vppinfra: don't fail if config.h is missing, fallback to defaults instead

Type: improvement
Change-Id: Idc82d40a16cbc8a401a8fb359bc63083f47361b9
Signed-off-by: Damjan Marion <damarion@cisco.com>

extras/scripts/build_static_vppctl.sh

@@ -1,16 +1,12 @@
 #/bin/env bash
 
 src=$(realpath $(dirname $0)/../..)/src
-tmp=$(mktemp -d)
-mkdir ${tmp}/vppinfra
-touch ${tmp}/vppinfra/config.h
 
 ${CC:-cc} \
  -O2 \
  -flto \
  -static \
  -I ${src} \
- -I ${tmp} \
  ${src}/vppinfra/backtrace.c \
  ${src}/vppinfra/dlmalloc.c \
  ${src}/vppinfra/elf.c \
@@ -29,6 +25,3 @@ ${CC:-cc} \
  ${src}/vppinfra/linux/mem.c \
  ${src}/vpp/app/vppctl.c \
  -o vppctl
-
-rm ${tmp}/vppinfra/config.h
-rmdir ${tmp}/vppinfra ${tmp}