1#!/bin/bash 2 3# 4# Copyright 2019 Google LLC. All Rights Reserved. 5# Copyright 2014-2017 Nest Labs Inc. All Rights Reserved. 6# 7# Licensed under the Apache License, Version 2.0 (the "License"); 8# you may not use this file except in compliance with the License. 9# You may obtain a copy of the License at 10# 11# http://www.apache.org/licenses/LICENSE-2.0 12# 13# Unless required by applicable law or agreed to in writing, software 14# distributed under the License is distributed on an "AS IS" BASIS, 15# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16# See the License for the specific language governing permissions and 17# limitations under the License. 18# 19 20# 21# Description: 22# This file is a convenience script that will bootstrap the GNU 23# autotools system for a project after any build system changes. 24# 25 26# 27# usage 28# 29# Display program usage. 30# 31usage() { 32 name=`basename $0` 33 34 echo "Usage: ${name} [ options ] [ -w <what> ]" 35 36 if [ $1 -ne 0 ]; then 37 echo "Try '${name} -h' for more information." 38 fi 39 40 if [ $1 -ne 1 ]; then 41 echo "" 42 echo " -h, --help Print this help, then exit." 43 echo " -I DIR Specify directory DIR as the root of the " 44 echo " nlbuild-autotools repository." 45 echo " -v, --verbose Verbosely report bootstrap progress." 46 echo " -w, --what WHAT Specify what part of the package should be " 47 echo " bootstrapped: all, config, make, or none " 48 echo " (default: all)." 49 echo "" 50 fi 51 52 exit $1 53} 54 55# 56# check_required_executable <path variable> <executable name> 57# 58# Check to ensure that the named executable with the path in the 59# provided variable exists and is executable by the current user. 60# 61check_required_executable() { 62 variable="${1}" 63 path="${!variable}" 64 name="${2}" 65 output="${3}" 66 stem="The required executable '${name}'" 67 68 if [ -z "${path}" ]; then 69 echo "${stem} could not be found." 70 71 eval "${output}"="no" 72 73 return 1 74 elif [ ! -e "${path}" ] || [ ! -x "${path}" ]; then 75 stem="${stem} at '${path}'" 76 77 if [ ! -e ${path} ]; then 78 echo "${stem} does not exist." 79 elif [ ! -x ${path} ]; then 80 echo "${stem} is not executable." 81 fi 82 83 echo "Please ensure '${name}' is available in PATH." 84 85 eval "${output}"="no" 86 87 return 1 88 fi 89 90 eval "${output}"="yes" 91 92 return 0 93} 94 95check_required_executables() 96{ 97 check_required_executable ACLOCAL aclocal have_aclocal 98 check_required_executable AUTOCONF autoconf have_autoconf 99 check_required_executable AUTOHEADER autoheader have_autoheader 100 check_required_executable AUTOMAKE automake have_automake 101 check_required_executable LIBTOOLIZE libtoolize have_libtoolize 102 check_required_executable M4 m4 have_m4 103 104 if [ "${have_aclocal}" = "no" ] || [ "${have_autoconf}" = "no" ] || [ "${have_autoheader}" = "no" ] || [ "${have_automake}" = "no" ] || [ "${have_libtoolize}" = "no" ] || [ "${have_m4}" = "no" ]; then 105 cat << EOF 106-------------------------------------------------------------------------------- 107Your build host system is missing one or more of the above executables required 108for bootstrapping this nlbuild-autotools-based package. You can either install 109these yourself using package management tools available and appropriate for your 110build host platform or you can build preselected versions of these executables 111from source for this package on this build host by invoking: 112 113 make -C ${nlbuild_autotools_dir} tools 114 115and then re-running this script which will use those executables. 