# Indent to avoid propagation to config.sh
verbose=`${cc:-cc} -v -o try try.c 2>&1`
-if echo "$verbose" | grep '^Reading specs from' >/dev/null 2>&1; then
+# XXX TODO: 'specs' output changed from 'Reading specs from' in gcc-[23] to 'Using
+# built-in specs' in gcc-4. Perhaps we should just use the same gcc test as
+# in Configure to see if we're using gcc.
+if echo "$verbose" | egrep '(Reading specs from)|(Using built-in specs)' >/dev/null 2>&1; then
#
# Using gcc.
#
esac
EOCBU
+#
+# If unsetenv is available, use it in conjunction with PERL_USE_SAFE_PUTENV to
+# work around Sun bugid 6333830. Both unsetenv and 6333830 only appear in
+# Solaris 10, so we don't need to probe explicitly for an OS version. We have
+# to append this test to the end of config.over as it needs to run after
+# Configure has probed for unsetenv, and this hints file is processed before
+# that has happened.
+#
+cat >> config.over <<'EOOVER'
+if test "$d_unsetenv" = "$define" -a \
+ `expr "$ccflags" : '.*-D_PERL_USE_SAFE_PUTENV'` -eq 0; then
+ ccflags="$ccflags -DPERL_USE_SAFE_PUTENV"
+fi
+EOOVER
+
rm -f try.c try.o try a.out