ocaml/Makefile.common

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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
DESTDIR ?=
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INSTALL_BINDIR := $(DESTDIR)$(BINDIR)
INSTALL_LIBDIR := $(DESTDIR)$(LIBDIR)
INSTALL_STUBLIBDIR := $(DESTDIR)$(STUBLIBDIR)
INSTALL_MANDIR := $(DESTDIR)$(MANDIR)
ifeq "$(UNIX_OR_WIN32)" "win32"
FLEXDLL_SUBMODULE_PRESENT := $(wildcard $(ROOTDIR)/flexdll/Makefile)
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else
FLEXDLL_SUBMODULE_PRESENT =
endif
# Use boot/ocamlc.opt if available
CAMLRUN ?= $(ROOTDIR)/boot/ocamlrun$(EXE)
ifeq (0,$(shell \
test $(ROOTDIR)/boot/ocamlc.opt -nt $(ROOTDIR)/boot/ocamlc; \
echo $$?))
BOOT_OCAMLC = $(ROOTDIR)/boot/ocamlc.opt
else
BOOT_OCAMLC = $(CAMLRUN) $(ROOTDIR)/boot/ocamlc
endif
ifeq "$(FLEXDLL_SUBMODULE_PRESENT)" ""
FLEXLINK_ENV =
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CAMLOPT_CMD = $(CAMLOPT)
OCAMLOPT_CMD = $(OCAMLOPT)
MKLIB_CMD = $(MKLIB)
ocamlc_cmd = $(ocamlc)
ocamlopt_cmd = $(ocamlopt)
else
FLEXLINK_ENV = \
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OCAML_FLEXLINK="$(ROOTDIR)/boot/ocamlrun $(ROOTDIR)/flexdll/flexlink.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) $(ocamlopt)
endif
OPTCOMPFLAGS=
ifeq "$(FUNCTION_SECTIONS)" "true"
OPTCOMPFLAGS += -function-sections
endif
# By default, request ocamllex to be quiet
OCAMLLEX_FLAGS ?= -q
# 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