116-------------------------------------------------------------------------------- 117EOF 118 119 exit 1 120 121 fi 122} 123 124# 125# removetmp 126# 127# Remove temporary files and directories used during the run of this 128# script. 129# 130removetmp() { 131 if [ -n "${LIBTOOLIZE}" ] && [ "${LIBTOOLIZE}" = "${BOOTSTRAP_TMPDIR}/libtoolize" ]; then 132 rm -f "${LIBTOOLIZE}" 133 fi 134 135 if [ -n "${AUTOM4TE_CFG}" ]; then 136 rm -f "${AUTOM4TE_CFG}" 137 fi 138 139 rm -r -f "${BOOTSTRAP_TMPDIR}" 140} 141 142what="all" 143verbose= 144nlbuild_autotools_dir= 145 146# Parse out any command line options 147 148while [ ${#} -gt 0 ]; do 149 case ${1} in 150 -h|--help) 151 usage 0 152 ;; 153 154 -I) 155 nlbuild_autotools_dir="${2}" 156 shift 2 157 ;; 158 159 -v|--verbose) 160 verbose="--verbose" 161 shift 1 162 ;; 163 164 -w|--what) 165 case "${2}" in 166 167 all|make*|conf*|none) 168 what="${2}" 169 shift 2 170 ;; 171 172 *) 173 echo "Unknown what value '${2}'." >&2 174 usage 1 175 ;; 176 177 esac 178 ;; 179 180 *) 181 usage 1 182 ;; 183 184 esac 185done 186 187# Check to ensure that the location of the nlbuild-autotools directory 188# is sane. 189 190if [ -z "${nlbuild_autotools_dir}" ]; then 191 echo "$0: No -I option specified. Please provide the location of the nlbuild-autotools directory." >&2 192 exit 1 193 194elif [ ! -d "${nlbuild_autotools_dir}" ]; then 195 echo "$0: No such directory: ${nlbuild_autotools_dir}. Please provide a valid path to the nlbuild-autotools directory." >&2 196 exit 1 197 198fi 199 200# Establish some key directories 201 202srcdir=`dirname ${0}` 203abs_srcdir=`pwd` 204abs_top_srcdir="${abs_srcdir}" 205 206abs_top_hostdir="${nlbuild_autotools_dir}/tools/host" 207 208# Figure out what sort of build host we are running on, stripping off 209# any trailing version number information typically included on Darwin 210# / Mac OS X. 211 212host=`${nlbuild_autotools_dir}/third_party/autoconf/config.guess | sed -e 's/[[:digit:].]*$//g'` 213 214# If possible, attempt to be self-sufficient, relying on GNU autotools 215# executables installed along with the SDK itself. 216 217if [ -d "${abs_top_hostdir}/${host}/bin" ]; then 218 export PATH="${abs_top_hostdir}/${host}/bin:${PATH}" 219fi 220 221if [ -d "${abs_top_hostdir}/bin" ]; then 222 export PATH="${abs_top_hostdir}/bin:${PATH}" 223fi 224 225export ACLOCAL=`which aclocal` 226export AUTOCONF="`which autoconf`" 227export AUTOHEADER="`which autoheader`" 228export AUTOM4TE="`which autom4te`" 229export AUTOMAKE="`which automake`" 230export LIBTOOLIZE="`which libtoolize || which glibtoolize`" 231export M4=`which m4` 232 233# Establish, if necessary, some SDK-specific directories needed to 234# override various paths in GNU autotools that otherwise expect to be 235# absolute (e.g. /usr/share, etc.). 