diff options
Diffstat (limited to 'config.if')
| -rw-r--r-- | config.if | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/config.if b/config.if new file mode 100644 index 000000000..2655bc3b5 --- /dev/null +++ b/config.if @@ -0,0 +1,37 @@ +#! /dev/null +# Don't call it directly. This shell script fragment is called to +# determine: +# +# 1. libstcxx_incdir: the interface name for libstdc++. +# + +# Get the top level src dir. +if [ -z "${topsrcdir}" -a -z "${top_srcdir}" ] +then + echo "Undefined top level src dir: topsrcdir and top_srcdir are empty" >&2 + exit 1 +fi + +if [ -n "${topsrcdir}" ] +then + if_topsrcdir=${topsrcdir} +else + if_topsrcdir=${top_srcdir} +fi + +# Set libstdcxx_incdir. +# This is the same as gcc/configure.in and libstdc++-v3/acinclude.m4. +if test -z "$gcc_version"; then + if test -z "${gcc_version_trigger}" \ + && test -f ${if_topsrcdir}/gcc/version.c; then + gcc_version_trigger=${if_topsrcdir}/gcc/version.c + fi + if test -f "${gcc_version_trigger}"; then + gcc_version_full=`grep version_string "${gcc_version_trigger}" | sed -e 's/.*"\([^"]*\)".*/\1/'` + else + gcc_version_full=`$CC -v 2>&1 | sed -n 's/^gcc version //p'` + fi + gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` +fi +libstdcxx_incdir=c++/${gcc_version} + |