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.POSIX:
.SUFFIXES:
# Source code location and files to watch for changes.
SRC_DIR := src
SRC_MAIN := $(SRC_DIR)/main.c
SRC_APP := $(SRC_DIR)/app.c
WATCH_SRC := $(wildcard $(SRC_DIR)/*.c)
WATCH_SRC += $(wildcard $(SRC_DIR)/*.h)
# Output library names and executables.
BIN_NAME := app
LIB_NAME := libmic.so
BUILD_DIR := build
BIN := $(BUILD_DIR)/$(BIN_NAME)
LIB := $(BUILD_DIR)/$(LIB_NAME)
LIB_DIR := $(BUILD_DIR)
# Compiler and linker configuration.
CC := gcc
CFLAGS := -Wall -Wextra -pedantic -std=c99
LDFLAGS :=
LDLIBS :=
RELEASE_CFLAGS := -DNDEBUG -O2
DEBUG_CFLAGS := -DDEBUG -g
.PHONY: dynamic static clean run
# Setup debug/release builds.
# make clean && make <target> DEBUG=0
# make clean && make <target> DEBUG=1
DEBUG ?= 0
ifeq ($(DEBUG), 1)
CFLAGS += $(DEBUG_CFLAGS)
else
CFLAGS += $(RELEASE_CFLAGS)
endif
dynamic: CFLAGS += -fPIC
dynamic: CFLAGS += -DLIB_NAME=\"$(LIB_NAME)\"
dynamic: CFLAGS += -DLIB_DIR=\"$(LIB_DIR)\"
dynamic: LDFLAGS += -ldl
dynamic: $(BUILD_DIR) $(LIB) $(BIN)
static: SRC_MAIN += $(SRC_APP)
static: $(BUILD_DIR) $(BIN)
$(BIN): $(SRC_MAIN) $(WATCH_SRC)
$(CC) $(CFLAGS) $(LDFLAGS) -o $(BIN) $(SRC_MAIN) $(LDLIBS)
$(LIB): $(SRC_APP) $(WATCH_SRC)
$(CC) $(CFLAGS) -shared $(LDFLAGS) -o $@ $(SRC_APP) $(LDLIBS)
$(BUILD_DIR):
mkdir -p $(BUILD_DIR)
run: $(BIN)
exec $(BIN)
clean:
rm -r $(BUILD_DIR)
|
