| 1 | #! /dev/null |
| 2 | # Don't call it directly. This shell script fragment is called to |
| 3 | # determine: |
| 4 | # |
| 5 | # 1. libstcxx_incdir: the interface name for libstdc++. |
| 6 | # |
| 7 | |
| 8 | # Get the top level src dir. |
| 9 | if [ -z "${topsrcdir}" -a -z "${top_srcdir}" ] |
| 10 | then |
| 11 | echo "Undefined top level src dir: topsrcdir and top_srcdir are empty" >&2 |
| 12 | exit 1 |
| 13 | fi |
| 14 | |
| 15 | if [ -n "${topsrcdir}" ] |
| 16 | then |
| 17 | if_topsrcdir=${topsrcdir} |
| 18 | else |
| 19 | if_topsrcdir=${top_srcdir} |
| 20 | fi |
| 21 | |
| 22 | # Set libstdcxx_incdir. |
| 23 | # This is the same as gcc/configure.in and libstdc++-v3/acinclude.m4. |
| 24 | if test -z "$gcc_version"; then |
| 25 | if test -z "${gcc_version_trigger}" \ |
| 26 | && test -f ${if_topsrcdir}/gcc/version.c; then |
| 27 | gcc_version_trigger=${if_topsrcdir}/gcc/version.c |
| 28 | fi |
| 29 | if test -f "${gcc_version_trigger}"; then |
| 30 | gcc_version_full=`grep version_string "${gcc_version_trigger}" | sed -e 's/.*"\([^"]*\)".*/\1/'` |
| 31 | else |
| 32 | gcc_version_full=`$CC -v 2>&1 | sed -n 's/^gcc version //p'` |
| 33 | fi |
| 34 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` |
| 35 | fi |
| 36 | libstdcxx_incdir=c++/${gcc_version} |
| 37 | |