extra/scripts/cppcheck.sh

   1 #! /bin/sh
   2
   3 # usage:
   4 #
   5 # make \
   6 #       REAL_CC=gcc-mine \
   7 #       CC=extra/scripts/cppcheck.sh \
   8 #       CPPCHECK_FLAGS="--enable=style,performance,portability,information,missingInclude --max-configs=256 -j $(($(getconf _NPROCESSORS_ONLN)-1))" \
   9 #       CPPCHECK_LIMIT="yes"
  10
  11 # CPPCHECK_FLAGS are optional and are not set per default.
  12 # CPPCHECK_LIMIT limits cppcheck to the -D and -U that would be passed to CC.
  13 # Setting CPPCHECK_LIMIT greatly improves the check-time but obviously
  14 # just checks a small subset of the defines found in a file.
  15
  16 : ${REAL_CC:=gcc}
  17 ${REAL_CC} $@
  18 args=""
  19 limits=""
  20 next_arg=0
  21 next_limit=0
  22
  23 for i in $@
  24 do
  25   if [ $next_arg -eq 1 ] ; then
  26         next_arg=0
  27         case "/$i" in
  28         /-*) exit 0 ;;
  29         esac
  30     [ "x$args" = "x" ] && args="$i" || args="$args $i"
  31         continue
  32   fi
  33   if [ $next_limit -eq 1 ] ; then
  34         next_limit=0
  35     [ "x$limits" = "x" ] && limits="$i" || limits="$limits $i"
  36         continue
  37   fi
  38   case "/$i" in
  39   /-c) next_arg=1 ;;
  40   /-isystem)
  41                 next_arg=1;
  42                 [ "x$args" = "x" ] && args="-I" || args="$args -I" ;;
  43   /-I)
  44                 next_arg=1;
  45                 [ "x$args" = "x" ] && args="$i" || args="$args $i" ;;
  46   /-I*) [ "x$args" = "x" ] && args="$i" || args="$args $i" ;;
  47   /-D|/-U)
  48                 next_limit=1;
  49                 [ "x$limit" = "x" ] && limit="$i" || limit="$limit $i" ;;
  50   /-D*) [ "x$limits" = "x" ] && limits="$i" || limits="$limits $i" ;;
  51   /-s|/-S|/-dump*|/--print*|/-print*) exit 0 ;;
  52   *) ;;
  53   esac
  54 done
  55 [ -z "${CPPCHECK_LIMIT}" ] && limits=""
  56 [ -z "${args}" ] || exec cppcheck ${CPPCHECK_FLAGS} ${args} ${limits}