#! /dev/null
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#! /dev/null
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# Don't call it directly. This shell script fragment is called to
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# Don't call it directly. This shell script fragment is called to
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# determine:
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# determine:
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#
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#
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# 1. libstcxx_interface: the interface name for libstdc++.
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# 1. libstcxx_interface: the interface name for libstdc++.
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# 2. cxx_interface: the interface name for c++.
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# 2. cxx_interface: the interface name for c++.
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# 3. libc_interface: the interface name for libc.
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# 3. libc_interface: the interface name for libc.
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#
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#
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|
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# Get the top level src dir.
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# Get the top level src dir.
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if [ -z "${topsrcdir}" -a -z "${top_srcdir}" ]
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if [ -z "${topsrcdir}" -a -z "${top_srcdir}" ]
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then
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then
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echo "Undefined top level src dir: topsrcdir and top_srcdir are empty" >&2
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echo "Undefined top level src dir: topsrcdir and top_srcdir are empty" >&2
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exit 1
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exit 1
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fi
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fi
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|
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if [ -n "${topsrcdir}" ]
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if [ -n "${topsrcdir}" ]
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then
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then
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if_topsrcdir=${topsrcdir}
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if_topsrcdir=${topsrcdir}
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else
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else
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if_topsrcdir=${top_srcdir}
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if_topsrcdir=${top_srcdir}
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fi
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fi
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|
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if [ "${enable_libstdcxx_v3}" = "yes" ] ; then
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if [ "${enable_libstdcxx_v3}" = "yes" ] ; then
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libstdcxx_srcdir=${if_topsrcdir}/libstdc++-v3
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libstdcxx_srcdir=${if_topsrcdir}/libstdc++-v3
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else
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else
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libstdcxx_srcdir=${if_topsrcdir}/libstdc++
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libstdcxx_srcdir=${if_topsrcdir}/libstdc++
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fi
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fi
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|
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if [ -f ${libstdcxx_srcdir}/Makefile.in ]; then
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if [ -f ${libstdcxx_srcdir}/Makefile.in ]; then
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# We check libstdc++ for libstdcxx_interface.
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# We check libstdc++ for libstdcxx_interface.
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libstdcxx_interface=`grep "^INTERFACE" ${libstdcxx_srcdir}/Makefile.in | sed 's/INTERFACE[ ]*=[ ]*\(.*\)/\1/'`
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libstdcxx_interface=`grep "^INTERFACE" ${libstdcxx_srcdir}/Makefile.in | sed 's/INTERFACE[ ]*=[ ]*\(.*\)/\1/'`
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else
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else
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libstdcxx_interface=
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libstdcxx_interface=
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fi
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fi
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|
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if [ -f ${if_topsrcdir}/gcc/cp/Makefile.in ]; then
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if [ -f ${if_topsrcdir}/gcc/cp/Makefile.in ]; then
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# We check gcc/cp for cxx_interface.
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# We check gcc/cp for cxx_interface.
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cxx_interface=`grep "^INTERFACE" ${if_topsrcdir}/gcc/cp/Makefile.in | sed 's/INTERFACE[ ]*=[ ]*\(.*\)/\1/'`
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cxx_interface=`grep "^INTERFACE" ${if_topsrcdir}/gcc/cp/Makefile.in | sed 's/INTERFACE[ ]*=[ ]*\(.*\)/\1/'`
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else
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else
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cxx_interface=
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cxx_interface=
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fi
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fi
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|
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# The trickiest part is libc_interface.
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# The trickiest part is libc_interface.
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if [ -z "${libc_interface}" ]
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if [ -z "${libc_interface}" ]
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then
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then
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case ${target_os} in
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case ${target_os} in
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*linux*libc1*|*linux*libc5*)
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*linux*libc1*|*linux*libc5*)
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case ${target_alias} in
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case ${target_alias} in
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*alpha*|*powerpc*)
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*alpha*|*powerpc*)
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libc_interface=-libc5.9-
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libc_interface=-libc5.9-
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;;
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;;
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*)
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*)
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libc_interface=-libc5-
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libc_interface=-libc5-
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;;
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;;
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esac
|
esac
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;;
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;;
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*linux*gnu*)
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*linux*gnu*)
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# We have to work harder to figure it out.
|
# We have to work harder to figure it out.
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if [ ${target_alias} = ${build_alias} ]
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if [ ${target_alias} = ${build_alias} ]
|
then
|
then
|
dummy=if$$
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dummy=if$$
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cat >$dummy.c <
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cat >$dummy.c <
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#include
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#include
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main(argc, argv)
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main(argc, argv)
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int argc;
|
int argc;
|
char *argv[];
|
char *argv[];
|
{
|
{
|
printf("%d\n", __GLIBC_MINOR__);
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printf("%d\n", __GLIBC_MINOR__);
|
return 0;
|
return 0;
|
}
|
}
|
EOF
|
EOF
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${CC-cc} $dummy.c -o $dummy 2>/dev/null
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${CC-cc} $dummy.c -o $dummy 2>/dev/null
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if [ "$?" = 0 ]
|
if [ "$?" = 0 ]
|
then
|
then
|
libc_interface=-libc6.`./$dummy`-
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libc_interface=-libc6.`./$dummy`-
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rm -f $dummy.c $dummy
|
rm -f $dummy.c $dummy
|
else
|
else
|
# It should never happen.
|
# It should never happen.
|
echo "Cannot find the GNU C library minor version number." >&2
|
echo "Cannot find the GNU C library minor version number." >&2
|
rm -f $dummy.c $dummy
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rm -f $dummy.c $dummy
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exit 1
|
exit 1
|
fi
|
fi
|
else
|
else
|
# Cross compiling. Assume glibc 2.2.
|
# Cross compiling. Assume glibc 2.2.
|
libc_interface=-libc6.2-
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libc_interface=-libc6.2-
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fi
|
fi
|
;;
|
;;
|
*)
|
*)
|
libc_interface=-
|
libc_interface=-
|
;;
|
;;
|
esac
|
esac
|
fi
|
fi
|
|
|
