+ SAVE_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $librrd_ldflags"
+ PKG_CHECK_MODULES([RRD], [librrd >= 1.6.0],
+ [
+ AC_CHECK_LIB([rrd], [rrd_update_r],
+ [librrd_threadsafe="yes"],
+ [:]
+ )
+ AC_CHECK_LIB([rrd], [rrdc_update],
+ [librrd_rrdc_update="yes"],
+ [:]
+ )
+ ],[:]
+ )
+ LDFLAGS="$SAVE_LDFLAGS"