Estimated build time: &patch-time-tools; Estimated required disk space: &patch-compsize-tools; &aa-patch-shortdesc; &aa-patch-dep;   Prepare Patch for compilation: CPPFLAGS=-D_GNU_SOURCE ./configure --prefix=/tools The preprocessor flag -D_GNU_SOURCE is only needed on the PowerPC platform. On other architectures you can leave it out. Compile the program: make Then install it and its documentation: make install