| 1 | # hints/netbsd.sh
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| 2 | #
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| 3 | # Please check with [email protected] before making modifications
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| 4 | # to this file.
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| 5 |
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| 6 | case "$archname" in
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| 7 | '')
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| 8 | archname=`uname -m`-${osname}
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| 9 | ;;
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| 10 | esac
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| 11 |
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| 12 | # NetBSD keeps dynamic loading dl*() functions in /usr/lib/crt0.o,
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| 13 | # so Configure doesn't find them (unless you abandon the nm scan).
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| 14 | # Also, NetBSD 0.9a was the first release to introduce shared
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| 15 | # libraries.
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| 16 | #
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| 17 | case "$osvers" in
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| 18 | 0.9|0.8*)
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| 19 | usedl="$undef"
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| 20 | ;;
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| 21 | *)
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| 22 | case `uname -m` in
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| 23 | pmax)
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| 24 | # NetBSD 1.3 and 1.3.1 on pmax shipped an `old' ld.so,
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| 25 | # which will not work.
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| 26 | case "$osvers" in
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| 27 | 1.3|1.3.1)
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| 28 | d_dlopen=$undef
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| 29 | ;;
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| 30 | esac
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| 31 | ;;
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| 32 | esac
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| 33 | if test -f /usr/libexec/ld.elf_so; then
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| 34 | # ELF
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| 35 | d_dlopen=$define
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| 36 | d_dlerror=$define
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| 37 | cccdlflags="-DPIC -fPIC $cccdlflags"
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| 38 | lddlflags="--whole-archive -shared $lddlflags"
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| 39 | rpathflag="-Wl,-rpath,"
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| 40 | case "$osvers" in
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| 41 | 1.[0-5]*)
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| 42 | #
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| 43 | # Include the whole libgcc.a into the perl executable
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| 44 | # so that certain symbols needed by loadable modules
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| 45 | # built as C++ objects (__eh_alloc, __pure_virtual,
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| 46 | # etc.) will always be defined.
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| 47 | #
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| 48 | ccdlflags="-Wl,-whole-archive -lgcc \
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| 49 | -Wl,-no-whole-archive -Wl,-E $ccdlflags"
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| 50 | ;;
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| 51 | *)
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| 52 | ccdlflags="-Wl,-E $ccdlflags"
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| 53 | ;;
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| 54 | esac
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| 55 | elif test -f /usr/libexec/ld.so; then
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| 56 | # a.out
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| 57 | d_dlopen=$define
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| 58 | d_dlerror=$define
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| 59 | cccdlflags="-DPIC -fPIC $cccdlflags"
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| 60 | lddlflags="-Bshareable $lddlflags"
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| 61 | rpathflag="-R"
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| 62 | else
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| 63 | d_dlopen=$undef
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| 64 | rpathflag=
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| 65 | fi
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| 66 | ;;
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| 67 | esac
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| 68 |
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| 69 | # netbsd had these but they don't really work as advertised, in the
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| 70 | # versions listed below. if they are defined, then there isn't a
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| 71 | # way to make perl call setuid() or setgid(). if they aren't, then
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| 72 | # ($<, $>) = ($u, $u); will work (same for $(/$)). this is because
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| 73 | # you can not change the real userid of a process under 4.4BSD.
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| 74 | # netbsd fixed this in 1.3.2.
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| 75 | case "$osvers" in
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| 76 | 0.9*|1.[012]*|1.3|1.3.1)
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| 77 | d_setregid="$undef"
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| 78 | d_setreuid="$undef"
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| 79 | ;;
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| 80 | esac
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| 81 |
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| 82 | # These are obsolete in any netbsd.
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| 83 | d_setrgid="$undef"
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| 84 | d_setruid="$undef"
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| 85 |
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| 86 | # there's no problem with vfork.
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| 87 | usevfork=true
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| 88 |
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| 89 | # This is there but in machine/ieeefp_h.
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| 90 | ieeefp_h="define"
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| 91 |
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| 92 | # This script UU/usethreads.cbu will get 'called-back' by Configure
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| 93 | # after it has prompted the user for whether to use threads.
