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}"*|*"${NL}"*) 42 printf "\n" 43 printf "Your PATH contains spaces, TABs, and/or newline (\\\n) characters.\n" 44 printf "This doesn't work. Fix you PATH.\n" 45 exit 1 46 ;; 47esac 48 49if test -n "$PERL_MM_OPT" ; then 50 echo 51 echo "You have PERL_MM_OPT defined because Perl local::lib" 52 echo "is installed on your system. Please unset this variable" 53 echo "before starting Buildroot, otherwise the compilation of" 54 echo "Perl related packages will fail" 55 exit 1 56fi 57 58check_prog_host() 59{ 60 prog="$1" 61 if ! which $prog > /dev/null ; then 62 echo >&2 63 echo "You must install '$prog' on your build machine" >&2 64 exit 1 65 fi 66} 67 68# Verify that which is installed 69check_prog_host "which" 70# Verify that sed is installed 71check_prog_host "sed" 72 73# 'file' must be present and must be exactly /usr/bin/file, 74# otherwise libtool fails in incomprehensible ways. 75check_prog_host "/usr/bin/file" 76 77# Check make 78MAKE=$(which make 2> /dev/null) 79if [ -z "$MAKE" ] ; then 80 echo 81 echo "You must install 'make' on your build machine"; 82 exit 1; 83fi; 84MAKE_VERSION=$($MAKE --version 2>&1 | sed -e 's/^.* \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q') 85if [ -z "$MAKE_VERSION" ] ; then 86 echo 87 echo "You must install 'make' on your build machine"; 88 exit 1; 89fi; 90MAKE_MAJOR=$(echo $MAKE_VERSION | sed -e "s/\..*//g") 91MAKE_MINOR=$(echo $MAKE_VERSION | sed -e "s/^$MAKE_MAJOR\.//g" -e "s/\..*//g" -e "s/[a-zA-Z].*//g") 92if [ $MAKE_MAJOR -lt 3 ] || [ $MAKE_MAJOR -eq 3 -a $MAKE_MINOR -lt 81 ] ; then 93 echo 94 echo "You have make '$MAKE_VERSION' installed. GNU make >=3.81 is required" 95 exit 1; 96fi; 97 98# Check host gcc 99COMPILER=$(which $HOSTCC_NOCCACHE 2> /dev/null) 100if [ -z "$COMPILER" ] ; then 101 COMPILER=$(which cc 2> /dev/null) 102fi; 103if [ -z "$COMPILER" ] ; then 104 echo 105 echo "You must install 'gcc' on your build machine"; 106 exit 1; 107fi; 108 109COMPILER_VERSION=$($COMPILER -v 2>&1 | sed -n '/^gcc version/p' | 110 sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q') 111if [ -z "$COMPILER_VERSION" ] ; then 112 echo 113 echo "You must install 'gcc' on your build machine"; 114 exit 1; 115fi; 116COMPILER_MAJOR=$(echo $COMPILER_VERSION | sed -e "s/\..*//g") 117COMPILER_MINOR=$(echo $COMPILER_VERSION | sed -e "s/^$COMPILER_MAJOR\.//g" -e "s/\..*//g") 118if [ $COMPILER_MAJOR -lt 4 -o $COMPILER_MAJOR -eq 4 -a $COMPILER_MINOR -lt 8 ] ; then 119 echo 120 echo "You have gcc '$COMPILER_VERSION' installed. gcc >= 4.8 is required" 121 exit 1; 122fi; 123 124# check for host CXX 125CXXCOMPILER=$(which $HOSTCXX_NOCCACHE 2> /dev/null) 126if [ -z "$CXXCOMPILER" ] ; then 127 CXXCOMPILER=$(which c++ 2> /dev/null) 128fi 129 130if [ -z "$CXXCOMPILER" ] ; then 131 echo 132 echo "You may have to install 'g++' on your build machine" 133fi 134if [ ! -z "$CXXCOMPILER" ] ; then 135 CXXCOMPILER_VERSION=$($CXXCOMPILER -v 2>&1 | sed -n '/^gcc version/p' | 136 sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q') 137 if [ -z "$CXXCOMPILER_VERSION" ] ; then 138 echo 139 echo "You may have to install 'g++' on your build machine" 140 fi 141fi 142 143if [ -n "$CXXCOMPILER_VERSION" ] ; then 144 CXXCOMPILER_MAJOR=$(echo $CXXCOMPILER_VERSION | sed -e "s/\..