X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=README;h=e449576accb764f8b5f6f5e0992aaba9b200c404;hb=08a60a012674b9a5a136d96bed1b115c765b6236;hp=4b3053c84d523eaa5b45eca2941d8f7e8206b239;hpb=a106a9f8513054954003122126a8b33b56de4bd8;p=lttng-ust.git diff --git a/README b/README index 4b3053c8..e449576a 100644 --- a/README +++ b/README @@ -21,7 +21,7 @@ PREREQUISITES: * Website: http://lttng.org/urcu * Releases: http://lttng.org/files/urcu * GitWeb: http://lttng.org/cgi-bin/gitweb.cgi?p=userspace-rcu.git;a=summary - * Git: git://lttng.org/userspace-rcu.git + * Git: git://git.urcu.so/userspace-rcu.git For developers using the git tree: @@ -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: