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Diffstat (limited to 'contrib/gcc/genmultilib')
| -rw-r--r-- | contrib/gcc/genmultilib | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/contrib/gcc/genmultilib b/contrib/gcc/genmultilib deleted file mode 100644 index 02206960400f..000000000000 --- a/contrib/gcc/genmultilib +++ /dev/null @@ -1,269 +0,0 @@ -#!/bin/sh -# Generates multilib.h. -# Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc. - -#This file is part of GNU CC. - -#GNU CC 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, or (at your option) -#any later version. - -#GNU CC 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 GNU CC; see the file COPYING. If not, write to -#the Free Software Foundation, 59 Temple Place - Suite 330, -#Boston, MA 02111-1307, USA. - -# This shell script produces a header file which the gcc driver -# program uses to pick which library to use based on the machine -# specific options that it is given. - -# The first argument is a list of sets of options. The elements in -# the list are separated by spaces. Within an element, the options -# are separated by slashes. No leading dash is used on the options. -# Each option in a set is mutually incompatible with all other options -# in the set. - -# The optional second argument is a list of subdirectory names. If -# the second argument is non-empty, there must be as many elements in -# the second argument as there are options in the first argument. The -# elements in the second list are separated by spaces. If the second -# argument is empty, the option names will be used as the directory -# names. - -# The optional third argument is a list of options which are -# identical. The elements in the list are separated by spaces. Each -# element must be of the form OPTION=OPTION. The first OPTION should -# appear in the first argument, and the second should be a synonym for -# it. Question marks are replaced with equal signs in both options. - -# The optional fourth argument is a list of multilib directory -# combinations that should not be built. - -# The optional fifth argument is a list of options that should be -# used whenever building multilib libraries. - -# The output looks like -# #define MULTILIB_MATCHES "\ -# SUBDIRECTORY OPTIONS;\ -# ... -# " -# The SUBDIRECTORY is the subdirectory to use. The OPTIONS are -# multiple options separated by spaces. Each option may start with an -# exclamation point. gcc will consider each line in turn. If none of -# the options beginning with an exclamation point are present, and all -# of the other options are present, that subdirectory will be used. -# The order of the subdirectories is such that they can be created in -# order; that is, a subdirectory is preceded by all its parents. - -# Here is a example (this is simplified from the actual 680x0 case): -# genmultilib "m68000/m68020 msoft-float" "m68000 m68020 msoft-float" -# "m68000=mc68000" -# This produces: -# ". !m68000 !mc68000 !m68020 !msoft-float;", -# "m68000 m68000 !m68020 !msoft-float;", -# "m68000 mc60000 !m68020 !msoft-float;", -# "m68020 !m68000 !mc68000 m68020 !msoft-float;", -# "msoft-float !m68000 !mc68000 !m68020 msoft-float;", -# "m68000/msoft-float m68000 !m68020 msoft-float;", -# "m68000/msoft-float mc68000 !m68020 msoft-float;", -# "m68020/msoft-float !m68000 !mc68000 m68020 msoft-float;", -# -# The effect is that `gcc -msoft-float' (for example) will append -# msoft-float to the directory name when searching for libraries or -# startup files, and `gcc -m68000 -msoft-float' (for example) will -# append m68000/msoft-float. - -# Copy the positional parameters into variables. -options=$1 -dirnames=$2 -matches=$3 -exceptions=$4 -extra=$5 - -echo "static char *multilib_raw[] = {" - -# What we want to do is select all combinations of the sets in -# options. Each combination which includes a set of mutually -# exclusive options must then be output multiple times, once for each -# item in the set. Selecting combinations is a recursive process. -# Since not all versions of sh support functions, we achieve recursion -# by creating a temporary shell script which invokes itself. -rm -f tmpmultilib -cat >tmpmultilib <<\EOF -#!