OSDev.org

media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/bin/ranlib libgcov.a
/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/bin/ranlib libgcc.a
# @multilib_flags@ is still needed because this may use
# /media/g/escape-0.4/crossbuild/i586/gcc/./gcc/xgcc -B/media/g/escape-0.4/crossbuild/i586/gcc/./gcc/ -B/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/bin/ -B/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/lib/ -isystem /media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/include -isystem /media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/sys-include and -O2 -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wcast-qual -Wold-style-definition -isystem ./include -fPIC -g -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED directly.
# @multilib_dir@ is not really necessary, but sometimes it has
# more uses than just a directory name.
/bin/sh /media/g/escape-0.4/cross/i586/src/gcc/libgcc/../mkinstalldirs .
/media/g/escape-0.4/crossbuild/i586/gcc/./gcc/xgcc -B/media/g/escape-0.4/crossbuild/i586/gcc/./gcc/ -B/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/bin/ -B/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/lib/ -isystem /media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/include -isystem /media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/sys-include -O2 -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wcast-qual -Wold-style-definition -isystem ./include -fPIC -g -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -shared -Wl,-shared -nodefaultlibs -Wl,--soname=libgcc_s.so.1 -o ./libgcc_s.so.1.tmp -g -O2 -B./ _muldi3_s.o _negdi2_s.o _lshrdi3_s.o _ashldi3_s.o _ashrdi3_s.o _cmpdi2_s.o _ucmpdi2_s.o _clear_cache_s.o _enable_execute_stack_s.o _trampoline_s.o __main_s.o _absvsi2_s.o _absvdi2_s.o _addvsi3_s.o _addvdi3_s.o _subvsi3_s.o _subvdi3_s.o _mulvsi3_s.o _mulvdi3_s.o _negvsi2_s.o _negvdi2_s.o _ctors_s.o _ffssi2_s.o _ffsdi2_s.o _clz_s.o _clzsi2_s.o _clzdi2_s.o _ctzsi2_s.o _ctzdi2_s.o _popcount_tab_s.o _popcountsi2_s.o _popcountdi2_s.o _paritysi2_s.o _paritydi2_s.o _powisf2_s.o _powidf2_s.o _powixf2_s.o _powitf2_s.o _mulsc3_s.o _muldc3_s.o _mulxc3_s.o _multc3_s.o _divsc3_s.o _divdc3_s.o _divxc3_s.o _divtc3_s.o _bswapsi2_s.o _bswapdi2_s.o _fixunssfsi_s.o _fixunsdfsi_s.o _fixunsxfsi_s.o _fixsfdi_s.o _fixdfdi_s.o _fixxfdi_s.o _fixtfdi_s.o _fixunssfdi_s.o _fixunsdfdi_s.o _fixunsxfdi_s.o _fixunstfdi_s.o _floatdisf_s.o _floatdidf_s.o _floatdixf_s.o _floatditf_s.o _floatundisf_s.o _floatundidf_s.o _floatundixf_s.o _floatunditf_s.o _divdi3_s.o _moddi3_s.o _udivdi3_s.o _umoddi3_s.o _udiv_w_sdiv_s.o _udivmoddi4_s.o unwind-dw2_s.o unwind-dw2-fde_s.o unwind-sjlj_s.o gthr-gnat_s.o unwind-c_s.o emutls_s.o -lc && rm -f ./libgcc_s.so && if [ -f ./libgcc_s.so.1 ]; then mv -f ./libgcc_s.so.1 ./libgcc_s.so.1.backup; else true; fi && mv ./libgcc_s.so.1.tmp ./libgcc_s.so.1 && ln -s libgcc_s.so.1 ./libgcc_s.so
/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/lib/crt1S.o: In function `_init':
(.init+0x0): multiple definition of `_init'
/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/lib/crt0S.o:(.init+0x0): first defined here
/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/lib/crt1S.o: In function `_fini':
(.fini+0x0): multiple definition of `_fini'
/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/lib/crt0S.o:(.fini+0x0): first defined here
/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/lib/crtnS.o: In function `_init':
(.init+0x0): multiple definition of `_init'
/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/lib/crt0S.o:(.init+0x0): first defined here
/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/lib/crtnS.o: In function `_fini':
(.fini+0x0): multiple definition of `_fini'
/media/g/escape-0.4/cross/i586/../../toolchain/i586/i586-elf-escape/lib/crt0S.o:(.fini+0x0): first defined here
collect2: ld returned 1 exit status
make[1]: *** [libgcc_s.so] Error 1
make[1]: Leaving directory `/media/g/escape-0.4/crossbuild/i586/gcc/i586-elf-escape/libgcc'
make: *** [all-target-libgcc] Error 2
[root@localhost i586]#

build.sh
---------------
#!/bin/bash
ROOT=`dirname $(readlink -f $0)`
BUILD=$ROOT/../../crossbuild/i586
DIST=$ROOT/../../toolchain/i586
SRC=$ROOT/src
HEADER=$ROOT/../../source/include
LIBC=$ROOT/../../source/lib/c
MAKE_ARGS=-j8
BUILD_BINUTILS=true
BUILD_GCC=true
BUILD_CPP=true

