1#!/bin/sh 2# vi: set sw=4 ts=4: 3 4export LC_ALL=C 5TAB="$(printf '\t')" 6NL=" 7" 8 9# Verify that grep works 10echo "WORKS" | grep "WORKS" >/dev/null 2>&1 11if test $? != 0 ; then 12 echo 13 echo "grep doesn't work" 14 exit 1 15fi 16 17# Sanity check for CWD in LD_LIBRARY_PATH 18case ":${LD_LIBRARY_PATH:-unset}:" in 19(*::*|*:.:*) 20 echo 21 echo "You seem to have the current working directory in your" 22 echo "LD_LIBRARY_PATH environment variable. This doesn't work." 23 exit 1 24 ;; 25esac 26 27# Sanity check for CWD in PATH. Having the current working directory 28# in the PATH makes various packages (e.g. toolchain, coreutils...) 29# build process break. 30# PATH should not contain a newline, otherwise it fails in spectacular 31# ways as soon as PATH is referenced in a package rule 32# An empty PATH is technically possible, but in practice we would not 33# even arrive here if that was the case. 34case ":${PATH:-unset}:" in 35(*::*|*:.:*) 36 echo 37 echo "You seem to have the current working directory in your" 38 echo "PATH environment variable. This doesn't work." 39 exit 1 40 ;; 41(*" "*|*"${TAB}"*|*"${NL}"*) 42 printf "\n" 43 printf "Your PATH contains spaces, TABs, and/or newline (\\\n) characters.\n" 44 printf "This doesn't work. Fix you PATH.\n" 45 exit 1 46 ;; 47esac 48 49check_prog_host() 50{ 51 prog="$1" 52 if ! which $prog > /dev/null ; then 53 echo >&2 54 echo "You must install '$prog' on your build machine" >&2 55 exit 1 56 fi 57} 58 59# Verify that which is installed 60check_prog_host "which" 61# Verify that sed is installed 62check_prog_host "sed" 63 64# 'file' must be present and must be exactly /usr/bin/file, 65# otherwise libtool fails in incomprehensible ways. 66check_prog_host "/usr/bin/file" 67 68# Check make 69MAKE=$(which make 2> /dev/null) 70if [ -z "$MAKE" ] ; then 71 echo 72 echo "You must install 'make' on your build machine"; 73 exit 1; 74fi; 75MAKE_VERSION=$($MAKE --version 2>&1 | sed -e 's/^.* \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q') 76if [ -z "$MAKE_VERSION" ] ; then 77 echo 78 echo "You must install 'make' on your build machine"; 79 exit 1; 80fi; 81MAKE_MAJOR=$(echo $MAKE_VERSION | sed -e "s/\..*//g") 82MAKE_MINOR=$(echo $MAKE_VERSION | sed -e "s/^$MAKE_MAJOR\.//g" -e "s/\..*//g" -e "s/[a-zA-Z].*//g") 83if [ $MAKE_MAJOR -lt 3 ] || [ $MAKE_MAJOR -eq 3 -a $MAKE_MINOR -lt 81 ] ; then 84 echo 85 echo "You have make '$MAKE_VERSION' installed. GNU make >=3.81 is required" 86 exit 1; 87fi; 88 89# Check host gcc 90COMPILER=$(which $HOSTCC_NOCCACHE 2> /dev/null) 91if [ -z "$COMPILER" ] ; then 92 COMPILER=$(which cc 2> /dev/null) 93fi; 94if [ -z "$COMPILER" ] ; then 95 echo 96 echo "You must install 'gcc' on your build machine"; 97 exit 1; 98fi; 99 100COMPILER_VERSION=$($COMPILER -v 2>&1 | sed -n '/^gcc version/p' | 101 sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q') 102if [ -z "$COMPILER_VERSION" ] ; then 103 echo 104 echo "You must install 'gcc' on your build machine"; 105 exit 1; 106fi; 107COMPILER_MAJOR=$(echo $COMPILER_VERSION | sed -e "s/\..