Require C++11 for building probe providers with C++ compiler

[lttng-ust.git] / README.md

diff --git a/README.md b/README.md
index 72594da2a7e18edf894a16185eabdcef1e6cba37..51ca20b8e6375729ba707be118781901dc9647e6 100644 (file)
--- a/README.md
+++ b/README.md
@@ -11,8 +11,8 @@ user space tracing helpers for any application.
 Prerequisites
 -------------
 
-LTTng-UST depends on [liburcu](http://liburcu.org/) v0.7.2 at build and
-run times.
+LTTng-UST depends on **[liburcu](http://liburcu.org/) >= 0.12** at build and
+run times. It also optionally depends on libnuma.
 
 
 Building
@@ -189,7 +189,7 @@ human-readable text log.
 
 Since LTTng-UST 2.3, both tracepoints and tracepoint providers can be
 compiled in C++. To compile tracepoint probes in C++, you need
-G++ >= 4.7 or Clang.
+G++ >= 4.7 or Clang. The C++ compilers need to support C++11.
 
 
 Contact
@@ -225,16 +225,18 @@ This package contains the following elements:
     It _has_ to be preloaded in order to hijack calls. In contrast,
     `liblttng-ust` may be linked at build time.
   - `liblttng-ust-java`: a simple library that uses JNI to allow tracing
-    in Java programs.
+    in Java programs. (Configure with `--enable-jni-interface`).
   - `liblttng-ust-java-agent`: a package that includes a JNI library and a
     JAR library to provide an LTTng-UST logging back-end for Java
-    applications using Java Util Logging or Log4j.
+    applications using Java Util Logging or Log4j. (Configure with
+    `--enable-java-agent-jul` or `--enable-java-agent-log4j` or
+    `--enable-java-agent-all`).
   - `liblttng-ust-libc-wrapper`: an example library that can be
     preloaded to instrument some calls to libc (currently `malloc()` and
     `free()`) and to POSIX threads (mutexes currently instrumented) in
     any program without need to recompile it.
   - `liblttng-ust-python-agent`: a library used by python-lttngust to allow
-    tracing in Python applications.
+    tracing in Python applications. (Configure with `--enable-python-agent`)
   - `libringbuffer`: the ring buffer implementation used within LTTng-UST.
   - `python-lttngust`: a package to provide an LTTng-UST logging back-end
     for Python applications using the standard logging framework.