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Yuan Liao
a1c2381aa8
Signed-off-by: Yuan Liao <liaoyuan@gmail.com> Closes: https://github.com/gentoo/gentoo/pull/24164 Signed-off-by: Miroslav Šulc <fordfrog@gentoo.org>
48 lines
1.5 KiB
Plaintext
48 lines
1.5 KiB
Plaintext
# Gentoo custom Makefile for the JNI portion of lz4-java
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#
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# Adapted from the logic for target "compile-jni" in build.xml,
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# but uses lz4 installed on the system. This Makefile respects
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# custom CFLAGS and LDFLAGS settings, whereas build.xml does not.
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# Java system properties read by build.xml
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PLATFORM ?= linux
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SRC ?= src
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BUILD ?= build
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JAVA_HOME ?=
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# Requires lz4-java-*-print-os-props.patch
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OS_ARCH := $(shell ant os-props 2>&1 > /dev/null && \
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grep 'os\.arch=' os.properties | sed -e 's/os\.arch=//')
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MKDIR_P = mkdir -p
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SRC_DIR := $(SRC)/jni
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OBJS_DIR_PREFIX := $(BUILD)/objects
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OBJS_DIR := $(OBJS_DIR_PREFIX)/$(SRC_DIR)
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OUT_DIR := $(BUILD)/jni/net/jpountz/util/$(PLATFORM)/$(OS_ARCH)
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SRC_FILES := $(wildcard $(SRC_DIR)/*.c)
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OBJS := $(addprefix $(OBJS_DIR_PREFIX)/,$(SRC_FILES:.c=.o))
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SONAME = liblz4-java.so
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# C compiler arguments may be obtained by running 'ant -v compile-jni',
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# as long as dev-java/cpptasks is in the classpath
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CFLAGS := -fPIC $(CFLAGS)
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$(OUT_DIR)/$(SONAME): $(OBJS) | $(OUT_DIR)
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# '-llz4' must be listed after this package's objects
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# https://wiki.gentoo.org/wiki/Project:Quality_Assurance/As-needed#Importance_of_linking_order
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$(CC) $(CFLAGS) -shared $(LDFLAGS) -Wl,-soname,$(SONAME) -o $@ $^ -llz4
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$(OBJS_DIR_PREFIX)/%.o: %.c | $(OBJS_DIR)
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$(CC) $(CFLAGS) -c -o $@ \
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-I$(JAVA_HOME)/../include -I$(JAVA_HOME)/../include/$(PLATFORM) \
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-I$(JAVA_HOME)/include -I$(JAVA_HOME)/include/$(PLATFORM) \
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-I$(BUILD)/jni-headers \
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$<
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$(OUT_DIR):
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$(MKDIR_P) $@
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$(OBJS_DIR):
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$(MKDIR_P) $@
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