*//g") 108COMPILER_MINOR=$(echo $COMPILER_VERSION | sed -e "s/^$COMPILER_MAJOR\.//g" -e "s/\..*//g") 109if [ $COMPILER_MAJOR -lt 4 -o $COMPILER_MAJOR -eq 4 -a $COMPILER_MINOR -lt 8 ] ; then 110 echo 111 echo "You have gcc '$COMPILER_VERSION' installed. gcc >= 4.8 is required" 112 exit 1; 113fi; 114 115# check for host CXX 116CXXCOMPILER=$(which $HOSTCXX_NOCCACHE 2> /dev/null) 117if [ -z "$CXXCOMPILER" ] ; then 118 CXXCOMPILER=$(which c++ 2> /dev/null) 119fi 120 121if [ -z "$CXXCOMPILER" ] ; then 122 echo 123 echo "You may have to install 'g++' on your build machine" 124fi 125if [ ! -z "$CXXCOMPILER" ] ; then 126 CXXCOMPILER_VERSION=$($CXXCOMPILER -v 2>&1 | sed -n '/^gcc version/p' | 127 sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q') 128 if [ -z "$CXXCOMPILER_VERSION" ] ; then 129 echo 130 echo "You may have to install 'g++' on your build machine" 131 fi 132fi 133 134if [ -n "$CXXCOMPILER_VERSION" ] ; then 135 CXXCOMPILER_MAJOR=$(echo $CXXCOMPILER_VERSION | sed -e "s/\..*//g") 136 CXXCOMPILER_MINOR=$(echo $CXXCOMPILER_VERSION | sed -e "s/^$CXXCOMPILER_MAJOR\.//g" -e "s/\..*//g") 137 if [ $CXXCOMPILER_MAJOR -lt 4 -o $CXXCOMPILER_MAJOR -eq 4 -a $CXXCOMPILER_MINOR -lt 8 ] ; then 138 echo 139 echo "You have g++ '$CXXCOMPILER_VERSION' installed. g++ >= 4.8 is required" 140 exit 1 141 fi 142fi 143 144# Check bash 145# We only check bash is available, setting SHELL appropriately is done 146# in the top-level Makefile, and we mimick the same sequence here 147if [ -n "${BASH}" ]; then : 148elif [ -x /bin/bash ]; then : 149elif [ -z "$( sh -c 'echo $BASH' )" ]; then 150 echo 151 echo "You must install 'bash' on your build machine" 152 exit 1 153fi 154 155# Check that a few mandatory programs are installed 156missing_progs="no" 157for prog in perl tar wget cpio unzip rsync bc cmp find xargs ${DL_TOOLS} ; do 158 if ! which $prog > /dev/null ; then 159 echo "You must install '$prog' on your build machine"; 160 missing_progs="yes" 161 if test $prog = "svn" ; then 162 echo " svn is usually part of the subversion package in your distribution" 163 elif test $prog = "hg" ; then 164 echo " hg is usually part of the mercurial package in your distribution" 165 elif test $prog = "zcat" ; then 166 echo " zcat is usually part of the gzip package in your distribution" 167 elif test $prog = "bzcat" ; then 168 echo " bzcat is usually part of the bzip2 package in your distribution" 169 elif test $prog = "cmp" ; then 170 echo " cmp is usually part of the diffutils package in your distribution" 171 elif test $prog = "find" ; then 172 echo " find is usually part of the findutils package in your distribution" 173 elif test $prog = "xargs" ; then 174 echo " xargs is usually part of the findutils package in your distribution" 175 fi 176 fi 177 178 # we need git >= 2.0.0 for shallow clones / vendoring 179 if test $prog = "git" ; then 180 GIT_VERSION="$(git --version | sed -n 's/^git version \(.