-if BUILD_JNI_INTERFACE
+JAVAROOT = .
+jarfile = liblttng-ust-java.jar
+jardir = $(datadir)/java
+pkgpath = org/lttng/ust
-AM_CPPFLAGS = -I$(top_srcdir)/include
+dist_noinst_JAVA = $(pkgpath)/LTTngUst.java
+jar_DATA = $(jarfile)
+BUILT_SOURCES = org_lttng_ust_LTTngUst.h
+AM_CPPFLAGS += -I$(builddir) -I$(srcdir) $(JNI_CPPFLAGS)
lib_LTLIBRARIES = liblttng-ust-java.la
liblttng_ust_java_la_SOURCES = LTTngUst.c lttng_ust_java.h
nodist_liblttng_ust_java_la_SOURCES = org_lttng_ust_LTTngUst.h
-dist_noinst_DATA = LTTngUst.java
-liblttng_ust_java_la_LIBADD = -lc -L$(top_builddir)/liblttng-ust/.libs -llttng-ust
-if HAVE_JAVA_JDK
-JCC=$(JAVA_JDK)/bin
-else
-JCC=javac
-endif
+liblttng_ust_java_la_LIBADD = -lc \
+ $(top_builddir)/liblttng-ust/liblttng-ust.la
-all: LTTngUst.class org_lttng_ust_LTTngUst.h liblttng-ust-java.jar
+$(jarfile): classnoinst.stamp
+ $(JAR) cf $(JARFLAGS) $@ $(pkgpath)/*.class
-clean-local:
- rm -f org_lttng_ust_LTTngUst.h
- rm -f liblttng-ust-java.jar
- rm -rf org/
+if !HAVE_JAVAH
+# If we don't have javah, assume we are running openjdk >= 10 and use javac
+# to generate the jni header file.
+AM_JAVACFLAGS = -h .
-LTTngUst.c: org_lttng_ust_LTTngUst.h
+org_lttng_ust_LTTngUst.h: $(jarfile)
+else
+org_lttng_ust_LTTngUst.h: jni-header.stamp
-LTTngUst.class: LTTngUst.java
- $(JCC)/javac -d "$(builddir)" "$(srcdir)/LTTngUst.java"
+jni-header.stamp: $(dist_noinst_JAVA)
+ $(JAVAH) -classpath $(srcdir) $(JAVAHFLAGS) org.lttng.ust.LTTngUst && \
+ echo "JNI header generated" > jni-header.stamp
+endif
-org_lttng_ust_LTTngUst.h: LTTngUst.class
- $(JCC)/javah org.lttng.ust.LTTngUst
+all-local: org_lttng_ust_LTTngUst.h
-liblttng-ust-java.jar: LTTngUst.class
- $(JCC)/jar cf liblttng-ust-java.jar org/*
+EXTRA_DIST = README
-endif
+CLEANFILES = $(jarfile) $(pkgpath)/*.class jni-header.stamp org_lttng_ust_LTTngUst.h