-./libtool --mode=compile $CC $CFLAGS -c conftest.c 2> /dev/null > /dev/null
-if test ! -s conftest.lo; then
- AC_ERROR([error compiling test module])
-fi
-
-dnl ** link to library
-./libtool --mode=link $CC $CFLAGS $LDFLAGS -rpath /usr/lib conftest.lo -lm -o libconftest.la > /dev/null
-if test ! -s .libs/libconftest.a; then
- AC_ERROR([error, can't even find .a library])
-fi
-
-dnl ** check if dynamic linking worked
-libfile=`grep '^library_names' libconftest.la|$sedpath "s/library_names='\(.*\)'.*/\1/"|$sedpath 's/.* \([[^ ]]*\)$/\1/'`
-if test ! -s .libs/$libfile; then
- AC_MSG_RESULT([no, error linking test module])
+if ! ./libtool --tag=CC --mode=compile $CC $CFLAGS -c conftest.c >/dev/null 2>&1 || \
+ ! ./libtool --tag=CC --mode=link $CC $CFLAGS $LDFLAGS -rpath /usr/lib conftest.lo -lm -o libconftest.la >/dev/null 2>&1; then
+ AC_MSG_RESULT([no, error compiling test module])