GCCCORE_ARCH=gcc-core-4.4.3.tar.bz2
GCCGPP_ARCH=gcc-g++-4.4.3.tar.bz2
BINUTILS_ARCH=binutils-2.20.tar.bz2
NEWLIB_ARCH=newlib-1.15.0.tar.gz

if [ "$1" == "--rebuild" ] || [ ! -d $DIST ]; then
REBUILD=1
else
REBUILD=0
fi

# setup
export PREFIX=$DIST
export TARGET=i586-elf-escape
mkdir -p $BUILD/gcc $BUILD/binutils $BUILD/newlib
if [ $REBUILD -eq 1 ]; then
if [ -d $SRC ]; then
if $BUILD_BINUTILS && [ -d $BUILD/binutils ]; then
cd $BUILD/binutils
make distclean
rm -Rf $SRC/binutils
fi
if $BUILD_GCC && [ -d $BUILD/gcc ]; then
cd $BUILD/gcc
make distclean
rm -Rf $SRC/gcc
fi
if $BUILD_CPP && [ -d $BUILD/newlib ]; then
cd $BUILD/newlib
make distclean
rm -Rf $SRC/newlib
fi
cd $ROOT
fi
mkdir -p $SRC
fi

# binutils
if $BUILD_BINUTILS; then
if [ $REBUILD -eq 1 ]; then
cat $BINUTILS_ARCH | bunzip2 | tar -C $SRC -xf -
mv $SRC/binutils-2.20 $SRC/binutils
patch -p0 < binutils.diff
fi
cd $BUILD/binutils
if [ $REBUILD -eq 1 ] || [ ! -f $BUILD/binutils/Makefile ]; then
$SRC/binutils/configure --target=$TARGET --prefix=$PREFIX --disable-nls
if [ $? -ne 0 ]; then
exit 1
fi
fi
make $MAKE_ARGS all && make install
if [ $? -ne 0 ]; then
exit 1
fi
cd $ROOT
fi

# gcc
export PATH=$PATH:$PREFIX/bin
if $BUILD_GCC; then
if [ $REBUILD -eq 1 ]; then
cat $GCCCORE_ARCH | bunzip2 | tar -C $SRC -xf -
cat $GCCGPP_ARCH | bunzip2 | tar -C $SRC -xf -
mv $SRC/gcc-4.4.3 $SRC/gcc
patch -p0 < gcc.diff
fi
cd $BUILD/gcc
if [ $REBUILD -eq 1 ] || [ ! -f $BUILD/gcc/Makefile ]; then
$SRC/gcc/configure --target=$TARGET --prefix=$PREFIX --disable-nls \
--enable-languages=c,c++ --with-headers=$HEADER \
--disable-linker-build-id --with-gxx-include-dir=$HEADER/cpp
if [ $? -ne 0 ]; then
exit 1
fi
fi
make $MAKE_ARGS all-gcc && make install-gcc
if [ $? -ne 0 ]; then
exit 1
fi
ln -sf $DIST/bin/$TARGET-gcc $DIST/bin/$TARGET-cc

# libgcc
# first, generate crt*S.o and libc for libgcc_s. Its not necessary to have a full libc (we'll have
# one later). But at least its necessary to provide the correct startup-files
TMPCRT0='tempfile'
TMPCRT1='tempfile'
TMPCRTN='tempfile'
# crt0 can be empty
echo ".section .init" >> $TMPCRT1
echo ".global _init" >> $TMPCRT
echo "_init:" >> $TMPCRT1
echo " push %ebp" >> $TMPCRT1
echo " mov %esp,%ebp" >> $TMPCRT1
echo ".section .fini" >> $TMPCRT1
echo ".global _fini" >> $TMPCRT1
echo "_fini:" >> $TMPCRT1
echo " push %ebp" >> $TMPCRT1
echo " mov %esp,%ebp" >> $TMPCRT1

echo ".section .init" >> $TMPCRTN
echo " leave" >> $TMPCRTN
echo " ret" >> $TMPCRTN
echo ".section .fini" >> $TMPCRTN
echo " leave" >> $TMPCRTN
echo " ret" >> $TMPCRTN

# assemble them
$TARGET-as -defsym SHAREDLIB=1 -o $DIST/$TARGET/lib/crt0S.o $TMPCRT0 || exit 1
$TARGET-as -defsym SHAREDLIB=1 -o $DIST/$TARGET/lib/crt1S.o $TMPCRT1 || exit 1
$TARGET-as -defsym SHAREDLIB=1 -o $DIST/$TARGET/lib/crtnS.o $TMPCRTN || exit 1
# build empty libc
$TARGET-gcc -nodefaultlibs -nostartfiles -shared -Wl,-shared -Wl,-soname,libc.so \
-o $DIST/$TARGET/lib/libc.so $DIST/$TARGET/lib/crt0S.o || exit 1
# cleanup
rm -f $TMPCRT0 $TMPCRT1 $TMPCRTN

