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#**************************************************************************
#* *
#* OCaml *
#* *
#* Gabriel Scherer, projet Parsifal, INRIA Saclay *
#* *
#* Copyright 2018 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 contains common definitions and rules shared by
# other Makefiles
include $(ROOTDIR)/Makefile.config_if_required
# %(DEPDIR) must be kept in sync with entries in .gitignore
DEPDIR=.dep
D=d
MKDIR=mkdir -p
# $(EMPTY) is defined in Makefile.config, but may not have been loaded
EMPTY :=
# $(SPACE) contains a single space
SPACE := $(EMPTY) $(EMPTY)
DESTDIR ?=
INSTALL_BINDIR := $(DESTDIR)$(BINDIR)
INSTALL_LIBDIR := $(DESTDIR)$(LIBDIR)
INSTALL_INCDIR=$(INSTALL_LIBDIR)/caml
INSTALL_STUBLIBDIR := $(DESTDIR)$(STUBLIBDIR)
INSTALL_MANDIR := $(DESTDIR)$(MANDIR)
INSTALL_PROGRAMS_MAN_DIR := $(DESTDIR)$(PROGRAMS_MAN_DIR)
INSTALL_LIBRARIES_MAN_DIR := $(DESTDIR)$(LIBRARIES_MAN_DIR)
INSTALL_DOCDIR := $(DESTDIR)$(DOCDIR)
FLEXDLL_SUBMODULE_PRESENT := $(wildcard $(ROOTDIR)/flexdll/Makefile)
IN_COREBOOT_CYCLE ?= false
# Variables used to represent the OCaml runtime system
# Most of the time, boot/ocamlrun and runtime/ocamlrun are the same.
# However, under some circumstances it is important to be able to
# distinguish one from the other, hence these two variables.
# Boot/ocamlrun is the most frequently used in the build system, so
# we use OCAMLRUN to designate it and keep NEW_OCAMLRUN to refer
# to runtime/ocamlrun, because it's less frequently used.
OCAMLRUN ?= $(ROOTDIR)/boot/ocamlrun$(EXE)
NEW_OCAMLRUN ?= $(ROOTDIR)/runtime/ocamlrun$(EXE)
# Standard library flags
STDLIBFLAGS ?= -nostdlib -I $(ROOTDIR)/stdlib
BOOT_STDLIBFLAGS ?= -nostdlib -I $(ROOTDIR)/boot
TEST_BOOT_OCAMLC_OPT = $(shell \
test $(ROOTDIR)/boot/ocamlc.opt -nt $(ROOTDIR)/boot/ocamlc; \
echo $$?)
# Use boot/ocamlc.opt if available
ifeq "$(TEST_BOOT_OCAMLC_OPT)" "0"
BOOT_OCAMLC = $(ROOTDIR)/boot/ocamlc.opt
else
BOOT_OCAMLC = $(OCAMLRUN) $(ROOTDIR)/boot/ocamlc
endif
BOOT_OCAMLDEP = $(BOOT_OCAMLC) -depend
ifeq "$(BOOTSTRAPPING_FLEXDLL)" "false"
FLEXLINK_ENV =
CAMLOPT_CMD = $(CAMLOPT)
OCAMLOPT_CMD = $(OCAMLOPT)
MKLIB_CMD = $(MKLIB)
ocamlc_cmd = $(ocamlc)
ocamlopt_cmd = $(ocamlopt)
else
ifeq "$(wildcard $(ROOTDIR)/flexlink.opt$(EXE))" ""
FLEXLINK_ENV = \
OCAML_FLEXLINK="$(ROOTDIR)/boot/ocamlrun$(EXE) \
$(ROOTDIR)/boot/flexlink.byte$(EXE)"
else
FLEXLINK_ENV = \
OCAML_FLEXLINK="$(ROOTDIR)/flexlink.opt$(EXE) -I $(ROOTDIR)/stdlib/flexdll"
endif # ifeq "$(wildcard $(ROOTDIR)/flexlink.opt$(EXE))" ""
CAMLOPT_CMD = $(FLEXLINK_ENV) $(CAMLOPT)
OCAMLOPT_CMD = $(FLEXLINK_ENV) $(OCAMLOPT)
MKLIB_CMD = $(FLEXLINK_ENV) $(MKLIB)
ocamlc_cmd = $(FLEXLINK_ENV) $(ocamlc)
ocamlopt_cmd = $(FLEXLINK_ENV) $(ocamlopt)
endif # ifeq "$(BOOTSTRAPPING_FLEXDLL)" "false"
