| 1 | #!/usr/bin/env python
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| 2 | #
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| 3 | # Copyright (c) 2010 Martin Decky
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| 4 | # All rights reserved.
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| 5 | #
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| 6 | # Redistribution and use in source and binary forms, with or without
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| 7 | # modification, are permitted provided that the following conditions
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| 8 | # are met:
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| 9 | #
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| 10 | # - Redistributions of source code must retain the above copyright
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| 11 | # notice, this list of conditions and the following disclaimer.
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| 12 | # - Redistributions in binary form must reproduce the above copyright
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| 13 | # notice, this list of conditions and the following disclaimer in the
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| 14 | # documentation and/or other materials provided with the distribution.
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| 15 | # - The name of the author may not be used to endorse or promote products
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| 16 | # derived from this software without specific prior written permission.
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| 17 | #
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| 18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | #
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| 29 |
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| 30 | """
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| 31 | Detect important prerequisites and parameters for building HelenOS
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| 32 | """
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| 33 |
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| 34 | import sys
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| 35 | import os
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| 36 | import shutil
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| 37 | import re
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| 38 | import time
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| 39 | import subprocess
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| 40 |
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| 41 | SANDBOX = 'autotool'
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| 42 | CONFIG = 'Makefile.config'
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| 43 | MAKEFILE = 'Makefile.common'
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| 44 |
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| 45 | PACKAGE_CROSS = "use tools/toolchain.sh to build the cross-compiler toolchain"
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| 46 | PACKAGE_CLANG = "reasonably recent version of clang needs to be installed"
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| 47 |
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| 48 | def read_config(fname, config):
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| 49 | "Read HelenOS build configuration"
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| 50 |
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| 51 | inf = open(fname, 'r')
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| 52 |
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| 53 | for line in inf:
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| 54 | res = re.match(r'^(?:#!# )?([^#]\w*)\s*=\s*(.*?)\s*$', line)
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| 55 | if (res):
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| 56 | config[res.group(1)] = res.group(2)
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| 57 |
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| 58 | inf.close()
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| 59 |
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| 60 | def print_error(msg):
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| 61 | "Print a bold error message"
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| 62 |
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| 63 | sys.stderr.write("\n")
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| 64 | sys.stderr.write("######################################################################\n")
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| 65 | sys.stderr.write("HelenOS build sanity check error:\n")
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| 66 | sys.stderr.write("\n")
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| 67 | sys.stderr.write("%s\n" % "\n".join(msg))
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| 68 | sys.stderr.write("######################################################################\n")
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| 69 | sys.stderr.write("\n")
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| 70 |
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| 71 | sys.exit(1)
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| 72 |
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| 73 | def sandbox_enter():
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| 74 | "Create a temporal sandbox directory for running tests"
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| 75 |
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| 76 | if (os.path.exists(SANDBOX)):
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| 77 | if (os.path.isdir(SANDBOX)):
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| 78 | try:
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| 79 | shutil.rmtree(SANDBOX)
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| 80 | except:
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| 81 | print_error(["Unable to cleanup the directory \"%s\"." % SANDBOX])
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| 82 | else:
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| 83 | print_error(["Please inspect and remove unexpected directory,",
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| 84 | "entry \"%s\"." % SANDBOX])
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| 85 |
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| 86 | try:
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| 87 | os.mkdir(SANDBOX)
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| 88 | except:
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| 89 | print_error(["Unable to create sandbox directory \"%s\"." % SANDBOX])
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| 90 |
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| 91 | owd = os.getcwd()
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| 92 | os.chdir(SANDBOX)
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| 93 |
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| 94 | return owd
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| 95 |
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| 96 | def sandbox_leave(owd):
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| 97 | "Leave the temporal sandbox directory"
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| 98 |
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| 99 | os.chdir(owd)
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| 100 |
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| 101 | def check_config(config, key):
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| 102 | "Check whether the configuration key exists"
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| 103 |
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| 104 | if (not key in config):
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| 105 | print_error(["Build configuration of HelenOS does not contain %s." % key,
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| 106 | "Try running \"make config\" again.",
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| 107 | "If the problem persists, please contact the developers of HelenOS."])
