You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
106 lines
3.3 KiB
106 lines
3.3 KiB
#! /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"
|
|
|