sources/functions.sh

   1 # Lots of reusable functions.  This file is sourced, not run.
   2
   3 # libraries are configured with --prefix=/usr to run on
   4 # the final system but they are then installed with
   5 # make DESTDIR="..." install or similar to temporary
   6 # staging directory where other libs can be cross compiled
   7 # against them.
   8 #
   9 # This doesn't work because libtool will hardwire paths
  10 # to /usr/lib in it's *.la files and this leds the cross
  11 # compiler to link against libraries from the host system
  12 # which of course doesn't work.
  13 #
  14 # We therefore prefix every path in the *.la files with our
  15 # temporary staging dir.
  16 #
  17 # This was mostly taken from OpenWRT's autotools.mk
  18
  19 function libtool_fixup_libdir() {
  20   cd "$STAGING_DIR/usr/lib"
  21   find . -name $1\*.la -o -name lib$1\*.la -o -path ./$1/\*.la | xargs \
  22     sed -i "s,\(^libdir='\| \|-L\|^dependency_libs='\)/usr/lib,\1$STAGING_DIR/usr/lib,g"
  23   cd - > /dev/null
  24 }
  25
  26 # In theory this should be controllable with the $PKG_CONFIG_SYSROOT_DIR
  27 # environment variable but this feature was introduced in pkg-config 0.23
  28 # and Debian unstable still ships with 0.22 so we hardwire the paths.
  29
  30 function pkgconfig_fixup_prefix() {
  31   find "$STAGING_DIR/usr/lib/pkgconfig" -name $1\*.pc | xargs \
  32     sed -i "s,^prefix=.*$,prefix=$STAGING_DIR/usr,g"
  33 }
  34
  35 function install_shared_library() {
  36   cp -P $STAGING_DIR/usr/lib/lib$1*.so* $ROOT_DIR/usr/lib || dienow
  37   if [ -d "$STAGING_DIR/usr/lib/$1" ]
  38   then
  39     cd $STAGING_DIR/usr/lib
  40     find $1 -name '*.so' | xargs tar -cf - | tar -xf - -C $ROOT_DIR/usr/lib
  41     cd - > /dev/null
  42   fi
  43 }
  44
  45 function create_rootfs_tarball()
  46 {
  47   echo -n creating rootfs.tar.gz
  48   { tar -C "$ROOT_DIR" -czvf rootfs.tar.gz . || dienow
  49   } | dotprogress
  50 }
  51
  52 # Try to download a given revision from a svn repository
  53
  54 function download_svn()
  55 {
  56
  57   # In a first step get a tarball filename for the requested revison
  58
  59   [ -z "$SVN_REV" ] && SVN_REV="HEAD"
  60
  61   PACKAGE=`echo "$URL" | sed 's .*/  '`
  62   DIRNAME=$PACKAGE-r$SVN_REV
  63   FILENAME=$PACKAGE-r$SVN_REV.tar.bz2
  64
  65   # Update timestamp so cleanup_oldfiles doesn't delete it
  66   touch -c "$SRCDIR/$FILENAME" 2>/dev/null
  67
  68   # Return success if we have a valid copy of the file
  69   try_checksum && return 0
  70
  71   echo Checking out $PACKAGE revision $SVN_REV from svn repository
  72   # Checkout files from source repository if no revison was
  73   # requested find out which revison current HEAD is and
  74   # package everything into a tarball.
  75   svn co --non-interactive -r$SVN_REV "$URL" "$SRCDIR/$PACKAGE" | dotprogress || return 1
  76
  77   if [ "x$SVN_REV" = "xHEAD" ]; then
  78     cd "$SRCDIR/$PACKAGE" &&
  79     DIRNAME="$PACKAGE-r$(svn info | grep Revision: | sed 's/Revision: //')" &&
  80     cd - 1> /dev/null
  81   fi
  82
  83   mv "$SRCDIR/$PACKAGE" "$SRCDIR/$DIRNAME" &&
  84   find "$SRCDIR/$DIRNAME" -name .svn | xargs rm -rf &&
  85   tar -C "$SRCDIR" -cjf "$SRCDIR/$DIRNAME.tar.bz2" "$DIRNAME" &&
  86   rm -rf "$SRCDIR/$DIRNAME" && return 0
  87
  88   return 1
  89 }
  90
  91 # Note that this sources the file, rather than calling it as a separate
  92 # process.  That way it can set environment variables if it wants to.
  93
  94 function build_package()
  95 {
  96   [ ! -f "$SOURCES"/sections/"$1".sh ] && echo "Unknown package: $1" && exit 1
  97   . "$SOURCES"/sections/"$1".sh
  98 }