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 14set -e 15 16haikuSourceDir=$1 17buildToolsDir=$2/legacy 18installDir=$3 19shift 3 20additionalMakeArgs=$* 21 # Note: The gcc 2 build has trouble with -jN N > 1, hence we only use the 22 # additional flags for the binutils build. Should there ever be any other 23 # flags than -jN, we need to handle this differently. 24 25if [ `uname -s` = 'Haiku' ]; then 26 # force cross-build if building on Haiku: 27 buildhostMachine=i586-pc-haiku_buildhost 28 buildHostSpec="--build=$buildhostMachine --host=$buildhostMachine" 29fi 30 31if [ ! -d $haikuSourceDir ]; then 32 echo "ERROR: No such directory: \"$haikuSourceDir\"" >&2 33 exit 1 34fi 35 36if [ ! -d $buildToolsDir ]; then 37 echo "ERROR: No such directory: \"$buildToolsDir\"" >&2 38 exit 1 39fi 40 41# verify or extract the gcc version 42gccVersionDotC="$buildToolsDir/gcc/gcc/version.c" 43if [ -n "$haikuRequiredLegacyGCCVersion" ]; then 44 # haikuRequiredLegacyGCCVersion has been specified. Check whether the 45 # version of the gcc in the given build tools directory matches. 46 if ! grep "$haikuRequiredLegacyGCCVersion" \ 47 "$gccVersionDotC" >/dev/null 2>&1 ; then 48 echo "*** Mismatching compiler versions between configure script and" \ 49 >&2 50 echo "*** $gccVersionDotC" >&2 51 echo "*** Did you perhaps update only one of haiku & buildtools?" >&2 52 exit 1 53 fi 54else 55 # haikuRequiredLegacyGCCVersion wasn't specified. Extract the version string 56 # from the gcc's version.c. 57 haikuRequiredLegacyGCCVersion=`grep "2.95.3-haiku-" "$gccVersionDotC" \ 58 | sed 's@.*\"\(.*\)\".*@\1@'` 59 if [ -z "$haikuRequiredLegacyGCCVersion" ]; then 60 echo "ERROR: Failed to extract version string from $gccVersionDotC" >&2 61 exit 1 62 fi 63fi 64 65 66# create the output dir 67mkdir -p $installDir || exit 1 68 69 70# get absolute paths 71currentDir=`pwd` 72 73cd $haikuSourceDir 74haikuSourceDir=`pwd` 75cd $currentDir 76 77cd $buildToolsDir 78buildToolsDir=`pwd` 79cd $currentDir 80 81cd $installDir 82installDir=`pwd` 83cd $currentDir 84 85 86# create the object and installation directories for the cross compilation tools 87objDir=${installDir}-build 88binutilsObjDir=$objDir/binutils 89gccObjDir=$objDir/gcc 90tmpIncludeDir=$objDir/sysincludes 91tmpLibDir=$objDir/syslibs 92 93rm -rf $installDir $objDir 94 95mkdir -p $installDir $objDir $binutilsObjDir $gccObjDir $tmpIncludeDir \ 96 $tmpLibDir || exit 1 97mkdir -p $installDir/lib/gcc-lib/i586-pc-haiku/$haikuRequiredLegacyGCCVersion 98 99gccConfigureArgs= 100if [ -n "$SECONDARY_ARCH" ]; then 101 gccConfigureArgs="$gccConfigureArgs --with-hybrid-secondary=$SECONDARY_ARCH" 102fi 103 104# force the POSIX locale, as the build (makeinfo) might choke otherwise 105export LC_ALL=POSIX 106 107# drop an multiple job arguments from MAKEFLAGS 108if [ ! -z "$MAKEFLAGS" ]; then 109 export MAKEFLAGS=$(echo $MAKEFLAGS | sed -e 's/-j\s*[0-9][0-9]*//g') 110fi 111 112 113# build binutils 114cd $binutilsObjDir 115CFLAGS="-O2" CXXFLAGS="-O2" $buildToolsDir/binutils/configure \ 116 --prefix=$installDir $buildHostSpec --target=i586-pc-haiku \ 117 --disable-nls --enable-shared=yes --disable-werror || exit 1 118$MAKE $additionalMakeArgs || exit 1 119$MAKE $additionalMakeArgs install || exit 1 120 121PATH=$PATH:$installDir/bin 122export PATH 123 124 125# build gcc 126 127# prepare the include files 128copy_headers() 129{ 130 sourceDir=$1 131 targetDir=$2 132 133 headers="`find $sourceDir -name \*\.h`" 134 headers="`echo $headers | sed -e s@$sourceDir/@@g`" 135 for f in $headers; do 136 headerTargetDir=$targetDir/`dirname $f` 137 mkdir -p $headerTargetDir 138 cp $sourceDir/$f $headerTargetDir 139 done 140} 141 142copy_headers $haikuSourceDir/headers/config $tmpIncludeDir/config 143copy_headers $haikuSourceDir/headers/os $tmpIncludeDir/os 144copy_headers $haikuSourceDir/headers/posix $tmpIncludeDir/posix 145 146# Touch some files generated by bison, so that bison won't run to update them. 147# Fixes issues with newer bison versions. 148# And while at it, touch gperf target, too (as gperf may not be installed) 149(cd $buildToolsDir/gcc/gcc; touch c-parse.c c-parse.h cexp.c cp/parse.c \ 150 cp/parse.h c-gperf.h) 151 152# configure gcc 153cd $gccObjDir 154case `uname` in 155 Darwin) 156 # GCC 2 compiled for x86_64 OS X is broken, compile for i386. 157 export CC="gcc -arch i386" 158 ;; 159esac 160CFLAGS="-O2 -U_FORTIFY_SOURCE" CXXFLAGS="-O2" $buildToolsDir/gcc/configure \ 161 --prefix=$installDir $buildHostSpec --target=i586-pc-haiku \ 162 --disable-nls --enable-shared=yes --enable-languages=c,c++ \ 163 --with-headers=$tmpIncludeDir --with-libs=$tmpLibDir $gccConfigureArgs \ 164 || exit 1 165unset CC 166 167# hack the Makefile to avoid trouble with stuff we don't need anyway 168sedExpr= 169for toRemove in libiberty libio libjava libobjc libstdc++; do 170 sedExpr="$sedExpr -e 's@^\(TARGET_CONFIGDIRS =.*\)$toRemove\(.*\)@\1\2@'" 171done 172echo sedExpr: $sedExpr 173mv Makefile Makefile.bak || exit 1 174eval "sed $sedExpr Makefile.bak > Makefile" || exit 1 175rm Makefile.bak 176 177# make gcc 178$MAKE cross || { 179 echo "ERROR: Building gcc failed." >&2 180 exit 1 181} 182 183# install gcc 184$MAKE install-gcc-cross || { 185 echo "ERROR: Installing the cross compiler failed." >&2 186 exit 1 187} 188 189# Remove the math.h gcc header. It has been generated by fixincludes 190# (unconditional hack: math_huge_val_ifndef) from ours and it is semantically 191# equivalent. 192rm -f $installDir/lib/gcc-lib/i586-pc-haiku/$haikuRequiredLegacyGCCVersion/include/math.h 193 194# Symlink the built-in C++ headers path to the sys-include directory. This is 195# not actually needed for cross compiling Haiku itself, but simplifies using the 196# cross compiler for building the bootstrap packages. 197(cd $installDir/include; ln -s ../i586-pc-haiku/sys-include/c++/2.95.3 g++) 198 199 200# cleanup 201 202# remove the system headers from the installation dir 203# Only the ones from the source tree should be used. 204rm -rf $installDir/i586-pc-haiku/sys-include 205 206# remove the objects dir 207rm -rf $objDir 208 209 210echo "binutils and gcc for cross compilation have been built successfully!" 211