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| 108 |
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| 109 | def check_common(common, key):
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| 110 | "Check whether the common key exists"
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| 111 |
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| 112 | if (not key in common):
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| 113 | print_error(["Failed to determine the value %s." % key,
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| 114 | "Please contact the developers of HelenOS."])
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| 115 |
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| 116 | def get_target(config):
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| 117 | platform = None
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| 118 | target = None
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| 119 |
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| 120 | if (config['PLATFORM'] == "abs32le"):
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| 121 | check_config(config, "CROSS_TARGET")
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| 122 | platform = config['CROSS_TARGET']
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| 123 |
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| 124 | if (config['CROSS_TARGET'] == "arm32"):
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| 125 | target = "arm-helenos"
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| 126 |
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| 127 | if (config['CROSS_TARGET'] == "ia32"):
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| 128 | target = "i686-helenos"
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| 129 |
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| 130 | if (config['CROSS_TARGET'] == "mips32"):
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| 131 | target = "mipsel-helenos"
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| 132 |
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| 133 | if (config['PLATFORM'] == "amd64"):
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| 134 | platform = config['PLATFORM']
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| 135 | target = "amd64-helenos"
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| 136 |
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| 137 | if (config['PLATFORM'] == "arm32"):
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| 138 | platform = config['PLATFORM']
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| 139 | target = "arm-helenos"
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| 140 |
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| 141 | if (config['PLATFORM'] == "arm64"):
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| 142 | platform = config['PLATFORM']
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| 143 | target = "aarch64-helenos"
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| 144 |
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| 145 | if (config['PLATFORM'] == "ia32"):
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| 146 | platform = config['PLATFORM']
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| 147 | target = "i686-helenos"
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| 148 |
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| 149 | if (config['PLATFORM'] == "ia64"):
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| 150 | platform = config['PLATFORM']
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| 151 | target = "ia64-helenos"
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| 152 |
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| 153 | if (config['PLATFORM'] == "mips32"):
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| 154 | check_config(config, "MACHINE")
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| 155 |
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| 156 | if ((config['MACHINE'] == "msim") or (config['MACHINE'] == "lmalta")):
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| 157 | platform = config['PLATFORM']
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| 158 | target = "mipsel-helenos"
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| 159 |
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| 160 | if ((config['MACHINE'] == "bmalta")):
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| 161 | platform = "mips32eb"
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| 162 | target = "mips-helenos"
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| 163 |
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| 164 | if (config['PLATFORM'] == "mips64"):
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| 165 | check_config(config, "MACHINE")
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| 166 |
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| 167 | if (config['MACHINE'] == "msim"):
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| 168 | platform = config['PLATFORM']
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| 169 | target = "mips64el-helenos"
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| 170 |
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| 171 | if (config['PLATFORM'] == "ppc32"):
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| 172 | platform = config['PLATFORM']
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| 173 | target = "ppc-helenos"
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| 174 |
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| 175 | if (config['PLATFORM'] == "riscv64"):
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| 176 | platform = config['PLATFORM']
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| 177 | target = "riscv64-helenos"
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| 178 |
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| 179 | if (config['PLATFORM'] == "sparc64"):
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| 180 | platform = config['PLATFORM']
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| 181 | target = "sparc64-helenos"
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| 182 |
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| 183 | return (platform, target)
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| 184 |
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| 185 | def check_app(args, name, details):
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| 186 | "Check whether an application can be executed"
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| 187 |
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| 188 | try:
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| 189 | sys.stderr.write("Checking for %s ... " % args[0])
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| 190 | subprocess.Popen(args, stdout = subprocess.PIPE, stderr = subprocess.PIPE).wait()
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| 191 | except:
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| 192 | sys.stderr.write("failed\n")
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| 193 | print_error(["%s is missing." % name,
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| 194 | "",
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| 195 | "Execution of \"%s\" has failed. Please make sure that it" % " ".join(args),
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| 196 | "is installed in your system (%s)." % details])
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| 197 |
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| 198 | sys.stderr.write("ok\n")
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| 199 |
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| 200 | def check_path_gcc(target):
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| 201 | "Check whether GCC for a given target is present in $PATH."
