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. 9if [ -z "${topsrcdir}" -a -z "${top_srcdir}" ] 10then 11 echo "Undefined top level src dir: topsrcdir and top_srcdir are empty" >&2 12 exit 1 13fi 14 15if [ -n "${topsrcdir}" ] 16then 17 if_topsrcdir=${topsrcdir} 18else 19 if_topsrcdir=${top_srcdir} 20fi 21 22# Set libstdcxx_incdir. 23# This is the same as gcc/configure.in and libstdc++-v3/acinclude.m4. 24if test -z "$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/'` 35fi 36libstdcxx_incdir=c++/${gcc_version} 37 38