makefile

MAKEFLAGS = -j$(nproc)
CC = g++
# ★ Audit-Performance 29.08.: stand auf -O (= -O1). Der gesamte Host-Aufbau -- Voxelierung,
# baue_facetten, Remesh -- laeuft einkernig; bei 4 mm sind das Minuten. -O2 aendert die
# FP-Semantik nicht (kein -ffast-math, kein -march=native, also auch keine FMA-Kontraktion
# auf der x86-64-Grundlinie). Gegenprobe ist der Bitanker: FELD-HASH muss gleich bleiben.
CFLAGS = -std=c++17 -pthread -O2 -Wno-comment

.PHONY: no-target
no-target:
	@echo "\033[91mError\033[0m: Please select one of these targets: make Linux-X11, make Linux, make macOS, make Android"

Linux-X11 Linux macOS Android: LDFLAGS_OPENCL = -I./src/OpenCL/include

Linux-X11 Linux: LDLIBS_OPENCL = -L./src/OpenCL/lib -lOpenCL
macOS: LDLIBS_OPENCL = -framework OpenCL
Android: LDLIBS_OPENCL = -L/system/vendor/lib64 -lOpenCL

Linux-X11: LDFLAGS_X11 = -I./src/X11/include
macOS: LDFLAGS_X11 = -I/opt/X11/include
Linux Android: LDFLAGS_X11 =

Linux-X11: LDLIBS_X11 = -L./src/X11/lib -lX11 -lXrandr
macOS: LDLIBS_X11 = -L/opt/X11/lib -lX11 -lXrandr
Linux Android: LDLIBS_X11 =

Linux-X11 Linux macOS Android: bin/FluidX3D

bin/FluidX3D: temp/graphics.o temp/info.o temp/kernel.o temp/lbm.o temp/lodepng.o temp/main.o temp/setup.o temp/shapes.o temp/bau_id.o make.sh
	@mkdir -p bin
	$(CC) temp/*.o -o bin/FluidX3D $(CFLAGS) $(LDFLAGS_OPENCL) $(LDLIBS_OPENCL) $(LDFLAGS_X11) $(LDLIBS_X11)

# ★ 05.10.2026 BAU-FINGERABDRUCK (Pruefbefund FLAGS4 M1): Commit + dirty-Flag + Diff-sha1 ins Binary, Ausgabe in Lauflog und
# code/LAUF.txt (setup.cpp sichere_lauf). Das Skript laeuft bei JEDEM make, schreibt temp/bau_id.cpp aber nur bei geaendertem
# Inhalt neu -- unveraenderter Stand linkt nicht neu.
.PHONY: bau_id_pruefen
temp/bau_id.cpp: bau_id_pruefen
	@mkdir -p temp
	@bash werkzeuge/bau_id.sh temp/bau_id.cpp

temp/bau_id.o: temp/bau_id.cpp
	$(CC) -c temp/bau_id.cpp -o temp/bau_id.o $(CFLAGS)

temp/graphics.o: src/graphics.cpp src/defines.hpp src/graphics.hpp src/lodepng.hpp src/utilities.hpp make.sh
	@mkdir -p temp
	$(CC) -c src/graphics.cpp -o temp/graphics.o $(CFLAGS) $(LDFLAGS_X11)

temp/info.o: src/info.cpp src/defines.hpp src/graphics.hpp src/info.hpp src/lbm.hpp src/lodepng.hpp src/opencl.hpp src/units.hpp src/utilities.hpp make.sh
	@mkdir -p temp
	$(CC) -c src/info.cpp -o temp/info.o $(CFLAGS) $(LDFLAGS_OPENCL)

temp/kernel.o: src/kernel.cpp src/kernel.hpp src/lodepng.hpp src/utilities.hpp
	@mkdir -p temp
	$(CC) -c src/kernel.cpp -o temp/kernel.o $(CFLAGS)

temp/lbm.o: src/lbm.cpp src/defines.hpp src/graphics.hpp src/info.hpp src/lbm.hpp src/lodepng.hpp src/opencl.hpp src/units.hpp src/utilities.hpp make.sh
	@mkdir -p temp
	$(CC) -c src/lbm.cpp -o temp/lbm.o $(CFLAGS) $(LDFLAGS_OPENCL)

temp/lodepng.o: src/lodepng.cpp src/lodepng.hpp
	@mkdir -p temp
	$(CC) -c src/lodepng.cpp -o temp/lodepng.o $(CFLAGS)

temp/main.o: src/main.cpp src/defines.hpp src/graphics.hpp src/info.hpp src/lbm.hpp src/lodepng.hpp src/opencl.hpp src/setup.hpp src/shapes.hpp src/units.hpp src/utilities.hpp make.sh
	@mkdir -p temp
	$(CC) -c src/main.cpp -o temp/main.o $(CFLAGS) $(LDFLAGS_OPENCL)

temp/setup.o: src/setup.cpp src/defines.hpp src/graphics.hpp src/info.hpp src/lbm.hpp src/lodepng.hpp src/opencl.hpp src/setup.hpp src/shapes.hpp src/units.hpp src/utilities.hpp make.sh
	@mkdir -p temp
	$(CC) -c src/setup.cpp -o temp/setup.o $(CFLAGS) $(LDFLAGS_OPENCL)

temp/shapes.o: src/shapes.cpp src/shapes.hpp src/utilities.hpp make.sh
	@mkdir -p temp
	$(CC) -c src/shapes.cpp -o temp/shapes.o $(CFLAGS) $(LDFLAGS_OPENCL)

.PHONY: clean
clean:
	@rm -rf temp bin/FluidX3D