Makefile for Vulkan Compute Library

Compiles GLSL compute shaders to SPIR-V and builds the C library

{{{ Directory paths

DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
SRC_DIR := $(DIR)/src
SHADER_DIR := $(DIR)/shaders
BUILD_DIR := $(DIR)/build
INCLUDE_DIR := $(DIR)/include

}}}

{{{ Compiler settings

CC := gcc
CFLAGS := -Wall -Wextra -O2 -I$(INCLUDE_DIR) -fPIC
LDFLAGS := -lvulkan -pthread
GLSLC := glslangValidator

}}}

{{{ Source and target files

C_SOURCES := $(SRC_DIR)/vk_compute.c $(SRC_DIR)/vk_diversity.c $(SRC_DIR)/vk_similarity.c
C_OBJECTS := $(patsubst $(SRC_DIR)/%.c,$(BUILD_DIR)/%.o,$(C_SOURCES))
SHADER_SOURCES := $(wildcard $(SHADER_DIR)/*.comp)
SHADER_SPIRV := $(patsubst $(SHADER_DIR)/%.comp,$(BUILD_DIR)/%.spv,$(SHADER_SOURCES))

}}}

{{{ Build targets

.PHONY: all clean shaders library shared test

all: shaders library shared

Compile GLSL shaders to SPIR-V

shaders: $(SHADER_SPIRV)

$(BUILD_DIR)/%.spv: $(SHADER_DIR)/%.comp
@mkdir -p $(BUILD_DIR)
$(GLSLC) -V $< -o $@
@echo "Compiled shader: $< -> $@"

Build static library

library: $(BUILD_DIR)/libvkcompute.a

$(BUILD_DIR)/libvkcompute.a: $(C_OBJECTS)
ar rcs $@ $^
@echo "Built library: $@"

Build shared library target

shared: $(BUILD_DIR)/libvkcompute.so

$(BUILD_DIR)/%.o: $(SRC_DIR)/%.c
@mkdir -p $(BUILD_DIR)
$(CC) $(CFLAGS) -c $< -o $@

Build shared library (for dynamic linking)

$(BUILD_DIR)/libvkcompute.so: $(C_OBJECTS)
$(CC) -shared $(C_OBJECTS) $(LDFLAGS) -o $@
@echo "Built shared library: $@"

Clean build artifacts

clean:
rm -rf $(BUILD_DIR)/.o $(BUILD_DIR)/.a $(BUILD_DIR)/.so $(BUILD_DIR)/.spv
@echo "Cleaned build directory"

}}}

{{{ Install targets

install: all
@echo "Installing Vulkan compute library..."
@mkdir -p /usr/local/lib
@mkdir -p /usr/local/include
@cp $(BUILD_DIR)/libvkcompute.a /usr/local/lib/
@cp $(INCLUDE_DIR)/vk_compute.h /usr/local/include/
@echo "Installed to /usr/local"

}}}