Makefile.fallback

# SPDX-License-Identifier: GPL-3.0-or-later
#
# Makefile  This file is part of LibWoofer
# Copyright (C) 2022, 2023  Quico Augustijn
#
# This library 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 of the License, or
# (at your option) any later version.
#
# This library is distributed "as is" 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.  If your
# computer no longer boots, divides by 0 or explodes, you are the only
# one responsible.  See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# version 3 along with this library.  If not, see
# <https://www.gnu.org/licenses/gpl-3.0.html>.
#
#
# This is the original manually written Makefile that is now replaced by the
# configurable 'Makefile.in'.  This Makefile can still be used to compile the
# software with the default configuration, but you are encouraged to configure
# the project using the `./configure` script before using Make.

SHELL = /bin/sh

# Variables
NAME ?= Woofer
TARNAME ?= woofer
VERSION_MAJOR = 0
VERSION_MINOR = 1
VERSION_PATCH = 0
PACKAGE_VERSION ?= $(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_PATCH)
CC ?= gcc
LD ?= ld
AR ?= ar
RANLIB ?= ranlib
MKDIR_P = mkdir -p
LN_S = ln -s

# Build information
TAG = lib$(TARNAME)
OUT_SHARED ?= $(TAG).so.$(PACKAGE_VERSION)
OUT_STATIC ?= $(TAG).a
LINK_SHARED ?= $(TAG).so.$(VERSION_MAJOR)
DIST_PKG = $(TAG)-$(PACKAGE_VERSION)

# Dependencies and targets
DEPENDENCIES = glib-2.0 gio-2.0 gobject-2.0 gstreamer-1.0
PREREQUISITE_LIB = app song player library settings intelligence song_manager \
                   song_metadata remote mpris statistics notifications \
                   file_inspector utils characters dlist memory tweaks \
                   static/gdbus static/gdbus static/mediaplayer2 \
                   static/options static/resources
PKGCONFIG_FILE = woofer.pc
TAR_FILES = AUTHORS BUGS CODE_OF_CONDUCT.md configure configure.ac \
            CONTRIBUTING.md COPYING envsetup.sh INSTALL install-sh \
            Makefile.fallback Makefile.in README.md $(TAG).doap
TAR_DIRS = data doc resources src

# Compiler and linker flags
LIBS += -lm
WARN_FLAGS = -Wall -Wextra -Wno-missing-field-initializers -Wno-unused-parameter
INC_FLAGS = -I$(SRC_DIR)
MACROS = -DG_LOG_DOMAIN=\"$(TAG)\"
DEBUG_FLAGS = -g -ggdb

# Directories used for compilation
BUILD_DIR = build
SRC_DIR = src
DATA_DIR = data

# Final library target
TARGET_SHARED ?= $(BUILD_DIR)/$(OUT_SHARED)
TARGET_STATIC ?= $(BUILD_DIR)/$(OUT_STATIC)
TARGET_LINK ?= $(BUILD_DIR)/$(LINK_SHARED)

# Get library linking flags
PKG_CFLAGS := `pkg-config --cflags $(DEPENDENCIES)`
PKG_LIBS := `pkg-config --libs $(DEPENDENCIES)`

# Sources and targets
OBJS := $(PREREQUISITE_LIB:%=$(BUILD_DIR)/%.o)
SRCS := $(PREREQUISITE_LIB:%=$(SRC_DIR)/%.c)

# Prerequisites search path
vpath %.c $(SRC_DIR)
vpath %.h $(SRC_DIR)

# Targets that do not generate any files
.PHONY: all resources clean distclean mostlyclean maintainer-clean dist \
        dist-gzip dist-xz

# Default target
all: $(TARGET_SHARED) $(TARGET_STATIC) $(TARGET_LINK)

# Final shared library linkage
$(TARGET_SHARED): $(OBJS)
	@$(MKDIR_P) $(@D)
	$(CC) -shared -o $@ $^ $(LIBS) $(PKG_LIBS) $(CFLAGS) $(LDFLAGS)

# Final static library archive creation
$(TARGET_STATIC): $(OBJS)
	@$(MKDIR_P) $(@D)
	$(AR) $(ARFLAGS) $@ $^
	$(RANLIB) $@

# Shared library symbolic link creation
$(TARGET_LINK): $(TARGET_SHARED)
	$(LN_S) -rf $^ $@

# Library object compilation
$(BUILD_DIR)/%.o: %.c %.h
	@$(MKDIR_P) $(@D)
	$(CC) $(INC_FLAGS) $(MACROS) -fPIC -c $< -o $@ $(PKG_CFLAGS) $(WARN_FLAGS) $(DEBUG_FLAGS) $(CFLAGS) $(CPPFLAGS)

# Recompile resource files
resources: resources/resources.gresource.xml
	glib-compile-resources --sourcedir=resources --generate-source --internal $<
	glib-compile-resources --sourcedir=resources --generate-header --internal $<
	cp -f resources/resources.c src/static/resources.c
	cp -f resources/resources.h src/static/resources.h

# Clean all compiled files
clean:
	@$(MAKE) mostlyclean
	-rm -fv $(TARGET_SHARED) $(TARGET_STATIC) $(TARGET_LINK)

# Clean all generated and compiled files
distclean:
	@$(MAKE) clean
	-rm -frv autom4te.cache aclocal.m4 config.log config.status Makefile $(DATA_DIR)/$(PKGCONFIG_FILE)

# Clean temporary files
mostlyclean:
	-rm -fv $(BUILD_DIR)/*.i $(BUILD_DIR)/*.s $(BUILD_DIR)/*.o
	-rm -fv $(BUILD_DIR)/*/*.i $(BUILD_DIR)/*/*.s $(BUILD_DIR)/*/*.o

# Clean almost everything
maintainer-clean:
	@echo 'This command is intended for maintainers to use; it'
	@echo 'deletes files that may need special tools to rebuild.'
	@$(MAKE) distclean
	-rm -fv resources/resources.c resources/resources.h resources.gresource

# Create a distribution tar file
dist:
	$(MAKE) dist-gzip

# Common operations to create a distribution archive
dist-tar:
	@$(MKDIR_P) $(DIST_PKG)
	cp -dflRux -t $(DIST_PKG) $(TAR_FILES) $(TAR_DIRS)
	-rm -f $(DIST_PKG)/*/$(PKGCONFIG_FILE)
	tar -c --remove-files --file=$(DIST_PKG).tar $(DIST_PKG)
	-rm -rf $(DIST_PKG)

# Create a distribution tar file, compressed with gzip
dist-gzip: $(TAR_FILES)
	$(MAKE) dist-tar
	gzip -9 -f $(DIST_PKG).tar

# Create a distribution tar file, compressed with xz
dist-xz: $(TAR_FILES)
	$(MAKE) dist-tar
	xz $(DIST_PKG).tar