox_enter():
	129	"Create a temporal sandbox directory for running tests"
	130
	131	if (os.path.exists(SANDBOX)):
	132	if (os.path.isdir(SANDBOX)):
	133	try:
	134	shutil.rmtree(SANDBOX)
	135	except:
	136	print_error(["Unable to cleanup the directory \"%s\"." % SANDBOX])
	137	else:
	138	print_error(["Please inspect and remove unexpected directory,",
	139	"entry \"%s\"." % SANDBOX])
	140
	141	try:
	142	os.mkdir(SANDBOX)
	143	except:
	144	print_error(["Unable to create sandbox directory \"%s\"." % SANDBOX])
	145
	146	owd = os.getcwd()
	147	os.chdir(SANDBOX)
	148
	149	return owd
	150
	151	def sandbox_leave(owd):
	152	"Leave the temporal sandbox directory"
	153
	154	os.chdir(owd)
	155
[177e4ea]	156	def check_config(config, key):
	157	"Check whether the configuration key exists"
	158
	159	if (not key in config):
	160	print_error(["Build configuration of HelenOS does not contain %s." % key,
	161	"Try running \"make config\" again.",
	162	"If the problem persists, please contact the developers of HelenOS."])
	163
[4e9aaf5]	164	def check_common(common, key):
	165	"Check whether the common key exists"
	166
	167	if (not key in common):
	168	print_error(["Failed to determine the value %s." % key,
	169	"Please contact the developers of HelenOS."])
	170
[177e4ea]	171	def check_app(args, name, details):
	172	"Check whether an application can be executed"
	173
	174	try:
	175	sys.stderr.write("Checking for %s ... " % args[0])
	176	subprocess.Popen(args, stdout = subprocess.PIPE, stderr = subprocess.PIPE).wait()
	177	except:
	178	sys.stderr.write("failed\n")
	179	print_error(["%s is missing." % name,
	180	"",
	181	"Execution of \"%s\" has failed. Please make sure that it" % " ".join(args),
	182	"is installed in your system (%s)." % details])
	183
	184	sys.stderr.write("ok\n")
	185
	186	def check_gcc(path, prefix, common, details):
	187	"Check for GCC"
	188
	189	common['GCC'] = "%sgcc" % prefix
	190
	191	if (not path is None):
	192	common['GCC'] = "%s/%s" % (path, common['GCC'])
	193
	194	check_app([common['GCC'], "--version"], "GNU GCC", details)
	195
	196	def check_binutils(path, prefix, common, details):
	197	"Check for binutils toolchain"
	198
	199	common['AS'] = "%sas" % prefix
	200	common['LD'] = "%sld" % prefix
	201	common['AR'] = "%sar" % prefix
	202	common['OBJCOPY'] = "%sobjcopy" % prefix
	203	common['OBJDUMP'] = "%sobjdump" % prefix
[a4125fb1]	204	common['STRIP'] = "%sstrip" % prefix
[177e4ea]	205
	206	if (not path is None):
[a4125fb1]	207	for key in ["AS", "LD", "AR", "OBJCOPY", "OBJDUMP", "STRIP"]:
[177e4ea]	208	common[key] = "%s/%s" % (path, common[key])
	209
	210	check_app([common['AS'], "--version"], "GNU Assembler", details)
	211	check_app([common['LD'], "--version"], "GNU Linker", details)
	212	check_app([common['AR'], "--version"], "GNU Archiver", details)
	213	check_app([common['OBJCOPY'], "--version"], "GNU Objcopy utility", details)
	214	check_app([common['OBJDUMP'], "--version"], "GNU Objdump utility", details)
[a4125fb1]	215	check_app([common['STRIP'], "--version"], "GNU strip", details)
[177e4ea]	216
[96b89acb]	217	def decode_value(value):
	218	"Decode integer value"
	219
	220	base = 10
	221
	222	if ((value.startswith('$')) or (value.startswith('#'))):
	223	value = value[1:]
	224
	225	if (value.startswith('0x')):
	226	value = value[2:]
	227	base = 16
	228
	229	return int(value, base)
	230
[4e9aaf5]	231	def probe_compiler(common, sizes):
	232	"Generate, compile and parse probing source"
	233
	234	check_common(common, "CC")
	235
[28f4adb]	236	outf = open(PROBE_SOURCE, 'w')
[4e9aaf5]	237	outf.write(PROBE_HEAD)
	238
	239	for typedef in sizes:
[dc0b964]	240	outf.write("\tDECLARE_INTSIZE(\"%s\", %s, %s, %s);\n" % (typedef['tag'], typedef['type'], typedef['strc'], typedef['conc']))
[4e9aaf5]	241
	242	outf.write(PROBE_TAIL)
	243	outf.close()
	244
	245	args = [common['CC'], "-S", "-o", PROBE_OUTPUT, PROBE_SOURCE]
	246
	247	try:
	248	sys.stderr.write("Checking compiler properties ... ")
	249	output = subprocess.Popen(args, stdout = subprocess.PIPE, stderr = subprocess.PIPE).communicate()
	250	except:
	251	sys.stderr.write("failed\n")
	252	print_error(["Error executing \"%s\"." % " ".join(args),
	253	"Make sure that the compiler works properly."])
