187 lines
5.1 KiB
Bash
Executable File
187 lines
5.1 KiB
Bash
Executable File
#!/bin/sh
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# Parameters <haiku sourcedir> <buildtools dir> <haiku output dir>
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# Influential environmental variable:
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# * haikuRequiredLegacyGCCVersion: The required version of the gcc. Will be
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# checked against the version in the buildtools directory.
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# get and check the parameters
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if [ $# -lt 3 ]; then
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echo Usage: $0 '<haiku sourcedir> <buildtools dir> <haiku output dir>' >&2
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exit 1
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fi
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haikuSourceDir=$1
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buildToolsDir=$2/legacy
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haikuOutputDir=$3
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shift 3
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additionalMakeArgs=$*
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# Note: The gcc 2 build has trouble with -jN N > 1, hence we only use the
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# additional flags for the binutils build. Should there ever be any other
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# flags than -jN, we need to handle this differently.
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if [ ! -d $haikuSourceDir ]; then
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echo "ERROR: No such directory: \"$haikuSourceDir\"" >&2
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exit 1
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fi
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if [ ! -d $buildToolsDir ]; then
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echo "ERROR: No such directory: \"$buildToolsDir\"" >&2
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exit 1
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fi
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# verify or extract the gcc version
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gccVersionDotC="$buildToolsDir/gcc/gcc/version.c"
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if [ -n "$haikuRequiredLegacyGCCVersion" ]; then
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# haikuRequiredLegacyGCCVersion has been specified. Check whether the
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# version of the gcc in the given build tools directory matches.
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if ! grep "$haikuRequiredLegacyGCCVersion" \
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"$gccVersionDotC" >/dev/null 2>&1 ; then
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echo "*** Mismatching compiler versions between configure script and" \
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>&2
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echo "*** $gccVersionDotC" >&2
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echo "*** Did you perhaps update only one of haiku & buildtools?" >&2
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exit 1
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fi
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else
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# haikuRequiredLegacyGCCVersion wasn't specified. Extract the version string
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# from the gcc's version.c.
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haikuRequiredLegacyGCCVersion=`grep "2.95.3-haiku-" "$gccVersionDotC" \
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| sed 's@.*\"\(.*\)\".*@\1@'`
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if [ -z "$haikuRequiredLegacyGCCVersion" ]; then
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echo "ERROR: Failed to extract version string from $gccVersionDotC" >&2
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exit 1
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fi
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fi
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# create the output dir
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mkdir -p $haikuOutputDir || exit 1
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# get absolute paths
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currentDir=`pwd`
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cd $haikuSourceDir
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haikuSourceDir=`pwd`
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cd $currentDir
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cd $buildToolsDir
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buildToolsDir=`pwd`
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cd $currentDir
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cd $haikuOutputDir
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haikuOutputDir=`pwd`
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# create the object and installation directories for the cross compilation tools
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installDir=$haikuOutputDir/cross-tools
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objDir=$haikuOutputDir/cross-tools-build
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binutilsObjDir=$objDir/binutils
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gccObjDir=$objDir/gcc
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tmpIncludeDir=$objDir/sysincludes
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tmpLibDir=$objDir/syslibs
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rm -rf $installDir $objDir
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mkdir -p $installDir $objDir $binutilsObjDir $gccObjDir $tmpIncludeDir \
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$tmpLibDir || exit 1
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mkdir -p $installDir/lib/gcc-lib/i586-pc-haiku/$haikuRequiredLegacyGCCVersion
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# build binutils
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cd $binutilsObjDir
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CFLAGS="-O2" CXXFLAGS="-O2" $buildToolsDir/binutils/configure \
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--prefix=$installDir --target=i586-pc-haiku --disable-nls \
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--enable-shared=yes --disable-werror || exit 1
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make $additionalMakeArgs || exit 1
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make $additionalMakeArgs install || exit 1
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PATH=$PATH:$installDir/bin
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export PATH
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# build gcc
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# prepare the include files
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copy_headers()
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{
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sourceDir=$1
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targetDir=$2
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headers="`find $sourceDir -name \*\.h`"
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headers="`echo $headers | sed -e s@$sourceDir/@@g`"
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for f in $headers; do
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headerTargetDir=$targetDir/`dirname $f`
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mkdir -p $headerTargetDir
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cp $sourceDir/$f $headerTargetDir
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done
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}
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copy_headers $haikuSourceDir/headers/config $tmpIncludeDir/config
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copy_headers $haikuSourceDir/headers/os $tmpIncludeDir/os
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copy_headers $haikuSourceDir/headers/posix $tmpIncludeDir/posix
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# Touch some files generated by bison, so that bison won't run to update them.
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# Fixes issues with newer bison versions.
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# And while at it, touch gperf target, too (as gperf may not be installed)
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(cd $buildToolsDir/gcc/gcc; touch c-parse.c c-parse.h cexp.c cp/parse.c \
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cp/parse.h c-gperf.h)
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# configure gcc
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cd $gccObjDir
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case `uname` in
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Darwin)
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# GCC 2 compiled for x86_64 OS X is broken, compile for i386.
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export CC="gcc -arch i386"
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;;
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esac
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CFLAGS="-O2 -U_FORTIFY_SOURCE" CXXFLAGS="-O2" $buildToolsDir/gcc/configure \
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--prefix=$installDir \
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--target=i586-pc-haiku --disable-nls --enable-shared=yes \
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--enable-languages=c,c++ --with-headers=$tmpIncludeDir \
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--with-libs=$tmpLibDir || exit 1
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unset CC
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# hack the Makefile to avoid trouble with stuff we don't need anyway
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sedExpr=
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for toRemove in libiberty libio libjava libobjc libstdc++; do
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sedExpr="$sedExpr -e 's@^\(TARGET_CONFIGDIRS =.*\)$toRemove\(.*\)@\1\2@'"
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done
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echo sedExpr: $sedExpr
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mv Makefile Makefile.bak || exit 1
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eval "sed $sedExpr Makefile.bak > Makefile" || exit 1
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rm Makefile.bak
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# make gcc
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make cross || {
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echo "ERROR: Building gcc failed." >&2
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exit 1
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}
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# install gcc
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make install-gcc-cross || {
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echo "ERROR: Installing the cross compiler failed." >&2
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exit 1
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}
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# Remove the math.h gcc header. It has been generated by fixincludes
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# (unconditional hack: math_huge_val_ifndef) from ours and it is semantically
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# equivalent.
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rm -f $installDir/lib/gcc-lib/i586-pc-haiku/$haikuRequiredLegacyGCCVersion/include/math.h
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# cleanup
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# remove the system headers from the installation dir
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# Only the ones from the source tree should be used.
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sysIncludeDir=$installDir/i586-pc-haiku/sys-include
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rm -rf $sysIncludeDir/be $sysIncludeDir/posix
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# remove the objects dir
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rm -rf $objDir
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echo "binutils and gcc for cross compilation have been built successfully!"
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