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## file melt-module.mk
## a -*- Makefile -*- for GNU make.
# Copyright (C) 2009, 2011 Free Software Foundation, Inc.
# Contributed by Basile Starynkevitch <basile@starynkevitch.net>
# This file is part of GCC.
# GCC is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
# GCC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
### should be invoked to compile MELT generated C files srcdir/foo*.c
### with descriptive file srcdir/foo+meltdesc.c & timestamp file
### srcdir/foo+melttime.h, perhaps from melt-runtime.c, with
#### make -f melt-module.mk \
#### GCCMELT_MODULE_SOURCEBASE=srcdir/foo \
#### GCCMELT_MODULE_BINARYBASE=moduledir/foo \
#### GCCMELT_MODULE_WORKSPACE=/tmp \
#### GCCMELT_MODULE_FLAVOR=quicklybuilt
#### to make moduledir/foo.so
.PHONY: melt_module
### See also routine compile_gencsrc_to_binmodule of melt-runtime.c
ifndef GCCMELT_MODULE_SOURCEBASE
$(error GCCMELT_MODULE_SOURCEBASE not defined)
endif
ifndef GCCMELT_MODULE_BINARYBASE
$(error GCCMELT_MODULE_BINARYBASE not defined)
endif
# the workspace is the directory where files are built
ifndef GCCMELT_MODULE_WORKSPACE
GCCMELT_MODULE_WORKSPACE=.
endif
# the flavor is 'optimized' or 'quicklybuilt' or 'debugnoline'
ifndef GCCMELT_MODULE_FLAVOR
$(warning GCCMELT_MODULE_FLAVOR default to optimized)
GCCMELT_MODULE_FLAVOR=optimized
endif
# check that we do have a melt descriptive source file
GCCMELT_DESC:= $(wildcard $(GCCMELT_MODULE_SOURCEBASE)+meltdesc.c)
ifeq ($(GCCMELT_DESC),)
$(error MELT descriptive file $(GCCMELT_MODULE_SOURCEBASE)+meltdesc.c does not exist)
endif
# warn if the melt time stamp file is missing
GCCMELT_TIMEF:= $(wildcard $(GCCMELT_MODULE_SOURCEBASE)+melttime.h)
ifeq ($(GCCMELT_TIMEF),)
$(warning MELT time stamp file $(GCCMELT_MODULE_SOURCEBASE)+melttime.h does not exist)
endif
## check the flavor
ifeq ($(findstring $(GCCMELT_MODULE_FLAVOR),optimized quicklybuilt debugnoline dynamic),)
$(error invalid GCCMELT_MODULE_FLAVOR $(GCCMELT_MODULE_FLAVOR))
endif
### GNU awk is required
ifndef GAWK
GAWK=gawk
endif
## The md5sum command is required
MD5SUM ?= md5sum
ifndef LN_S
LN_S=ln -s
endif
## The compiler used to compile MELT C code
GCCMELT_CC ?= $(firstword $(GCC) gcc)
GCCMELT_BASE=$(notdir $(basename $(GCCMELT_MODULE_SOURCEBASE)))
GCCMELT_SOURCEDIR=$(dir $(GCCMELT_MODULE_SOURCEBASE))
## these flags should only affect the quality of the generated
## binaries. No preprocessor flags please here!
GCCMELT_OPTIMIZED_FLAGS ?= -O1
GCCMELT_QUICKLYBUILT_FLAGS ?= -O0
GCCMELT_DYNAMIC_FLAGS ?= -O0
GCCMELT_DEBUGNOLINE_FLAGS ?= -g
## the primary C file
GCCMELT_PRIMARY := $(wildcard $(GCCMELT_MODULE_SOURCEBASE).c)
ifeq ($(GCCMELT_PRIMARY),)
$(error Did not found MELT primary file $(GCCMELT_MODULE_SOURCEBASE).c)
endif
## the md5 checksum of the primary file
GCCMELT_PRIMARYMD5:= $(shell $(MD5SUM) $(GCCMELT_PRIMARY) | $(GAWK) '{print $$1}')
## the secondary C files, in order
GCCMELT_SECONDARIES= $(sort $(wildcard $(GCCMELT_MODULE_SOURCEBASE)+[09]*.c))