	254
	255	if (not os.path.isfile(PROBE_OUTPUT)):
	256	sys.stderr.write("failed\n")
[28f4adb]	257	print(output[1])
[4e9aaf5]	258	print_error(["Error executing \"%s\"." % " ".join(args),
	259	"The compiler did not produce the output file \"%s\"." % PROBE_OUTPUT,
	260	"",
	261	output[0],
	262	output[1]])
	263
	264	sys.stderr.write("ok\n")
	265
[28f4adb]	266	inf = open(PROBE_OUTPUT, 'r')
[4e9aaf5]	267	lines = inf.readlines()
	268	inf.close()
	269
	270	unsigned_sizes = {}
	271	signed_sizes = {}
	272
[9539be6]	273	unsigned_tags = {}
	274	signed_tags = {}
	275
[dc0b964]	276	unsigned_strcs = {}
	277	signed_strcs = {}
	278
	279	unsigned_concs = {}
	280	signed_concs = {}
	281
[96b89acb]	282	builtins = {}
	283
[4e9aaf5]	284	for j in range(len(lines)):
	285	tokens = lines[j].strip().split("\t")
	286
	287	if (len(tokens) > 0):
	288	if (tokens[0] == "AUTOTOOL_DECLARE"):
[dc0b964]	289	if (len(tokens) < 7):
[4e9aaf5]	290	print_error(["Malformed declaration in \"%s\" on line %s." % (PROBE_OUTPUT, j), COMPILER_FAIL])
	291
	292	category = tokens[1]
	293	subcategory = tokens[2]
[9539be6]	294	tag = tokens[3]
	295	name = tokens[4]
[dc0b964]	296	strc = tokens[5]
	297	conc = tokens[6]
	298	value = tokens[7]
[4e9aaf5]	299
	300	if (category == "intsize"):
	301	try:
[96b89acb]	302	value_int = decode_value(value)
[4e9aaf5]	303	except:
	304	print_error(["Integer value expected in \"%s\" on line %s." % (PROBE_OUTPUT, j), COMPILER_FAIL])
	305
	306	if (subcategory == "unsigned"):
[96b89acb]	307	unsigned_sizes[value_int] = name
[9539be6]	308	unsigned_tags[tag] = value_int
[96b89acb]	309	unsigned_strcs[value_int] = strc
	310	unsigned_concs[value_int] = conc
[4e9aaf5]	311	elif (subcategory == "signed"):
[96b89acb]	312	signed_sizes[value_int] = name
[9539be6]	313	signed_tags[tag] = value_int
[96b89acb]	314	signed_strcs[value_int] = strc
	315	signed_concs[value_int] = conc
[4e9aaf5]	316	else:
	317	print_error(["Unexpected keyword \"%s\" in \"%s\" on line %s." % (subcategory, PROBE_OUTPUT, j), COMPILER_FAIL])
[96b89acb]	318
	319	if (category == "builtin"):
	320	try:
	321	value_int = decode_value(value)
	322	except:
	323	print_error(["Integer value expected in \"%s\" on line %s." % (PROBE_OUTPUT, j), COMPILER_FAIL])
	324
	325	builtins[tag] = {'name': name, 'value': value_int}
[4e9aaf5]	326
[96b89acb]	327	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, 'builtins': builtins}
[4e9aaf5]	328
[96b89acb]	329	def detect_uints(probe, bytes, tags):
[4e9aaf5]	330	"Detect correct types for fixed-size integer types"
	331
[9539be6]	332	macros = []
[4e9aaf5]	333	typedefs = []
	334
	335	for b in bytes:
[96b89acb]	336	if (not b in probe['unsigned_sizes']):
[dc0b964]	337	print_error(['Unable to find appropriate unsigned integer type for %u bytes' % b,
[4e9aaf5]	338	COMPILER_FAIL])
	339
[96b89acb]	340	if (not b in probe['signed_sizes']):
[dc0b964]	341	print_error(['Unable to find appropriate signed integer type for %u bytes' % b,
[4e9aaf5]	342	COMPILER_FAIL])
[dc0b964]	343
[96b89acb]	344	if (not b in probe['unsigned_strcs']):
[85369b1]	345	print_error(['Unable to find appropriate unsigned printf formatter for %u bytes' % b,
