Makefile.linux

#==============================================================================
# px4xplane - Linux Native Makefile
# X-Plane Plugin for PX4 SITL Integration
# Repository: alireza787b/px4xplane
#
# Requirements: GCC 7+ or Clang 6+, GNU Make
# Build: make -f Makefile.linux
# Clean: make -f Makefile.linux clean
#==============================================================================

#==============================================================================
# Configuration
#==============================================================================

# Project name
PROJECT := px4xplane
VERSION := 2.5.2

# Compiler
CXX := g++
AR := ar

# Build type (Release or Debug)
BUILD_TYPE ?= Release

# Directories
SRC_DIR := src
INCLUDE_DIR := include
LIB_DIR := lib
BUILD_DIR := build/linux/$(shell echo $(BUILD_TYPE) | tr A-Z a-z)
OBJ_DIR := $(BUILD_DIR)/obj
OUTPUT_DIR := $(BUILD_DIR)/px4xplane/64

# Output
TARGET := $(OUTPUT_DIR)/lin.xpl

#==============================================================================
# Source Files
#==============================================================================

SOURCES := \
	$(SRC_DIR)/ConfigManager.cpp \
	$(SRC_DIR)/configReader.cpp \
	$(SRC_DIR)/ConnectionManager.cpp \
	$(SRC_DIR)/ConnectionStatusHUD.cpp \
	$(SRC_DIR)/DataRefManager.cpp \
	$(SRC_DIR)/MAVLinkManager.cpp \
	$(SRC_DIR)/px4xplane.cpp \
	$(SRC_DIR)/TimeManager.cpp \
	$(SRC_DIR)/UIConstants.cpp \
	$(SRC_DIR)/UIHandler.cpp

OBJECTS := $(SOURCES:$(SRC_DIR)/%.cpp=$(OBJ_DIR)/%.o)

#==============================================================================
# Include Paths
#==============================================================================

INCLUDES := \
	-I$(INCLUDE_DIR) \
	-I$(LIB_DIR)/SDK/CHeaders/XPLM \
	-I$(LIB_DIR)/SDK/CHeaders/Widgets \
	-I$(LIB_DIR)/mavlink/c_library_v2 \
	-I$(LIB_DIR)/mavlink/c_library_v2/common \
	-I$(LIB_DIR)/mavlink/c_library_v2/all \
	-I$(LIB_DIR)/simpleini \
	-I$(LIB_DIR)/Eigen \
	-I$(LIB_DIR)/XYZgeomag/src \
	-Iconfig

#==============================================================================
# Compiler Flags
#==============================================================================

# Platform definitions
DEFINES := \
	-DLIN=1 \
	-DXPLM200=1 \
	-DXPLM210=1 \
	-DXPLM300=1 \
	-DXPLM301=1 \
	-DXPLM302=1 \
	-DXPLM303=1 \
	-DXPLM400=1

# Base flags
CXXFLAGS := -std=c++17 -fPIC -fvisibility=hidden -Wall -Wextra

# Build type specific flags
ifeq ($(BUILD_TYPE),Release)
	CXXFLAGS += -O3 -DNDEBUG
else ifeq ($(BUILD_TYPE),Debug)
	CXXFLAGS += -g -O0 -D_DEBUG
else
	$(error Invalid BUILD_TYPE: $(BUILD_TYPE). Use Release or Debug)
endif

# Combine all flags
CXXFLAGS += $(DEFINES) $(INCLUDES)

#==============================================================================
# Linker Flags
#==============================================================================

# X-Plane SDK libraries
SDK_LIBS := \
	-L$(LIB_DIR)/SDK/Libraries/Lin \
	$(LIB_DIR)/SDK/Libraries/Lin/XPLM_64.so \
	$(LIB_DIR)/SDK/Libraries/Lin/XPWidgets_64.so

# System libraries
SYS_LIBS := -lGL -lm -lpthread

# Linker flags
LDFLAGS := -shared -rdynamic -nodefaultlibs -undefined_warning

# Combine all libraries
LIBS := $(SDK_LIBS) $(SYS_LIBS)

#==============================================================================
# Build Targets
#==============================================================================