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| 94 | cat > UU/usethreads.cbu <<'EOCBU'
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| 95 | case "$usethreads" in
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| 96 | $define|true|[yY]*)
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| 97 | lpthread=
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| 98 | for xxx in pthread; do
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| 99 | for yyy in $loclibpth $plibpth $glibpth dummy; do
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| 100 | zzz=$yyy/lib$xxx.a
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| 101 | if test -f "$zzz"; then
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| 102 | lpthread=$xxx
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| 103 | break;
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| 104 | fi
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| 105 | zzz=$yyy/lib$xxx.so
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| 106 | if test -f "$zzz"; then
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| 107 | lpthread=$xxx
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| 108 | break;
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| 109 | fi
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| 110 | zzz=`ls $yyy/lib$xxx.so.* 2>/dev/null`
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| 111 | if test "X$zzz" != X; then
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| 112 | lpthread=$xxx
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| 113 | break;
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| 114 | fi
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| 115 | done
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| 116 | if test "X$lpthread" != X; then
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| 117 | break;
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| 118 | fi
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| 119 | done
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| 120 | if test "X$lpthread" != X; then
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| 121 | # Add -lpthread.
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| 122 | libswanted="$libswanted $lpthread"
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| 123 | # There is no libc_r as of NetBSD 1.5.2, so no c -> c_r.
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| 124 | # This will be revisited when NetBSD gains a native pthreads
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| 125 | # implementation.
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| 126 | else
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| 127 | echo "$0: No POSIX threads library (-lpthread) found. " \
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| 128 | "You may want to install GNU pth. Aborting." >&4
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| 129 | exit 1
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| 130 | fi
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| 131 | unset lpthread
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| 132 | ;;
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| 133 | esac
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| 134 | EOCBU
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| 135 |
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| 136 | # Set sensible defaults for NetBSD: look for local software in
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| 137 | # /usr/pkg (NetBSD Packages Collection) and in /usr/local.
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| 138 | #
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| 139 | loclibpth="/usr/pkg/lib /usr/local/lib"
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| 140 | locincpth="/usr/pkg/include /usr/local/include"
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| 141 | case "$rpathflag" in
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| 142 | '')
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| 143 | ldflags=
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| 144 | ;;
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| 145 | *)
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| 146 | ldflags=
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| 147 | for yyy in $loclibpth; do
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| 148 | ldflags="$ldflags $rpathflag$yyy"
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| 149 | done
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| 150 | ;;
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| 151 | esac
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| 152 |
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| 153 | case `uname -m` in
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| 154 | alpha)
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| 155 | echo 'int main() {}' > try.c
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| 156 | gcc=`${cc:-cc} -v -c try.c 2>&1|grep 'gcc version egcs-2'`
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| 157 | case "$gcc" in
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| 158 | '' | "gcc version egcs-2.95."[3-9]*) ;; # 2.95.3 or better okay
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| 159 | *) cat >&4 <<EOF
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| 160 | ***
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| 161 | *** Your gcc ($gcc) is known to be
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| 162 | *** too buggy on netbsd/alpha to compile Perl with optimization.
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| 163 | *** It is suggested you install the lang/gcc package which should
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| 164 | *** have at least gcc 2.95.3 which should work okay: use for example
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| 165 | *** Configure -Dcc=/usr/pkg/gcc-2.95.3/bin/cc. You could also
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| 166 | *** Configure -Doptimize=-O0 to compile Perl without any optimization
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| 167 | *** but that is not recommended.
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| 168 | ***
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| 169 | EOF
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| 170 | exit 1
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| 171 | ;;
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| 172 | esac
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| 173 | rm -f try.*
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| 174 | ;;
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| 175 | esac
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| 176 |
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| 177 | # NetBSD/sparc 1.5.3/1.6.1 dumps core in the semid_ds test of Configure.
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| 178 | case `uname -m` in
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| 179 | sparc) d_semctl_semid_ds=undef ;;
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| 180 | esac
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| 181 |
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