/bin/sh -# This recursive script basically outputs all combinations of its -# input arguments, handling mutually exclusive sets of options by -# repetition. When the script is called, ${initial} is the list of -# options which should appear before all combinations this will -# output. The output looks like a list of subdirectory names with -# leading and trailing slashes. -if [ "$#" != "0" ]; then - first=$1 - shift - for opt in `echo $first | sed -e 's|/| |'g`; do - echo ${initial}${opt}/ - done - ./tmpmultilib $@ - for opt in `echo $first | sed -e 's|/| |'g`; do - initial="${initial}${opt}/" ./tmpmultilib $@ - done -fi -EOF -chmod +x tmpmultilib - -combinations=`initial=/ ./tmpmultilib ${options}` - -rm -f tmpmultilib - -# If there exceptions, weed them out now -if [ -n "${exceptions}" ]; then - rm -f tmpmultilib2 - cat >tmpmultilib2 <<\EOF -#!/bin/sh -# This recursive script weeds out any combination of multilib -# switches that should not be generated. The output looks like -# a list of subdirectory names with leading and trailing slashes. - - for opt in $@; do - case "$opt" in -EOF - - for except in ${exceptions}; do - echo " /${except}/) : ;;" >> tmpmultilib2 - done - -cat >>tmpmultilib2 <<\EOF - *) echo ${opt};; - esac - done -EOF - chmod +x tmpmultilib2 - combinations=`./tmpmultilib2 ${combinations}` - rm -f ./tmpmultilib2 -fi - -# Construct a sed pattern which will convert option names to directory -# names. -todirnames= -if [ -n "${dirnames}" ]; then - set x ${dirnames} - shift - for set in ${options}; do - for opt in `echo ${set} | sed -e 's|/| |'g`; do - if [ "$1" != "${opt}" ]; then - todirnames="${todirnames} -e s|/${opt}/|/${1}/|g" - fi - shift - done - done -fi - -# We need another recursive shell script to correctly handle positive -# matches. If we are invoked as -# genmultilib "opt1 opt2" "" "opt1=nopt1 opt2=nopt2" -# we must output -# opt1/opt2 opt1 opt2 -# opt1/opt2 nopt1 opt2 -# opt1/opt2 opt1 nopt2 -# opt1/opt2 nopt1 nopt2 -# In other words, we must output all combinations of matches. -rm -f tmpmultilib2 -cat >tmpmultilib2 <<\EOF -#!/bin/sh -# The positional parameters are a list of matches to consider. -# ${dirout} is the directory name and ${optout} is the current list of -# options. -if [ "$#" = "0" ]; then - echo "\"${dirout} ${optout};\"," -else - first=$1 - shift - dirout="${dirout}" optout="${optout}" ./tmpmultilib2 $@ - l=`echo ${first} | sed -e 's/=.*$//' -e 's/?/=/g'` - r=`echo ${first} | sed -e 's/^.*=//' -e 's/?/=/g'` - if expr " ${optout} " : ".* ${l} .*" > /dev/null; then - newopt=`echo " ${optout} " | sed -e "s/ ${l} / ${r} /" -e 's/^ //' -e 's/ $//'` - dirout="${dirout}" optout="${newopt}" ./tmpmultilib2 $@ - fi -fi -EOF -chmod +x tmpmultilib2 - -# Start with the current directory, which includes only negations. -optout= -for set in ${options}; do - for opt in `echo ${set} | sed -e 's|/| |'g`; do - optout="${optout} !${opt}" - done -done -optout=`echo ${optout} | sed -e 's/^ //'` -echo "\". ${optout};\"," - -# Work over the list of combinations. We have to translate each one -# to use the directory names rather than the option names, we have to -# include the information in matches, and we have to generate the -# correct list of options and negations. -for combo in ${combinations}; do - # Use the directory names rather than the option names. - if [ -n "${todirnames}" ]; then - dirout=`echo ${combo} | sed ${todirnames}` - else - dirout=${combo} - fi - # Remove the leading and trailing slashes. - dirout=`echo ${dirout} | sed -e 's|^/||' -e 's|/$||g'` - - # Look through the options. We must output each option that is - # present, and negate each option that is not present. - optout= - for set in ${options}; do - setopts=`echo ${set} | sed -e 's|/| |g'` - for opt in ${setopts}; do - if expr "${combo} " : ".*/${opt}/.*" > /dev/null; then - optout="${optout} ${opt}" - else - optout="${optout} !${opt}" - fi - done - done - optout=`echo ${optout} | sed -e 's/^ //'` - - # Output the line with all appropriate matches. - dirout="${dirout}" optout="${optout}" ./tmpmultilib2 -done - -# Terminate the list of string. -echo "NULL" -echo "};" - -# Output all of the matches now as option and that is the same as that, with -# a semicolon trailer. Include all of the normal options as well. -# Note, the format of the matches is reversed compared -# to what we want, so switch them around. -echo "" -echo "static char *multilib_matches_raw[] = {" -for match in ${matches}; do - l=`echo ${match} | sed -e 's/=.*$//' -e 's/?/=/g'` - r=`echo ${match} | sed -e 's/^.*=//' -e 's/?/=/g'` - echo "\"${r} ${l};\"," -done -for set in ${options}; do - for opt in `echo ${set} | sed -e 's|/| |'g`; do - echo "\"${opt} ${opt};\"," - done -done -echo "NULL" -echo "};" - -# Output the default options now -echo "" -echo "static char *multilib_extra = \"${extra}\";" -rm -f tmpmultilib2 - -exit 0 |