*\)/\1/p')" 181 GIT_MAJOR="$(echo "${GIT_VERSION}" | cut -d . -f 1)" 182 if [ "${GIT_MAJOR}" -lt 2 ]; then 183 echo "You have git '${GIT_VERSION}' installed. Git >= 2.0.0 is required" 184 exit 1 185 fi 186 fi 187done 188 189if test "${missing_progs}" = "yes" ; then 190 exit 1 191fi 192 193PATCH_VERSION="$(patch -v 2>/dev/null | sed -n 's/^GNU patch \(.*\)/\1/p')" 194if [ -z "${PATCH_VERSION}" ] ; then 195 echo 196 echo "You must install GNU patch" 197 exit 1 198fi 199PATCH_MAJOR="$(echo "${PATCH_VERSION}" | cut -d . -f 1)" 200PATCH_MINOR="$(echo "${PATCH_VERSION}" | cut -d . -f 2)" 201if [ "${PATCH_MAJOR}" -lt 2 ] || [ "${PATCH_MAJOR}" -eq 2 -a "${PATCH_MINOR}" -lt 7 ] ; then 202 echo 203 echo "You have GNU patch '${PATCH_VERSION}' installed. GNU patch >= 2.7 is required" 204 exit 1; 205fi 206 207if grep -q ^BR2_NEEDS_HOST_UTF8_LOCALE=y $BR2_CONFIG ; then 208 if ! which locale > /dev/null ; then 209 echo 210 echo "You need locale support on your build machine to build a toolchain supporting locales" 211 exit 1 ; 212 fi 213 if ! locale -a | grep -q -i -E 'utf-?8$' ; then 214 echo 215 echo "You need at least one UTF8 locale to build a toolchain supporting locales" 216 exit 1 ; 217 fi 218fi 219 220if grep -q ^BR2_NEEDS_HOST_JAVA=y $BR2_CONFIG ; then 221 check_prog_host "java" 222 JAVA_GCJ=$(java -version 2>&1 | grep gcj) 223 if [ ! -z "$JAVA_GCJ" ] ; then 224 echo 225 echo "$JAVA_GCJ is not sufficient to compile your package selection." 226 echo "Please install an OpenJDK/IcedTea/Oracle Java." 227 exit 1 ; 228 fi 229fi 230 231if grep -q ^BR2_HOSTARCH_NEEDS_IA32_LIBS=y $BR2_CONFIG ; then 232 if test ! -f /lib/ld-linux.so.2 ; then 233 echo 234 echo "Your Buildroot configuration uses pre-built tools for the x86 architecture," 235 echo "but your build machine uses the x86-64 architecture without the 32 bits compatibility" 236 echo "library." 237 echo "If you're running a Debian/Ubuntu distribution, install the libc6-i386," 238 echo "lib32stdc++6, and lib32z1 packages (or alternatively libc6:i386," 239 echo "libstdc++6:i386, and zlib1g:i386)." 240 echo "If you're running a RedHat/Fedora distribution, install the glibc.i686 and" 241 echo "zlib.i686 packages." 242 echo "If you're running an ArchLinux distribution, install lib32-glibc." 243 echo "For other distributions, refer to the documentation on how to install the 32 bits" 244 echo "compatibility libraries." 245 exit 1 246 fi 247fi 248 249if grep -q ^BR2_HOSTARCH_NEEDS_IA32_COMPILER=y $BR2_CONFIG ; then 250 if ! echo "int main(void) {}" | gcc -m32 -x c - -o /dev/null 2>/dev/null; then 251 echo 252 echo "Your Buildroot configuration needs a compiler capable of building 32 bits binaries." 253 echo "If you're running a Debian/Ubuntu distribution, install the gcc-multilib package." 254 echo "For other distributions, refer to their documentation." 255 exit 1 256 fi 257 258 if ! echo "int main(void) {}" | g++ -m32 -x c++ - -o /dev/null 2>/dev/null; then 259 echo 260 echo "Your Buildroot configuration needs a compiler capable of building 32 bits binaries." 261 echo "If you're running a Debian/Ubuntu distribution, install the g++-multilib package." 