Add a Log4j 2.x Java agent

[lttng-ust.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 7493f62be6a2541b2cce29ad830d4d925c36a36d..ba4c85559ad4037c0dd4d9da3c3ed361efcbddb5 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -345,10 +345,15 @@ AE_FEATURE([jni-interface], [build JNI interface between C and Java])
 AE_FEATURE_DEFAULT_DISABLE
 AE_FEATURE([java-agent-jul],[build the LTTng UST Java agent with JUL support])
 
-# Build the Java Log4j agent
+# Build the Java Log4j 1.x agent
 # Disabled by default
 AE_FEATURE_DEFAULT_DISABLE
-AE_FEATURE([java-agent-log4j],[build the LTTng UST Java agent with Log4j support])
+AE_FEATURE([java-agent-log4j],[build the LTTng UST Java agent with Log4j 1.x support (deprecated)])
+
+# Build the Java Log4j 2.x agent
+# Disabled by default
+AE_FEATURE_DEFAULT_DISABLE
+AE_FEATURE([java-agent-log4j2],[build the LTTng UST Java agent with Log4j 2.x support])
 
 # Build both Java agents
 # Disabled by default
@@ -397,6 +402,7 @@ AE_IF_FEATURE_DISABLED([shared], [
 AE_IF_FEATURE_ENABLED([java-agent-all], [
   AE_FEATURE_ENABLE([java-agent-jul])
   AE_FEATURE_ENABLE([java-agent-log4j])
+  AE_FEATURE_ENABLE([java-agent-log4j2])
 ])
 
 
@@ -418,7 +424,8 @@ argument to disable NUMA support.
 ])
 
 # The JNI interface and Java Agents require a working Java JDK
-AS_IF([AE_IS_FEATURE_ENABLED([jni-interface]) || AE_IS_FEATURE_ENABLED([java-agent-jul]) || AE_IS_FEATURE_ENABLED([java-agent-log4j])], [
+AS_IF([AE_IS_FEATURE_ENABLED([jni-interface]) || AE_IS_FEATURE_ENABLED([java-agent-jul]) || \
+    AE_IS_FEATURE_ENABLED([java-agent-log4j]) || AE_IS_FEATURE_ENABLED([java-agent-log4j2])], [
   AX_PROG_JAVAC
   AX_PROG_JAVA
   AX_PROG_JAR
@@ -436,7 +443,7 @@ AS_IF([AE_IS_FEATURE_ENABLED([jni-interface]) || AE_IS_FEATURE_ENABLED([java-age
   CPPFLAGS="$saved_CPPFLAGS"
 ])
 
-# The log4j agent requires the log4j jar in the classpath
+# The log4j 1.x agent requires the log4j jar in the classpath
 AE_IF_FEATURE_ENABLED([java-agent-log4j], [
   AX_CHECK_CLASS([org.apache.log4j.Logger])
   AS_IF([test "x$ac_cv_class_org_apache_log4j_Logger" = "xno"], [
@@ -450,6 +457,21 @@ Current CLASSPATH: "$CLASSPATH"
   ])
 ])
 
+# The log4j 2.x agent requires the log4j core and api jars in the classpath
+AE_IF_FEATURE_ENABLED([java-agent-log4j2], [
+  AX_CHECK_CLASS([org.apache.logging.log4j.Logger])
+  AX_CHECK_CLASS([org.apache.logging.log4j.core.Core])
+  AS_IF([test "x$ac_cv_class_org_apache_logging_log4j_Logger" = "xno" || test "x$ac_cv_class_org_apache_logging_log4j_core_Core" = "xno"], [
+    AC_MSG_ERROR([dnl
+The UST Java agent support for log4j was requested but the Log4j classes were
+not found. Please specify the location of the Log4j API and core 2.x jars via the Java CLASSPATH
+environment variable, e.g. ./configure CLASSPATH="/path/to/log4j-core.jar:/path/to/log4j-api.jar"
+
+Current CLASSPATH: "$CLASSPATH"
+    ])
+  ])
+])
+
 # The python agent requires a python interpreter
 AE_IF_FEATURE_ENABLED([python-agent], [
   AS_IF([test "x$PYTHON" = "x"], [
@@ -528,9 +550,11 @@ AC_DEFINE([LTTNG_UST_CTL_LIB_SONAME_MAJOR], [ust_ctl_lib_version_current], [Majo
 
