--- lz4-java-1.3.0/build.xml	2015-07-21 17:13:09.230376711 +0200
+++ lz4-java-1.3.0/build.xml.lz4	2015-07-21 17:09:47.848152386 +0200
@@ -171,14 +171,20 @@
       outfile="${build}/jni/${platform}/${os.arch}/lz4-java"
       outtype="shared">
       <includepath path="${src}/xxhash" />
-      <includepath path="${src}/lz4" />
+      <includepath path="/usr/include" />
       <includepath path="${java.home}/../include" />
       <includepath path="${java.home}/../include/${platform}/" />
       <includepath path="${build}/jni-headers" />
-      <fileset dir="${src}/lz4" includes="lz4.c, lz4hc.c" />
+      <!--fileset dir="${src}/lz4" includes="lz4.c, lz4hc.c" /-->
       <fileset dir="${src}/xxhash" includes="xxhash.c" />
       <fileset dir="${src}/jni" includes="*.c" />
-      <linker />
+      <compilerarg value="-llz4"/>
+      <compilerarg value="-Wall"/>
+      <compilerarg value="-O2"/>
+      <linkerarg value="-O2"/>
+      <linkerarg value="-L${libdir}" />
+      <linkerarg value="-L${build}/objects" />
+      <linkerarg value="-llz4" location="end"/>
     </cpptasks:cc>
   </target>