diff options
| -rw-r--r-- | scripts/Kbuild.include | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 3da8321efb74..6cabf20ce66a 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -59,14 +59,13 @@ kecho := $($(quiet)kecho) # - stdin is piped in from the first prerequisite ($<) so one has # to specify a valid file as first prerequisite (often the kbuild file) define filechk - $(Q)set -e; \ - mkdir -p $(dir $@); \ - { $(filechk_$(1)); } > $@.tmp; \ - if [ -r $@ ] && cmp -s $@ $@.tmp; then \ - rm -f $@.tmp; \ - else \ - $(kecho) ' UPD $@'; \ - mv -f $@.tmp $@; \ + $(Q)set -e; \ + mkdir -p $(dir $@); \ + trap "rm -f $(dot-target).tmp" EXIT; \ + { $(filechk_$(1)); } > $(dot-target).tmp; \ + if [ ! -r $@ ] || ! cmp -s $@ $(dot-target).tmp; then \ + $(kecho) ' UPD $@'; \ + mv -f $(dot-target).tmp $@; \ fi endef |