	346	COMPILER_FAIL])
[dc0b964]	347
[96b89acb]	348	if (not b in probe['signed_strcs']):
[85369b1]	349	print_error(['Unable to find appropriate signed printf formatter for %u bytes' % b,
	350	COMPILER_FAIL])
[dc0b964]	351
[96b89acb]	352	if (not b in probe['unsigned_concs']):
[85369b1]	353	print_error(['Unable to find appropriate unsigned literal macro for %u bytes' % b,
	354	COMPILER_FAIL])
[dc0b964]	355
[96b89acb]	356	if (not b in probe['signed_concs']):
	357	print_error(['Unable to find appropriate signed literal macro for %u bytes' % b,
	358	COMPILER_FAIL])
[dc0b964]	359
[96b89acb]	360	typedefs.append({'oldtype': "unsigned %s" % probe['unsigned_sizes'][b], 'newtype': "uint%u_t" % (b * 8)})
	361	typedefs.append({'oldtype': "signed %s" % probe['signed_sizes'][b], 'newtype': "int%u_t" % (b * 8)})
[dc0b964]	362
[96b89acb]	363	macros.append({'oldmacro': "\"%so\"" % probe['unsigned_strcs'][b], 'newmacro': "PRIo%u" % (b * 8)})
	364	macros.append({'oldmacro': "\"%su\"" % probe['unsigned_strcs'][b], 'newmacro': "PRIu%u" % (b * 8)})
	365	macros.append({'oldmacro': "\"%sx\"" % probe['unsigned_strcs'][b], 'newmacro': "PRIx%u" % (b * 8)})
	366	macros.append({'oldmacro': "\"%sX\"" % probe['unsigned_strcs'][b], 'newmacro': "PRIX%u" % (b * 8)})
	367	macros.append({'oldmacro': "\"%sd\"" % probe['signed_strcs'][b], 'newmacro': "PRId%u" % (b * 8)})
[9539be6]	368
[96b89acb]	369	name = probe['unsigned_concs'][b]
	370	if ((name.startswith('@')) or (name == "")):
	371	macros.append({'oldmacro': "c ## U", 'newmacro': "UINT%u_C(c)" % (b * 8)})
	372	else:
	373	macros.append({'oldmacro': "c ## U%s" % name, 'newmacro': "UINT%u_C(c)" % (b * 8)})
[9539be6]	374
[96b89acb]	375	name = probe['unsigned_concs'][b]
	376	if ((name.startswith('@')) or (name == "")):
	377	macros.append({'oldmacro': "c", 'newmacro': "INT%u_C(c)" % (b * 8)})
	378	else:
	379	macros.append({'oldmacro': "c ## %s" % name, 'newmacro': "INT%u_C(c)" % (b * 8)})
	380
	381	for tag in tags:
	382	newmacro = "U%s" % tag
	383	if (not tag in probe['unsigned_tags']):
[9539be6]	384	print_error(['Unable to find appropriate size macro for %s' % newmacro,
	385	COMPILER_FAIL])
	386
[96b89acb]	387	oldmacro = "UINT%s" % (probe['unsigned_tags'][tag] * 8)
	388	macros.append({'oldmacro': "%s_MIN" % oldmacro, 'newmacro': "%s_MIN" % newmacro})
	389	macros.append({'oldmacro': "%s_MAX" % oldmacro, 'newmacro': "%s_MAX" % newmacro})
[9539be6]	390
[96b89acb]	391	newmacro = tag
	392	if (not tag in probe['unsigned_tags']):
[9539be6]	393	print_error(['Unable to find appropriate size macro for %s' % newmacro,
	394	COMPILER_FAIL])
[96b89acb]	395
	396	oldmacro = "INT%s" % (probe['signed_tags'][tag] * 8)
	397	macros.append({'oldmacro': "%s_MIN" % oldmacro, 'newmacro': "%s_MIN" % newmacro})
	398	macros.append({'oldmacro': "%s_MAX" % oldmacro, 'newmacro': "%s_MAX" % newmacro})
	399
	400	fnd = True
	401
	402	if (not 'wchar' in probe['builtins']):
	403	print_warning(['The compiler does not provide the macro __WCHAR_TYPE__',
	404	'for defining the compiler-native type wchar_t. We are',
	405	'forced to define wchar_t as a hardwired type int32_t.',
