Fix jni build

java/Makefile

@@ -5,13 +5,15 @@ include config.mk
 
 all:
 	$(JAVAC) $(JAVACFLAGS) $(JAVASRC)/*.java examples/Test.java
-	cd src/main/java && jar cvf ../../../r2pipe.jar org
+	$(MAKE) mvn
+#	cd src/main/java && jar cvf ../../../r2pipe.jar org
 #	$(MAKE) -C jni
 	$(MAKE) -C examples
 
 m mvn maven:
 	mvn clean compile
 	mvn install
+	cp target/*.jar .
 
 run:
 	$(MAKE) -C examples run

java/jni/Makefile

@@ -1,14 +1,30 @@
-OUT=libr2pipe-jni.jnilib
+EXT_SO=$(shell r2 -H R2_LIBEXT)
+OUT=libr2pipe-jni.$(EXT_SO)
 JVH=org_radare_r2pipe_R2PipeJNI.h
 
-JNIFLAGS+=-I /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/JavaVM.framework/Headers/
-JNIFLAGS+=-I /System/Library/Frameworks/JavaVM.framework/Headers/
+JAVA_HOME?=$(shell /usr/libexec/java_home)
+ifeq ($(JAVA_HOME),)
+JAVA_HOME ?= $(shell dirname $(shell dirname $(shell readlink -f $(shell which javac))))
+endif
+JNI_INCLUDE = -I$(JAVA_HOME)/include
+ifeq ($(shell uname),Darwin)
+JNI_INCLUDE+= -I$(JAVA_HOME)/include/darwin
+else
+JNI_INCLUDE+= -I$(JAVA_HOME)/include/linux
+endif
+
+JNIFLAGS+=$(JNI_INCLUDE)
+# /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/JavaVM.framework/Headers/
+# JNIFLAGS+=-I /System/Library/Frameworks/JavaVM.framework/Headers/
 
 all: $(JVH)
-	$(CC) -o $(OUT) -dynamiclib -fPIC $(JNIFLAGS) r2pipe-jni.c -framework JavaVM
+	$(CC) -o $(OUT) -dynamiclib -fPIC $(JNIFLAGS) r2pipe-jni.c
+#	-framework JavaVM
 
 $(JVH): ../src/main/java/org/radare/r2pipe/R2PipeJNI.class
-	javah -cp ../r2pipe.jar -d . org.radare.r2pipe.R2PipeJNI
+	javac -h . -d . ../src/main/java/org/radare/r2pipe/R2PipeJNI.java
+#javac -h . org.radare.r2pipe.R2PipeJNI
+# javah -cp ../r2pipe.jar -d . org.radare.r2pipe.R2PipeJNI
 
 clean:
 	rm -f $(JVH) $(OUT)

java/jni/r2pipe-jni.c

@@ -1,4 +1,4 @@
-/* jni interface for r2pipe -- pancake 2016 */
+/* jni interface for r2pipe -- pancake 2016-2024 */
 
 #include "org_radare_r2pipe_R2PipeJNI.h"
 #include <string.h>