annotate gcc/config/print-sysroot-suffix.sh @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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, MULTILIB_MATCHES,
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4 # and MULTILIB_REUSE.
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5
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84e7813d76e9 gcc-8.2
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6 # Copyright (C) 2009-2018 Free Software Foundation, Inc.
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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 # MULTILIB_REUSE
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34 # > t-sysroot-suffix.h
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35
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36 # The four options exactly correspond to the variables of the same
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37 # names defined in the t-sysroot-suffix tmake_file fragment.
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38
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39 # Example:
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40 # sh ./gcc/config/print-sysroot-suffix.sh "a=A" "a b/c/d" ""
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41 # =>
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42 # #undef SYSROOT_SUFFIX_SPEC
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43 # #define SYSROOT_SUFFIX_SPEC "" \
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44 # "%{a:" \
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45 # "%{b:A/b/;" \
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46 # "c:A/c/;" \
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47 # "d:A/d/;" \
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48 # ":A/};" \
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49 # ":}"
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50
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51 # The script uses temporary subscripts in order to permit a recursive
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52 # algorithm without the use of functions.
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53
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54 set -e
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55
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56 dirnames="$1"
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57 options="$2"
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58 matches="$3"
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59 reuse="$4"
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60
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61 cat > print-sysroot-suffix3.sh <<\EOF
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62 #! /bin/sh
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63 # Print all the multilib matches for this option
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64 result="$1"
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65 EOF
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66 for x in $matches; do
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67 l=`echo $x | sed -e 's/=.*$//' -e 's/?/=/g'`
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68 r=`echo $x | sed -e 's/^.*=//' -e 's/?/=/g'`
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69 echo "[ \"\$1\" = \"$l\" ] && result=\"\$result|$r\"" >> print-sysroot-suffix3.sh
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70 done
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71 echo 'echo $result' >> print-sysroot-suffix3.sh
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72 chmod +x print-sysroot-suffix3.sh
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73
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74 cat > print-sysroot-suffix2.sh <<\EOF
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75 #! /bin/sh
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76 # Recursive script to enumerate all multilib combinations, match against
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77 # multilib directories and output a spec string of the result.
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78 # Will fold identical trees.
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79
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80 padding="$1"
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81 optstring="$2"
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82 shift 2
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83 n="\" \\
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84 $padding\""
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85 if [ $# = 0 ]; then
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86 case $optstring in
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87 EOF
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88 for x in $reuse; do
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89 l=`echo $x | sed -e 's/=.*$//' -e 's/\./=/g'`
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90 r=`echo $x | sed -e 's/^.*=//' -e 's/\./=/g'`
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91 echo "/$r/) optstring=\"/$l/\" ;;" >> print-sysroot-suffix2.sh
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92 done
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93 echo " esac" >> print-sysroot-suffix2.sh
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94
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95 pat=
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96 for x in $dirnames; do
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97 p=`echo $x | sed -e 's,=!,/$=/,'`
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98 pat="$pat -e 's=^//$p='"
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99 done
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100 echo ' optstring=`echo "/$optstring" | sed '"$pat\`" >> print-sysroot-suffix2.sh
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101 cat >> print-sysroot-suffix2.sh <<\EOF
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102 case $optstring in
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103 //*)
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104 ;;
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105 *)
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106 echo "$optstring"
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107 ;;
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108 esac
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109 else
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110 thisopt="$1"
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111 shift
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112 bit=
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113 lastcond=
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114 result=
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115 for x in `echo "$thisopt" | sed -e 's,/, ,g'`; do
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116 case $x in
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117 EOF
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118 for x in `echo "$options" | sed -e 's,/, ,g'`; do
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119 match=`./print-sysroot-suffix3.sh "$x"`
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120 echo "$x) optmatch=\"$match\" ;;" >> print-sysroot-suffix2.sh
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121 done
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122 cat >> print-sysroot-suffix2.sh <<\EOF
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123 esac
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124 bit=`"$0" "$padding " "$optstring$x/" "$@"`
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125 if [ -z "$lastopt" ]; then
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126 lastopt="$optmatch"
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127 else
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128 if [ "$lastbit" = "$bit" ]; then
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129 lastopt="$lastopt|$optmatch"
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130 else
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
131 result="$result$lastopt:$lastbit;$n"
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
132 lastopt="$optmatch"
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
133 fi
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134 fi
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
135 lastbit="$bit"
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 done
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 bit=`"$0" "$padding " "$optstring" "$@"`
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 if [ "$bit" = "$lastbit" ]; then
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 if [ -z "$result" ]; then
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 echo "$bit"
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 else
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
142 echo "$n%{$result:$bit}"
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143 fi
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
144 else
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 echo "$n%{$result$lastopt:$lastbit;$n:$bit}"
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
146 fi
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 fi
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
148 EOF
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
149
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 chmod +x ./print-sysroot-suffix2.sh
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 result=`./print-sysroot-suffix2.sh "" "/" $options`
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 echo "#undef SYSROOT_SUFFIX_SPEC"
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 echo "#define SYSROOT_SUFFIX_SPEC \"$result\""
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 rm print-sysroot-suffix2.sh
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 rm print-sysroot-suffix3.sh