	406	COMPILER_WARNING])
	407	fnd = False
	408
	409	if (probe['builtins']['wchar']['value'] != 4):
	410	print_warning(['The compiler provided macro __WCHAR_TYPE__ for defining',
	411	'the compiler-native type wchar_t is not compliant with',
	412	'HelenOS. We are forced to define wchar_t as a hardwired',
	413	'type int32_t.',
	414	COMPILER_WARNING])
	415	fnd = False
	416
	417	if (not fnd):
	418	macros.append({'oldmacro': "int32_t", 'newmacro': "wchar_t"})
	419	else:
	420	macros.append({'oldmacro': "__WCHAR_TYPE__", 'newmacro': "wchar_t"})
	421
	422	fnd = True
	423
	424	if (not 'wint' in probe['builtins']):
	425	print_warning(['The compiler does not provide the macro __WINT_TYPE__',
	426	'for defining the compiler-native type wint_t. We are',
	427	'forced to define wint_t as a hardwired type int32_t.',
	428	COMPILER_WARNING])
	429	fnd = False
	430
	431	if (probe['builtins']['wint']['value'] != 4):
	432	print_warning(['The compiler provided macro __WINT_TYPE__ for defining',
	433	'the compiler-native type wint_t is not compliant with',
	434	'HelenOS. We are forced to define wint_t as a hardwired',
	435	'type int32_t.',
	436	COMPILER_WARNING])
	437	fnd = False
	438
	439	if (not fnd):
	440	macros.append({'oldmacro': "int32_t", 'newmacro': "wint_t"})
	441	else:
	442	macros.append({'oldmacro': "__WINT_TYPE__", 'newmacro': "wint_t"})
[9539be6]	443
	444	return {'macros': macros, 'typedefs': typedefs}
[4e9aaf5]	445
	446	def create_makefile(mkname, common):
	447	"Create makefile output"
[177e4ea]	448
[28f4adb]	449	outmk = open(mkname, 'w')
[177e4ea]	450
[4e9aaf5]	451	outmk.write('#########################################\n')
	452	outmk.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n')
	453	outmk.write('#########################################\n\n')
[177e4ea]	454
	455	for key, value in common.items():
[4e9aaf5]	456	outmk.write('%s = %s\n' % (key, value))
	457
	458	outmk.close()
	459
[9539be6]	460	def create_header(hdname, maps):
[4e9aaf5]	461	"Create header output"
	462
[28f4adb]	463	outhd = open(hdname, 'w')
[4e9aaf5]	464
	465	outhd.write('/***************************************\n')
	466	outhd.write(' * AUTO-GENERATED FILE, DO NOT EDIT!!! *\n')
	467	outhd.write(' ***************************************/\n\n')
[177e4ea]	468
[4e9aaf5]	469	outhd.write('#ifndef %s\n' % GUARD)
	470	outhd.write('#define %s\n\n' % GUARD)
	471
[9539be6]	472	for macro in maps['macros']:
	473	outhd.write('#define %s %s\n' % (macro['newmacro'], macro['oldmacro']))
	474
	475	outhd.write('\n')
	476
	477	for typedef in maps['typedefs']:
[4e9aaf5]	478	outhd.write('typedef %s %s;\n' % (typedef['oldtype'], typedef['newtype']))
	479
	480	outhd.write('\n#endif\n')
	481	outhd.close()
[177e4ea]	482
	483	def main():
	484	config = {}
	485	common = {}
	486
	487	# Read and check configuration
[4e9aaf5]	488	if os.path.exists(CONFIG):
	489	read_config(CONFIG, config)
[177e4ea]	490	else:
[4e9aaf5]	491	print_error(["Configuration file %s not found! Make sure that the" % CONFIG,
[177e4ea]	492	"configuration phase of HelenOS build went OK. Try running",
	493	"\"make config\" again."])
