14e2277962
while others dislike them being extra commits, let's clean them up once and for all for the existing code. If it's ugly, let it only be ugly once :-) Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5507 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
142 lines
3.9 KiB
Bash
Executable file
142 lines
3.9 KiB
Bash
Executable file
#!/bin/sh
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## This file is part of the libpayload project.
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##
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## Copyright (C) 2008 Advanced Micro Devices, Inc.
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##
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## Redistribution and use in source and binary forms, with or without
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## modification, are permitted provided that the following conditions
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## are met:
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## 1. Redistributions of source code must retain the above copyright
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## notice, this list of conditions and the following disclaimer.
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## 2. Redistributions in binary form must reproduce the above copyright
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## notice, this list of conditions and the following disclaimer in the
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## documentation and/or other materials provided with the distribution.
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## 3. The name of the author may not be used to endorse or promote products
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## derived from this software without specific prior written permission.
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##
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## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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## SUCH DAMAGE.
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# GCC wrapper for libpayload
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# let's not recurse.
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# This is a hack, I know, but it makes sure that really simple user errors
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# don't fork-bomb your machine.
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b=`basename $CC`
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if [ "$b" = "lpgcc" ]; then
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CC=""
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fi
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if [ "$CC" != "" ]; then
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DEFAULT_CC=$CC
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else
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DEFAULT_CC=gcc
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fi
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BASE=`dirname $0`
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# This will set the _LIBDIR and _INCDIR variables used below
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. $BASE/lp.functions
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# include libpayload config
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. $BASE/../libpayload.config
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_LDSCRIPT="-Wl,-T,$_LIBDIR/libpayload.ldscript"
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trygccoption() {
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$DEFAULT_CC $1 -S -xc /dev/null -o .$$.tmp &> /dev/null
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RET=$?
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rm -f .$$.tmp
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return $RET
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}
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DEBUGME=0
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DOLINK=1
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# This variable will contain the command line that the user wants to
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# pass to gas
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CMDLINE=
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# Process various flags that would change our behavior
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while [ $# -gt 0 ]; do
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case $1 in
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-m32|-fno-stack-protector)
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shift
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continue
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;;
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-m64)
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error "Invalid option --64 - only 32 bit architectures are supported"
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;;
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-c)
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DOLINK=0
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;;
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-debug-wrapper)
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DEBUGME=1
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shift
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continue
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;;
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-Wl,-T,*)
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_LDSCRIPT="$1"
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shift
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continue
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;;
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*)
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;;
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esac
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CMDLINE="$CMDLINE $1"
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shift
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done
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if [ "$CONFIG_TARGET_I386" = "y" ]; then
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_ARCHINCDIR=$_INCDIR/i386
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_ARCHLIBDIR=$_LIBDIR/i386
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fi
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if [ "$CONFIG_TARGET_POWERPC" = "y" ]; then
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_ARCHINCDIR=$_INCDIR/powerpc
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_ARCHLIBDIR=$_LIBDIR/powerpc
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fi
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_CFLAGS="-m32 -nostdinc -nostdlib -I$_INCDIR -I$_ARCHINCDIR"
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# Check for the -fno-stack-protector silliness
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trygccoption -fno-stack-protector
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[ $? -eq 0 ] && _CFLAGS="$_CFLAGS -fno-stack-protector"
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_CFLAGS="$_CFLAGS -I`$DEFAULT_CC -m32 -print-search-dirs | head -n 1 | cut -d' ' -f2`include"
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_LDFLAGS="$_LDSCRIPT -static"
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if [ $DOLINK -eq 0 ]; then
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if [ $DEBUGME -eq 1 ]; then
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echo "$DEFAULT_CC $_CFLAGS $CMDLINE"
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fi
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$DEFAULT_CC $_CFLAGS $CMDLINE
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else
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_LIBGCC=`$DEFAULT_CC -m32 -print-libgcc-file-name`
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if [ $DEBUGME -eq 1 ]; then
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echo "$DEFAULT_CC $_CFLAGS $_LDFLAGS $_ARCHLIBDIR/head.o $CMDLINE $_LIBDIR/libpayload.a $_LIBGCC"
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fi
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# Note: $_ARCHLIBDIR/head.o must be the first object being linked, because it
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# contains a Multiboot header. The Multiboot standard requires this
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# header to be placed below 0x2000 in the resulting image. See:
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# http://www.gnu.org/software/grub/manual/multiboot/html_node/OS-image-format.html
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$DEFAULT_CC $_CFLAGS $_LDFLAGS $_ARCHLIBDIR/head.o $CMDLINE $_LIBDIR/libpayload.a $_LIBGCC
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fi
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