Update README to use autogen.sh on build from the source repository

* README.md (Installation and Portability): Replace autoreconf (and
automake) invocation with autogen.sh one; pass -j option to make.

diff --git a/README.md b/README.md
index 64198e98a092f765320763321f538b79685498f1..6a3b2d70bd0141282ef3c9ec97f1d7c398a94bb2 100644 (file)
--- a/README.md
+++ b/README.md
@@ -182,15 +182,14 @@ libatomic_ops source repository as well) could look like:
     git clone git://github.com/ivmai/bdwgc.git
     cd bdwgc
     git clone git://github.com/ivmai/libatomic_ops.git
-    autoreconf -vif
-    automake --add-missing
+    ./autogen.sh
     ./configure
-    make
+    make -j
     make check
 
 If you are getting "syntax error near unexpected token ATOMIC_OPS" during
 configure execution, this means pkg.m4 cannot be found, most probably
-you should run `pkg-config` once before autoreconf.
+you should run `pkg-config` once before running `./autogen.sh` (autoreconf).
 
 Below we focus on the collector build using classic makefile.
 For the Makefile.direct-based process, typing `make test` instead of `make`