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| 202 |
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| 203 | try:
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| 204 | subprocess.Popen([ "%s-gcc" % target, "--version" ], stdout = subprocess.PIPE, stderr = subprocess.PIPE).wait()
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| 205 | return True
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| 206 | except:
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| 207 | return False
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| 208 |
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| 209 | def check_app_alternatives(alts, args, name, details):
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| 210 | "Check whether an application can be executed (use several alternatives)"
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| 211 |
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| 212 | tried = []
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| 213 | found = None
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| 214 |
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| 215 | for alt in alts:
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| 216 | working = True
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| 217 | cmdline = [alt] + args
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| 218 | tried.append(" ".join(cmdline))
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| 219 |
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| 220 | try:
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| 221 | sys.stderr.write("Checking for %s ... " % alt)
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| 222 | subprocess.Popen(cmdline, stdout = subprocess.PIPE, stderr = subprocess.PIPE).wait()
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| 223 | except:
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| 224 | sys.stderr.write("failed\n")
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| 225 | working = False
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| 226 |
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| 227 | if (working):
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| 228 | sys.stderr.write("ok\n")
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| 229 | found = alt
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| 230 | break
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| 231 |
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| 232 | if (found is None):
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| 233 | print_error(["%s is missing." % name,
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| 234 | "",
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| 235 | "Please make sure that it is installed in your",
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| 236 | "system (%s)." % details,
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| 237 | "",
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| 238 | "The following alternatives were tried:"] + tried)
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| 239 |
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| 240 | return found
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| 241 |
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| 242 | def check_clang(path, prefix, common, details):
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| 243 | "Check for clang"
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| 244 |
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| 245 | common['CLANG'] = "%sclang" % prefix
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| 246 | common['CLANGXX'] = "%sclang++" % prefix
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| 247 |
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| 248 | if (not path is None):
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| 249 | common['CLANG'] = "%s/%s" % (path, common['CLANG'])
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| 250 | common['CLANGXX'] = "%s/%s" % (path, common['CLANGXX'])
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| 251 |
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| 252 | check_app([common['CLANG'], "--version"], "clang", details)
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| 253 |
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| 254 | def check_gcc(path, prefix, common, details):
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| 255 | "Check for GCC"
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| 256 |
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| 257 | common['GCC'] = "%sgcc" % prefix
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| 258 | common['GXX'] = "%sg++" % prefix
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| 259 |
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| 260 | if (not path is None):
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| 261 | common['GCC'] = "%s/%s" % (path, common['GCC'])
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| 262 | common['GXX'] = "%s/%s" % (path, common['GXX'])
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| 263 |
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| 264 | check_app([common['GCC'], "--version"], "GNU GCC", details)
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| 265 |
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| 266 | def check_libgcc(common):
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| 267 | sys.stderr.write("Checking for libgcc.a ... ")
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| 268 | libgcc_path = None
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| 269 | proc = subprocess.Popen([ common['GCC'], "-print-search-dirs" ], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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| 270 | for line in proc.stdout:
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| 271 | line = line.decode('utf-8').strip('\n')
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| 272 | parts = line.split()
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| 273 | if parts[0] == "install:":
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| 274 | p = parts[1] + "libgcc.a"
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| 275 | if os.path.isfile(p):
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| 276 | libgcc_path = p
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| 277 | proc.wait()
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| 278 |
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| 279 | if libgcc_path is None:
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| 280 | sys.stderr.write("failed\n")
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| 281 | print_error(["Unable to find gcc library (libgcc.a).",
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| 282 | "",
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| 283 | "Please ensure that you have installed the",
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| 284 | "toolchain properly."])
