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131
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1 #! /bin/sh
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2 # Script to generate SYSROOT_SUFFIX_SPEC equivalent to MULTILIB_OSDIRNAMES
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3 # Arguments are MULTILIB_OSDIRNAMES, MULTILIB_OPTIONS and MULTILIB_MATCHES.
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4
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145
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5 # Copyright (C) 2018-2020 Free Software Foundation, Inc.
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131
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6 # Contributed by C-SKY Microsystems and Mentor Graphics.
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7
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8 # This file is part of GCC.
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9
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10 # GCC is free software; you can redistribute it and/or modify it under
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11 # the terms of the GNU General Public License as published by the Free
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12 # Software Foundation; either version 3, or (at your option) any later
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13 # version.
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14
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15 # GCC is distributed in the hope that it will be useful, but WITHOUT
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16 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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18 # for more details.
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19
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20 # You should have received a copy of the GNU General Public License
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21 # along with GCC; see the file COPYING3. If not see
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22 # <http://www.gnu.org/licenses/>.
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23
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24 # This shell script produces a header file fragment that defines
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25 # SYSROOT_SUFFIX_SPEC. It assumes that the sysroots will have the same
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26 # structure and names used by the multilibs.
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27
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28 # Invocation:
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29 # print-sysroot-suffix.sh \
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30 # MULTILIB_OSDIRNAMES \
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31 # MULTILIB_OPTIONS \
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32 # MULTILIB_MATCHES \
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33 # > t-sysroot-suffix.h
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34
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35 # The three options exactly correspond to the variables of the same
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36 # names defined in the tmake_file fragments.
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37
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38 # Example:
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39 # sh ./gcc/config/print-sysroot-suffix.sh "a=A" "a b/c/d" ""
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40 # =>
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41 # #undef SYSROOT_SUFFIX_SPEC
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42 # #define SYSROOT_SUFFIX_SPEC "" \
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43 # "%{a:" \
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44 # "%{b:A/b/;" \
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45 # "c:A/c/;" \
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46 # "d:A/d/;" \
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47 # ":A/};" \
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48 # ":}"
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49
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50 # The script uses temporary subscripts in order to permit a recursive
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51 # algorithm without the use of functions.
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52
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53 set -e
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54
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55 dirnames="$1"
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56 options="$2"
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57 matches="$3"
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58
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59 cat > print-sysroot-suffix3.sh <<\EOF
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60 #! /bin/sh
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61 # Print all the multilib matches for this option
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62 result="$1"
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63 EOF
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64 for x in $matches; do
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65 l=`echo $x | sed -e 's/=.*$//' -e 's/?/=/g'`
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66 r=`echo $x | sed -e 's/^.*=//' -e 's/?/=/g'`
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67 echo "[ \"\$1\" = \"$l\" ] && result=\"\$result|$r\"" >> print-sysroot-suffix3.sh
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68 done
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69 echo 'echo $result' >> print-sysroot-suffix3.sh
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70 chmod +x print-sysroot-suffix3.sh
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71
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72 cat > print-sysroot-suffix2.sh <<\EOF
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73 #! /bin/sh
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74 # Recursive script to enumerate all multilib combinations, match against
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75 # multilib directories and output a spec string of the result.
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76 # Will fold identical trees.
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77
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78 padding="$1"
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79 optstring="$2"
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80 shift 2
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81 n="\" \\
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82 $padding\""
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83 if [ $# = 0 ]; then
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84 EOF
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85
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86 pat=
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87 for x in $dirnames; do
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88 # p=`echo $x | sed -e 's,=!,/$=/,'`
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89 p=`echo $x | sed -e 's/=//g'`
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90 # pat="$pat -e 's=^//$p='"
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91 pat="$pat -e 's/$p/g'"
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92 done
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93 echo ' optstring=`echo "/$optstring" | sed '"$pat\`" >> print-sysroot-suffix2.sh
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94 cat >> print-sysroot-suffix2.sh <<\EOF
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95 case $optstring in
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96 //*)
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97 ;;
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98 *)
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99 echo "$optstring"
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100 ;;
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101 esac
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102 else
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103 thisopt="$1"
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104 shift
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105 bit=
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106 lastcond=
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107 result=
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108 for x in `echo "$thisopt" | sed -e 's,/, ,g'`; do
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109 case $x in
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110 EOF
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111 for x in `echo "$options" | sed -e 's,/, ,g'`; do
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112 match=`./print-sysroot-suffix3.sh "$x"`
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113 echo "$x) optmatch=\"$match\" ;;" >> print-sysroot-suffix2.sh
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114 done
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115 cat >> print-sysroot-suffix2.sh <<\EOF
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116 esac
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117 bit=`"$0" "$padding " "$optstring$x/" "$@"`
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118 if [ -z "$lastopt" ]; then
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119 lastopt="$optmatch"
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120 else
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121 if [ "$lastbit" = "$bit" ]; then
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122 lastopt="$lastopt|$optmatch"
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123 else
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124 result="$result$lastopt:$lastbit;$n"
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125 lastopt="$optmatch"
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126 fi
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127 fi
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128 lastbit="$bit"
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129 done
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130 bit=`"$0" "$padding " "$optstring" "$@"`
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131 if [ "$bit" = "$lastbit" ]; then
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132 if [ -z "$result" ]; then
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133 echo "$bit"
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134 else
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135 echo "$n%{$result:$bit}"
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136 fi
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137 else
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138 echo "$n%{$result$lastopt:$lastbit;$n:$bit}"
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139 fi
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140 fi
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141 EOF
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142 chmod +x ./print-sysroot-suffix2.sh
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143 result=`./print-sysroot-suffix2.sh \"\" \"\" $options`
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144 echo "#undef SYSROOT_SUFFIX_SPEC"
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145 echo "#define SYSROOT_SUFFIX_SPEC \"$result\""
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146 rm print-sysroot-suffix2.sh
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147 rm print-sysroot-suffix3.sh
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