# List of other libraries
ALL_OTHERLIBS = dynlink str systhreads unix runtime_events
# The following variable defines flags to be passed to the C preprocessor
# when compiling C files for the native runtime.
# These flags should be passed *in addition* to those in OC_CPPFLAGS, they
# should not repace them.
OC_NATIVE_CPPFLAGS=\
-DNATIVE_CODE -DTARGET_$(ARCH) -DMODEL_$(MODEL) -DSYS_$(SYSTEM)
# Flags to pass to the C preprocessor when preprocessing assembly files
OC_ASPPFLAGS=-I $(ROOTDIR)/runtime $(OC_NATIVE_CPPFLAGS)
OPTCOMPFLAGS=
ifeq "$(FUNCTION_SECTIONS)" "true"
OPTCOMPFLAGS += -function-sections
endif
# Escape special characters in the argument string.
# There are four characters that need escaping:
# - backslash and ampersand, which are special in the replacement text
# of sed's "s" command
# - exclamation mark, which is the delimiter we use for sed's "s" command
# - single quote, which interferes with shell quoting. We are inside
# single quotes already, so the proper escape is '\''
# (close single quotation, insert single quote character,
# reopen single quotation).
SED_ESCAPE=$(subst ','\'',$(subst !,\!,$(subst &,\&,$(subst \,\\,$1))))
# Escape special characters in an OCaml string literal "..."
# There are two: backslash and double quote.
OCAML_ESCAPE=$(subst ",\",$(subst \,\\,$1))
# SUBST generates the sed substitution for the variable *named* in $1
SUBST=-e 's!%%$1%%!$(call SED_ESCAPE,$($1))!'
# SUBST_STRING does the same, for a variable that occurs between "..."
# in config.mlp. Thus, backslashes and double quotes must be escaped.
SUBST_STRING=-e 's!%%$1%%!$(call SED_ESCAPE,$(call OCAML_ESCAPE,$($1)))!'
# The rule to compile C files
# This rule is similar to GNU make's implicit rule, except that it is more
# general (it supports both .o and .obj)
ifneq "$(COMPUTE_DEPS)" "false"
RUNTIME_HEADERS :=
REQUIRED_HEADERS :=
else
RUNTIME_HEADERS := $(wildcard $(ROOTDIR)/runtime/caml/*.tbl) \
$(wildcard $(ROOTDIR)/runtime/caml/*.h)
REQUIRED_HEADERS := $(RUNTIME_HEADERS) $(wildcard *.h)
endif
%.$(O): %.c $(REQUIRED_HEADERS)
$(CC) -c $(OC_CFLAGS) $(CFLAGS) $(OC_CPPFLAGS) $(CPPFLAGS) \
$(OUTPUTOBJ)$@ $<
$(DEPDIR):
$(MKDIR) $@
# When executable files have an extension (e.g. ".exe"),
# provide phony synonyms
define PROGRAM_SYNONYM
ifneq ($(EXE),)
.PHONY: $(1)
$(1): $(1)$(EXE)
endif
endef # PROGRAM_SYNONYM
# Definitions related to ocamldep
# Default value for OCAMLDEP
# In those directories where this needs to be overridden, the overriding
# should take place *before* Makefile.common is included.
OCAMLDEP ?= $(BEST_OCAMLDEP)
OC_OCAMLDEPFLAGS = -slash
OC_OCAMLDEPDIRS =
OCAMLDEP_CMD = $(OCAMLDEP) $(OC_OCAMLDEPFLAGS) \
$(addprefix -I ,$(OC_OCAMLDEPDIRS)) $(OCAMLDEPFLAGS)
# Lexer generation
BOOT_OCAMLLEX ?= $(OCAMLRUN) $(ROOTDIR)/boot/ocamllex
# Default value for OCAMLLEX
# In those directories where this needs to be overridden, the overriding
# should take place *before* Makefile.common is included.
OCAMLLEX ?= $(BEST_OCAMLLEX)
OCAMLLEXFLAGS ?= -q
%.ml: %.mll
$(OCAMLLEX) $(OCAMLLEXFLAGS) $<
# Parser generation
OCAMLYACC ?= $(ROOTDIR)/yacc/ocamlyacc$(EXE)
OCAMLYACCFLAGS ?=
%.ml %.mli: %.mly
$(OCAMLYACC) $(OCAMLYACCFLAGS) $<
SAK = $(ROOTDIR)/runtime/sak$(EXE)
# stdlib/StdlibModules cannot be include'd unless $(SAK) has been built. These
# two rules add that dependency. They have to be pattern rules since
# Makefile.common is included before default targets.
$(ROOTDIR)/%/sak$(EXE):
$(MAKE) -C $(ROOTDIR)/$* sak$(EXE)
ifneq "$(REQUIRES_CONFIGURATION)" ""
ifneq "$(wildcard $(ROOTDIR)/Makefile.config)" ""
$(ROOTDIR)/%/StdlibModules: $(SAK) ;
endif
endif
# Used with the Microsoft toolchain to merge generated manifest files into
# executables
if_file_exists = ( test ! -f $(1) || $(2) && rm -f $(1) )
MERGEMANIFESTEXE = $(call if_file_exists, $(1).manifest, \
mt -nologo -outputresource:$(1) -manifest $(1).manifest)
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