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598c94e1 | 1 | #! /bin/sh |
cb9a4a5c | 2 | #! -*- coding:utf-8; mode:shell-script; -*- |
598c94e1 | 3 | |
cb9a4a5c | 4 | # Download some prerequisites needed by GCC. |
5 | # Run this from the top level of the GCC source tree and the GCC build will do | |
6 | # the right thing. Run it with the `--help` option for more information. | |
598c94e1 | 7 | # |
4b2246ef | 8 | # (C) 2010-2016 Free Software Foundation |
598c94e1 | 9 | # |
10 | # This program is free software: you can redistribute it and/or modify | |
11 | # it under the terms of the GNU General Public License as published by | |
12 | # the Free Software Foundation, either version 3 of the License, or | |
13 | # (at your option) any later version. | |
14 | # | |
15 | # This program is distributed in the hope that it will be useful, but | |
16 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | # General Public License for more details. | |
19 | # | |
20 | # You should have received a copy of the GNU General Public License | |
21 | # along with this program. If not, see http://www.gnu.org/licenses/. | |
22 | ||
cb9a4a5c | 23 | program='download_prerequisites' |
24 | version='(unversioned)' | |
25 | ||
26 | # MAINTAINERS: If you update the package versions below, please | |
27 | # remember to also update the files `contrib/prerequisites.sha512` and | |
28 | # `contrib/prerequisites.md5` with the new checksums. | |
29 | ||
30 | gmp='gmp-6.1.0.tar.bz2' | |
31 | mpfr='mpfr-3.1.4.tar.bz2' | |
32 | mpc='mpc-1.0.3.tar.gz' | |
8ce07288 | 33 | isl='isl-0.18.tar.bz2' |
cb9a4a5c | 34 | |
35 | base_url='ftp://gcc.gnu.org/pub/gcc/infrastructure/' | |
36 | ||
37 | echo_archives() { | |
38 | echo "${gmp}" | |
39 | echo "${mpfr}" | |
40 | echo "${mpc}" | |
41 | if [ ${graphite} -gt 0 ]; then echo "${isl}"; fi | |
42 | } | |
43 | ||
44 | graphite=1 | |
45 | verify=1 | |
46 | force=0 | |
3cc7b21c | 47 | OS=$(uname) |
48 | ||
49 | case $OS in | |
61f58921 | 50 | "Darwin"|"FreeBSD"|"DragonFly") |
3cc7b21c | 51 | chksum='shasum -a 512 --check' |
52 | ;; | |
53 | *) | |
76120f33 | 54 | chksum='sha512sum -c' |
3cc7b21c | 55 | ;; |
56 | esac | |
57 | ||
58 | if type wget > /dev/null ; then | |
59 | fetch='wget' | |
60 | else | |
61 | fetch='curl -LO -u anonymous:' | |
62 | fi | |
63 | chksum_extension='sha512' | |
cb9a4a5c | 64 | directory='.' |
65 | ||
66 | helptext="usage: ${program} [OPTION...] | |
67 | ||
68 | Downloads some prerequisites needed by GCC. Run this from the top level of the | |
69 | GCC source tree and the GCC build will do the right thing. | |
70 | ||
71 | The following options are available: | |
72 | ||
73 | --directory=DIR download and unpack packages into DIR instead of '.' | |
74 | --force download again overwriting existing packages | |
75 | --no-force do not download existing packages again (default) | |
76 | --isl download ISL, needed for Graphite loop optimizations (default) | |
77 | --graphite same as --isl | |
78 | --no-isl don't download ISL | |
79 | --no-graphite same as --no-isl | |
80 | --verify verify package integrity after download (default) | |
81 | --no-verify don't verify package integrity | |
82 | --sha512 use SHA512 checksum to verify package integrity (default) | |
83 | --md5 use MD5 checksum to verify package integrity | |
84 | --help show this text and exit | |
85 | --version show version information and exit | |
86 | " | |
f8c43e60 | 87 | |
cb9a4a5c | 88 | versiontext="${program} ${version} |
89 | Copyright (C) 2016 Free Software Foundation, Inc. | |
90 | This is free software; see the source for copying conditions. There is NO | |
91 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." | |
92 | ||
93 | die() { | |
94 | echo "error: $@" >&2 | |
95 | exit 1 | |
96 | } | |
97 | ||
98 | for arg in "$@" | |
99 | do | |
100 | case "${arg}" in | |
101 | --help) | |
102 | echo "${helptext}" | |
103 | exit | |
104 | ;; | |
105 | --version) | |
106 | echo "${versiontext}" | |
107 | exit | |
108 | ;; | |
109 | esac | |
110 | done | |
111 | unset arg | |
112 | ||
3cc7b21c | 113 | # Emulate Linux's 'md5 --check' on macOS |
114 | md5_check() { | |
115 | # Store the standard input: a line from contrib/prerequisites.md5: | |
116 | md5_checksum_line=$(cat -) | |
117 | # Grab the text before the first space | |
118 | md5_checksum_expected="${md5_checksum_line%% *}" | |
