scripts/gen_build_files.sh

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