## the corresponding checksums
GCCMELT_SECONDARIES_MD5:= $(if $(GCCMELT_SECONDARIES), \
$(shell $(MD5SUM) $(GCCMELT_SECONDARIES) | $(GAWK) '{print $$1}'))
## the cumulated checksum
GCCMELT_CUMULATED_MD5 ?= $(shell cat $(GCCMELT_PRIMARY) $(GCCMELT_SECONDARIES) | $(MD5SUM) | $(GAWK) '{print $$1}')
## the primary object basename
GCCMELT_PRIMARY_OBJ:= $(basename $(notdir $(GCCMELT_PRIMARY))).$(GCCMELT_PRIMARYMD5)
## the secondary objects basenames
GCCMELT_SECONDARIES_OBJ := $(join $(basename $(notdir $(GCCMELT_SECONDARIES))),$(addprefix .,$(GCCMELT_SECONDARIES_MD5)))
vpath %.optimized.pic.o $(GCCMELT_MODULE_WORKSPACE)
$(GCCMELT_MODULE_WORKSPACE)/%.optimized.pic.o:
[ -d $(GCCMELT_MODULE_WORKSPACE) ] || mkdir -p $(GCCMELT_MODULE_WORKSPACE)
$(GCCMELT_CC) -DMELTGCC_MODULE_OPTIMIZED -DMELT_HAVE_DEBUG=0 $(GCCMELT_OPTIMIZED_FLAGS) $(GCCMELT_CFLAGS) \
-fPIC -c -o $@ $(patsubst %, $(GCCMELT_SOURCEDIR)%.c, $(basename $(basename $(basename $(basename $(notdir $@))))))
vpath %.quicklybuilt.pic.o $(GCCMELT_MODULE_WORKSPACE)
$(GCCMELT_MODULE_WORKSPACE)/%.quicklybuilt.pic.o:
[ -d $(GCCMELT_MODULE_WORKSPACE) ] || mkdir -p $(GCCMELT_MODULE_WORKSPACE)
$(GCCMELT_CC) -DMELTGCC_MODULE_QUICKLYBUILT -DMELT_HAVE_DEBUG=1 $(GCCMELT_QUICKLYBUILT_FLAGS) $(GCCMELT_CFLAGS) \
-fPIC -c -o $@ $(patsubst %, $(GCCMELT_SOURCEDIR)%.c, $(basename $(basename $(basename $(basename $(notdir $@))))))
vpath %.debugnoline.pic.o $(GCCMELT_MODULE_WORKSPACE)
$(GCCMELT_MODULE_WORKSPACE)/%.debugnoline.pic.o:
[ -d $(GCCMELT_MODULE_WORKSPACE) ] || mkdir -p $(GCCMELT_MODULE_WORKSPACE)
$(GCCMELT_CC) -DMELTGCC_MODULE_DEBUGNOLINE -DMELTGCC_NOLINENUMBERING -DMELT_HAVE_DEBUG=1 $(GCCMELT_DEBUGNOLINE_FLAGS) $(GCCMELT_CFLAGS) \
-fPIC -c -o $@ $(patsubst %, $(GCCMELT_SOURCEDIR)%.c, $(basename $(basename $(basename $(basename $(notdir $@))))))
vpath %.dynamic.pic.o $(GCCMELT_MODULE_WORKSPACE)
$(GCCMELT_MODULE_WORKSPACE)/%.dynamic.pic.o:
[ -d $(GCCMELT_MODULE_WORKSPACE) ] || mkdir -p $(GCCMELT_MODULE_WORKSPACE)
$(GCCMELT_CC) -DMELTGCC_MODULE_DEBUGNOLINE -DMELT_HAVE_DEBUG=1 -DMELTGCC_DYNAMIC_OBJSTRUCT $(GCCMELT_DYNAMIC_FLAGS) $(GCCMELT_CFLAGS) \
-fPIC -c -o $@ $(patsubst %, $(GCCMELT_SOURCEDIR)%.c, $(basename $(basename $(basename $(basename $(notdir $@))))))
$(GCCMELT_MODULE_WORKSPACE)/$(basename $(notdir $(GCCMELT_DESC))).$(GCCMELT_CUMULATED_MD5).pic.o: $(GCCMELT_DESC) $(GCCMELT_TIMEF)
[ -d $(GCCMELT_MODULE_WORKSPACE) ] || mkdir -p $(GCCMELT_MODULE_WORKSPACE)
$(GCCMELT_CC) -DMELTGCC_MODULE_DESCRFILE $(GCCMELT_CFLAGS) -fPIC -c -o $@ $<
$(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_BASE).$(GCCMELT_CUMULATED_MD5).optimized.so: \
$(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_PRIMARY_OBJ).optimized.pic.o \
$(addsuffix .optimized.pic.o, $(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_PRIMARY_OBJ) $(patsubst %,$(GCCMELT_MODULE_WORKSPACE)/%,$(GCCMELT_SECONDARIES_OBJ)))
[ -d $(GCCMELT_MODULE_WORKSPACE) ] || mkdir -p $(GCCMELT_MODULE_WORKSPACE)
$(MAKE) -f $(filter %melt-module.mk, $(MAKEFILE_LIST)) $^ \