119 | # Grab the text after the first space | |
120 | file_to_check="${md5_checksum_line##* }" | |
121 | # Calculate the md5 checksum for the downloaded file | |
122 | md5_checksum_output=$(md5 -r "${file_to_check}") | |
123 | # Grab the text before the first space | |
124 | md5_checksum_detected="${md5_checksum_output%% *}" | |
125 | [ "${md5_checksum_expected}" == "${md5_checksum_detected}" ] \ | |
126 | || die "Cannot verify integrity of possibly corrupted file ${file_to_check}" | |
127 | echo "${file_to_check}: OK" | |
128 | } | |
129 | ||
130 | ||
cb9a4a5c | 131 | argnext= |
132 | for arg in "$@" | |
133 | do | |
134 | if [ "x${argnext}" = x ] | |
135 | then | |
136 | case "${arg}" in | |
137 | --directory) | |
138 | argnext='directory' | |
139 | ;; | |
140 | --directory=*) | |
141 | directory="${arg#--directory=}" | |
142 | ;; | |
143 | --force) | |
144 | force=1 | |
145 | ;; | |
146 | --no-force) | |
147 | force=0 | |
148 | ;; | |
149 | --isl|--graphite) | |
150 | graphite=1 | |
151 | ;; | |
152 | --no-isl|--no-graphite) | |
153 | graphite=0 | |
154 | ;; | |
155 | --verify) | |
156 | verify=1 | |
157 | ;; | |
158 | --no-verify) | |
159 | verify=0 | |
160 | ;; | |
161 | --sha512) | |
3cc7b21c | 162 | case $OS in |
163 | "Darwin") | |
164 | chksum='shasum -a 512 --check' | |
165 | ;; | |
166 | *) | |
167 | chksum='sha512sum --check' | |
168 | ;; | |
169 | esac | |
170 | chksum_extension='sha512' | |
cb9a4a5c | 171 | verify=1 |
172 | ;; | |
173 | --md5) | |
3cc7b21c | 174 | case $OS in |
175 | "Darwin") | |
176 | chksum='md5_check' | |
177 | ;; | |
178 | *) | |
179 | chksum='md5 --check' | |
180 | ;; | |
181 | esac | |
182 | chksum_extension='md5' | |
cb9a4a5c | 183 | verify=1 |
184 | ;; | |
185 | -*) | |
186 | die "unknown option: ${arg}" | |
187 | ;; | |
188 | *) | |
189 | die "too many arguments" | |
190 | ;; | |
191 | esac | |
192 | else | |
193 | case "${arg}" in | |
194 | -*) | |
195 | die "Missing argument for option --${argnext}" | |
196 | ;; | |
197 | esac | |
198 | case "${argnext}" in | |
199 | directory) | |
200 | directory="${arg}" | |
201 | ;; | |
202 | *) | |
203 | die "The impossible has happened" | |
204 | ;; | |
205 | esac | |
206 | argnext= | |
207 | fi | |
208 | done | |
209 | [ "x${argnext}" = x ] || die "Missing argument for option --${argnext}" | |
210 | unset arg argnext | |
211 | ||
212 | [ -e ./gcc/BASE-VER ] \ | |
213 | || die "You must run this script in the top-level GCC source directory" | |
214 | ||
215 | [ -d "${directory}" ] \ | |
216 | || die "No such directory: ${directory}" | |
217 | ||
218 | for ar in $(echo_archives) | |
219 | do | |
220 | if [ ${force} -gt 0 ]; then rm -f "${directory}/${ar}"; fi | |
221 | [ -e "${directory}/${ar}" ] \ | |
3cc7b21c | 222 | || ${fetch} --no-verbose -O "${directory}/${ar}" "${base_url}${ar}" \ |
cb9a4a5c | 223 | || die "Cannot download ${ar} from ${base_url}" |
224 | done | |
225 | unset ar | |
226 | ||
227 | if [ ${verify} -gt 0 ] | |
228 | then | |
3cc7b21c | 229 | chksumfile="contrib/prerequisites.${chksum_extension}" |
cb9a4a5c | 230 | [ -r "${chksumfile}" ] || die "No checksums available" |
231 | for ar in $(echo_archives) | |
232 | do | |
233 | grep "${ar}" "${chksumfile}" \ | |
3cc7b21c | 234 | | ( cd "${directory}" && ${chksum} ) \ |
cb9a4a5c | 235 | || die "Cannot verify integrity of possibly corrupted file ${ar}" |
236 | done | |
237 | unset chksumfile | |
93469932 | 238 | fi |
cb9a4a5c | 239 | unset ar |
240 | ||
241 | for ar in $(echo_archives) | |
242 | do | |
243 | package="${ar%.tar*}" | |
244 | if [ ${force} -gt 0 ]; then rm -rf "${directory}/${package}"; fi | |
245 | [ -e "${directory}/${package}" ] \ | |
246 | || ( cd "${directory}" && tar -xf "${ar}" ) \ | |
247 | || die "Cannot extract package from ${ar}" | |
248 | unset package | |
249 | done | |
250 | unset ar | |
251 | ||
252 | for ar in $(echo_archives) | |
253 | do | |
254 | target="${directory}/${ar%.tar*}/" | |
255 | linkname="${ar%-*}" | |
256 | if [ ${force} -gt 0 ]; then rm -f "${linkname}"; fi | |
257 | [ -e "${linkname}" ] \ | |
258 | || ln -s "${target}" "${linkname}" \ | |
259 | || die "Cannot create symbolic link ${linkname} --> ${target}" | |
260 | unset target linkname | |
261 | done | |
262 | unset ar | |
263 | ||
264 | echo "All prerequisites downloaded successfully." |