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## file melt-module.mk
## a -*- Makefile -*- for GNU make.
# Copyright (C) 2009 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, perhaps from melt-runtime.c, with
#### make -f melt-module.mk \
#### GCCMELT_MODULE_SOURCE=foo.c \
#### GCCMELT_MODULE_BINARY=foo.so \
#### GCCMELT_MODULE_WORKSPACE=/tmp
ifndef GCCMELT_MODULE_SOURCE
$(error GCCMELT_MODULE_SOURCE not defined)
endif
ifndef GCCMELT_MODULE_BINARY
$(error GCCMELT_MODULE_BINARY not defined)
endif
ifndef GCCMELT_MODULE_WORKSPACE
GCCMELT_MODULE_WORKSPACE=.
endif
MELTMODULE_BASENAME:=$(basename $(GCCMELT_MODULE_SOURCE))
MELTMODULE_PLAIN:=$(notdir $(MELTMODULE_BASENAME))
MELTMODULE_SRCDIR:=$(dir $(GCCMELT_MODULE_SOURCE))
## Usually, when melt_module_withoutline is the sole target, the
## GCCMELT_MODULE_BINARY already ends with .n.so, so we don"t have to
## generate it. In some rare occasions, both melt_module &
## melt_module_withoutline could be explicitly given targets, with
## GCCMELT_MODULE_BINARY=foo.so
##
## so we need to patsubst only when the original suffix is just .so,
## not when it is already .d.so or .n.so
## The .d.so & .n.so suffixes are wired in melt-runtime.c!
MELTMODULE_DYNAMIC:= \
$(patsubst %.so, %.d.so, $(filter-out %.d.so, $(GCCMELT_MODULE_BINARY))) \
$(filter %.d.so, $(GCCMELT_MODULE_BINARY))
MELTMODULE_NOLINE:= \
$(patsubst %.so, %.n.so, $(filter-out %.n.so, $(GCCMELT_MODULE_BINARY))) \
$(filter %.n.so, $(GCCMELT_MODULE_BINARY))
MELTSTAMP:=$(GCCMELT_MODULE_WORKSPACE)/$(MELTMODULE_PLAIN)-stamp.c
MELTMODULE_CFILES:=$(wildcard $(MELTMODULE_BASENAME).c $(MELTMODULE_BASENAME)+*.c)
MELTMODULE_OBJPICFILES:=$(patsubst %.c, $(GCCMELT_MODULE_WORKSPACE)/%.pic.o, $(notdir $(MELTMODULE_CFILES)))
MELTMODULE_OBJDYNPICFILES:=$(patsubst %.c, $(GCCMELT_MODULE_WORKSPACE)/%.dynpic.o, $(notdir $(MELTMODULE_CFILES)))
MELTMODULE_OBJNOLPICFILES:=$(patsubst %.c, $(GCCMELT_MODULE_WORKSPACE)/%.nolpic.o, $(notdir $(MELTMODULE_CFILES)))
ifndef GCCMELT_CC
GCCMELT_CC=gcc
endif
ifndef GCCMELT_CFLAGS
GCCMELT_CFLAGS=-O
endif
RM=rm -f
MD5SUM=md5sum
.PHONY: melt_module melt_module_dynamic melt_module_rawdynamic melt_module_withoutline melt_clean
melt_module: $(GCCMELT_MODULE_BINARY)
melt_module_dynamic: $(MELTMODULE_DYNAMIC)
melt_module_rawdynamic: $(GCCMELT_MODULE_BINARY)
# melt_module_rawdynamic: override GCCMELT_CFLAGS += -DMELTGCC_DYNAMIC_OBJSTRUCT
melt_module_withoutline: $(MELTMODULE_NOLINE)
melt_module_rawwithoutline: $(GCCMELT_MODULE_BINARY)
$(GCCMELT_MODULE_BINARY): $(MELTMODULE_OBJPICFILES) $(MELTSTAMP)
$(GCCMELT_CC) $(GCCMELT_CFLAGS) -fPIC -shared \
$(MELTMODULE_OBJPICFILES) $(MELTSTAMP) -o $@
$(RM) $(MELTSTAMP)
$(MELTMODULE_DYNAMIC): $(MELTMODULE_OBJDYNPICFILES) $(MELTSTAMP)
$(GCCMELT_CC) $(GCCMELT_CFLAGS) -DMELTGCC_DYNAMIC_OBJSTRUCT \
-fPIC -shared $(MELTMODULE_OBJDYNPICFILES) $(MELTSTAMP) -o $@
$(RM) $(MELTSTAMP)
$(MELTMODULE_NOLINE): $(MELTMODULE_OBJNOLPICFILES) $(MELTSTAMP)
$(GCCMELT_CC) $(GCCMELT_CFLAGS) -DMELTGCC_NOLINENUMBERING \
-fPIC -shared $(MELTMODULE_OBJNOLPICFILES) $(MELTSTAMP) -o $@
$(RM) $(MELTSTAMP)
$(GCCMELT_MODULE_WORKSPACE)/%.pic.o: $(MELTMODULE_SRCDIR)/%.c
$(GCCMELT_CC) $(GCCMELT_CFLAGS) -fPIC -c -o $@ $<
$(GCCMELT_MODULE_WORKSPACE)/%.dynpic.o: $(MELTMODULE_SRCDIR)/%.c
$(GCCMELT_CC) $(GCCMELT_CFLAGS) -DMELTGCC_DYNAMIC_OBJSTRUCT -fPIC -c -o $@ $<
$(GCCMELT_MODULE_WORKSPACE)/%.nolpic.o: $(MELTMODULE_SRCDIR)/%.c
$(GCCMELT_CC) $(GCCMELT_CFLAGS) -DMELTGCC_NOLINENUMBERING -fPIC -c -o $@ $<
$(MELTSTAMP): $(MELTMODULE_CFILES)
echo '/*' generated file $(MELTSTAMP) '*/' > $@-tmp
date "+const char melt_compiled_timestamp[]=\"%c $(MELTMODULE)\";" >> $@-tmp
echo "const char melt_md5[]=\"\\" >> $@-tmp
for f in $(MELTMODULE_CFILES); do \
md5line=`$(MD5SUM) $$f` ; \
printf "%s\\\n" $$md5line >> $@-tmp; \
done
echo "\";" >> $@-tmp
echo "const char melt_csource[]=\"$(MELTMODULE_CFILES)\";" >> $@-tmp
mv $@-tmp $@
melt_clean:
$(RM) $(MELTMODULE_OBJPICFILES) \
$(MELTMODULE_OBJNOLPICFILES) \
$(MELTMODULE_OBJDYNPICFILES) \
$(MELTSTAMP) \
$(GCCMELT_MODULE_BINARY) \
$(MELTMODULE_DYNAMIC) \
$(MELTMODULE_NOLINE)
## eof melt-module.mk
|
