extra/scripts/install_headers.sh

   1 #!/bin/sh
   2 # Parameters:
   3 # $1 = source dir
   4 # $2 = dst dir
   5 # $top_builddir = well you guessed it
   6
   7 srcdir=${1:-include}
   8 dstdir=${2:-`. ./.config 2>/dev/null && echo ${DEVEL_PREFIX}/include`}
   9 : ${top_builddir:=.}
  10
  11 die_if_not_dir()
  12 {
  13         for dir in "$@"; do
  14                 test -d "$dir" && continue
  15                 echo "Error: '$dir' is not a directory"
  16                 exit 1
  17         done
  18 }
  19
  20
  21 # Ensure that created dirs/files have 755/644 perms
  22 umask 022
  23
  24
  25 # Sanity tests
  26 die_if_not_dir "${srcdir}"
  27 mkdir -p "${dstdir}" 2>/dev/null
  28 die_if_not_dir "${dstdir}"
  29 die_if_not_dir "$top_builddir"
  30 if ! test -x "$top_builddir/extra/scripts/unifdef"; then
  31         echo "Error: need '$top_builddir/extra/scripts/unifdef' executable"
  32         exit 1
  33 fi
  34
  35 # Sanitize and copy uclibc headers
  36 (
  37 # We must cd, or else we will prepend "${srcdir}" to filenames!
  38 cd "${srcdir}" || exit 1
  39 find . ! -name '.' -a ! -path '*/.*' | sed -e 's/^\.\///' -e '/^config\//d' \
  40         -e '/^config$/d'
  41 ) | \
  42 (
  43 IFS=''
  44 while read -r filename; do
  45         if test -d "${srcdir}/$filename"; then
  46                 mkdir -p "${dstdir}/$filename" 2>/dev/null
  47                 continue
  48         fi
  49         if test x"${filename##libc-*.h}" = x""; then
  50                 # Do not install libc-XXXX.h files
  51                 continue
  52         fi
  53         # Do not abort the script if unifdef "fails"!
  54         # NB2: careful with sed command arguments, they contain tab character
  55         "$top_builddir/extra/scripts/unifdef" \
  56                 -B \
  57                 -t \
  58                 -x 2 \
  59                 -f "$top_builddir/include/generated/unifdef_config.h" \
  60                 -U_LIBC \
  61                 -U__UCLIBC_GEN_LOCALE \
  62                 -U__NO_CTYPE \
  63                 "${srcdir}/$filename" \
  64         | sed -e '/^rtld_hidden_proto[  ]*([a-zA-Z0-9_]*)$/d' \
  65         | sed -e '/^lib\(c\|m\|resolv\|dl\|intl\|rt\|nsl\|util\|crypt\|pthread\)_hidden_proto[  ]*([a-zA-Z0-9_]*)$/d' \
  66         > "${dstdir}/$filename"
  67 done
  68 )
  69
  70
  71 # Fix mode/owner bits
  72 cd "${dstdir}" || exit 1
  73 chmod -R u=rwX,go=rX . >/dev/null 2>&1
  74 chown -R `id | sed 's/^uid=\([0-9]*\).*gid=\([0-9]*\).*$/\1:\2/'` . >/dev/null 2>&1
  75
  76 # ignore errors on unrelated files
  77 exit 0