2 # Don't call it directly. This shell script fragment is called to
5 # 1. libstcxx_interface: the interface name for libstdc++.
6 # 2. cxx_interface: the interface name for c++.
7 # 3. libc_interface: the interface name for libc.
10 # Get the top level src dir.
11 if [ -z "${topsrcdir}" -a -z "${top_srcdir}" ]
13 echo "Undefined top level src dir: topsrcdir and top_srcdir are empty" >&2
17 if [ -n "${topsrcdir}" ]
19 if_topsrcdir=${topsrcdir}
21 if_topsrcdir=${top_srcdir}
24 # We check libstdc++ for libstdcxx_interface.
25 libstdcxx_interface=`grep "^INTERFACE" ${if_topsrcdir}/libstdc++/Makefile.in | sed 's/INTERFACE[ ]*=[ ]*\(.*\)/\1/'`
27 # We check gcc/cp for cxx_interface.
28 cxx_interface=`grep "^INTERFACE" ${if_topsrcdir}/gcc/cp/Makefile.in | sed 's/INTERFACE[ ]*=[ ]*\(.*\)/\1/'`
30 # The trickiest part is libc_interface.
31 if [ -z "${libc_interface}" ]
34 *linux*libc1*|*linux*libc5*)
35 case ${target_alias} in
37 libc_interface=-libc5.9-
40 libc_interface=-libc5-
45 # We have to work harder to figure it out.
46 if [ ${target_alias} = ${build_alias} ]
55 printf("%d\n", __GLIBC_MINOR__);
59 ${CC-cc} $dummy.c -o $dummy 2>/dev/null
62 libc_interface=-libc6.`./$dummy`-
65 # It should never happen.
66 echo "Cannot find the GNU C library minor version number." >&2
71 # Cross compiling. Assume glibc 2.1.
72 libc_interface=-libc6.1-