BOOST_GOT_VERSION might be "" on new GCCs.
version_is:BOOST_VERSION
]])])
BOOST_GOT_VERSION=`(eval "$ac_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD | $EGREP version_is 2>/dev/null | cut -d ":" -f2`
version_is:BOOST_VERSION
]])])
BOOST_GOT_VERSION=`(eval "$ac_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD | $EGREP version_is 2>/dev/null | cut -d ":" -f2`
- if test "$BOOST_GOT_VERSION" = "BOOST_VERSION"; then
+ if test -z "$BOOST_GOT_VERSION" -o \
+ "$BOOST_GOT_VERSION" = "BOOST_VERSION"; then
AC_MSG_RESULT([no])
AC_MSG_ERROR([Boost development libraries required])
fi
AC_MSG_RESULT([no])
AC_MSG_ERROR([Boost development libraries required])
fi