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| 285 |
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| 286 | sys.stderr.write("ok\n")
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| 287 | common['LIBGCC_PATH'] = libgcc_path
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| 288 |
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| 289 |
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| 290 | def check_binutils(path, prefix, common, details):
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| 291 | "Check for binutils toolchain"
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| 292 |
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| 293 | common['AS'] = "%sas" % prefix
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| 294 | common['LD'] = "%sld" % prefix
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| 295 | common['AR'] = "%sar" % prefix
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| 296 | common['OBJCOPY'] = "%sobjcopy" % prefix
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| 297 | common['OBJDUMP'] = "%sobjdump" % prefix
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| 298 | common['STRIP'] = "%sstrip" % prefix
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| 299 |
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| 300 | if (not path is None):
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| 301 | for key in ["AS", "LD", "AR", "OBJCOPY", "OBJDUMP", "STRIP"]:
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| 302 | common[key] = "%s/%s" % (path, common[key])
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| 303 |
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| 304 | check_app([common['AS'], "--version"], "GNU Assembler", details)
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| 305 | check_app([common['LD'], "--version"], "GNU Linker", details)
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| 306 | check_app([common['AR'], "--version"], "GNU Archiver", details)
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| 307 | check_app([common['OBJCOPY'], "--version"], "GNU Objcopy utility", details)
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| 308 | check_app([common['OBJDUMP'], "--version"], "GNU Objdump utility", details)
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| 309 | check_app([common['STRIP'], "--version"], "GNU strip", details)
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| 310 |
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| 311 | def create_makefile(mkname, common):
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| 312 | "Create makefile output"
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| 313 |
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| 314 | outmk = open(mkname, 'w')
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| 315 |
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| 316 | outmk.write('#########################################\n')
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| 317 | outmk.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n')
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| 318 | outmk.write('## Generated by: tools/autotool.py ##\n')
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| 319 | outmk.write('#########################################\n\n')
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| 320 |
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| 321 | for key, value in common.items():
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| 322 | if (type(value) is list):
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| 323 | outmk.write('%s = %s\n' % (key, " ".join(value)))
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| 324 | else:
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| 325 | outmk.write('%s = %s\n' % (key, value))
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| 326 |
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| 327 | outmk.close()
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| 328 |
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| 329 | def create_header(hdname, macros):
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| 330 | "Create header output"
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| 331 |
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| 332 | outhd = open(hdname, 'w')
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| 333 |
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| 334 | outhd.write('/***************************************\n')
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| 335 | outhd.write(' * AUTO-GENERATED FILE, DO NOT EDIT!!! *\n')
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| 336 | outhd.write(' * Generated by: tools/autotool.py *\n')
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| 337 | outhd.write(' ***************************************/\n\n')
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| 338 |
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| 339 | outhd.write('#ifndef %s\n' % GUARD)
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| 340 | outhd.write('#define %s\n\n' % GUARD)
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| 341 |
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| 342 | for macro in sorted(macros):
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| 343 | outhd.write('#ifndef %s\n' % macro)
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| 344 | outhd.write('#define %s %s\n' % (macro, macros[macro]))
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| 345 | outhd.write('#endif\n\n')
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| 346 |
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| 347 | outhd.write('\n#endif\n')
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| 348 | outhd.close()
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| 349 |
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| 350 | def main():
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| 351 | config = {}
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| 352 | common = {}
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| 353 |
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| 354 | # Read and check configuration
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| 355 | if os.path.exists(CONFIG):
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| 356 | read_config(CONFIG, config)
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| 357 | else:
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| 358 | print_error(["Configuration file %s not found! Make sure that the" % CONFIG,
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| 359 | "configuration phase of HelenOS build went OK. Try running",
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| 360 | "\"make config\" again."])
