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