[ovs-dev] Is sparse checker working?

Ben Pfaff blp at ovn.org
Tue Jan 19 17:31:23 UTC 2016


On Tue, Jan 19, 2016 at 09:26:18AM -0800, William Tu wrote:
> I've installed sparse and cgcc and were playing with this tools. However,
> I'm not sure whether it's working in current version of OVS.
> 
> The acinclude.m4 indeed sets the SPARSE related flags. After I do
> "./configure", the Makefile shows:
> CC = $(if $(C),env REAL_CC="gcc" CHECK="$(SPARSE) -I
> $(top_srcdir)/include/sparse $(SPARSEFLAGS) $(SPARSE_EXTRA_INCLUDES) " cgcc
> $(CGCCFLAGS),gcc)
> 
> Where in my case it's always "CC=gcc" and in OVS_ENABLE_SPARSE, I couldn't
> find where is this "if $(C)" might be true.

If you want to use sparse, add C=1 to the "make" command line (see
INSTALL.md).



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