scripts/gen_build_files.sh

   1 #!/bin/sh
   2
   3 test $# -ge 2 || exit 1
   4
   5 # cd to objtree
   6 cd "$2" || exit 1
   7
   8 srctree="$1"
   9
  10 find -type d \
  11 | while read; do
  12     d="$REPLY"
  13
  14     src="$srctree/$d/Kbuild.src"
  15     dst="$d/Kbuild"
  16     if test -f "$src"; then
  17         echo "  CHK     $dst"
  18
  19         s=`grep -h '^//kbuild:' "$srctree/$d"/*.c | sed 's^//kbuild:^^'`
  20         while read; do
  21             test x"$REPLY" = x"INSERT" && REPLY="$s"
  22             printf "%s\n" "$REPLY"
  23         done <"$src" >"$dst.$$.tmp"
  24
  25         if test -f "$dst" && cmp -s "$dst.$$.tmp" "$dst"; then
  26             rm "$dst.$$.tmp"
  27         else
  28             echo "  GEN     $dst"
  29             mv "$dst.$$.tmp" "$dst"
  30         fi
  31     fi
  32
  33     src="$srctree/$d/Config.src"
  34     dst="$d/Config.in"
  35     if test -f "$src"; then
  36         echo "  CHK     $dst"
  37
  38         s=`grep -h '^//config:' "$srctree/$d"/*.c | sed 's^//config:^^'`
  39         while read; do
  40             test x"$REPLY" = x"INSERT" && REPLY="$s"
  41             printf "%s\n" "$REPLY"
  42         done <"$src" >"$dst.$$.tmp"
  43
  44         if test -f "$dst" && cmp -s "$dst.$$.tmp" "$dst"; then
  45             rm "$dst.$$.tmp"
  46         else
  47             echo "  GEN     $dst"
  48             mv "$dst.$$.tmp" "$dst"
  49         fi
  50     fi
  51
  52 done
  53
  54 # Last read failed. This is normal. Don't exit with its error code:
  55 exit 0