configure: Check that the cross-compiler that we found actually works.
diff --git a/configure b/configure
index 9b94f09..05a9317 100755
--- a/configure
+++ b/configure
@@ -7054,22 +7054,46 @@
if test "$CROSSCC" != "false"
then
- CROSSTEST_DISABLE=""
- set x $CROSSCC
- shift
- target=""
- while test $# -ge 1
- do
- case "$1" in
- *-gcc) target=`expr "$1" : '\(.*\)-gcc'` ;;
- esac
- shift
- done
- if test -n "$target"
- then
- CROSSTARGET="$target"
+ ac_save_CC="$CC"
+ CC="$CROSSCC"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CROSSCC works" >&5
+$as_echo_n "checking whether $CROSSCC works... " >&6; }
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
- fi
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ set x $CROSSCC
+ shift
+ target=""
+ while test $# -ge 1
+ do
+ case "$1" in
+ *-gcc) target=`expr "$1" : '\(.*\)-gcc'` ;;
+ esac
+ shift
+ done
+ if test -n "$target"
+ then
+ CROSSTEST_DISABLE=""
+ CROSSTARGET="$target"
+
+ fi
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ CC="$ac_save_CC"
fi
fi
