34ee3cd512
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de> Acked-by: Patrick Georgi <patrick.georgi@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5427 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
104 lines
2.6 KiB
Bash
104 lines
2.6 KiB
Bash
#!/bin/sh
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#
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# This file is part of the coreboot project.
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#
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# Copyright (C) 2007-2010 coresystems GmbH
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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testcc()
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{
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echo "_start(void) {}" > .$$$$.c
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$1 -nostdlib $2 .$$$$.c -o .$$$$.tmp 2>/dev/null >/dev/null
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ret=$?
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rm -f .$$$$.c .$$$$.tmp
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return $ret
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}
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for make in make gmake gnumake; do
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if [ "`$make --version 2>/dev/null | grep -c GNU`" -gt 0 ]; then
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MAKE=$make
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break
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fi
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done
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GCCPREFIX=invalid
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TMPFILE=`mktemp /tmp/temp.XXXX 2>/dev/null || echo /tmp/temp.78gOIUGz`
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touch $TMPFILE
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# This should be a loop over all supported architectures
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TARCH=i386
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TWIDTH=32
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for gccprefixes in `pwd`/util/crossgcc/xgcc/bin/${TARCH}-elf- ${TARCH}-elf- ""; do
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if ! which ${gccprefixes}as 2>/dev/null >/dev/null; then
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continue
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fi
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rm -f ${TMPFILE}.o
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if ${gccprefixes}as -o ${TMPFILE}.o ${TMPFILE}; then
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TYPE=`${gccprefixes}objdump -p ${TMPFILE}.o`
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if [ ${TYPE##* } == "elf${TWIDTH}-${TARCH}" ]; then
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GCCPREFIX=$gccprefixes
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ASFLAGS=
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CFLAGS=
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LDFLAGS=
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break
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fi
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fi
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if ${gccprefixes}as --32 -o ${TMPFILE}.o ${TMPFILE}; then
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TYPE=`${gccprefixes}objdump -p ${TMPFILE}.o`
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if [ ${TYPE##* } == "elf${TWIDTH}-${TARCH}" ]; then
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GCCPREFIX=$gccprefixes
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ASFLAGS=--32
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CFLAGS="-m32 "
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LDFLAGS="-b elf32-i386"
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break
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fi
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fi
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done
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rm -f $TMPFILE ${TMPFILE}.o
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if [ "$GCCPREFIX" = "invalid" ]; then
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echo '$(error no suitable gcc found)'
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exit 1
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fi
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CC="${GCCPREFIX}gcc"
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testcc "$CC" "$CFLAGS-Wa,--divide " && CFLAGS="$CFLAGS-Wa,--divide "
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testcc "$CC" "$CFLAGS-fno-stack-protector " && CFLAGS="$CFLAGS-fno-stack-protector "
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testcc "$CC" "$CFLAGS-Wl,--build-id=none " && CFLAGS="$CFLAGS-Wl,--build-id=none "
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if which gcc 2>/dev/null >/dev/null; then
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HOSTCC=gcc
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else
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HOSTCC=cc
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fi
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cat << EOF
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# elf${TWIDTH}-${TARCH} toolchain
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AS:=${GCCPREFIX}as ${ASFLAGS}
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CC:=${GCCPREFIX}gcc ${CFLAGS}
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CPP:=${GCCPREFIX}cpp
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AR:=${GCCPREFIX}ar
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LD:=${GCCPREFIX}ld ${LDFLAGS}
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STRIP:=${GCCPREFIX}strip
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NM:=${GCCPREFIX}nm
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OBJCOPY:=${GCCPREFIX}objcopy
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OBJDUMP:=${GCCPREFIX}objdump
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# native toolchain
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HOSTCC:=${HOSTCC}
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EOF
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