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.POSIX:
.SUFFIXES:
# Source code location and files to watch for changes.
SRC_DIR := src
BUILD_DIR := build
SRC_MAIN := $(SRC_DIR)/main.c $(SRC_DIR)/glad/src/glad.c
WATCH_SRC := $(shell find $(SRC_DIR) -name "*.c" -or -name "*.s" -or -name "*.h")
INC_DIRS := $(shell find $(SRC_DIR) -type d)
INC_FLAGS := $(addprefix -I,$(INC_DIRS))
# Output executable.
TARGET := ogl
BIN := $(BUILD_DIR)/$(TARGET)
# Compiler and linker configuration.
CC := cc
CFLAGS := -std=c99 -Wall -Wextra -DBIN_NAME=\"$(TARGET)\" -Wno-missing-braces
CFLAGS += $(INC_FLAGS)
NASM_FLAGS ?= -felf64
LDFLAGS :=
LDLIBS := -lglfw -lGL
RELEASE_CFLAGS := -DNDEBUG -O2
DEBUG_CFLAGS := -DDEBUG -O0 -g
.PHONY: build tests clean
# Setup debug/release builds.
# make clean && make <target> DEBUG=0
# make clean && make <target> DEBUG=1
DEBUG ?= 0
ifeq ($(DEBUG), 1)
CFLAGS += $(DEBUG_CFLAGS)
NASM_FLAGS += -g -F dwarf
else ifeq ($(DEBUG), 2)
CFLAGS += $(DEBUG_CFLAGS) -fsanitize=address
NASM_FLAGS += -g -F dwarf
else
CFLAGS += $(RELEASE_CFLAGS)
endif
main: $(BIN)
$(BIN): $(SRC_MAIN) $(WATCH_SRC) $(BUILD_DIR)
$(CC) $(CFLAGS) $(LDFLAGS) -o $(BIN) $(SRC_MAIN) $(LDLIBS)
# Create build directory if needed.
$(BUILD_DIR):
mkdir -p $(BUILD_DIR)
run: $(BIN)
$(BIN) example.bdl
# Remove build directory.
clean:
rm -rf $(BUILD_DIR)
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