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Makefile
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SHELL=/bin/bash
CXX=g++
NAME:=libsocket-can-java
## Recognize OS in order to allow some make-targets to also run
## on MacOS:
UNAME_S := $(shell uname -s)
ifeq ($(UNAME_S),Darwin)
JAVA_HOME=/usr
SKIPJAVAHOME=true
endif
### JAVA_HOME
ifndef SKIPJAVAHOME
JAVA_HOME=$(shell readlink -f /usr/bin/javac | sed "s:bin/javac::")
endif
##JAVA_HOME=/usr
JAVA_INCLUDES=-I$(JAVA_HOME)/include/linux -I$(JAVA_HOME)/include
JAVA=$(JAVA_HOME)/bin/java
JAVAC=$(JAVA_HOME)/bin/javac
JAVAH=$(JAVA_HOME)/bin/javac
JAR=$(JAVA_HOME)/bin/jar
JAVA_SRC:=$(shell find src -type f -and -name '*.java')
JAVA_TEST_SRC:=$(shell find src.test -type f -and -name '*.java')
JNI_SRC:=$(shell find jni -type f -and -regex '^.*\.\(cpp\|h\)$$')
JAVA_DEST=classes
JAVA_TEST_DEST=classes.test
LIB_DEST=lib
JAR_DEST=dist
JAR_DEST_FILE=$(JAR_DEST)/$(NAME).jar
JAR_MANIFEST_FILE=META-INF/MANIFEST.MF
DIRS=stamps obj $(JAVA_DEST) $(JAVA_TEST_DEST) $(LIB_DEST) $(JAR_DEST)
JNI_DIR=jni
JNI_CLASSES=src/org/waal70/canbus/CanSocket.java
JAVAC_FLAGS=-g -Xlint:all
CXXFLAGS=-I./include -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions \
-fstack-protector --param=ssp-buffer-size=4 -fPIC -Wno-unused-parameter \
-pedantic -D_REENTRANT -D_GNU_SOURCE \
$(JAVA_INCLUDES)
SONAME=jni_socketcan
LDFLAGS=-Wl,-soname,$(SONAME)
REMOTE=169.254.23.187#192.168.29.250#
REMOTEDIR=/home/awaal/libsocket-can-java
LOCALINCLUDE=../VolvoCANBUS/src/main/resources/lib
.DEFAULT_GOAL := all
.LIBPATTERNS :=
.SUFFIXES:
.PHONY: all
all: stamps/create-jar stamps/compile-test
.PHONY: clean
clean:
$(RM) -r $(DIRS) $(STAMPS) $(filter %.h,$(JNI_SRC))
$(RM) -r $(JNI_DIR)/*.h
$(RM) -r $(JNI_DIR)/*.gch
stamps/dirs:
mkdir $(DIRS)
@touch $@
stamps/compile-src: stamps/dirs $(JAVA_SRC)
$(JAVAC) $(JAVAC_FLAGS) -d $(JAVA_DEST) $(sort $(JAVA_SRC))
@touch $@
stamps/compile-test: stamps/compile-src $(JAVA_TEST_SRC)
$(JAVAC) $(JAVAC_FLAGS) -cp $(JAVA_DEST) -d $(JAVA_TEST_DEST) \
$(sort $(JAVA_TEST_SRC))
@touch $@
stamps/generate-jni-h: stamps/compile-src
##Dirty hack. JAVAH is deprecated, is now javac -h
##Commands are different, changed it to the following:
$(JAVAH) -h jni -classpath $(JAVA_DEST) \
$(JNI_CLASSES)
@touch $@
stamps/compile-jni: stamps/generate-jni-h $(JNI_SRC)
$(CXX) $(CXXFLAGS) $(LDFLAGS) -shared -o $(LIB_DEST)/lib$(SONAME).so \
$(sort $(filter %.cpp,$(JNI_SRC)))
@touch $@
stamps/create-jar: stamps/compile-jni $(JAR_MANIFEST_FILE)
$(JAR) cMf $(JAR_DEST_FILE) $(JAR_MANIFEST_FILE) lib -C $(JAVA_DEST) .
@touch $@
stamps/pi-xfer: clean
## This target transfers the source files to the remote
## After this, it is possible to do a remote make via
## the target pi-build
## Pre-req: make sure the local key-pair is also
## allowed on the pi:
## on local machine (in ~/.ssh): ssh-keygen -t rsa
## cat id_rsa.pub | ssh <user>@$(REMOTE) ' cat >>.ssh/authorized_keys'
## ssh-keyscan $(REMOTE) >> ~/.ssh/known_hosts
ssh $(REMOTE) 'mkdir -p '$(REMOTEDIR)''
scp -r ./* $(REMOTE):$(REMOTEDIR)
stamps/pi-build: stamps/pi-xfer
ssh $(REMOTE) 'make clean --directory=$(REMOTEDIR)'
ssh $(REMOTE) 'make --directory=$(REMOTEDIR)'
stamps/pi2local-xfer: stamps/pi-build
## This target takes the native library (.so) and the
## JAVA classes (creates a jar) and transfers them
## to the local filesystem
## Prepare a local folder:
mkdir -p lib
## Transfer the native library to the local project:
scp $(REMOTE):$(REMOTEDIR)/$(LIB_DEST)/lib$(SONAME).so $(LIB_DEST)/lib$(SONAME).so
## Transfer the native library to the local JAVA project that uses it:
mkdir -p $(LOCALINCLUDE)
scp $(REMOTE):$(REMOTEDIR)/$(LIB_DEST)/lib$(SONAME).so $(LOCALINCLUDE)/lib$(SONAME).so
## Create a (non-executable) jar file from all compiled JAVA source:
##ssh $(REMOTE) 'jar cvf libsocket.jar -C $(REMOTEDIR)/bin .'
## Copy classes to local JAVA project:
##scp -r $(REMOTE):$(REMOTEDIR)/bin/org ../VolvoCANBUS/target/classes
## Transfer the jar file to the local JAVA project that uses it:
##scp $(REMOTE):$(REMOTEDIR)/libsocket.jar $(LOCALINCLUDE)/libsocket.jar
.PHONY: check
check: stamps/create-jar stamps/compile-test
$(JAVA) -ea -cp $(JAR_DEST_FILE):$(JAVA_TEST_DEST) \
-Xcheck:jni \
org.waal70.canbus.CanSocketTest