# Determine the target- and build-specific subdirectories
- # Prefix 'build-' so this never conflicts with target_subdir.
+
+# post-stage1 host modules use a different CC_FOR_BUILD so, in order to
+# have matching libraries, they should use host libraries: Makefile.tpl
+# arranges to pass --with-build-libsubdir=$(HOST_SUBDIR).
+# However, they still use the build modules, because the corresponding
+# host modules (e.g. bison) are only built for the host when bootstrap
+# finishes. So:
+# - build_subdir is where we find build modules, and never changes.
+# - build_libsubdir is where we find build libraries, and can be overridden.
+
+# Prefix 'build-' so this never conflicts with target_subdir.
build_subdir="build-${build_noncanonical}"
# Check whether --with-build-libsubdir or --without-build-libsubdir was given.
else
ac_prog_version=`$MAKEINFO --version 2>&1 |
sed -n 's/^.*GNU texinfo.* \([0-9][0-9.]*\).*$/\1/p'`
- echo "configure:7644: version of makeinfo is $ac_prog_version" >&5
+ echo "configure:7654: version of makeinfo is $ac_prog_version" >&5
case $ac_prog_version in
'') gcc_cv_prog_makeinfo_modern=no;;
4.[4-9]*)