chroma

PROJECT_NAME = chroma

VERSION = 1.0.0

# Directories

SRCDIR = src

INCDIR = include

OBJDIR = obj

BINDIR = bin

SYSTEMD_DIR = systemd

PROTOCOLDIR = protocols

# Install directories

PREFIX ?= /usr/local

BINDIR_INSTALL = $(PREFIX)/bin

SYSTEMD_INSTALL = $(HOME)/.config/systemd/user

# Compiler and flags

CC = gcc

CFLAGS = -std=c11 -Wall -Wextra -Werror -pedantic -O2 -g

CFLAGS += -D_GNU_SOURCE -DCHROMA_VERSION=\"$(VERSION)\"

CPPFLAGS = -I$(INCDIR)

# Debug build flags

DEBUG_CFLAGS = -std=c11 -Wall -Wextra -Werror -pedantic -Og -g3 -DDEBUG

DEBUG_CFLAGS += -D_GNU_SOURCE -DCHROMA_VERSION=\"$(VERSION)-debug\"

DEBUG_CFLAGS += -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer

# Libraries using pkg-config

PKG_DEPS = wayland-client wayland-egl egl glesv2 wayland-protocols

CFLAGS += $(shell pkg-config --cflags $(PKG_DEPS))

LDFLAGS += $(shell pkg-config --libs $(PKG_DEPS))

# Protocol files

PROTOCOL_XML = $(PROTOCOLDIR)/xdg-shell.xml $(PROTOCOLDIR)/wlr-layer-shell-unstable-v1.xml

PROTOCOL_HEADERS = $(PROTOCOL_XML:$(PROTOCOLDIR)/%.xml=$(INCDIR)/%.h)

PROTOCOL_SOURCES = $(PROTOCOL_XML:$(PROTOCOLDIR)/%.xml=$(SRCDIR)/%.c)

PROTOCOL_OBJECTS = $(PROTOCOL_SOURCES:$(SRCDIR)/%.c=$(OBJDIR)/%.o)

# Additional libraries

LDFLAGS += -lm -ldl

# Source files (excluding generated protocol files)

SOURCES = $(filter-out $(PROTOCOL_SOURCES), $(wildcard $(SRCDIR)/*.c))

OBJECTS = $(SOURCES:$(SRCDIR)/%.c=$(OBJDIR)/%.o) $(PROTOCOL_OBJECTS)

DEPENDS = $(OBJECTS:.o=.d)

# Default target

TARGET = $(BINDIR)/$(PROJECT_NAME)

all: $(TARGET)

# Create directories

$(OBJDIR):

	@mkdir -p $(OBJDIR)

$(BINDIR):

	@mkdir -p $(BINDIR)

# Protocol generation

$(INCDIR)/%.h: $(PROTOCOLDIR)/%.xml | $(INCDIR)

	@echo "  PROTO $<"

	@wayland-scanner client-header $< $@

$(SRCDIR)/%.c: $(PROTOCOLDIR)/%.xml

	@echo "  PROTO $<"

	@wayland-scanner private-code $< $@

# Make sure include directory exists

$(INCDIR):

	@mkdir -p $(INCDIR)

# Build main executable

$(TARGET): $(PROTOCOL_HEADERS) $(OBJECTS) | $(BINDIR)

	@echo "  LINK  $@"

	@$(CC) $(OBJECTS) -o $@ $(LDFLAGS)

# Compile source files

$(OBJDIR)/%.o: $(SRCDIR)/%.c $(PROTOCOL_HEADERS) | $(OBJDIR)

	@echo "  CC    $<"

	@$(CC) $(CPPFLAGS) $(CFLAGS) -MMD -MP -c $< -o $@

# Debug build

debug: CFLAGS = $(DEBUG_CFLAGS)

debug: $(TARGET)

# Static build (for distribution)

static: LDFLAGS += -static

static: $(TARGET)

# Check if required dependencies are available

check-deps:

	@echo "Checking dependencies..."

	@pkg-config --exists $(PKG_DEPS) || (echo "Missing dependencies. Install: wayland-protocols libwayland-dev libegl1-mesa-dev libgl1-mesa-dev wayland-scanner" && exit 1)

	@which wayland-scanner >/dev/null || (echo "wayland-scanner not found. Please install wayland-scanner." && exit 1)

	@echo "All dependencies found."

# Install

install: $(TARGET)

	@echo "Installing $(PROJECT_NAME)..."

	install -Dm755 $(TARGET) $(DESTDIR)$(BINDIR_INSTALL)/$(PROJECT_NAME)

	@if [ -f $(SYSTEMD_DIR)/$(PROJECT_NAME).service ]; then \

		echo "Installing systemd service..."; \

		install -Dm644 $(SYSTEMD_DIR)/$(PROJECT_NAME).service $(DESTDIR)$(SYSTEMD_INSTALL)/$(PROJECT_NAME).service; \

	fi

	@echo "Installation complete."

# Uninstall

uninstall:

	@echo "Uninstalling $(PROJECT_NAME)..."

	rm -f $(DESTDIR)$(BINDIR_INSTALL)/$(PROJECT_NAME)

	rm -f $(DESTDIR)$(SYSTEMD_INSTALL)/$(PROJECT_NAME).service

	@echo "Uninstall complete."

# Create systemd service file

systemd-service: $(SYSTEMD_DIR)/$(PROJECT_NAME).service

# Clean build artifacts

clean:

	@echo "Cleaning build artifacts..."

	rm -rf $(OBJDIR) $(BINDIR)

	rm -f $(PROTOCOL_HEADERS) $(PROTOCOL_SOURCES)

# Format source code (requires clang-format)

format:

	@echo "Formatting source code..."

	@find $(SRCDIR) $(INCDIR) -name "*.c" -o -name "*.h" | xargs clang-format -i

# Static analysis (requires cppcheck)

analyze:

	@echo "Running static analysis..."

	@cppcheck --enable=all --std=c11 --language=c \

		--include=$(INCDIR) \

		--suppress=missingIncludeSystem \

		--quiet \

		$(SRCDIR)

# Run tests

# FIXME: add tests

test: $(TARGET)

	@echo "Running tests..."

	@echo "Tests not implemented yet."

# Help target

help:

	@echo "Available targets:"

	@echo "  all             - Build the main executable (default)"

	@echo "  debug           - Build with debug symbols and sanitizers"

	@echo "  static          - Build statically linked executable"

	@echo "  check-deps      - Check if all dependencies are available"

	@echo "  install         - Install the executable and systemd service"

	@echo "  uninstall       - Remove installed files"

	@echo "  clean           - Remove build artifacts"

	@echo "  distclean       - Remove all generated files"

	@echo "  format          - Format source code (requires clang-format)"

	@echo "  analyze         - Run static analysis (requires cppcheck)"

	@echo "  test            - Run tests"

	@echo "  help            - Show this help message"

	@echo ""

	@echo "Examples:"

	@echo "  make                    # Build with default settings"

	@echo "  make debug              # Build debug version"

	@echo "  make PREFIX=/usr install # Install to /usr instead of /usr/local"

	@echo "  make CC=clang           # Use clang instead of gcc"

# Include dependency files

-include $(DEPENDS)

# Phony targets

.PHONY: all debug static check-deps install uninstall systemd-service sample-config clean distclean format analyze test help

# Print variables

print-%:

	@echo '$*=$($*)'