-SR_LIB_VERSION="$SR_LIB_VERSION_CURRENT:$SR_LIB_VERSION_REVISION:$SR_LIB_VERSION_AGE"
-SR_LIB_LDFLAGS="-version-info $SR_LIB_VERSION"
-AC_SUBST(SR_LIB_VERSION_CURRENT)
-AC_SUBST(SR_LIB_VERSION_REVISION)
-AC_SUBST(SR_LIB_VERSION_AGE)
-AC_SUBST(SR_LIB_VERSION)
-AC_SUBST(SR_LIB_LDFLAGS)
+
+AC_SUBST([SR_LIB_VERSION], ["$SR_LIB_VERSION_CURRENT:$SR_LIB_VERSION_REVISION:$SR_LIB_VERSION_AGE"])
+AC_SUBST([SR_LIB_LDFLAGS], ["-version-info $SR_LIB_VERSION"])
+
+AC_DEFINE_UNQUOTED([SR_LIB_VERSION_CURRENT], [$SR_LIB_VERSION_CURRENT], [.])
+AC_DEFINE_UNQUOTED([SR_LIB_VERSION_REVISION], [$SR_LIB_VERSION_REVISION], [.])
+AC_DEFINE_UNQUOTED([SR_LIB_VERSION_AGE], [$SR_LIB_VERSION_AGE], [.])
+AC_DEFINE_UNQUOTED([SR_LIB_VERSION_STRING], ["$SR_LIB_VERSION"], [.])