236 237if [ -d "${abs_top_hostdir}/share" ]; then 238 if [ -d "${abs_top_hostdir}/share/autoconf" ]; then 239 export AC_MACRODIR="${abs_top_hostdir}/share/autoconf" 240 241 export autom4te_perllibdir="${abs_top_hostdir}/share/autoconf" 242 fi 243 244 if [ -d "${abs_top_hostdir}/share/automake-1.14" ]; then 245 export PERL5LIB="${abs_top_hostdir}/share/automake-1.14:${PERL5LIB}" 246 247 make_action_options="--libdir ${abs_top_hostdir}/share/automake-1.14" 248 fi 249 250 if [ -d "${abs_top_hostdir}/share/aclocal-1.14" ]; then 251 local_action_options="--automake-acdir=${abs_top_hostdir}/share/aclocal-1.14 ${local_action_options}" 252 fi 253 254 if [ -d "${abs_top_hostdir}/share/aclocal" ]; then 255 local_action_options="--system-acdir=${abs_top_hostdir}/share/aclocal ${local_action_options}" 256 fi 257fi 258 259# Both autom4te.cfg and libtoolize, as installed from source, want to 260# use absolute file system paths that cannot be 261# overridden. Consequently, we create temporary, local versions of 262# these, patched up with SDK-specific paths. 263 264BOOTSTRAP_TMPDIR="`mktemp -d /tmp/tmp.bootstrapXXXXXX`" 265 266trap "removetmp" 1 2 3 9 15 267 268# 269# Generate any temporary files that need to be patched at run time 270# with the location of the SDK tree, including: 271# 272# - The autom4te configuration file 273# - The libtoolize executable script 274# 275 276if [ -r "${abs_top_hostdir}/share/autoconf/autom4te.cfg" ]; then 277 export AUTOM4TE_CFG="${BOOTSTRAP_TMPDIR}/autom4te.cfg" 278 279 sed -e "s,//share/autoconf,${abs_top_hostdir}/share/autoconf,g" < "${abs_top_hostdir}/share/autoconf/autom4te.cfg" > "${AUTOM4TE_CFG}" 280fi 281 282if [ -r "${abs_top_hostdir}/${host}/bin/libtoolize" ]; then 283 export LIBTOOLIZE="${BOOTSTRAP_TMPDIR}/libtoolize" 284 285 sed -e "s,//share/libtool,${abs_top_hostdir}/share/libtool,g" -e "s,//share/aclocal,${abs_top_hostdir}/share/aclocal,g" < "${abs_top_hostdir}/${host}/bin/libtoolize" > "${LIBTOOLIZE}" 286 287 chmod 775 "${LIBTOOLIZE}" 288fi 289 290# Before we get much further, check to ensure that the required 291# executables are available and, if not, provide some actionable 292# guidance. 293 294check_required_executables 295 296if [ -n "${verbose}" ]; then 297 echo PATH="${PATH}" 298 299 echo ACLOCAL="${ACLOCAL}" 300 echo AUTOCONF="${AUTOCONF}" 301 echo AUTOHEADER="${AUTOHEADER}" 302 echo AUTOM4TE="${AUTOM4TE}" 303 echo AUTOMAKE="${AUTOMAKE}" 304 echo LIBTOOLIZE="${LIBTOOLIZE}" 305 echo M4="${M4}" 306 307 echo AC_MACRODIR="${AC_MACRODIR}" 308 echo AUTOM4TE_CFG="${AUTOM4TE_CFG}" 309 echo PERL5LIB="${PERL5LIB}" 310 echo autom4te_perllibdir="${autom4te_perllibdir}" 311 312 echo local_action_options="${local_action_options}" 313 echo make_action_options="${make_action_options}" 314fi 315 316# Set up the default actions for each bootstrap stage. 317 318local_action="${ACLOCAL} ${verbose} ${local_action_options}" 319header_action="${AUTOHEADER} ${verbose}" 320tool_action="${LIBTOOLIZE} ${verbose} --automake --copy --force" 321make_action="${AUTOMAKE} ${verbose} ${make_action_options} --add-missing --copy" 322config_action="${AUTOCONF} ${verbose}" 323 324# Determine what needs to be short-circuited based on the 325# user-specified "what". 326 327case "${what}" in 328 329 all) 330 ;; 331 332 conf*) 333 local_action=true 334 header_action=true 335 tool_action=true 336 make_action=true 337 ;; 338 339 make*) 340 local_action=true 341 header_action=true 342 config_action=true 343 ;; 344 345 none) 346 local_action=true 347 header_action=true 348 tool_action=true 349 make_action=true 350 config_action=true 351 ;; 352 353esac 354 355# Bootstrap the package. 356 357if [ -n "${verbose}" ]; then 358 echo "${local_action} && ${tool_action} && ${header_action} && ${make_action} && ${config_action}" 359fi 360 361${local_action} && ${tool_action} && ${header_action} && ${make_action} && ${config_action} 362 363# Clean up any temporary files created. 364 365removetmp 366