.PHONY: all clean install info

# Default target
all: info $(TARGET) post_build

# Build info
info:
	@echo "=================================================="
	@echo "  px4xplane v$(VERSION) - Linux Build"
	@echo "=================================================="
	@echo "Platform:     Linux (x86_64)"
	@echo "Compiler:     $(CXX) $(shell $(CXX) -dumpversion 2>/dev/null || echo 'unknown')"
	@echo "Build Type:   $(BUILD_TYPE)"
	@echo "Output:       $(TARGET)"
	@echo "=================================================="
	@echo ""

# Link target
$(TARGET): $(OBJECTS) | $(OUTPUT_DIR)
	@echo "Linking $@..."
	$(CXX) $(LDFLAGS) -o $@ $(OBJECTS) $(LIBS)
	@echo "✓ Build successful: $@"

# Compile source files
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp | $(OBJ_DIR)
	@echo "Compiling $<..."
	$(CXX) $(CXXFLAGS) -c $< -o $@

# Create directories
$(OUTPUT_DIR):
	@mkdir -p $(OUTPUT_DIR)

$(OBJ_DIR):
	@mkdir -p $(OBJ_DIR)

#==============================================================================
# Post-Build: Copy Resources
#==============================================================================

post_build: $(TARGET)
	@echo ""
	@echo "Copying resources..."
	@mkdir -p $(BUILD_DIR)/px4xplane
	@if [ -f config/config.ini ]; then \
		cp config/config.ini $(BUILD_DIR)/px4xplane/; \
		echo "✓ Copied config.ini"; \
	fi
	@if [ -f README.md ]; then \
		cp README.md $(BUILD_DIR)/px4xplane/; \
		echo "✓ Copied README.md"; \
	fi
	@if [ -d config/px4_params ]; then \
		cp -r config/px4_params $(BUILD_DIR)/px4xplane/; \
		echo "✓ Copied PX4 parameter files"; \
	fi
	@echo ""
	@echo "=================================================="
	@echo "  Build Complete!"
	@echo "=================================================="
	@echo "Plugin location: $(BUILD_DIR)/px4xplane/"
	@echo ""
	@echo "To install to X-Plane:"
	@echo "  cp -r $(BUILD_DIR)/px4xplane /path/to/X-Plane/Resources/plugins/"
	@echo "=================================================="

#==============================================================================
# Clean
#==============================================================================

clean:
	@echo "Cleaning build artifacts..."
	rm -rf $(BUILD_DIR)
	@echo "✓ Clean complete"

#==============================================================================
# Install (Optional - modify XPLANE_DIR as needed)
#==============================================================================

XPLANE_DIR ?= $(HOME)/X-Plane\ 12

install: $(TARGET)
	@echo "Installing to X-Plane..."
	@if [ ! -d "$(XPLANE_DIR)/Resources/plugins" ]; then \
		echo "Error: X-Plane directory not found at $(XPLANE_DIR)"; \
		echo "Set XPLANE_DIR=/path/to/xplane and try again"; \
		exit 1; \
	fi
	mkdir -p "$(XPLANE_DIR)/Resources/plugins/px4xplane/64"
	cp $(TARGET) "$(XPLANE_DIR)/Resources/plugins/px4xplane/64/"
	cp config/config.ini "$(XPLANE_DIR)/Resources/plugins/px4xplane/"
	@echo "✓ Installation complete"

#==============================================================================
# Debug Information
#==============================================================================

# Print all variables (for debugging makefile)
print-%:
	@echo '$*=$($*)'

# Show detailed build info
verbose: info
	@echo "Sources:"
	@for src in $(SOURCES); do echo "  $$src"; done
	@echo ""
	@echo "Objects:"
	@for obj in $(OBJECTS); do echo "  $$obj"; done
	@echo ""
	@echo "CXXFLAGS:"
	@echo "  $(CXXFLAGS)" | tr ' ' '\n' | sed 's/^/  /'
	@echo ""
	@echo "LDFLAGS:"
	@echo "  $(LDFLAGS)"
	@echo ""
	@echo "LIBS:"
	@echo "  $(LIBS)" | tr ' ' '\n' | sed 's/^/  /'