diff options
Diffstat (limited to 'rules.mak')
| -rw-r--r-- | rules.mak | 48 |
1 files changed, 0 insertions, 48 deletions
@@ -375,53 +375,5 @@ define unnest-vars $(eval $v := $(filter-out %/,$($v)))) endef -TEXI2MAN = $(call quiet-command, \ - perl -Ww -- $(SRC_PATH)/scripts/texi2pod.pl $(TEXI2PODFLAGS) $< $@.pod && \ - $(POD2MAN) --section=$(subst .,,$(suffix $@)) --center=" " --release=" " $@.pod > $@, \ - "GEN","$@") - -%.1: - $(call TEXI2MAN) -%.7: - $(call TEXI2MAN) -%.8: - $(call TEXI2MAN) - -# Support for building multiple output files by atomically executing -# a single rule which depends on several input files (so the rule -# will be executed exactly once, not once per output file, and -# not multiple times in parallel.) For more explanation see: -# https://www.cmcrossroads.com/article/atomic-rules-gnu-make - -# Given a space-separated list of filenames, create the name of -# a 'sentinel' file to use to indicate that they have been built. -# We use fixed text on the end to avoid accidentally triggering -# automatic pattern rules, and . on the start to make the file -# not show up in ls output. -sentinel = .$(subst $(SPACE),_,$(subst /,_,$1)).sentinel. - -# Define an atomic rule that builds multiple outputs from multiple inputs. -# To use: -# $(call atomic,out1 out2 ...,in1 in2 ...) -# <TAB>rule to do the operation -# -# Make 4.3 will have native support for this, and you would be able -# to instead write: -# out1 out2 ... &: in1 in2 ... -# <TAB>rule to do the operation -# -# The way this works is that it creates a make rule -# "out1 out2 ... : sentinel-file ; @:" which says that the sentinel -# depends on the dependencies, and the rule to do that is "do nothing". -# Then we have a rule -# "sentinel-file : in1 in2 ..." -# whose commands start with "touch sentinel-file" and then continue -# with the rule text provided by the user of this 'atomic' function. -# The foreach... is there to delete the sentinel file if any of the -# output files don't exist, so that we correctly rebuild in that situation. -atomic = $(eval $1: $(call sentinel,$1) ; @:) \ - $(call sentinel,$1) : $2 ; @touch $$@ \ - $(foreach t,$1,$(if $(wildcard $t),,$(shell rm -f $(call sentinel,$1)))) - print-%: @echo '$*=$($*)' |