ext-toolchain.sh: - use GCC's own idea of the target name (-dumpmachine) - display...

SVN-Revision: 29769

diff --git a/scripts/ext-toolchain.sh b/scripts/ext-toolchain.sh
index de5d676bd572e576db1e3b0a4b8413941cd16f47..7283bf9cc0cceaead9f62d7c126e8f31fdfaa309 100755 (executable)
--- a/scripts/ext-toolchain.sh
+++ b/scripts/ext-toolchain.sh
@@ -1,6 +1,23 @@
 #!/usr/bin/env bash
-# Script to copy a toolchain from given source to given
-# destination directory.
+#
+#   Script for various external toolchain tasks, refer to
+#   the --help output for more information.
+#
+#   Copyright (C) 2012 Jo-Philipp Wich <jow@openwrt.org>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program; if not, write to the Free Software
+#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 CC=""
 CXX=""
@@ -289,21 +306,6 @@ probe_libc() {
 while [ -n "$1" ]; do
        arg="$1"; shift
        case "$arg" in
-               -l|--libs)
-                       [ -n "$1" ] || {
-                               echo "No library given, specify one of:"$(echo "$LIB_SPECS" | sed -ne 's#:.*$##p') >&1
-                               exit 1
-                       }
-                       FINDLIB="$1"; shift
-               ;;
-               -b|--bins)
-                       [ -n "$1" ] || {
-                               echo "No binary given, specify one of:"$(echo "$BIN_SPECS" | sed -ne 's#:.*$##p') >&1
-                               exit 1
-                       }
-                       FINDBIN="$1"; shift
-               ;;
-
                --toolchain)
                        [ -d "$1" ] || {
                                echo "Toolchain directory '$1' does not exist." >&2
@@ -328,9 +330,7 @@ while [ -n "$1" ]; do
 
                --print-target)
                        if probe_cc; then
-                               CC="${CC##*/}"
-                               echo "${CC%-*}"
-                               exit 0
+                               exec "$CC" $CFLAGS -dumpmachine
                        fi
                        echo "No C compiler found in '$TOOLCHAIN'." >&2
                        exit 1
@@ -407,4 +407,4 @@ while [ -n "$1" ]; do
        esac
 done
 
-exit 0
+exec $0 --help