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nicer style in Makefile.best_binaries

master
Xavier Leroy 2019-08-02 20:22:53 +02:00 committed by Gabriel Scherer
parent 23e2c6e610
commit 3575eb1853
1 changed files with 17 additions and 24 deletions
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41
Makefile.best_binaries
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@ -25,29 +25,22 @@
# native binary, if available. Note that they never use the boot/
# versions: we assume that ocamlc, ocamlopt, etc. have been run first.
define define_best
ifeq "$(wildcard $(ROOTDIR)/$(3))" ""
$(1)=$(CAMLRUN) $(ROOTDIR)/$(2)
else
ifeq "$(shell \
if test $(ROOTDIR)/$(2) -nt $(ROOTDIR)/$(3); \
then echo 'stale'; else echo 'good'; fi)" "stale"
# the double-dollars ensure that the warning is displayed
# only if the conditional fires (by the `eval` call below)
# instead of always being shown as `define_best` is expanded.
$$(info Warning: we are not using the native binary $(3) \
because it is older than the bytecode binary $(2); \
you should silence this warning by either removing $(3) \
or rebuilding it (or `touch`-ing it) if you want it used.)
$(1)=$(CAMLRUN) $(ROOTDIR)/$(2)
else
$(1)=$(ROOTDIR)/$(3)
endif
endif
endef
check_not_stale = \
$(if $(shell test $(ROOTDIR)/$1 -nt $(ROOTDIR)/$2 && echo stale), \
$(info Warning: we are not using the native binary $2 \
because it is older than the bytecode binary $1; \
you should silence this warning by either removing $2 \
or rebuilding it (or `touch`-ing it) if you want it used.), \
ok)
$(eval $(call define_best,BEST_OCAMLC,ocamlc,ocamlc.opt))
$(eval $(call define_best,BEST_OCAMLOPT,ocamlopt,ocamlopt.opt))
$(eval $(call define_best,BEST_OCAMLLEX,lex/ocamllex,lex/ocamllex.opt))
choose_best = $(strip $(if \
$(and $(wildcard $(ROOTDIR)/$1.opt),$(strip \
$(call check_not_stale,$1,$1.opt))), \
$(ROOTDIR)/$1.opt, \
$(CAMLRUN) $(ROOTDIR)/$1))
BEST_OCAMLDEP = $(BEST_OCAMLC) -depend
BEST_OCAMLC := $(call choose_best,ocamlc)
BEST_OCAMLOPT := $(call choose_best,ocamlopt)
BEST_OCAMLLEX := $(call choose_best,lex/ocamllex)
BEST_OCAMLDEP := $(BEST_OCAMLC) -depend