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Makefile.best_binaries
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Makefile.best_binaries
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#**************************************************************************
#* *
#* OCaml *
#* *
#* Gabriel Scherer, projet Parsifal, INRIA Saclay *
#* *
#* Copyright 2019 Institut National de Recherche en Informatique et *
#* en Automatique. *
#* *
#* All rights reserved. This file is distributed under the terms of *
#* the GNU Lesser General Public License version 2.1, with the *
#* special exception on linking described in the file LICENSE. *
#* *
#**************************************************************************
# This Makefile should be included.
# It expects:
# - Makefile.common to be included as well
# - a ROOTDIR variable pointing to the repository root
# relative to the including Makefile
# It exports definitions of BEST_OCAML{C,OPT,LEX,DEP} commands that
# run to either the bytecode binary built in the repository or the
# native binary, if available. Note that they never use the boot/
# versions: we assume that ocamlc, ocamlopt, etc. have been run first.
# Set this to empty to force use of the bytecode compilers at all times
USE_BEST_BINARIES ?= true
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)
choose_best = $(strip $(if \
$(and $(USE_BEST_BINARIES),$(wildcard $(ROOTDIR)/$1.opt$(EXE)),$(strip \
$(call check_not_stale,$1$(EXE),$1.opt$(EXE)))), \
node --experimental-wasm-memory64 --experimental-wasm-return_call $(ROOTDIR)/$1.opt$(EXE), \
$(OCAMLRUN) $(ROOTDIR)/$1$(EXE)))
BEST_OCAMLC := $(call choose_best,ocamlc)
BEST_OCAMLOPT := $(call choose_best,ocamlopt)
BEST_OCAMLLEX := $(call choose_best,lex/ocamllex)
# We want to be able to compute dependencies even if the bytecode compiler
# is not built yet, using the bootstrap compiler.
# Unlike other tools, there is no risk of mixing incompatible
# bootstrap-compiler and host-compiler object files, as ocamldep only
# produces text output.
BEST_OCAMLDEP := $(strip $(if \
$(and $(USE_BEST_BINARIES),$(wildcard $(ROOTDIR)/ocamlc.opt$(EXE)),$(strip \
$(call check_not_stale,boot/ocamlc,ocamlc.opt$(EXE)))), \
node --experimental-wasm-memory64 --experimental-wasm-return_call $(ROOTDIR)/ocamlc.opt$(EXE) -depend, \
$(BOOT_OCAMLC) -depend))