On Sun, 31 Jul 2011, Arnaud Lacombe wrote: > Hi, > > On Sun, Jul 31, 2011 at 12:21 PM, Arnaud Lacombe <lacombar@xxxxxxxxx> wrote: > > Hi, > > > > On Sun, Jul 31, 2011 at 11:37 AM, Peter Foley <pefoley2@xxxxxxxxxxx> wrote: > >> commit 7373f4f (kbuild: add implicit rules for parser generation) > >> created a implicit rule chain (%.c: %.c_shipped: %.y). This causes make to delete the _shipped files > >> because it considers them intermediate files. Mark the _shipped files PRECIOUS > >> to prevent make from deleting them. > >> > >> Signed-off-by: Peter Foley <pefoley2@xxxxxxxxxxx> > > What make are you using, and what command triggers the issue ? > > > > Those rules should only be visible on parser regeneration (ie. > > REGENERATE_PARSERS defined). make 3.82 does not seem to trigger the > > issue: > > > > % make -v > > GNU Make 3.82 > > > > % make REGENERATE_PARSERS=y defconfig > > HOSTCC scripts/basic/fixdep > > HOSTCC scripts/kconfig/conf.o > > SHIPPED scripts/kconfig/zconf.tab.c > > SHIPPED scripts/kconfig/zconf.lex.c > > SHIPPED scripts/kconfig/zconf.hash.c > > HOSTCC scripts/kconfig/zconf.tab.o > > HOSTLD scripts/kconfig/conf > > *** Default configuration is based on 'x86_64_defconfig' > > [...] > > > > The shipped file are still there: > > > > % ls scripts/kconfig/*_shipped > > scripts/kconfig/zconf.hash.c_shipped > > scripts/kconfig/zconf.lex.c_shipped > > scripts/kconfig/zconf.tab.c_shipped > > > a bare make-3.81 from ftp.gnu.org built on a Fedora 14 behave the same. > > I definitively needs enlightenment on this one :) > > Thanks, > - Arnaud The problem only appears when the parsers are actually rebuilt. rm scripts/kconfig/*_shipped make REGENERATE_PARSERS=1 defconfig HOSTCC scripts/basic/fixdep HOSTCC scripts/kconfig/conf.o YACC scripts/kconfig/zconf.tab.c_shipped SHIPPED scripts/kconfig/zconf.tab.c LEX scripts/kconfig/zconf.lex.c_shipped SHIPPED scripts/kconfig/zconf.lex.c GPERF scripts/kconfig/zconf.hash.c_shipped SHIPPED scripts/kconfig/zconf.hash.c HOSTCC scripts/kconfig/zconf.tab.o scripts/kconfig/zconf.tab.c: In function 'header_print_comment': scripts/kconfig/confdata.c:551:10: warning: ignoring return value of 'fwrite', declared with attribute warn_unused_result [-Wunused-result] scripts/kconfig/zconf.tab.c: In function 'kconfig_print_comment': scripts/kconfig/confdata.c:467:10: warning: ignoring return value of 'fwrite', declared with attribute warn_unused_result [-Wunused-result] HOSTLD scripts/kconfig/conf *** Default configuration is based on 'x86_64_defconfig' # # configuration written to .config # rm scripts/kconfig/zconf.hash.c_shipped scripts/kconfig/zconf.tab.c_shipped scripts/kconfig/zconf.lex.c_shipped Thanks, Peter
