Add a Log4j 2.x Java agent

[lttng-ust.git] / liblttng-ust-java-agent / java / lttng-ust-agent-log4j2 / Makefile.am

diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-log4j2/Makefile.am b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j2/Makefile.am
new file mode 100644 (file)
index 0000000..639ae53
--- /dev/null
+++ b/liblttng-ust-java-agent/java/lttng-ust-agent-log4j2/Makefile.am
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: LGPL-2.1-only
+
+JAVAROOT = .
+
+# Add the UST agent common jar to the classpath
+AM_JAVACFLAGS = -classpath $(CLASSPATH):$(builddir)/../lttng-ust-agent-common/lttng-ust-agent-common.jar
+
+# Process the log4j2 annotations of our custom appender
+AM_JAVACFLAGS += -processor org.apache.logging.log4j.core.config.plugins.processor.PluginProcessor
+
+pkgpath = org/lttng/ust/agent/log4j2
+
+jarfile_version = 1.0.0
+jarfile_manifest = $(srcdir)/Manifest.txt
+jarfile_symlink = lttng-ust-agent-log4j2.jar
+jarfile = lttng-ust-agent-log4j2-$(jarfile_version).jar
+
+jardir = $(datadir)/java
+
+log4jjniout = ../../jni/log4j
+
+dist_noinst_JAVA = \
+       $(pkgpath)/LttngLog4j2Agent.java \
+       $(pkgpath)/LttngLog4j2Api.java \
+       $(pkgpath)/LttngLogAppender.java
+
+dist_noinst_DATA = $(jarfile_manifest)
+
+jar_DATA = $(jarfile)
+
+classes = $(pkgpath)/*.class
+
+$(jarfile): classnoinst.stamp
+       $(JAR) cfm $(JARFLAGS) $@ $(jarfile_manifest) META-INF $(classes) && rm -f $(jarfile_symlink) && $(LN_S) $@ $(jarfile_symlink)
+
+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 $(log4jjniout)
+else
+log4j-jni-header.stamp: $(dist_noinst_JAVA)
+       $(JAVAH) -classpath $(CLASSPATH):$(srcdir) -d $(log4jjniout) $(JAVAHFLAGS) org.lttng.ust.agent.log4j2.LttngLog4j2Api && \
+       echo "Log4j JNI header generated" > log4j-jni-header.stamp
+
+all-local: log4j-jni-header.stamp
+endif
+
+install-data-hook:
+       cd $(DESTDIR)/$(jardir) && rm -f $(jarfile_symlink) && $(LN_S) $(jarfile) $(jarfile_symlink)
+
+uninstall-hook:
+       cd $(DESTDIR)/$(jardir) && rm -f $(jarfile_symlink)
+
+clean-local:
+       rm -rf META-INF
+
+CLEANFILES = *.jar \
+       $(classes) \
+       log4j-jni-header.stamp \
+       $(log4jjniout)/org_lttng_ust_agent_log4j2_LttngLog4j2Api.h