	494
	495	check_config(config, "PLATFORM")
	496	check_config(config, "COMPILER")
	497	check_config(config, "BARCH")
	498
	499	# Cross-compiler prefix
	500	if ('CROSS_PREFIX' in os.environ):
	501	cross_prefix = os.environ['CROSS_PREFIX']
	502	else:
	503	cross_prefix = "/usr/local"
	504
	505	# Prefix binutils tools on Solaris
	506	if (os.uname()[0] == "SunOS"):
	507	binutils_prefix = "g"
	508	else:
	509	binutils_prefix = ""
	510
[4e9aaf5]	511	owd = sandbox_enter()
	512
	513	try:
	514	# Common utilities
	515	check_app(["ln", "--version"], "Symlink utility", "usually part of coreutils")
	516	check_app(["rm", "--version"], "File remove utility", "usually part of coreutils")
	517	check_app(["mkdir", "--version"], "Directory creation utility", "usually part of coreutils")
	518	check_app(["cp", "--version"], "Copy utility", "usually part of coreutils")
	519	check_app(["find", "--version"], "Find utility", "usually part of findutils")
	520	check_app(["diff", "--version"], "Diff utility", "usually part of diffutils")
	521	check_app(["make", "--version"], "Make utility", "preferably GNU Make")
	522	check_app(["makedepend", "-f", "-"], "Makedepend utility", "usually part of imake or xutils")
	523
	524	# Compiler
	525	if (config['COMPILER'] == "gcc_cross"):
	526	if (config['PLATFORM'] == "abs32le"):
	527	check_config(config, "CROSS_TARGET")
	528	target = config['CROSS_TARGET']
	529
	530	if (config['CROSS_TARGET'] == "arm32"):
	531	gnu_target = "arm-linux-gnu"
	532
	533	if (config['CROSS_TARGET'] == "ia32"):
	534	gnu_target = "i686-pc-linux-gnu"
	535
	536	if (config['CROSS_TARGET'] == "mips32"):
	537	gnu_target = "mipsel-linux-gnu"
[177e4ea]	538
[4e9aaf5]	539	if (config['PLATFORM'] == "amd64"):
	540	target = config['PLATFORM']
	541	gnu_target = "amd64-linux-gnu"
	542
	543	if (config['PLATFORM'] == "arm32"):
	544	target = config['PLATFORM']
[177e4ea]	545	gnu_target = "arm-linux-gnu"
	546
[4e9aaf5]	547	if (config['PLATFORM'] == "ia32"):
	548	target = config['PLATFORM']
[177e4ea]	549	gnu_target = "i686-pc-linux-gnu"
	550
[4e9aaf5]	551	if (config['PLATFORM'] == "ia64"):
	552	target = config['PLATFORM']
	553	gnu_target = "ia64-pc-linux-gnu"
	554
	555	if (config['PLATFORM'] == "mips32"):
	556	check_config(config, "MACHINE")
	557
	558	if ((config['MACHINE'] == "lgxemul") or (config['MACHINE'] == "msim")):
	559	target = config['PLATFORM']
	560	gnu_target = "mipsel-linux-gnu"
	561
	562	if (config['MACHINE'] == "bgxemul"):
	563	target = "mips32eb"
	564	gnu_target = "mips-linux-gnu"
	565
	566	if (config['PLATFORM'] == "ppc32"):
	567	target = config['PLATFORM']
	568	gnu_target = "ppc-linux-gnu"
	569
	570	if (config['PLATFORM'] == "sparc64"):