262 echo "For other distributions, refer to their documentation." 263 exit 1 264 fi 265fi 266 267if grep -q ^BR2_NEEDS_HOST_GCC_PLUGIN_SUPPORT=y $BR2_CONFIG ; then 268 if ! echo "#include <gcc-plugin.h>" | $HOSTCXX_NOCCACHE -I$($HOSTCXX_NOCCACHE -print-file-name=plugin)/include -x c++ -c - -o /dev/null ; then 269 echo 270 echo "Your Buildroot configuration needs a host compiler capable of building gcc plugins." 271 echo "If you're running a Debian/Ubuntu distribution, install gcc-X-plugin-dev package." 272 echo "For other distributions, refer to their documentation." 273 exit 1 ; 274 fi 275fi 276 277# Check that the Perl installation is complete enough for Buildroot. 278required_perl_modules="Data::Dumper" # Needed to build host-autoconf 279required_perl_modules="$required_perl_modules English" # Used by host-libxml-parser-perl 280required_perl_modules="$required_perl_modules ExtUtils::MakeMaker" # Used by host-libxml-parser-perl 281required_perl_modules="$required_perl_modules Thread::Queue" # Used by host-automake 282required_perl_modules="$required_perl_modules FindBin" # Used by (host-)libopenssl 283required_perl_modules="$required_perl_modules IPC::Cmd" # Used by (host-)libopenssl 284 285if grep -q ^BR2_PACKAGE_LIBOPENSSL=y $BR2_CONFIG && grep -q ^BR2_s390x=y $BR2_CONFIG ; then 286 required_perl_modules="$required_perl_modules bigint" 287fi 288 289if grep -q ^BR2_PACKAGE_MOSH=y $BR2_CONFIG ; then 290 required_perl_modules="$required_perl_modules diagnostics" 291fi 292 293if grep -q ^BR2_PACKAGE_MPV=y $BR2_CONFIG ; then 294 required_perl_modules="$required_perl_modules Math::BigInt" 295 required_perl_modules="$required_perl_modules Math::BigRat" 296fi 297 298if grep -q ^BR2_PACKAGE_NETSURF=y $BR2_CONFIG ; then 299 required_perl_modules="$required_perl_modules Digest::MD5" 300fi 301 302if grep -q ^BR2_PACKAGE_WHOIS=y $BR2_CONFIG ; then 303 required_perl_modules="$required_perl_modules autodie" 304fi 305 306if grep -q -E '^BR2_PACKAGE_(WEBKITGTK|WPEWEBKIT)=y' $BR2_CONFIG ; then 307 required_perl_modules="${required_perl_modules} JSON::PP" 308fi 309 310if grep -q -E '^BR2_(PACKAGE_ACE|TARGET_SYSLINUX)=y' $BR2_CONFIG ; then 311 required_perl_modules="$required_perl_modules FileHandle" 312fi 313 314# This variable will keep the modules that are missing in your system. 315missing_perl_modules="" 316 317if grep -q ^BR2_PACKAGE_LIBXCRYPT=y $BR2_CONFIG ; then 318 # open cannot be used with require 319 if ! perl -e "use open ':std'" > /dev/null 2>&1 ; then 320 missing_perl_modules="$missing_perl_modules open" 321 fi 322fi 323 324for pm in $required_perl_modules ; do 325 if ! perl -e "require $pm" > /dev/null 2>&1 ; then 326 missing_perl_modules="$missing_perl_modules $pm" 327 fi 328done 329 330if [ -n "$missing_perl_modules" ] ; then 331 echo "Your Perl installation is not complete enough; at least the following" 332 echo "modules are missing:" 333 echo 334 for pm in $missing_perl_modules ; do 335 printf "\t $pm\n" 336 done 337 echo 338 exit 1 339fi 340