Hi Max, this looks all good to me now :)
Best regards Christoph > -----Original Message----- > From: build-dev <build-dev-boun...@openjdk.java.net> On Behalf Of > Weijun Wang > Sent: Freitag, 31. Mai 2019 05:01 > To: Erik Joelsson <erik.joels...@oracle.com> > Cc: security-dev@openjdk.java.net; build-dev <build- > d...@openjdk.java.net> > Subject: Re: RFR 8193255: Root Certificates should be stored in text format > and assembled at build time > > New webrev at > > https://cr.openjdk.java.net/~weijun/8193255/webrev.01 > > Changes: > > 1. Textual info at the beginning of each cert > > 2. Makefile: indentation, BUILD_TOOLS_JDK, MakeTargetDir, files instead of > dir > > Thanks, > Max > > > On May 31, 2019, at 1:34 AM, Erik Joelsson <erik.joels...@oracle.com> > wrote: > > > > On 2019-05-30 08:32, Weijun Wang wrote: > >> > >>> On May 30, 2019, at 10:01 PM, Erik Joelsson <erik.joels...@oracle.com> > wrote: > >>> > >>> In my experience, using directories for dependencies in make does not > work well. Since all the files in make/data/cacerts are in a flat structure, I > would recommend expressing the prerequisites as: > >>> > >>> $(wildcard $(GENDATA_CACERTS_SRC)/*) > >>> > >>> This will not cover the case where a file is removed, but that case is > rarely handled well in make based build systems. > >> But in my experiment, using the directory name does detect the file > removal. > > > > It believe that worked well on your machine, but directory timestamp > updates are file system dependent. I'm not sure we can count on all > filesystems to accurately reflect time stamps based on file modification. It's > also possible that an OS would touch directory timestamps for other reasons, > which should not affect the build. I haven't tried having source directories > as > prerequisites before, so I simply don't know how reliable it is. My experience > is rather with directories as targets, which certainly doesn't work. If you > verified that it worked as expected on all supported OSes, I would be less > worried. > > > >> Or, can I list *both* the files and the directory to get maximum > awareness? > > > > The directory modification time will usually not change when a file in it is > modified, only when adding or removing files (and possibly some other > operations), so adding the files is certainly a must. If you go with both, > then I > would just be worried about potential false positives. > > > > /Erik > >