GCCMELT_MODULE_SOURCEBASE=$(GCCMELT_MODULE_SOURCEBASE) \
GCCMELT_MODULE_BINARYBASE=$(GCCMELT_MODULE_BINARYBASE) \
GCCMELT_MODULE_WORKSPACE=$(GCCMELT_MODULE_WORKSPACE) \
GCCMELT_MODULE_FLAVOR=$(GCCMELT_MODULE_FLAVOR) \
GCCMELT_CUMULATED_MD5=$(GCCMELT_CUMULATED_MD5)
$(GCCMELT_CC) $(GCCMELT_OPTIMIZED_FLAGS) $(GCCMELT_CFLAGS) -fPIC -shared -o $@ $(GCCMELT_DESC) $^
$(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_BASE).$(GCCMELT_CUMULATED_MD5).dynamic.so: \
$(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_PRIMARY_OBJ).dynamic.pic.o \
$(addsuffix .dynamic.pic.o, $(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_PRIMARY_OBJ) $(patsubst %,$(GCCMELT_MODULE_WORKSPACE)/%,$(GCCMELT_SECONDARIES_OBJ)))
$(MAKE) -f $(filter %melt-module.mk, $(MAKEFILE_LIST)) $^ \
GCCMELT_MODULE_SOURCEBASE=$(GCCMELT_MODULE_SOURCEBASE) \
GCCMELT_MODULE_BINARYBASE=$(GCCMELT_MODULE_BINARYBASE) \
GCCMELT_MODULE_WORKSPACE=$(GCCMELT_MODULE_WORKSPACE) \
GCCMELT_MODULE_FLAVOR=$(GCCMELT_MODULE_FLAVOR) \
GCCMELT_CUMULATED_MD5=$(GCCMELT_CUMULATED_MD5)
$(GCCMELT_CC) $(GCCMELT_DYNAMIC_FLAGS) $(GCCMELT_CFLAGS) -fPIC -shared -o $@ $(GCCMELT_DESC) $^
$(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_BASE).$(GCCMELT_CUMULATED_MD5).quicklybuilt.so: \
$(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_PRIMARY_OBJ).quicklybuilt.pic.o \
$(addsuffix .quicklybuilt.pic.o, $(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_PRIMARY_OBJ) $(patsubst %,$(GCCMELT_MODULE_WORKSPACE)/%,$(GCCMELT_SECONDARIES_OBJ)))
$(MAKE) -f $(filter %melt-module.mk, $(MAKEFILE_LIST)) $^ \
GCCMELT_MODULE_SOURCEBASE=$(GCCMELT_MODULE_SOURCEBASE) \
GCCMELT_MODULE_BINARYBASE=$(GCCMELT_MODULE_BINARYBASE) \
GCCMELT_MODULE_WORKSPACE=$(GCCMELT_MODULE_WORKSPACE) \
GCCMELT_MODULE_FLAVOR=$(GCCMELT_MODULE_FLAVOR) \
GCCMELT_CUMULATED_MD5=$(GCCMELT_CUMULATED_MD5)
$(GCCMELT_CC) $(GCCMELT_QUICKLYBUILT_FLAGS) $(GCCMELT_CFLAGS) -fPIC -shared -o $@ $(GCCMELT_DESC) $^
$(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_BASE).$(GCCMELT_CUMULATED_MD5).debugnoline.so: \
$(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_PRIMARY_OBJ).debugnoline.pic.o \
$(addsuffix .debugnoline.pic.o, $(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_PRIMARY_OBJ) $(patsubst %,$(GCCMELT_MODULE_WORKSPACE)/%,$(GCCMELT_SECONDARIES_OBJ)))
$(MAKE) -f $(filter %melt-module.mk, $(MAKEFILE_LIST)) $^ \
GCCMELT_MODULE_SOURCEBASE=$(GCCMELT_MODULE_SOURCEBASE) \
GCCMELT_MODULE_BINARYBASE=$(GCCMELT_MODULE_BINARYBASE) \
GCCMELT_MODULE_WORKSPACE=$(GCCMELT_MODULE_WORKSPACE) \
GCCMELT_MODULE_FLAVOR=$(GCCMELT_MODULE_FLAVOR) \
GCCMELT_CUMULATED_MD5=$(GCCMELT_CUMULATED_MD5)
$(GCCMELT_CC) $(GCCMELT_DEBUGNOLINE_FLAGS) $(GCCMELT_CFLAGS) -fPIC -shared -o $@ $(GCCMELT_DESC) $^
melt_module: $(GCCMELT_MODULE_BINARYBASE).$(GCCMELT_MODULE_FLAVOR).so
$(GCCMELT_MODULE_BINARYBASE).$(GCCMELT_MODULE_FLAVOR).so: $(GCCMELT_MODULE_WORKSPACE)/$(GCCMELT_BASE).$(GCCMELT_CUMULATED_MD5).$(GCCMELT_MODULE_FLAVOR).so
echo @+@melt-module inf= $< at= $@
$(LN_S) -f $(realpath $<) $@
## eof melt-module.mk
|
