Using -Oline -j 96 W=1 redirect to /tmp/tmp.f9ZeZxb3dS and /tmp/tmp.LDLRoU4afw
LLVM=1 cc="ccache clang"
clang version 21.1.6 (Fedora 21.1.6-1.fc43)
Tree base:
b81c8520e6ad ("netfilter: Modify nf_flow_skb_encap_protocol() to return int intead of bool")
Skip baseline build, not the first patch and no Kconfig updates
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  net/ipv6/ip6_tunnel.o
  CC [M]  net/netfilter/nf_flow_table_ip.o
  LD [M]  net/netfilter/nf_flow_table.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#563)
  LD [M]  net/netfilter/nf_flow_table.ko
  LD [M]  net/ipv6/ip6_tunnel.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-0/build_clang'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-0/build_clang'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  net/netfilter/nf_flow_table_ip.o
  LD [M]  net/netfilter/nf_flow_table.o
  CC [M]  net/ipv6/ip6_tunnel.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#563)
  CC [M]  net/netfilter/nf_flow_table.mod.o
  LD [M]  net/netfilter/nf_flow_table.ko
  CC [M]  net/ipv6/ip6_tunnel.mod.o
  LD [M]  net/ipv6/ip6_tunnel.ko