X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=README;h=a2ff00bc9d045e45d2651d844c3635f1a481c7b3;hb=3327ac33b865cf2ee76934ded1c4b3b177edc3b9;hp=4b3053c84d523eaa5b45eca2941d8f7e8206b239;hpb=a106a9f8513054954003122126a8b33b56de4bd8;p=lttng-ust.git

diff --git a/README b/README
index 4b3053c8..a2ff00bc 100644
--- a/README
+++ b/README
@@ -52,6 +52,11 @@ INSTALLATION INSTRUCTIONS:
   If compiling from the git repository, run ./bootstrap before running
   the configure script, to generate it.
 
+  Note that configure sets '/usr/local' as the default prefix for files it
+  installs. However, this path is not part of most distributions' default
+  library path which will cause builds depending on liblttng-ust to fail unless
+  '-L/usr/local/lib' is added to LDFLAGS. You may provide a custom prefix to
+  configure by using the --prefix switch.
 
 USAGE:
 
@@ -105,9 +110,9 @@ USAGE:
     object.
   - Enable instrumentation and control tracing with the "lttng" command
     from lttng-tools. See lttng-tools doc/quickstart.txt.
-  - Note for C++ support: although an application instrumented with
-    tracepoints can be compiled with g++, tracepoint probes should be
-    compiled with gcc (only tested with gcc so far).
+  - Note for C++ support: since LTTng-UST 2.3, both tracepoints and
+    tracepoint probes can be compiled in C++. To compile tracepoint probes
+    in C++, you need g++ >= 4.7 or Clang.
 
 
 ENVIRONMENT VARIABLES: