{stdenv, fetchurl}: stdenv.mkDerivation { name = "judy-1.0.5"; src = fetchurl { url = mirror://sourceforge/judy/Judy-1.0.5.tar.gz; sha256 = "1sv3990vsx8hrza1mvq3bhvv9m6ff08y4yz7swn6znszz24l0w6j"; }; # gcc 4.8 optimisations break judy. # http://sourceforge.net/p/judy/mailman/message/31995144/ preConfigure = stdenv.lib.optionalString stdenv.cc.isGNU '' configureFlagsArray+=("CFLAGS=-fno-strict-aliasing -fno-aggressive-loop-optimizations") ''; meta = { homepage = http://judy.sourceforge.net/; license = stdenv.lib.licenses.lgpl21Plus; description = "State-of-the-art C library that implements a sparse dynamic array"; }; }