?rev1line? |
?rev2line? |
|
#! /bin/sh
|
|
|
|
# Script to translate LDFLAGS into a form suitable for use with libtool.
|
|
|
|
# Copyright (C) 2005 Free Software Foundation, Inc.
|
|
#
|
|
# This file 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., 51 Franklin Street, Fifth Floor, Boston,
|
|
# MA 02110-1301, USA.
|
|
|
|
# Contributed by CodeSourcery, LLC.
|
|
|
|
# This script is designed to be used from a Makefile that uses libtool
|
|
# to build libraries as follows:
|
|
#
|
|
# LTLDFLAGS = $(shell libtool-ldflags $(LDFLAGS))
|
|
#
|
|
# Then, use (LTLDFLAGS) in place of $(LDFLAGS) in your link line.
|
|
|
|
# The output of the script. This string is built up as we process the
|
|
# arguments.
|
|
result=
|
|
prev_arg=
|
|
|
|
for arg
|
|
do
|
|
case $arg in
|
|
-f*|--*)
|
|
# Libtool does not ascribe any special meaning options
|
|
# that begin with -f or with a double-dash. So, it will
|
|
# think these options are linker options, and prefix them
|
|
# with "-Wl,". Then, the compiler driver will ignore the
|
|
# options. So, we prefix these options with -Xcompiler to
|
|
# make clear to libtool that they are in fact compiler
|
|
# options.
|
|
case $prev_arg in
|
|
-Xpreprocessor|-Xcompiler|-Xlinker)
|
|
# This option is already prefixed; don't prefix it again.
|
|
;;
|
|
*)
|
|
result="$result -Xcompiler"
|
|
;;
|
|
esac
|
|
;;
|
|
*)
|
|
# We do not want to add -Xcompiler to other options because
|
|
# that would prevent libtool itself from recognizing them.
|
|
;;
|
|
esac
|
|
prev_arg=$arg
|
|
|
|
# If $(LDFLAGS) is (say):
|
|
# a "b'c d" e
|
|
# then the user expects that:
|
|
# $(LD) $(LDFLAGS)
|
|
# will pass three arguments to $(LD):
|
|
# 1) a
|
|
# 2) b'c d
|
|
# 3) e
|
|
# We must ensure, therefore, that the arguments are appropriately
|
|
# quoted so that using:
|
|
# libtool --mode=link ... $(LTLDFLAGS)
|
|
# will result in the same number of arguments being passed to
|
|
# libtool. In other words, when this script was invoked, the shell
|
|
# removed one level of quoting, present in $(LDFLAGS); we have to put
|
|
# it back.
|
|
|
|
# Quote any embedded single quotes.
|
|
case $arg in
|
|
*"'"*)
|
|
# The following command creates the script:
|
|
# 1s,^X,,;s|'|'"'"'|g
|
|
# which removes a leading X, and then quotes and embedded single
|
|
# quotes.
|
|
sed_script="1s,^X,,;s|'|'\"'\"'|g"
|
|
# Add a leading "X" so that if $arg starts with a dash,
|
|
# the echo command will not try to interpret the argument
|
|
# as a command-line option.
|
|
arg="X$arg"
|
|
# Generate the quoted string.
|
|
quoted_arg=`echo "$arg" | sed -e "$sed_script"`
|
|
;;
|
|
*)
|
|
quoted_arg=$arg
|
|
;;
|
|
esac
|
|
# Surround the entire argument with single quotes.
|
|
quoted_arg="'"$quoted_arg"'"
|
|
|
|
# Add it to the string.
|
|
result="$result $quoted_arg"
|
|
done
|
|
|
|
# Output the string we have built up.
|
|
echo "$result"
|
