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#!/bin/bash
# 2009 (C) Copyright Industrie Dial Face S.p.A.
# Luigi 'Comio' Mantellini <luigi.mantellini@idf-hit.com>
#
# Based on original idea from WindRiver
#
# Toolchain wrapper script.
#
# This script allows us to use a small number of GCC / binutils cross-tools
# (one toolchain per instruction set architecture) to implement a larger
# number of processor- or board-specific tools. The wrapper script is
# configured at install time with information covering basic CFLAGS,
# LD options and the toolchain triplet name.
#
PROGNAME=$0
REALNAME=`readlink -f $0`
REALNAME_BASE=`basename $REALNAME`
REALNAME_DIR=`dirname $REALNAME`
TARGET_FUNDAMENTAL_ASFLAGS=''
TARGET_FUNDAMENTAL_CFLAGS=''
TARGET_ROOTFS_CFLAGS=''
TARGET_FUNDAMENTAL_LDFLAGS=''
TARGET_TOOLCHAIN_TRIPLET=${REALNAME_BASE%-*}
# Parse our tool name, splitting it at '-' characters.
BINARY=${PROGNAME##*-}
# Parse our tool name, splitting it at '-' characters.
IFS=- read TOOLCHAIN_ARCH TOOLCHAIN_BUILDROOT TOOLCHAIN_OS TOOLCHAIN_PLATFORM PROGNAME << EOF
$REALNAME_BASE
EOF
#
# We add the directory this was executed from to the PATH
# The toolchains (links) should be in this directory or in the users
# PATH.
#
TOOLCHAIN_BIN_DIR="$REALNAME_DIR/"
# Set the PATH so that our run-time location is first
# (get_feature is run from the path, so this has to be set)
export PATH="$TOOLCHAIN_BIN_DIR":$PATH
export GCC_HONOUR_COPTS
TOOLCHAIN_SYSROOT="$TOOLCHAIN_BIN_DIR/../.."
if [ ! -d "$TOOLCHAIN_SYSROOT" ]; then
echo "Error: Unable to determine sysroot (looking for $TOOLCHAIN_SYSROOT)!" >&2
exit 1
fi
# -Wl,--dynamic-linker=$TOOLCHAIN_SYSROOT/lib/ld-uClibc.so.0
# --dynamic-linker=$TOOLCHAIN_SYSROOT/lib/ld-uClibc.so.0
case $TOOLCHAIN_PLATFORM in
gnu|glibc|eglibc)
GCC_SYSROOT_FLAGS="--sysroot=$TOOLCHAIN_SYSROOT -Wl,-rpath=$TOOLCHAIN_SYSROOT/lib:$TOOLCHAIN_SYSROOT/usr/lib"
LD_SYSROOT_FLAGS="-rpath=$TOOLCHAIN_SYSROOT/lib:$TOOLCHAIN_SYSROOT/usr/lib"
;;
uclibc)
GCC_SYSROOT_FLAGS="--sysroot=$TOOLCHAIN_SYSROOT -Wl,-rpath=$TOOLCHAIN_SYSROOT/lib:$TOOLCHAIN_SYSROOT/usr/lib"
LD_SYSROOT_FLAGS="-rpath=$TOOLCHAIN_SYSROOT/lib:$TOOLCHAIN_SYSROOT/usr/lib"
;;
musl)
GCC_SYSROOT_FLAGS="--sysroot=$TOOLCHAIN_SYSROOT -Wl,-rpath=$TOOLCHAIN_SYSROOT/lib:$TOOLCHAIN_SYSROOT/usr/lib"
LD_SYSROOT_FLAGS="-rpath=$TOOLCHAIN_SYSROOT/lib:$TOOLCHAIN_SYSROOT/usr/lib"
;;
*)
GCC_SYSROOT_FLAGS=""
LD_SYSROOT_FLAGS=""
;;
esac
#
# Run the cross-tool.
#
case $BINARY in
cc|gcc|g++|c++|cpp)
exec $TARGET_TOOLCHAIN_TRIPLET-$BINARY.bin $GCC_SYSROOT_FLAGS $TARGET_FUNDAMENTAL_CFLAGS $TARGET_ROOTFS_CFLAGS "$@"
;;
ld)
exec $TARGET_TOOLCHAIN_TRIPLET-$BINARY.bin $LD_SYSROOT_FLAGS $TARGET_FUNDAMENTAL_LDFLAGS "$@"
;;
as)
exec $TARGET_TOOLCHAIN_TRIPLET-$BINARY.bin $TARGET_FUNDAMENTAL_ASFLAGS "$@"
;;
*)
exec $TARGET_TOOLCHAIN_TRIPLET-$BINARY.bin "$@"
;;
esac
exit 0
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