mkdir -p datapath/linux-2.6
: > datapath/linux-2.6/kcompat.h.new
+ OVS_GREP_IFELSE([$KSRC26/arch/x86/include/asm/checksum_32.h], [src_err,],
+ [OVS_DEFINE([HAVE_CSUM_COPY_DBG])])
+
OVS_GREP_IFELSE([$KSRC26/include/linux/err.h], [ERR_CAST],
[OVS_DEFINE([HAVE_ERR_CAST])])