# Build recipes
# Copyright (C) 2024  Nguyễn Gia Phong
#
# This file is part of GoatC.
#
# GoatC is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GoatC 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with GoatC.  If not, see <https://www.gnu.org/licenses/>.

CXXFLAGS += -Wextra -Werror
LDLIBS += $(shell llvm-config --cxxflags --ldflags)
LDFLAGS ?= -fPIC -Wl,-undefined,dynamic_lookup
PREFIX ?= /usr/local

LIB := goatc.so
BIN := goatcflags

INSTALLED_LIB := $(addprefix $(DESTDIR)$(PREFIX)/lib/,$(LIB))
INSTALLED_BIN := $(addprefix $(DESTDIR)$(PREFIX)/bin/,$(BIN))

.PHONY: all clean install
.SUFFIXES:

all: $(LIB)

goatc.so: goatc.cc
	${CXX} ${CXXFLAGS} $< ${LDLIBS} -o $@ -shared ${LDFLAGS}

goatcflags: goatcflags.m4
	m4 -D PREFIX=${PREFIX} $< > $@

install: $(INSTALLED_LIB) $(INSTALLED_BIN)

${DESTDIR}${PREFIX}/lib/%: %
	install -Dm 644 $< $@

${DESTDIR}${PREFIX}/bin/%: %
	install -Dm 755 $< $@