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fix warning
[sliver-openvswitch.git]
/
INSTALL
diff --git
a/INSTALL
b/INSTALL
index
0ff237c
..
4c54b59
100644
(file)
--- a/
INSTALL
+++ b/
INSTALL
@@
-18,8
+18,13
@@
you will need the following software:
- GNU make.
- GNU make.
- - The GNU C compiler. We generally test with version 4.1, 4.2, or
- 4.3.
+ - A C compiler, such as:
+
+ * GCC 4.x.
+
+ * Clang. Clang 3.4 and later provide useful static semantic
+ analysis and thread-safety checks. For Ubuntu, there are
+ nightly built packages available on clang's website.
- libssl, from OpenSSL, is optional but recommended if you plan to
connect the Open vSwitch to an OpenFlow controller. libssl is
- libssl, from OpenSSL, is optional but recommended if you plan to
connect the Open vSwitch to an OpenFlow controller. libssl is
@@
-107,6
+112,10
@@
installing the following to obtain better warnings:
- GNU make.
- GNU make.
+ - clang, version 3.4 or later
+
+Also, you may find the ovs-dev script found in utilities/ovs-dev.py useful.
+
Installation Requirements
-------------------------
Installation Requirements
-------------------------
@@
-171,6
+180,10
@@
Prerequisites section, follow the procedure below to build.
% ./configure CC=gcc-4.2
% ./configure CC=gcc-4.2
+ To use 'clang' compiler:
+
+ % ./configure CC=clang
+
To build the Linux kernel module, so that you can run the
kernel-based switch, pass the location of the kernel build
directory on --with-linux. For example, to build for a running
To build the Linux kernel module, so that you can run the
kernel-based switch, pass the location of the kernel build
directory on --with-linux. For example, to build for a running