netty5/transport-native-unix-common/Makefile

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# Copyright 2016 The Netty Project
#
# The Netty Project licenses this file to you under the Apache License,
# version 2.0 (the "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at:
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
## GNU Makefile designed to build a static library which can be shared across multiple architectures.
## Input environment:
# CC - compiler (gcc or clang)
# AR - archiver (ar)
# JNI_PLATFORM - "linux" for linux and "darwin" for mac.
# LIB_DIR - where the static library will be built in
# OBJ_DIR - where the obj files will be built in (defaults to LIB_DIR)
# LIB_NAME - the name of the native library
SRC_DIR = src/main/c
SRC_INTERNAL_DIR = src/main/c/internal
UTIL_SRC_DIR = target/netty-jni-util
JNI_INCLUDE_DIR = $(JAVA_HOME)/include
JNI_INCLUDES = -I$(JNI_INCLUDE_DIR) -I$(JNI_INCLUDE_DIR)/$(JNI_PLATFORM)
LIB = $(LIB_DIR)/$(LIB_NAME).a
CFLAGS += $(JNI_INCLUDES) -I$(UTIL_SRC_DIR)
SRCS = $(wildcard $(SRC_DIR)/*.c)
UTIL_SRCS = $(wildcard $(UTIL_SRC_DIR)/*.c)
OBJS = $(SRCS:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o) $(UTIL_SRCS:$(UTIL_SRC_DIR)/%.c=$(OBJ_DIR)/%.o)
all: $(LIB)
$(LIB): $(OBJS)
mkdir -p $(LIB_DIR)
$(AR) rcs $(LIB) $^
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
mkdir -p $(OBJ_DIR)
$(CC) -o $@ -c $< $(CFLAGS)
$(OBJ_DIR)/%.o: $(UTIL_SRC_DIR)/%.c
mkdir -p $(OBJ_DIR)
$(CC) -o $@ -c $< $(CFLAGS)
clean:
rm -rf $(LIB_DIR) $(OBJ_DIR)
## Debug support
# use make print-VARIABLE name to see the value
print-% : ; @echo $* = $($*)