 AM_CONDITIONAL([ENABLE_EXAMPLES], AE_IS_FEATURE_ENABLED([examples]))
 AM_CONDITIONAL([ENABLE_GEN_TP_EXAMPLES], [test "x$PYTHON" != "x"])
-AM_CONDITIONAL([ENABLE_JAVA_AGENT], AE_IS_FEATURE_ENABLED([java-agent-jul]) || AE_IS_FEATURE_ENABLED([java-agent-log4j]))
+AM_CONDITIONAL([ENABLE_JAVA_AGENT], AE_IS_FEATURE_ENABLED([java-agent-jul]) || AE_IS_FEATURE_ENABLED([java-agent-log4j]) || AE_IS_FEATURE_ENABLED([java-agent-log4j2]))
 AM_CONDITIONAL([ENABLE_JAVA_AGENT_WITH_JUL], AE_IS_FEATURE_ENABLED([java-agent-jul]))
 AM_CONDITIONAL([ENABLE_JAVA_AGENT_WITH_LOG4J], AE_IS_FEATURE_ENABLED([java-agent-log4j]))
+AM_CONDITIONAL([ENABLE_JAVA_AGENT_WITH_LOG4J2], AE_IS_FEATURE_ENABLED([java-agent-log4j2]))
+AM_CONDITIONAL([ENABLE_JAVA_AGENT_WITH_LOG4J_COMMON], AE_IS_FEATURE_ENABLED([java-agent-log4j]) || AE_IS_FEATURE_ENABLED([java-agent-log4j2]))
 AM_CONDITIONAL([ENABLE_JNI_INTERFACE], AE_IS_FEATURE_ENABLED([jni-interface]))
 AM_CONDITIONAL([ENABLE_MAN_PAGES], AE_IS_FEATURE_ENABLED([man-pages]))
 AM_CONDITIONAL([ENABLE_NUMA], AE_IS_FEATURE_ENABLED([numa]))
@@ -592,6 +616,7 @@ AC_CONFIG_FILES([
   src/lib/lttng-ust-java-agent/java/lttng-ust-agent-common/Makefile
   src/lib/lttng-ust-java-agent/java/lttng-ust-agent-jul/Makefile
   src/lib/lttng-ust-java-agent/java/lttng-ust-agent-log4j/Makefile
+  src/lib/lttng-ust-java-agent/java/lttng-ust-agent-log4j2/Makefile
   src/lib/lttng-ust-java-agent/java/Makefile
   src/lib/lttng-ust-java-agent/jni/common/Makefile
   src/lib/lttng-ust-java-agent/jni/jul/Makefile
@@ -690,7 +715,10 @@ AE_IS_FEATURE_ENABLED([java-agent-jul]) && value=1 || value=0
 PPRINT_PROP_BOOL_CUSTOM([Java agent (JUL support)], $value, [use --enable-java-agent-jul])
 
 AE_IS_FEATURE_ENABLED([java-agent-log4j]) && value=1 || value=0
-PPRINT_PROP_BOOL_CUSTOM([Java agent (Log4j support)], $value, [use --enable-java-agent-log4j])
+PPRINT_PROP_BOOL_CUSTOM([Java agent (Log4j 1.x support (deprecated))], $value, [use --enable-java-agent-log4j])
+
+AE_IS_FEATURE_ENABLED([java-agent-log4j2]) && value=1 || value=0
+PPRINT_PROP_BOOL_CUSTOM([Java agent (Log4j 2.x support)], $value, [use --enable-java-agent-log4j2])
 
 AE_IS_FEATURE_ENABLED([jni-interface]) && value=1 || value=0
 PPRINT_PROP_BOOL_CUSTOM([JNI interface (JNI)], $value, [use --enable-jni-interface])