| 1 | #! /dev/null
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| 2 | # Don't call it directly. This shell script fragment is called to
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| 3 | # determine:
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| 4 | #
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| 5 | # 1. libstcxx_incdir: the interface name for libstdc++.
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| 6 | # 2. libc_interface: the interface name for libc.
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| 7 | #
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| 8 |
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| 9 | # Get the top level src dir.
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| 10 | if [ -z "${topsrcdir}" -a -z "${top_srcdir}" ]
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| 11 | then
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| 12 | echo "Undefined top level src dir: topsrcdir and top_srcdir are empty" >&2
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| 13 | exit 1
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| 14 | fi
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| 15 |
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| 16 | if [ -n "${topsrcdir}" ]
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| 17 | then
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| 18 | if_topsrcdir=${topsrcdir}
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| 19 | else
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| 20 | if_topsrcdir=${top_srcdir}
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| 21 | fi
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| 22 |
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| 23 | # Set libstdcxx_incdir.
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| 24 | # This is the same as gcc/configure.in and libstdc++-v3/acinclude.m4.
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| 25 | gcc_version_trigger=${if_topsrcdir}/gcc/version.c
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| 26 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
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| 27 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
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| 28 | libstdcxx_incdir=c++/${gcc_version}
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| 29 |
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| 30 | # The trickiest part is libc_interface.
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| 31 | if [ -z "${libc_interface}" ]
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| 32 | then
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| 33 | case ${target_os} in
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| 34 | *linux*libc1*|*linux*libc5*)
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| 35 | case ${target_alias} in
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