# now build libgcc
make $MAKE_ARGS all-target-libgcc && make install-target-libgcc
if [ $? -ne 0 ]; then
exit 1
fi

cd $ROOT
fi

# newlib
if $BUILD_CPP; then
if [ $REBUILD -eq 1 ] || [ ! -d $SRC/newlib ]; then
rm -Rf $SRC/newlib
cat $NEWLIB_ARCH | gunzip | tar -C $SRC -xf -
mv $SRC/newlib-1.15.0 $SRC/newlib
patch -p0 < newlib1.diff
cd $SRC/newlib/newlib/libc/sys
autoconf
cd $ROOT
patch -p0 < newlib2.diff
echo '' > $SRC/newlib/newlib/libc/sys/escape/syscalls.S
cd $SRC/newlib/newlib/libc/sys
autoconf
cd escape
autoreconf
fi

# newlib will create this dir again, so remove it, let newlib put its stuff in there and remove it
# again afterwards & replace it with a symlink to our include
rm -f $DIST/$TARGET/include
cd $BUILD/newlib
if [ $REBUILD -eq 1 ] || [ ! -f Makefile ]; then
rm -Rf $BUILD/newlib/*
$SRC/newlib/configure --target=$TARGET --prefix=$PREFIX
if [ $? -ne 0 ]; then
exit 1
fi
# to prevent problems with makeinfo
echo "MAKEINFO = :" >> $BUILD/newlib/Makefile
fi
make $MAKE_ARGS && make install
if [ $? -ne 0 ]; then
exit 1
fi

# libstdc++
mkdir -p $BUILD/gcc/libstdc++-v3
cd $BUILD/gcc/libstdc++-v3
if [ $REBUILD -eq 1 ] || [ ! -f Makefile ]; then
# pretend that we're using newlib. without it I can't find a way to build libsupc++
CPP=$TARGET-cpp $SRC/gcc/libstdc++-v3/configure --host=$TARGET --prefix=$PREFIX \
--disable-hosted-libstdcxx --disable-nls --with-newlib
if [ $? -ne 0 ]; then
exit 1
fi
fi
cd include
make $MAKE_ARGS && make install
if [ $? -ne 0 ]; then
exit 1
fi
cd ../libsupc++
make $MAKE_ARGS && make install
if [ $? -ne 0 ]; then
exit 1
fi
fi

# create basic symlinks
rm -Rf $DIST/$TARGET/sys-include $DIST/$TARGET/include
ln -sf $ROOT/../../source/include $DIST/$TARGET/sys-include
ln -sf $ROOT/../../source/include $DIST/$TARGET/include

# copy crt* to basic gcc-stuff
cp -f $BUILD/gcc/$TARGET/libgcc/crt*.o $DIST/lib/gcc/$TARGET/4.4.3

# libgcc
# first, generate crt*S.o and libc for libgcc_s. Its not necessary to have a full libc (we'll have
# one later). But at least its necessary to provide the correct startup-files
TMPCRT0='tempfile'
TMPCRT1='tempfile'
TMPCRTN='tempfile'
# crt0 can be empty
echo ".section .init" >> $TMPCRT1
echo ".global _init" >> $TMPCRT
echo "_init:" >> $TMPCRT1
echo " push %ebp" >> $TMPCRT1
echo " mov %esp,%ebp" >> $TMPCRT1
echo ".section .fini" >> $TMPCRT1
echo ".global _fini" >> $TMPCRT1
echo "_fini:" >> $TMPCRT1
echo " push %ebp" >> $TMPCRT1
echo " mov %esp,%ebp" >> $TMPCRT1

echo ".section .init" >> $TMPCRTN
echo " leave" >> $TMPCRTN
echo " ret" >> $TMPCRTN
echo ".section .fini" >> $TMPCRTN
echo " leave" >> $TMPCRTN
echo " ret" >> $TMPCRTN

# assemble them
$TARGET-as -defsym SHAREDLIB=1 -o $DIST/$TARGET/lib/crt0S.o $TMPCRT0 || exit 1
$TARGET-as -defsym SHAREDLIB=1 -o $DIST/$TARGET/lib/crt1S.o $TMPCRT1 || exit 1
$TARGET-as -defsym SHAREDLIB=1 -o $DIST/$TARGET/lib/crtnS.o $TMPCRTN || exit 1
# build empty libc
$TARGET-gcc -nodefaultlibs -nostartfiles -shared -Wl,-shared -Wl,-soname,libc.so \
-o $DIST/$TARGET/lib/libc.so $DIST/$TARGET/lib/crt0S.o || exit 1
# cleanup
rm -f $TMPCRT0 $TMPCRT1 $TMPCRTN

# now build libgcc
make $MAKE_ARGS all-target-libgcc && make install-target-libgcc

hitlar wrote:I can understand, but build escape OS is needed this gcc version, if escape os build by other gcc version then how, otherwise any other site which has related document, if no any then plz guide what changes in crt file then build libgcc smoothly