Il 14/01/2014 15:47, Richard Henderson ha scritto: >>>> +echo "CONFIG_STAMP=`date +%s`_$$_$RANDOM" >> $config_host_mak >>> >> >>> >> I really really don't like random numbers that make for non-repeatable >>> >> builds. >>> >> It's a quality-assurance nightmare. >> > >> > Can you elaborate this, please? > Build systems like we use at Red Hat want to be able to produce bit-for-bit > identical binaries when given the exact same input. Using random numbers > during the build process prevents that.
I totally agree, but AIUI people wanted the symbol to be something that you couldn't know in advance (e.g. when compiling an out-of-tree module). For some definition of "couldn't" and "in advance". I think we should simply drop the requirement to check a symbol in the modules. Paolo >>> >> and perhaps a file containing that hash created by scripts/make-release. >> > >> > What if the source code is not in a git tree, for example a tarball? > You just quoted my answer to that.