*//g") 145 CXXCOMPILER_MINOR=$(echo $CXXCOMPILER_VERSION | sed -e "s/^$CXXCOMPILER_MAJOR\.//g" -e "s/\..*//g") 146 if [ $CXXCOMPILER_MAJOR -lt 4 -o $CXXCOMPILER_MAJOR -eq 4 -a $CXXCOMPILER_MINOR -lt 8 ] ; then 147 echo 148 echo "You have g++ '$CXXCOMPILER_VERSION' installed. g++ >= 4.8 is required" 149 exit 1 150 fi 151fi 152 153# Check bash 154# We only check bash is available, setting SHELL appropriately is done 155# in the top-level Makefile, and we mimick the same sequence here 156if [ -n "${BASH}" ]; then : 157elif [ -x /bin/bash ]; then : 158elif [ -z "$( sh -c 'echo $BASH' )" ]; then 159 echo 160 echo "You must install 'bash' on your build machine" 161 exit 1 162fi 163 164# Check that a few mandatory programs are installed 165missing_progs="no" 166for prog in perl tar wget cpio unzip rsync bc ${DL_TOOLS} ; do 167 if ! which $prog > /dev/null ; then 168 echo "You must install '$prog' on your build machine"; 169 missing_progs="yes" 170 if test $prog = "svn" ; then 171 echo " svn is usually part of the subversion package in your distribution" 172 elif test $prog = "hg" ; then 173 echo " hg is usually part of the mercurial package in your distribution" 174 elif test $prog = "zcat" ; then 175 echo " zcat is usually part of the gzip package in your distribution" 176 elif test $prog = "bzcat" ; then 177 echo " bzcat is usually part of the bzip2 package in your distribution" 178 fi 179 fi 180done 181 182if test "${missing_progs}" = "yes" ; then 183 exit 1 184fi 185 186PATCH_VERSION="$(patch -v 2>/dev/null | sed -n 's/^GNU patch \(.*\)/\1/p')" 187if [ -z "${PATCH_VERSION}" ] ; then 188 echo 189 echo "You must install GNU patch" 190 exit 1 191fi 192PATCH_MAJOR="$(echo "${PATCH_VERSION}" | cut -d . -f 1)" 193PATCH_MINOR="$(echo "${PATCH_VERSION}" | cut -d . -f 2)" 194if [ "${PATCH_MAJOR}" -lt 2 ] || [ "${PATCH_MAJOR}" -eq 2 -a "${PATCH_MINOR}" -lt 7 ] ; then 195 echo 196 echo "You have GNU patch '${PATCH_VERSION}' installed. GNU patch >= 2.7 is required" 197 exit 1; 198fi 199 200if grep ^BR2_NEEDS_HOST_UTF8_LOCALE=y $BR2_CONFIG > /dev/null; then 201 if ! which locale > /dev/null ; then 202 echo 203 echo "You need locale support on your build machine to build a toolchain supporting locales" 204 exit 1 ; 205 fi 206 if ! locale -a | grep -q -i -E 'utf-?8$' ; then 207 echo 208 echo "You need at least one UTF8 locale to build a toolchain supporting locales" 209 exit 1 ; 210 fi 211fi 212 213if grep -q ^BR2_NEEDS_HOST_JAVA=y $BR2_CONFIG ; then 214 check_prog_host "java" 215 JAVA_GCJ=$(java -version 2>&1 | grep gcj) 216 if [ ! -z "$JAVA_GCJ" ] ; then 217 echo 218 echo "$JAVA_GCJ is not sufficient to compile your package selection." 219 echo "Please install an OpenJDK/IcedTea/Oracle Java." 220 exit 1 ; 221 fi 222fi 223 224if grep -q ^BR2_HOSTARCH_NEEDS_IA32_LIBS=y $BR2_CONFIG ; then 225 if test ! -f /lib/ld-linux.so.2 ; then 226 echo 227 echo "Your Buildroot configuration uses pre-built tools for the x86 architecture," 228 echo "but your build machine uses the x86-64 architecture without the 32 bits compatibility" 229 echo "library." 