Mercurial > cpython-lru_cache-weakref

annotate Misc/python-config.sh.in @ 87690:66c1c9f32567 default tip

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Add use_weakref option to functools.lru_cache The use_weakref option makes lru_cache create weak references to the function arguments when creating the cache key, which prevents them from staying in the memory forever even after all other references to them are gone. This is a proof of concept for http://bugs.python.org/issue19859
author Radomir Dopieralski <devel@sheep.art.pl>
date Tue, 03 Dec 2013 16:02:48 +0100
parents 7b165c7ab7ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/bin/sh
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2
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3 # Keep this script in sync with python-config.in
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4
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5 exit_with_usage ()
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6 {
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7 echo "Usage: $0 --prefix|--exec-prefix|--includes|--libs|--cflags|--ldflags|--extension-suffix|--help|--abiflags|--configdir"
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8 exit $1
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9 }
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10
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11 if [ "$1" = "" ] ; then
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12 exit_with_usage 1
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13 fi
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14
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15 # Returns the actual prefix where this script was installed to.
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16 installed_prefix ()
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17 {
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18 RESULT=$(dirname $(cd $(dirname "$1") && pwd -P))
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19 if which readlink >/dev/null 2>&1 ; then
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20 if readlink -f "$RESULT" >/dev/null 2>&1; then
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21 RESULT=$(readlink -f "$RESULT")
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22 fi
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23 fi
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24 echo $RESULT
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25 }
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26
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27 prefix_build="@prefix@"
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28 prefix_real=$(installed_prefix "$0")
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29
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30 # Use sed to fix paths from their built-to locations to their installed-to
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31 # locations.
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32 prefix=$(echo "$prefix_build" | sed "s#$prefix_build#$prefix_real#")
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33 exec_prefix_build="@exec_prefix@"
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34 exec_prefix=$(echo "$exec_prefix_build" | sed "s#$exec_prefix_build#$prefix_real#")
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35 includedir=$(echo "@includedir@" | sed "s#$prefix_build#$prefix_real#")
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36 libdir=$(echo "@libdir@" | sed "s#$prefix_build#$prefix_real#")
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37 CFLAGS=$(echo "@CFLAGS@" | sed "s#$prefix_build#$prefix_real#")
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38 VERSION="@VERSION@"
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39 LIBM="@LIBM@"
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40 LIBC="@LIBC@"
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41 SYSLIBS="$LIBM $LIBC"
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42 ABIFLAGS="@ABIFLAGS@"
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43 LIBS="@LIBS@ $SYSLIBS -lpython${VERSION}${ABIFLAGS}"
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44 BASECFLAGS="@BASECFLAGS@"
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45 LDLIBRARY="@LDLIBRARY@"
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46 LINKFORSHARED="@LINKFORSHARED@"
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47 OPT="@OPT@"
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48 PY_ENABLE_SHARED="@PY_ENABLE_SHARED@"
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49 LDVERSION="@LDVERSION@"
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50 LIBDEST=${prefix}/lib/python${VERSION}
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51 LIBPL=$(echo "@LIBPL@" | sed "s#$prefix_build#$prefix_real#")
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52 SO="@SO@"
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53 PYTHONFRAMEWORK="@PYTHONFRAMEWORK@"
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54 INCDIR="-I$includedir/python${VERSION}${ABIFLAGS}"
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55 PLATINCDIR="-I$includedir/python${VERSION}${ABIFLAGS}"
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56
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57 # Scan for --help or unknown argument.
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58 for ARG in $*
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59 do
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60 case $ARG in
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61 --help)
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62 exit_with_usage 0
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63 ;;
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64 --prefix|--exec-prefix|--includes|--libs|--cflags|--ldflags|--extension-suffix|--abiflags|--configdir)
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65 ;;
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66 *)
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67 exit_with_usage 1
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68 ;;
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69 esac
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70 done
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71
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72 for ARG in "$@"
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73 do
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74 case "$ARG" in
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75 --prefix)
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76 echo "$prefix"
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77 ;;
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78 --exec-prefix)
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79 echo "$exec_prefix"
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80 ;;
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81 --includes)
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82 echo "$INCDIR $PLATINCDIR"
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83 ;;
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84 --cflags)
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85 echo "$INCDIR $PLATINCDIR $BASECFLAGS $CFLAGS $OPT"
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86 ;;
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87 --libs)
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88 echo "$LIBS"
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89 ;;
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90 --ldflags)
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91 LINKFORSHAREDUSED=
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92 if [ -z "$PYTHONFRAMEWORK" ] ; then
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93 LINKFORSHAREDUSED=$LINKFORSHARED
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94 fi
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95 LIBPLUSED=
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96 if [ "$PY_ENABLE_SHARED" = "0" ] ; then
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97 LIBPLUSED="-L$LIBPL"
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98 fi
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99 echo "$LIBPLUSED -L$libdir $LIBS $LINKFORSHAREDUSED"
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100 ;;
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101 --extension-suffix)
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102 echo "$SO"
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103 ;;
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104 --abiflags)
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105 echo "$ABIFLAGS"
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106 ;;
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107 --configdir)
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108 echo "$LIBPL"
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109 ;;
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110 esac
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111 done