That didn't work as it picked up pcs again: make $STARLINK_DIR/manifests/ast cd applications/htx \ && (make && make install) >make.log 2>make.log.err || { cat make.log.err; false; } cd libraries/sla \ && (make && make install) >make.log 2>make.log.err || { cat make.log.err; false; } cd libraries/pcs \ && (make && make install) >make.log 2>make.log.err || { cat make.log.err; false; } hdspar.c:56:76: error: ast.h: No such file or directory make[3]: *** [hdspar.lo] Error 1 make[2]: *** [all-recursive] Error 1 make[1]: *** [all] Error 2 make: *** [/scuba2/software/star/manifests/pcs] Error 1 but just going into the ast directory and building there did the trick. Andy On Fri, 4 Feb 2011, Tim Jenness wrote: > So David added an ast dependency to PCS without updating the configure.ac > > you can work around it by doing > > make $STARLINK_DIR/manifests/ast > > and then continuing with the make world.