230 echo "If you're running a Debian/Ubuntu distribution, install the libc6-i386," 231 echo "lib32stdc++6, and lib32z1 packages (or alternatively libc6:i386," 232 echo "libstdc++6:i386, and zlib1g:i386)." 233 echo "If you're running a RedHat/Fedora distribution, install the glibc.i686 and" 234 echo "zlib.i686 packages." 235 echo "If you're running an ArchLinux distribution, install lib32-glibc." 236 echo "For other distributions, refer to the documentation on how to install the 32 bits" 237 echo "compatibility libraries." 238 exit 1 239 fi 240fi 241 242if grep -q ^BR2_HOSTARCH_NEEDS_IA32_COMPILER=y $BR2_CONFIG ; then 243 if ! echo "int main(void) {}" | gcc -m32 -x c - -o /dev/null 2>/dev/null; then 244 echo 245 echo "Your Buildroot configuration needs a compiler capable of building 32 bits binaries." 246 echo "If you're running a Debian/Ubuntu distribution, install the gcc-multilib package." 247 echo "For other distributions, refer to their documentation." 248 exit 1 249 fi 250 251 if ! echo "int main(void) {}" | g++ -m32 -x c++ - -o /dev/null 2>/dev/null; then 252 echo 253 echo "Your Buildroot configuration needs a compiler capable of building 32 bits binaries." 254 echo "If you're running a Debian/Ubuntu distribution, install the g++-multilib package." 255 echo "For other distributions, refer to their documentation." 256 exit 1 257 fi 258fi 259 260if grep ^BR2_NEEDS_HOST_GCC_PLUGIN_SUPPORT=y $BR2_CONFIG ; then 261 if ! echo "#include <gcc-plugin.h>" | $HOSTCXX_NOCCACHE -I$($HOSTCXX_NOCCACHE -print-file-name=plugin)/include -x c++ -c - -o /dev/null ; then 262 echo 263 echo "Your Buildroot configuration needs a host compiler capable of building gcc plugins." 264 echo "If you're running a Debian/Ubuntu distribution, install gcc-X-plugin-dev package." 265 echo "For other distributions, refer to their documentation." 266 exit 1 ; 267 fi 268fi 269 270# Check that the Perl installation is complete enough for Buildroot. 271required_perl_modules="Data::Dumper" # Needed to build host-autoconf 272required_perl_modules="$required_perl_modules ExtUtils::MakeMaker" # Used by host-libxml-parser-perl 273required_perl_modules="$required_perl_modules Thread::Queue" # Used by host-automake 274 275if grep -q ^BR2_PACKAGE_MPV=y $BR2_CONFIG ; then 276 required_perl_modules="$required_perl_modules Math::BigInt" 277 required_perl_modules="$required_perl_modules Math::BigRat" 278fi 279 280if grep -q ^BR2_PACKAGE_WHOIS=y $BR2_CONFIG ; then 281 required_perl_modules="$required_perl_modules autodie" 282fi 283 284if grep -q -E '^BR2_PACKAGE_(WEBKITGTK|WPEWEBKIT)=y' $BR2_CONFIG ; then 285 required_perl_modules="${required_perl_modules} JSON::PP" 286fi 287 288# This variable will keep the modules that are missing in your system. 289missing_perl_modules="" 290 291for pm in $required_perl_modules ; do 292 if ! perl -e "require $pm" > /dev/null 2>&1 ; then 293 missing_perl_modules="$missing_perl_modules $pm" 294 fi 295done 296 297if [ -n "$missing_perl_modules" ] ; then 298 echo "Your Perl installation is not complete enough; at least the following" 299 echo "modules are missing:" 300 echo 301 for pm in $missing_perl_modules ; do 302 printf "\t $pm\n" 303 done 304 echo 305 exit 1 306fi 307