1#!/bin/sh 2 3# Parameters <haiku sourcedir> <buildtools dir> <install dir> 4# Influential environmental variable: 5# * haikuRequiredLegacyGCCVersion: The required version of the gcc. Will be 6# checked against the version in the buildtools directory. 7 8# get and check the parameters 9if [ $# -lt 3 ]; then 10 echo Usage: $0 '<haiku sourcedir> <buildtools dir> <install dir>' >&2 11 exit 1 12fi 13 14haikuSourceDir=$1 15buildToolsDir=$2/legacy 16installDir=$3 17shift 3 18additionalMakeArgs=$* 19 # Note: The gcc 2 build has trouble with -jN N > 1, hence we only use the 20 # additional flags for the binutils build. Should there ever be any other 21 # flags than -jN, we need to handle this differently. 22 23if [ `uname -o` = 'Haiku' ]; then 24 # force cross-build if building on Haiku: 25 buildhostMachine=i586-pc-haiku_buildhost 26 buildHostSpec="--build=$buildhostMachine --host=$buildhostMachine" 27fi 28 29if [ ! -d $haikuSourceDir ]; then 30 echo "ERROR: No such directory: \"$haikuSourceDir\"" >&2 31 exit 1 32fi 33 34if [ ! -d $buildToolsDir ]; then 35 echo "ERROR: No such directory: \"$buildToolsDir\"" >&2 36 exit 1 37fi 38 39# verify or extract the gcc version 40gccVersionDotC="$buildToolsDir/gcc/gcc/version.c" 41if [ -n "$haikuRequiredLegacyGCCVersion" ]; then 42 # haikuRequiredLegacyGCCVersion has been specified. Check whether the 43 # version of the gcc in the given build tools directory matches. 44 if ! grep "$haikuRequiredLegacyGCCVersion" \ 45 "$gccVersionDotC" >/dev/null 2>&1 ; then 46 echo "*** Mismatching compiler versions between configure script and" \ 47 >&2 48 echo "*** $gccVersionDotC" >&2 49 echo "*** Did you perhaps update only one of haiku & buildtools?" >&2 50 exit 1 51 fi 52else 53 # haikuRequiredLegacyGCCVersion wasn't specified. Extract the version string 54 # from the gcc's version.c. 55 haikuRequiredLegacyGCCVersion=`grep "2.95.3-haiku-" "$gccVersionDotC" \ 56 | sed 's@.*\"\(.*\)\".*@\1@'` 57 if [ -z "$haikuRequiredLegacyGCCVersion" ]; then 58 echo "ERROR: Failed to extract version string from $gccVersionDotC" >&2 59 exit 1 60 fi 61fi 62 63 64# create the output dir 65mkdir -p $installDir || exit 1 66 67 68# get absolute paths 69currentDir=`pwd` 70 71cd $haikuSourceDir 72haikuSourceDir=`pwd` 73cd $currentDir 74 75cd $buildToolsDir 76buildToolsDir=`pwd` 77cd $currentDir 78 79cd $installDir 80installDir=`pwd` 81cd $currentDir 82 83 84# create the object and installation directories for the cross compilation tools 85objDir=${installDir}-build 86binutilsObjDir=$objDir/binutils 87gccObjDir=$objDir/gcc 88tmpIncludeDir=$objDir/sysincludes 89tmpLibDir=$objDir/syslibs 90 91rm -rf $installDir $objDir 92 93mkdir -p $installDir $objDir $binutilsObjDir $gccObjDir $tmpIncludeDir \ 94 $tmpLibDir || exit 1 95mkdir -p $installDir/lib/gcc-lib/i586-pc-haiku/$haikuRequiredLegacyGCCVersion 96 97# force the POSIX locale, as the build (makeinfo) might choke otherwise 98export LC_ALL=POSIX 99 100# drop an multiple job arguments from MAKEFLAGS 101if [ ! -z "$MAKEFLAGS" ]; then 102 export MAKEFLAGS=$(echo $MAKEFLAGS | sed -e 's/-j\s*[0-9][0-9]*//g') 103fi 104 105 106# build binutils 107cd $binutilsObjDir 