	571	target = config['PLATFORM']
	572	gnu_target = "sparc64-linux-gnu"
	573
	574	path = "%s/%s/bin" % (cross_prefix, target)
	575	prefix = "%s-" % gnu_target
	576
	577	check_gcc(path, prefix, common, PACKAGE_CROSS)
	578	check_binutils(path, prefix, common, PACKAGE_CROSS)
	579
	580	check_common(common, "GCC")
	581	common['CC'] = common['GCC']
[177e4ea]	582
[4e9aaf5]	583	if (config['COMPILER'] == "gcc_native"):
	584	check_gcc(None, "", common, PACKAGE_GCC)
	585	check_binutils(None, binutils_prefix, common, PACKAGE_BINUTILS)
	586
	587	check_common(common, "GCC")
	588	common['CC'] = common['GCC']
[177e4ea]	589
[4e9aaf5]	590	if (config['COMPILER'] == "icc"):
	591	common['CC'] = "icc"
	592	check_app([common['CC'], "-V"], "Intel C++ Compiler", "support is experimental")
	593	check_gcc(None, "", common, PACKAGE_GCC)
	594	check_binutils(None, binutils_prefix, common, PACKAGE_BINUTILS)
[177e4ea]	595
[4e9aaf5]	596	if (config['COMPILER'] == "suncc"):
	597	common['CC'] = "suncc"
	598	check_app([common['CC'], "-V"], "Sun Studio Compiler", "support is experimental")
	599	check_gcc(None, "", common, PACKAGE_GCC)
	600	check_binutils(None, binutils_prefix, common, PACKAGE_BINUTILS)
[177e4ea]	601
[4e9aaf5]	602	if (config['COMPILER'] == "clang"):
	603	common['CC'] = "clang"
	604	check_app([common['CC'], "--version"], "Clang compiler", "preferably version 1.0 or newer")
	605	check_gcc(None, "", common, PACKAGE_GCC)
	606	check_binutils(None, binutils_prefix, common, PACKAGE_BINUTILS)
[177e4ea]	607
[4e9aaf5]	608	# Platform-specific utilities
	609	if ((config['BARCH'] == "amd64") or (config['BARCH'] == "ia32") or (config['BARCH'] == "ppc32") or (config['BARCH'] == "sparc64")):
	610	check_app(["mkisofs", "--version"], "ISO 9660 creation utility", "usually part of genisoimage")
[177e4ea]	611
[4e9aaf5]	612	probe = probe_compiler(common,
	613	[
[96b89acb]	614	{'type': 'long long int', 'tag': 'LLONG', 'strc': '"ll"', 'conc': '"LL"'},
[dc0b964]	615	{'type': 'long int', 'tag': 'LONG', 'strc': '"l"', 'conc': '"L"'},
[96b89acb]	616	{'type': 'int', 'tag': 'INT', 'strc': '""', 'conc': '""'},
	617	{'type': 'short int', 'tag': 'SHORT', 'strc': '"h"', 'conc': '"@"'},
	618	{'type': 'char', 'tag': 'CHAR', 'strc': '"hh"', 'conc': '"@@"'}
[4e9aaf5]	619	]
	620	)
[177e4ea]	621
[96b89acb]	622	maps = detect_uints(probe, [1, 2, 4, 8], ['CHAR', 'SHORT', 'INT', 'LONG', 'LLONG'])
[177e4ea]	623
[4e9aaf5]	624	finally:
	625	sandbox_leave(owd)
	626
	627	create_makefile(MAKEFILE, common)
[9539be6]	628	create_header(HEADER, maps)
[177e4ea]	629
	630	return 0
	631
	632	if __name__ == '__main__':
	633	sys.exit(main())

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