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| 361 |
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| 362 | check_config(config, "PLATFORM")
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| 363 | check_config(config, "COMPILER")
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| 364 | check_config(config, "BARCH")
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| 365 |
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| 366 | # Cross-compiler prefix
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| 367 | if ('CROSS_PREFIX' in os.environ):
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| 368 | cross_prefix = os.environ['CROSS_PREFIX']
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| 369 | else:
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| 370 | cross_prefix = "/usr/local/cross"
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| 371 |
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| 372 | owd = sandbox_enter()
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| 373 |
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| 374 | try:
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| 375 | # Common utilities
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| 376 | check_app(["ln", "--version"], "Symlink utility", "usually part of coreutils")
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| 377 | check_app(["rm", "--version"], "File remove utility", "usually part of coreutils")
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| 378 | check_app(["mkdir", "--version"], "Directory creation utility", "usually part of coreutils")
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| 379 | check_app(["cp", "--version"], "Copy utility", "usually part of coreutils")
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| 380 | check_app(["find", "--version"], "Find utility", "usually part of findutils")
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| 381 | check_app(["diff", "--version"], "Diff utility", "usually part of diffutils")
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| 382 | check_app(["make", "--version"], "Make utility", "preferably GNU Make")
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| 383 | check_app(["unzip"], "unzip utility", "usually part of zip/unzip utilities")
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| 384 | check_app(["tar", "--version"], "tar utility", "usually part of tar")
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| 385 |
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| 386 | platform, target = get_target(config)
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| 387 |
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| 388 | if (platform is None) or (target is None):
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| 389 | print_error(["Unsupported compiler target.",
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| 390 | "Please contact the developers of HelenOS."])
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| 391 |
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| 392 | path = None
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| 393 |
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| 394 | if not check_path_gcc(target):
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| 395 | path = "%s/bin" % cross_prefix
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| 396 |
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| 397 | common['TARGET'] = target
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| 398 | prefix = "%s-" % target
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| 399 |
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| 400 | cc_autogen = None
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| 401 |
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| 402 | # We always need to check for GCC as we
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| 403 | # need libgcc
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| 404 | check_gcc(path, prefix, common, PACKAGE_CROSS)
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| 405 |
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| 406 | # Compiler
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| 407 | if (config['COMPILER'] == "gcc_cross"):
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| 408 | check_binutils(path, prefix, common, PACKAGE_CROSS)
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| 409 |
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| 410 | check_common(common, "GCC")
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| 411 | common['CC'] = common['GCC']
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| 412 | cc_autogen = common['CC']
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| 413 |
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| 414 | check_common(common, "GXX")
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| 415 | common['CXX'] = common['GXX']
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| 416 |
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| 417 | if (config['COMPILER'] == "clang"):
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| 418 | check_binutils(path, prefix, common, PACKAGE_CROSS)
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| 419 | check_clang(path, prefix, common, PACKAGE_CLANG)
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| 420 |
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| 421 | check_common(common, "CLANG")
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| 422 | common['CC'] = common['CLANG']
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| 423 | common['CXX'] = common['CLANGXX']
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| 424 | cc_autogen = common['CC'] + " -no-integrated-as"
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| 425 |
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| 426 | if (config['INTEGRATED_AS'] == "yes"):
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| 427 | common['CC'] += " -integrated-as"
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| 428 | common['CXX'] += " -integrated-as"
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| 429 |
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| 430 | if (config['INTEGRATED_AS'] == "no"):
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| 431 | common['CC'] += " -no-integrated-as"
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| 432 | common['CXX'] += " -no-integrated-as"
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| 433 |
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| 434 | # Find full path to libgcc
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| 435 | check_libgcc(common)
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| 436 |
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| 437 | # Platform-specific utilities
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| 438 | if (config['BARCH'] in ('amd64', 'arm64', 'ia32', 'ppc32', 'sparc64')):
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| 439 | common['GENISOIMAGE'] = check_app_alternatives(["genisoimage", "mkisofs", "xorriso"], ["--version"], "ISO 9660 creation utility", "usually part of genisoimage")
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| 440 | if common['GENISOIMAGE'] == 'xorriso':
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| 441 | common['GENISOIMAGE'] += ' -as genisoimage'
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| 442 |
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| 443 | finally:
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| 444 | sandbox_leave(owd)
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|---|
| 445 |
|
|---|
| 446 | create_makefile(MAKEFILE, common)
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|---|
| 447 |
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|---|
| 448 | return 0
|
|---|
| 449 |
|
|---|
| 450 | if __name__ == '__main__':
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|---|
| 451 | sys.exit(main())
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|---|