108CFLAGS="-O2" CXXFLAGS="-O2" $buildToolsDir/binutils/configure \ 109 --prefix=$installDir $buildHostSpec --target=i586-pc-haiku \ 110 --disable-nls --enable-shared=yes --disable-werror || exit 1 111make $additionalMakeArgs || exit 1 112make $additionalMakeArgs install || exit 1 113 114PATH=$PATH:$installDir/bin 115export PATH 116 117 118# build gcc 119 120# prepare the include files 121copy_headers() 122{ 123 sourceDir=$1 124 targetDir=$2 125 126 headers="`find $sourceDir -name \*\.h`" 127 headers="`echo $headers | sed -e s@$sourceDir/@@g`" 128 for f in $headers; do 129 headerTargetDir=$targetDir/`dirname $f` 130 mkdir -p $headerTargetDir 131 cp $sourceDir/$f $headerTargetDir 132 done 133} 134 135copy_headers $haikuSourceDir/headers/config $tmpIncludeDir/config 136copy_headers $haikuSourceDir/headers/os $tmpIncludeDir/os 137copy_headers $haikuSourceDir/headers/posix $tmpIncludeDir/posix 138 139# Touch some files generated by bison, so that bison won't run to update them. 140# Fixes issues with newer bison versions. 141# And while at it, touch gperf target, too (as gperf may not be installed) 142(cd $buildToolsDir/gcc/gcc; touch c-parse.c c-parse.h cexp.c cp/parse.c \ 143 cp/parse.h c-gperf.h) 144 145# configure gcc 146cd $gccObjDir 147case `uname` in 148 Darwin) 149 # GCC 2 compiled for x86_64 OS X is broken, compile for i386. 150 export CC="gcc -arch i386" 151 ;; 152esac 153CFLAGS="-O2 -U_FORTIFY_SOURCE" CXXFLAGS="-O2" $buildToolsDir/gcc/configure \ 154 --prefix=$installDir $buildHostSpec --target=i586-pc-haiku \ 155 --disable-nls --enable-shared=yes --enable-languages=c,c++ \ 156 --with-headers=$tmpIncludeDir --with-libs=$tmpLibDir \ 157 || exit 1 158unset CC 159 160# hack the Makefile to avoid trouble with stuff we don't need anyway 161sedExpr= 162for toRemove in libiberty libio libjava libobjc libstdc++; do 163 sedExpr="$sedExpr -e 's@^\(TARGET_CONFIGDIRS =.*\)$toRemove\(.*\)@\1\2@'" 164done 165echo sedExpr: $sedExpr 166mv Makefile Makefile.bak || exit 1 167eval "sed $sedExpr Makefile.bak > Makefile" || exit 1 168rm Makefile.bak 169 170# make gcc 171make cross || { 172 echo "ERROR: Building gcc failed." >&2 173 exit 1 174} 175 176# install gcc 177make install-gcc-cross || { 178 echo "ERROR: Installing the cross compiler failed." >&2 179 exit 1 180} 181 182# Remove the math.h gcc header. It has been generated by fixincludes 183# (unconditional hack: math_huge_val_ifndef) from ours and it is semantically 184# equivalent. 185rm -f $installDir/lib/gcc-lib/i586-pc-haiku/$haikuRequiredLegacyGCCVersion/include/math.h 186 187# Symlink the built-in C++ headers path to the sys-include directory. This is 188# not actually needed for cross compiling Haiku itself, but simplifies using the 189# cross compiler for building the bootstrap packages. 190(cd $installDir/include; ln -s ../i586-pc-haiku/sys-include/c++/2.95.3 g++) 191 192 193# cleanup 194 195# remove the system headers from the installation dir 196# Only the ones from the source tree should be used. 197rm -rf $installDir/i586-pc-haiku/sys-include 198 199# remove the objects dir 200rm -rf $objDir 201 202 203echo "binutils and gcc for cross compilation have been built successfully!" 204